23rd Symposium on Boundary Layers and Turbulence/21st Conference on Air-Sea Interaction

Joint Session 1

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Hosts: (Joint between the 23rd Symposium on Boundary Layers and Turbulence; and the 21st Conference on Air-Sea Interaction )

Cochairs: Jeffrey D. Mirocha, LLNL; Henry Potter, Texas A&M University

8:45 AM

Welcoming Remarks

8:50 AM

J1.1

Advances in the Measurement of Air-Sea Fluxes for Marine Boundary Layer Research

James B Edson, WHOI, Woods Hole, MA

Audio File
Recorded Presentation

9:40 AM

J1.2

Process Coupling Across Scales in the Marine Boundary Layers: Recent Results from Large-Eddy Simulations

Peter P. Sullivan, NCAR, Boulder, CO

Session 1

Sea Surface Processes

Location: Meeting Room 19-20 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

Cochairs: Henry Potter, Texas A&M University; David H. Richter, Univ. of Notre Dame

11:00 AM

1.1

Measurements of the Upper Surface Current Profile

Jochen Horstmann, Institute of Coastal Research, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany; and R. Carrasco, M. Stresser, and M. P. Buckley

11:15 AM

1.3

Spectral Characteristics of Gravity-Capillary Waves, With Connections to Wave Growth and Microbreaking

Nathan J. M. Laxague, Columbia Univ., Palisades, NY; and C. J. Zappa, D. A. LeBel, and M. L. Banner

Audio File
Recorded Presentation

11:30 AM

1.4

On the Possibility of Vertical Flux of Sea Spray Spume

Xueling Cheng, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; and L. Wu, Q. Zeng, and J. Jin

Audio File
Recorded Presentation

11:45 AM

Paper 1.2 has been moved to Paper 7.6A.

Session 1A

Boundary Layer Parameterizations in Models at All Scales I

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Albert A.M. Holtslag, Wageningen Univ.

11:00 AM

1A.1

Parametrization of Planetary Boundary Layer Height with Helicity and Application in Tropical Cyclone Simulation

Leiming Ma, Shanghai Typhoon Institute, Shanghai, China

Audio File
Recorded Presentation

11:15 AM

1A.2

The Planetary Boundary Layer Height Variability over the Arabian Peninsula

Hari Prasad Dasari, King Abdullah Univ. of Science and Technology (KAUST), Thuwal, Saudi Arabia; and S. Desamsetti, P. Srivastava, Y. Viswanadhapalli, S. Langodan, R. Attada, R. K. Kunchala, and I. Hoteit

Recorded Presentation

11:30 AM

1A.3

Plume Dispersion Parameterization over Hypothetical Urban Areas

Chun-Ho Liu, Univ. of Hong Kong, Hong Kong, Hong Kong; and Z. Wu and Z. Mo

Recorded Presentation

11:45 AM

1A.4

A Semi-Analytical Model for Short Range Near Ground Dispersion

Ehud Gavze, Hebrew Univ. of Jerusalem, Jerusalem, Israel; and E. Fattal

Recorded Presentation

12:00 PM

1A.5

Appropriate Boundary Conditions and Near-Wall Treatment in Stratified Atmospherics Boundary Layer Using the Explicit Algebraic Reynolds-Stress Model

Velibor Želi, KTH Royal Institute of Technology, Stockholm, Sweden; and G. Brethouwer, S. Wallin, and A. V. Johansson

Recorded Presentation

12:15 PM

1A.6

Using a Canopy Model Framework to Improve Large-Eddy Simulations of the Atmospheric Boundary Layer in the Weather Research and Forecasting Model

Robert S. Arthur, LLNL, Livermore, CA; and J. D. Mirocha and K. A. Lundquist

Recorded Presentation

Session 1B

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies I

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Dan Li, Princeton Univ.

11:00 AM

1B.1

An Integrated Analysis of Stationarity within Time Series

Ying Pan, Pennsylvania State Univ., Univ. Park, PA; and E. G. Patton

Audio File
Recorded Presentation

11:15 AM

1B.2

Application of an Ideal-Like Recursive Filter with Cut-Off Frequencies Estimated by means of Anisotropy Analysis of Turbulence

Marco Falocchi, Univeristy of Trento, Trento, Italy; and L. Giovannini, M. de Franceschi, and D. Zardi

Recorded Presentation
Audio File

11:30 AM

1B.3

Turbulence Structure and Mixing in Strongly Stable Boundary-Layer Flows over Thermally Heterogeneous Surfaces

Dmitrii Mironov, German Weather Service, Offenbach am Main, Germany; and P. P. Sullivan

Audio File
Recorded Presentation Manuscript (191.5 kB)

11:45 AM

1B.4

The Effects of Horizontal Heterogeneity on the Dynamics of the Nocturnal Boundary Layer across Scales

Jeremy A. Gibbs, Univ. of Utah, Salt Lake City, UT; and R. Stoll, P. He, G. Q. Torkelson, and T. Harman

Audio File
Recorded Presentation

12:00 PM

1B.5

A Reduced TKE Phase Space for Studying Disturbed Atmospheric Surface Layer Flows: Application to Vertical Velocity Variance over a Forest Canopy

Marcelo Chamecki, Univ. of California, Los Angeles, CA; and N. L. Dias and L. S. Freire

Recorded Presentation
Audio File

1B.6

A Comparison of Near-Surface Potential Temperature Variance Budgets for Unstable Atmospheric Flows over Vegetated and Non-Vegetated Flat Surfaces and a Gentle Slope

Session 2

Sea Surface Processes II

Location: Meeting Room 19-20 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

Cochairs: Henry Potter, Texas A&M University; David H. Richter, Univ. of Notre Dame

1:30 PM

2.1

Feedback of Sea-spray on Air-Sea Heat Fluxes and the Influence of Droplet Lifetime

Tianze Peng, Univ. of Notre Dame, Notre Dame, IN; and D. H. Richter

Audio File
Recorded Presentation

1:45 PM

2.2

An Eulerian-Lagrangian Model to Simulate Sea Spray Transport in the Marine Atmospheric Boundary Layer

Hyungwon John Park, Univ. of Notre Dame, Notre Dame, IN; and I. D. Nissanka and D. H. Richter

Recorded Presentation

2:00 PM

2.3

Turbulent Fluxes and Inertial Effects of Spray and Aerosols in the Marine Boundary Layer

David H. Richter, Univ. of Notre Dame, South Bend, IN; and M. Chamecki

Audio File
Recorded Presentation

2:15 PM

2.4

Three-Way Coupling of Surface Currents, Waves, and Wind Stress Over the Gulf Stream

Qi Shi, Florida State Universtiy, Tallahassee, FL; and M. A. Bourassa

Audio File
Recorded Presentation

2:30 PM

2.5

Sea Spray and Air-Sea Fluxes: Key Elements in Earth System Modeling of Weather and Climate

Shuyi Chen, Univ. of Washington, Seattle, WA; and B. Barr and M. Curcic

Audio File
Recorded Presentation

2:45 PM

2.6

Measurements of Turbulent Stress in Curvilinear Coordinates over Wind-driven Surface Waves

Kianoosh Yousefi, Univ. of Delaware, Newark, DE; and F. Veron, M. P. Buckley, N. Husain, and T. Hara

Recorded Presentation

Session 2A

Boundary Layer Parameterizations in Models at All Scales II

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Evgeni Fedorovich, Univ. of Oklahoma

1:30 PM

2A.1

Development of an Analytical Profile for Vertical Concentration of Sea Spray Aerosols in the Marine Atmospheric Boundary Layer

Indrajith D. Nissanka, Univ. of Notre Dame, Notre Dame, IN; and H. J. Park, L. S. Freire, M. Chamecki, and D. H. Richter

Recorded Presentation

1:45 PM

2A.2

Aerodynamic Resistance over Canopies: Linking Eddies and Heterogeneities Using a Structure Function Approach

Konstantin Kröniger, Karlsruhe Institute of Technology (KIT), Garmisch-Partenkirchen, Germany; and G. G. Katul, F. De Roo, P. Brugger, and M. Mauder

Recorded Presentation

Handout (1.6 MB)

2:00 PM

2A.3

Moisture Statistics in Free Convective Boundary Layers

Juan Pedro Mellado, Max Planck Institute for Meteorology, Hamburg, Germany; and M. Puche and C. C. Van Heerwaarden

Recorded Presentation

2:15 PM

2A.4

The Impact of a Simple Physically-Based Stochastic Boundary Layer Scheme on the Initiation and Development of Convection in Convection-Permitting Versions of the Met Office Unified Model.

Carol E. Halliwell, Met Office, Reading, U.K.; and P. Clark

Recorded Presentation

2:30 PM

2A.5

Wind-shear Effects on Entrainment in a Convective Boundary Layer

Armin haghshenas, Max Plank Institute for Meteorology, Hamburg, Germany; and J. P. Mellado

Recorded Presentation

2:45 PM

2A.6

Characterizing Intermittency in the Stable Arctic Atmospheric Boundary Layer

Mohammad Allouche, Princeton Univ., Princeton, NJ; and E. Bou-Zeid, J. D. Fuentes, M. Chamecki, S. Thanekar, and C. Ansorge

Recorded Presentation

Session 2B

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies II

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Rob Stoll, Univ. of Utah

2B.1

Large Turbulent Eddies and Turbulent Flux Exchange Processes over Heterogeneous Landscapes

2B.2

Edge Effects and Energy Balance Closure from High-Resolution Large-Eddy Simulation for the LITFASS-2003 Campaign

2:00 PM

2B.3

Incorporating Non-Hydrostatic Pressure Work in Thermal Energy Conservation—Implication of Thermal and Kinetic Energy Exchange

Jielun Sun, NCAR, Boulder, CO

Recorded Presentation

2:15 PM

2B.4

Revisiting the Surface Energy Balance

Jielun Sun, NCAR, Boulder, CO; and W. J. Massman and S. P. Burns

Recorded Presentation

2:30 PM

2B.5

Integrating Diel Land-Atmosphere Interactions to Model Carbon Dioxide and Water Vapor Isotopologues

J. Vila-Guerau de Arellano, Wageningen Univ., Wageningen, Netherlands; and H. G. Ouwersloot, I. van der Velde, G. Koren, T. Roeckmann, and J. B. Miller

Recorded Presentation

2:45 PM

2B.6

In-Canopy Differences in Source Distributions Affect the Degree of Segregation between Scalars — a Large Eddy Simulation Study

Arnold F. Moene, Wageningen Univ., Wageningen, Netherlands; and A. Klosterhalfen and M. Bindels

Recorded Presentation

Session 3

Air-Sea Flux Measurements, Datasets, and Applications

Location: Meeting Room 19-20 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

Cochairs: James B Edson, WHOI; Carol Anne Clayson, WHOI

3:30 PM

3.1

Passive Remote Sensing of Oceanic Whitecaps: Algorithm Description

Magdalena D. Anguelova, NRL, Washington, DC; and M. H. Bettenhausen, W. F. Johnston, and P. W. Gaiser

Handout (1.7 MB)

3:45 PM

3.2

Developing a Surface Heat Flux Product for the CYGNSS Satellite Mission

Juan A. Crespo, Univ. of Michigan, Ann Arbor, MI; and D. J. Posselt

Audio File
Recorded Presentation

4:00 PM

3.3

Using NFLUX Analysis Fields for Regional Ocean Surface Bias Corrections

Jackie C. May, NRL, Stennis Space Center, MS; and C. D. Rowley

Audio File
Recorded Presentation

4:15 PM

3.4

Diurnal Variability in Air-Sea Fluxes over Western Boundary Currents

Carol Anne Clayson, WHOI, Woods Hole, MA; and J. B. Edson

Audio File
Recorded Presentation

4:30 PM

3.5

Biases of Five Latent Heat Flux Products and their Impacts on Mixed-Layer Temperature Estimates in the South China Sea

Rongwang Zhang, State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China; and X. Wang, J. Huang, L. Zeng, and F. Huang

Audio File
Recorded Presentation

4:45 PM

Discussion

Session 3A

Boundary Layer Parameterizations in Models at All Scales III

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Nikki Vercauteren, Ecole Polytechnique Fédérale de Lausanne

3:30 PM

3A.1

The Dynamical and Radiative Effects of Shallow Cumulus below, in and Above the Grey Zone

Xabier Pedruzo-Bagazgoitia, Wageningen Univ., Wageningen, Netherlands; and P. A. Jimenez, J. Dudhia, and J. Vilà-Guerau de Arellano

Recorded Presentation

3:45 PM

3A.2

Exploring the Impact of Baroclinicity and Stability on the Atmospheric Boundary Layer

Mostafa Momen, Stanford Univ., Stanford, CA; and E. Bou-Zeid, M. Giometto, and M. B. Parlange

Recorded Presentation

4:00 PM

3A.3

Regime Transitions in the Wintertime Near-Surface Temperature Inversion at Dome C, Antarctica

Peter Baas, Delft Univ. of Technology, Delft, Netherlands; and B. J. H. Van de Wiel, E. Vignon, E. van Meijgaard, S. J. A. van der Linden, S. R. De Roode, and C. Genthon

Recorded Presentation

4:15 PM

3A.4

Second-Moment Turbulence Budgets in the Baroclinic Atmospheric Boundary Layer

Khaled Ghannam, Princeton Univ., Princeton, NJ; and M. Momen and E. Bou-Zeid

Recorded Presentation

4:30 PM

3A.5

GCM-Forced Large Eddy Simulations and Single Column Models: A Numerical Laboratory For Reducing Uncertainties in Climate Predictions

Kyle G. Pressel, California Institute of Technology, Pasadena, CA; and T. Schneider, C. M. Kaul, Z. Tan, Y. Cohen, A. Jaruga, and X. Zhang

4:45 PM

3A.6

Mechanism Affecting the Regime Transition in the Stable Boundary Layer: A Single Column Model Study

Felipe D. Costa, Universidade Federal do Pampa, Alegrete, Brazil; and O. C. Acevedo, R. Maroneze, L. E. Medeiros, and F. S. Puhales

Session 3B

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies III

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Scott T Salesky, Univ. of Texas at Dallas

3B.1

Reexamining Mountain Pine Beetle (MPB) Influence on Snow Water Availability Utilizing a Multilayer Higher Order Turbulence Closure Plant Canopy Model

3B.2

Towards an Improved Surface Roughness Length Parametrization: Optimising Vegetative Drag in JULES

4:00 PM

3B.3

Turbulence Statistics Within and Above a Nearly Sparse Forest Canopy

Christina Dunker, Scion, Christchurch, New Zealand; and T. Strand and A. Hiscox

Recorded Presentation
Audio File

4:15 PM

3B.4

Analyzing Sweep-Ejection Momentum Transfer in a Forest Canopy

Nicholas James Sokol, Univ. of South Carolina, Columbia, SC; and A. L. Hiscox

Audio File
Recorded Presentation

4:30 PM

3B.5

Large-Eddy Simulations of Turbulent Flow over Vegetated Hills – the Effects of Topography on in-Canopy Residence Times

Bicheng Chen, Univ. of California, Los Angeles, CA; and M. Chamecki and G. G. Katul

Recorded Presentation
Audio File

4:45 PM

3B.6

On the Relationship between Flow over 2d and 3d Forested Hills

Edward G. Patton, NCAR, Boulder, CO; and I. N. Harman, J. J. Finnigan, T. M. Strand, and P. P. Sullivan

Recorded Presentation

Poster Session 1

Posters - ASI

Location: Meeting Rooms 16-18 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

51

The Improvement of Turbulent Heat Flux Parameterization for Use in the Tropical Regions Using Low Wind Speed Excess Resistance Parameter.

Akinnubi Rufus, AER, Ondo, Nigeria

52

Air-Sea Interactions and Boundary Layer Processes in the Hurricane Inner-Core during Intensity Change

Kyle Ahern, Florida State Univ., Tallahassee, FL; and M. A. Bourassa and R. E. Hart

53

Large-Eddy Simulation of a Stratocumulus-Topped Arctic Boundary Layer over Sea Ice

Robert Rauterkus, Univ. of Cologne, Cologne, Germany; and C. Ansorge, Y. Shao, and U. Löhnert

54

Intercomparison of Surface Heat Transfer in the Arctic for Multiple Reanalyses, Satellite Data and Field Observation

Irina Repina, A.M. Obukhov Institute of Atmospheric Science RAS, Moscow, Russia; and A. Artamonov and M. Varentsov

Handout (4.7 MB)

55

Low-Level Jet and Boundary Layer Development during Cold-Air Outbreaks in the Arctic: A Simple Model

Dmitry Chechin, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany; and C. Lüpkes

56

The Behavior of Bubbles Generated by Surface Wave in Very High Wind Conditions

Hanyuan Liu, Univ. of Miami, Miami, FL; and W. M. Drennan

57

Effect of a Sea Spray Layer on Ocean Surface Signal at GPS Frequencies

Magdalena D. Anguelova, NRL, Washington, DC; and M. H. Bettenhausen

Handout (1.9 MB)

58

A Laboratory Study of Whitecap Lifetime

Henry Potter, Texas A&M University, College Station, TX; and G. Smith

59

Analysis of the Atmospheric Flow in a Coastal Area in Northeast Brazil Using in Situ and Ground Base Remote Sensing Wind Data

G. Fisch, Institute of Aeronautics and Space, São José dos Campos, Brazil

60

Mesoscale Imprints of the Kuroshio Extension and Oyashio Fronts on the Wintertime Atmospheric Boundary Layer as Revealed in a New Additional Product of the JRA-55 Reanalysis

Hisashi Nakamura, Univ. of Tokyo, Tokyo, Japan; and R. Masunaga, H. Kamahori, K. Onogi, and S. Okajima

61

Observational Analysis of Extratropical Cyclone Interactions with North Pacific Sea Surface Temperature Anomalies

Briana Phillips, Oregon State Univ., Corvallis, OR; and L. W. O'Neill

62

Temperature Variability over South America and ENSO - 1979 to 2017

Manuscript (1.0 MB)

63

Impact of Ocean Diurnal Warm Layers on the Marine Atmospheric Boundary Layer Processes

Pierre-Etienne BRILOUET, LOPS, CNRS, Plouzane, France; and J. L. Redelsperger, M. N. Bouin, and F. Couvreux

Poster Session 1

Posters - BLT

Location: Meeting Rooms 16-18 (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

1

Influence of Stability on Canopy Flow and Fluxes over Forested Hills Using a Newly Developed Multiple-Layer Canopy Model in WRF-LES

Yulong Ma, Washington State Univ., Pullman, WA; and H. Liu

2

Analyzing the Interactions of Coupled Soil-Atmosphere Simulations on Turbulent Scales

Katrin Scharf, Leibniz Universität, Hannover, Germany; and B. Maronga and S. Raasch

Handout (4.3 MB)

3

Sensitivity Analysis of a Source Partitioning Method for H₂O and CO₂ Fluxes via Large Eddy Simulations

Anne Klosterhalfen, Forschungszentrum Jülich, Juelich, Germany; and A. F. Moene, M. Schmidt, H. Vereecken, and A. Graf

4

Quantifying the Surface Flux Variability Associated with Vegetation Variations Over the SGP site during the HI-SCALE Field Campaign

Koichi Sakaguchi, PNNL, Richland, WA; and L. K. Berg, M. Huang, S. L. Tai, and J. D. Fast

5

Attribution of Local Temperature Response to Deforestation

Weilin Liao, Boston Univ., Boston, MA; and D. Li

6

The Relationship between the Time of the Maximum Surface Temperature and the Time of Inversion of the Energy Fluxes

Daiane de Vargas Brondani, Universidade Federal de Santa Maria, Santa Maria, Brazil; and O. Costa Acevedo and J. Dupont Tatsch

7

Comparative Unsteady Atmospheric Boundary Layer Observations Using Active And Passive Systems

Aavron Estep, Oklahoma State Univ., Stillwater, OK; and N. Foster, D. Johnson, and J. Jacob

8

Dispersive Fluxes and Flow Structure of Thermally Forced Atmospheric Boundary Layer Flows

Marc Calaf, Univ. of Utah, Wind Energy and Turbulence Laboratory, Salt Lake City, UT; and F. Margairaz and E. Pardyjak

9

Evaluation of the Operational HRRR-NCEP for Various Event Types during the Second Wind Forecast Improvement Project (WFIP2)

Aditya Choukulkar, Univ. of Colorado Boulder and NOAA/ESRL/Chemical Sciences Division, Boulder, CO; and T. A. Bonin, L. Bianco, C. N. Long, K. Lantz, R. Banta, J. M. Wilczak, W. A. Brewer, Y. Pichugina, I. V. Djalalova, K. McCaffrey, C. Draxl, L. K. Berg, C. Bonfanti, C. T. Clack, J. B. Olson, J. S. Kenyon, J. Sharp, and M. Marquis

10

Observations of Wind in Early Morning Transitions in Complex Terrain

Geoffrey Donnell, Oklahoma State Univ., Stillwater, OK; and J. Jacob

11

Nature and Characteristics of Weak and Intense Katabatic Flows

Jon A. Arrillaga, UCM, Madrid, Spain; and C. Yagüe, C. Román-Cascón, M. Sastre, J. Vilà-Guerau de Arellano, and G. Maqueda

Handout (2.2 MB)

12

Observations of Thermally-Driven Circulations in the Pyrenees: Detection Methods and Impact on Atmospheric Composition Measured at a Mountain Top

Mélodie Hulin, Laboratoire d'Aérologie, Univ. of Toulouse, CNRS, France, Toulouse, France; and F. Gheusi, M. Lothon, V. Pont, F. Lohou, M. Ramonet, M. Delmotte, S. Derrien, G. Athier, and Y. Meyerfeld

13

Employing Anisotropy to Study Turbulence in Complex Terrain

Ivana Stiperski, Univ. of Innsbruck, Innsbruck, Austria; and M. Calaf and M. W. Rotach

14

A Climatology of Gravity Wave Drag for Lindenberg (Germany)

15

Data Assimilation of Urban Weather Observations in WRF to Model the Urban Climate of Amsterdam.

S. Koopmans, Wageningen Univ., Wageningen, Netherlands; and R. van Haren, G. J. Steeneveld, N. E. Theeuwes, R. J. Ronda, R. Uijlenhoet, and A. A. M. Holtslag

16

Winter and Summer Field Campaings in Hot Spots in Madrid (Spain): Influence of Turbulence on Urban Air Quality

Carlos Yagüe, UCM, Madrid, Spain; and C. Román-Cascón, M. Sastre, G. Maqueda, J. A. Arrillaga, B. Artíñano, E. Díaz-Ramiro, F. J. Gómez-Moreno, M. Barreiro, R. Borge, A. Narros, J. Pérez, and C. Quaassdorff

17

Observation of Urban Atmospheric Boundary Layer Structure with Doppler Lidars

Kohin Hirano, National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan; and M. Nakayoshi, S. I. Suzuki, S. Takano, and D. Oguri

18

Attribution of Heat Wave-Induced Urban Boundary Layer Warming

Liang Wang, Boston Univ., Boston, MA; and D. Li

19

Determination of Surface Layer Parameters at the Edge of a Suburban Area

Tanja Likso, Meteorological and Hydrological Service of Croatia, Zagreb, Croatia; and K. Pandzic

Handout (667.6 kB)

20

Simulation of Local Convective Rainfall over Seoul Metropolitan Area on 16 August 2015 Using a High Resolution Model

Young–Hee Lee, Kyungpook National Univ., Daugue, Korea, Republic of (South); and K. H. Min

21

Environmental Controls on Pyrocumulus Formation Using WRF-FIRE Simulations

Camden T. Plunkett, Univ. of Colorado, Boulder, CO; and J. K. Lundquist, B. Kosovic, D. Muñoz-Esparza, and P. Jimenez

22

Assessing Fire Merging Behavior with Large Eddy Simulations

Stephanie Redfern, Univ. of Colorado, Boulder, CO; and J. K. Lundquist, B. Kosovic, D. Muñoz-Esparza, and P. A. Jimenez

23

Surface Flux Parameterization in Atmospheric Large Eddy Simulation: Necessity to Filter out Turbulent Fluctuations

Junshi Ito, The Univ. of Tokyo, Kashiwa, Japan; and H. Niino and J. Ito

24

On the Computation of Boundary-Layer Height Using a Vriable Critical Bulk Richardson Number

Yuanjie Zhang, Nanjing Univ. of Information Science and Technology, Nanjing, China; and Z. Gao and D. Li

25

Preliminary evaluation of the Simplified Higher Order Closure (SHOC) in the NASA Goddard Earth Observing System (GEOS)

Nathan P. Arnold, GMAO, Greenbelt, MD

26

Developing the MYNN-Eddy Diffusivity/Mass-Flux PBL Scheme to Improve Non-Local Mixing Across the Greyzone

Joseph B. Olson, CIRES, Boulder, CO; and J. Kenyon, W. M. Angevine, G. Grell, J. M. Brown, and K. Suselj

27

Assessmentof PBL Schemes in the Weather Research and Forecasting Model Using Ceilometer Observations in an Urban Region

Israel Lopez-Coto, NIST, Gaithersburg, MD; and M. Hicks, A. Karion, K. Prasad, and J. R. Whetstone

28

Improved Surface Layer Simulation Using Refined Vertical Resolution in the GFDL Atmospheric General Circulation Model

29

A Scale-Adaptive Turbulent Kinetic Energy Closure for the Dry Convective Boundary Layer

Marcin J. Kurowski, AES, Los Angeles, CA; and K. Suselj and J. Teixeira

30

An Eddy-Diffusivity/Mass-Flux Turbulence Parameterization for the Martian Convective Boundary Layer

Marcin Witek, JPL/California Institute of Technology, Pasadena, CA; and M. I. Richardson, C. E. Newman, and N. Heavens

31

Improving Turbulence Parameterization for an Idealized Supercell at Kilometer-Scale Resolution

Shiwei Sun, Nanjing Univ., Nanjing, China; and M. Xue and B. Zhou

Handout (3.0 MB)

32

A Simple Boundary Condition for Model Studies of the Diurnal Cycle and Surface Heterogeneity

J.A. van Hooft, Technische Universiteit, Delft, Netherlands; and B. Van de Wiel

33

Stability Effects on the Evolution of Very Large Scale Motions as the Atmospheric Surface Layer Transitions through Neutral Thermal Stability

Emina Maric, Mechanical Engineering, Salt Lake City, UT; and M. Metzger

34

Comparison and Evaluation of Heat Flux Measurements at the Surface Using an Eddy-Covariance Tower and Small Unmanned Aircraft System

Samantha Baschky, Center for Autonomous Sampling and Sensing (CASS), Norman, OK; and J. B. Basara, N. H. Balderas, and P. B. Chilson

35

Improved Forecasts of Cold Pools in Complex Terrain from WFIP2

Jaymes Kenyon, NOAA/ESRL and CIRES, Univ. of Colorado, Boulder, CO; and J. B. Olson, M. Toy, J. M. Brown, W. M. Angevine, M. Marquis, Y. Pichugina, A. Choukulkar, C. Draxl, T. A. Bonin, R. M. Banta, L. Bianco, I. V. Djalalova, K. McCaffrey, J. M. Wilczak, K. Lantz, C. N. Long, S. Redfern, J. Sharp, J. McCaa, M. T. Stoelinga, E. P. Grimit, and L. K. Berg

Handout (12.8 MB)

36

Comparison of Measured Boundary Layer Heights from a Doppler Lidar and a Radar Wind Profiler during WFIP2

Timothy A. Bonin, NOAA/CIRES, Boulder, CO; and L. Bianco, A. Choukulkar, Y. Pichugina, R. M. Banta, W. A. Brewer, and J. M. Wilczak

37

Utilizing the DOE-ARM Enhanced Soundings for Local Coupling Studies (ESLCS) Campaign to Highlight the Limitations and Importance of PBL Retrieval from Space

Joseph A. Santanello, NASA GSFC, Greenbelt, MD; and A. J. Schaefer, V. Wulfmeyer, D. L. Wu, E. McGrath-Spangler, J. Lewis Jr., and D. N. Whiteman

Handout (40.6 MB)

38

Stable Boundary Layer Characteristics during Morning Transition Observed with a Tethered Lifting System during Perdigão 2017

Andre Kristofer Pattantyus, US Army Research Laboratory, WSMR, NM; and C. M. Hocut and E. D. Creegan

39

Low-Cost Sensor Systems for Atmospheric Boundary Layer and Air-Water Interaction Investigations

Victoria Natalie, Oklahoma State Univ., Stillwater, OK; and S. Azartash-Namin, J. Jacob, M. Guzman, and S. C. C. Bailey

40

Low Altitude UAS Icing Study with Cloud Model 1

Alyssa Avery, Oklahoma State Univ., Stillwater, OK; and L. Bunting and J. Jacob

41

What Are the Differences in Atmospheric Conditions between Nights with and without Low-Level Stratus Clouds over Southern West Africa?

Karmen Babić, Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany; and B. Adler, N. Kalthoff, F. Lohou, M. Lothon, C. Dione, and X. Pedruzo-Bagazgoitia

42

Link between Low Level Clouds and Nocturnal Jet within the West African Monsoon System

Cheikh Dione, Laboratoire d'Aérologie, Univ. of Toulouse, CNRS, Campistrous, France; and F. Lohou, M. Lothon, K. Babić, B. Adler, N. Kalthoff, and X. Pedruzo Bagazgoitia

43

A Two-Energies Turbulence Scheme

Ivan Bastak Duran, Goethe Univ., Frankfurt, Germany; and J. Schmidli

44

Do Wind Turbines Pose Roll Hazards to Light Aircraft?

Jessica M. Tomaszewski, Univ. of Colorado, Boulder, CO; and J. K. Lundquist, M. J. Churchfield, and P. J. Moriarty

Handout (15.7 MB)

45

Development and Qualification of Instrumented Unmanned Planes for Turbulence Observations in the Atmospheric Surface Layer

Sara Alaoui-Sosse, Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), Toulouse, France; and J. Darrozes, P. Durand, M. Gavart, M. Lothon, P. Medina, and P. PASTOR

Manuscript (1.4 MB)

Handout (2.0 MB)

46

Information Obtained from Observable Meteorological State Variables about Transitions in the Stably Stratified Nocturnal Boundary Layer

Carsten Abraham, Univ. of Victoria, Victoria, BC, Canada; and A. H. Monahan

47

A North Sea Climatology of Anomalous Wind Events

Peter Kalverla, Wageningen Univ., Wageningen, Netherlands; and G. J. Steeneveld, R. J. Ronda, and A. A. M. Holtslag

48

Simultaneous Spectral Analysis of Wind Turbine Wakes at the Surface and Aloft in Different Stability Conditions

Patrick D. Murphy, Univ. of Colorado, Boulder, CO; and J. K. Lundquist

49

Three-Dimensional and Scale Dependency Parameterization for the Urban Boundary Layer

Yuhuan Li, China Meteorological Administration, Beijing, China; and B. Zhou and S. Miao

Manuscript (174.3 kB)

50

Key Parameters for the Life Cycle of Nocturnal Radiation Fog: Results from a Comprehensive Large-Eddy Simulation Study

Björn Maronga, Leibniz Univ., Hannover, Germany; and F. C. Bosveld, J. Schwenkel, and D. Mironov

Handout (5.5 MB)

Session 4A

Boundary Layer Parameterizations in Models at All Scales IV

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Branko Kosovic, NCAR

8:00 AM

4A.1

Parameterizing the Vertical Motion of Small Insects in the Convective Boundary Layer

Charlotte E. Wainwright, Univ. of Oklahoma, Norman, OK; and D. R. Reynolds, P. M. Stepanian, and A. Reynolds

Recorded Presentation

8:15 AM

4A.2

Turbulence Spectra in the Stable Atmospheric Boundary Layer

Yu Cheng, Columbia Univ., New York, NY; and Q. Li, S. Argentini, C. Sayde, and P. Gentine

Audio File
Recorded Presentation

Handout (1.5 MB)

8:30 AM

4A.3

Errors in Turbulence Statistics: The Hurst Phenomenon Approach

Bianca L. Crivellaro, Federal Univ. of Parana, Curitiba, Brazil; and N. L. Dias and M. Chamecki

Audio File
Recorded Presentation

Handout (1.2 MB)

8:45 AM

4A.4

The Role of Return-to-Isotropy in Wall-Bounded Flows with Buoyancy

Elie Bou-Zeid, Princeton Univ., Princeton, NJ; and X. Gao, C. Ansorge, and G. G. Katul

Recorded Presentation

9:00 AM

4A.5

Evaluation of an Algebraic Turbulence Closure Scheme for the Simulations of Dry and Moist Atmospheric Boundary Layers

Xiaoming Shi, Univ. of California, Berkeley, Berkeley, CA; and R. M. Enriquez, R. L. Street, F. K. Chow, and G. H. Bryan

Recorded Presentation

9:15 AM

4A.6

Towards a Solution of the Closure Problem for Non-Homogeneous and Anisotropic Turbulence: Non-Gaussian Closures for Convective Atmospheric Boundary Layer Turbulence Based on an Analytically Solvable Multivariate Delta-PDF Model.

Vladimir M. Gryanik, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany; and J. Hartmann

Recorded Presentation

9:30 AM

4A.7

Sensitivity to Turbulent Prandtl Number, Background Diffusivity, and Interaction of TKE with Cumulus Convection in a TKE-Based EDMF Vertical Turbulent Mixing Scheme

Jongil Han, SRG at NCEP/EMC, College Park, MD

Audio File
Recorded Presentation

9:45 AM

4A.8

The Performance of Seven WRF Planetary Boundary Layer/Surface Layer Physics Schemes over Complex Terrain

Richard S. Penc, U.S. Army Research Laboratory, WSMR, NM; and J. A. Smith, J. W. Raby, and R. E. Dumais Jr.

Recorded Presentation Manuscript (834.8 kB)

Session 4B

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies IV

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: William Anderson, Univ. of Texas

8:00 AM

4B.1

Flows over Idealized Vegetation Canopy with Roughness Sublayer Correction — a Laboratory Experiment on the Turbulent Transport Mechanism

Chun-Ho Liu, Univ. of Hong Kong, Hong Kong, Hong Kong; and Z. Mo, W. H. L. Chow, M. K. Lam, Y. H. Lok, S. W. Ma, F. L. Wong, and P. Y. Yip

8:15 AM

4B.2

Stepping Towards New Parameterizations for Non-Canonical Atmospheric Surface-Layer Conditions, a Dispersive-Flux Approach

Fabien Margairaz, Univ. of Utah, Salt Lake City, UT; and M. Calaf and E. Pardyjak

8:30 AM

4B.3

Developing a Data Record of PBL Temperature Profiles for Diurnal Land-Atmosphere Coupling Investigations

Dan Li, Boston Univ., Boston, MA; and Z. Lin and Y. Zhang

8:45 AM

4B.4

Observed Regional Variability of Fog in the Netherlands

Jonathan G Izett, Delft Univ. of Technology, Delft, Netherlands; and B. Van de Wiel, P. Baas, R. Schulte, and F. C. Bosveld

9:00 AM

4B.5

A Climatology of Nocturnal Low-level Jest for the Topographically Complex Site at Boseong

Young–Hee Lee, Kyungpook National Univ., Daugue, Korea, Republic of (South)

9:15 AM

4B.6

Downscaling of Wind Predictions in Complex Terrain Using Bayesian Inference

Alon Manor, IIBR, Ness Ziona, Israel; and D. Avisar, P. Kunin, and S. Berkovic

Recorded Presentation

9:30 AM

4B.7

Mountain Breezes at Three Different Sites: Salt Lake Valley, The Pyrenees and Guadarrama Mountain Range.

Carlos Román-Cascón Jr., Universidad Complutense de Madrid, La Barthe De Neste, France; and C. Yagüe, J. A. Arrillaga, M. Lothon, F. Lohou, E. R. Pardyjak, M. Sastre, G. Maqueda, and R. M. Inclán

9:45 AM

4B.8

Mesoscale to LES Framework to Study Atmospheric Flows over Complex Island Terrain

Ricardo Faria, ARDITI - Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação, Funchal, Portugal; and R. Caldeira

Audio File
Recorded Presentation

Session 4

Coupled Air-Sea Processes and Electromagnetic Ducting Research (CASPER) Special Session I

Location: Meeting Room 19-20 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

Cochairs: Qing Wang, NPS; Djamal Khelif, Univ. of California

8:30 AM

4.1

An Overview of Air-Sea Interaction Research in CASPER-West

Qing Wang, NPS, Monterey, CA; and R. K. Shearman, I. B. Savelyev, D. Khelif, H. J. S. Fernando, M. Buckley, L. Shen, T. Haack, and A. De Paolo

Audio File
Recorded Presentation

8:45 AM

4.2

Coastal Internal Boundary Layer Studies during CASPER-West

Raghavendra Krishnamurthy, Univ. of Notre Dame, Notre Dame, IN; and H. J. S. Fernando, A. J. Christman, D. Alappattu, K. Franklin, B. Wauer, and Q. Wang

Audio File
Recorded Presentation

9:00 AM

4.3

High-Resolution Turbulence Measurements in the Marine Surface Layer with the Controlled Towed Vehicle (CTV) and Its Tow Aircraft during CASPER-West

Djamal Khelif, Univ. of California, Irvine, CA; and J. Barge, Q. wang, R. Burkholder, Q. Wang, H. H. Jonsson, and C. Yardim

Recorded Presentation

9:15 AM

4.4

Intermittency and Monin-Obukhov Scaling of Turbulence in the Marine Atmospheric Surface Layer Observed during CASPER-East

Andreas Muschinski, Northwest Research Associates, Inc, Boulder, CO; and Q. Wang

Recorded Presentation

9:30 AM

4.5

Turbulence Measurements Aboard Waveglider during CASPER-West

Ryan Yamaguchi, NPS, Monterey, CA; and Q. Wang and J. Kalogiros

Audio File
Recorded Presentation

9:45 AM

4.6

Characterization of Diurnal Cycle and Land-Sea Flow Effects on Refractivity at Microwave Frequencies during CASPER-West

Matt Wilbanks, Naval Surface Warfare Center, Dahlgren, VA; and K. Horgan, J. McCammon, and A. Anderson

Session 5A

Boundary Layer Parameterizations in Models at All Scales V

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Fotini K. Chow, Univ. of California

10:30 AM

5A.1

Evaluating the Impact of Parameterized Turbulent Mixing and Boundary Layer Structure on Hurricane Intensification

Jun A. Zhang, NOAA/AOML and Univ. of Miami/CIMAS, Miami, FL; and R. F. Rogers, F. D. Marks Jr., and V. Tallapragada

Recorded Presentation

10:45 AM

5A.2

Main Results of the GABLS4 Model Inter-Comparison

Eric Bazile, Meteo-France/CNRS CNRM UMR3589, Toulouse, France; and F. Couvreux, P. Le Moigne, W. M. Angevine, P. Baas, A. Cheng, J. M. Edwards, H. Gallée, C. Genthon, J. Huang, M. A. Jimenez, W. Maurel, W. C. De Rooy, I. Sandu, A. R. Schroth, G. J. Steeneveld, D. Veron, E. Vignon, A. Zadra, W. Zheng, F. Favot, A. A. M. Holtslag, G. Svensson, and O. Traullé

Recorded Presentation

11:00 AM

5A.3

Direct Numerical Simulation of the Observed Radiative Antarctic Boundary Layer

Steven JA van der Linden, Delft Univ. of Technology, Delft, Netherlands; and C. C. Van Heerwaarden, E. Vignon, C. Genthon, P. Baas, J. M. Edwards, and B. J. van de Wiel

Recorded Presentation

11:15 AM

5A.4

Three-Dimensional Planetary Boundary Layer Parameterization for High-Resolution Mesoscale Simulations of Flows Over Complex Terrain

B. Kosovic, NCAR, Boulder, CO; and P. Jimenez

Recorded Presentation

Session 5

Coupled Air-Sea Processes and Electromagnetic ducting Research (CASPER) Special Session II

Location: Meeting Room 19-20 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

Cochairs: R. Kipp Shearman, Oregon State Univ.; Ivan Savelyev, NRL

10:30 AM

5.1

Upper Ocean Processes during CASPER West IOP

R. Kipp Shearman, Oregon State Univ., Corvallis, OR; and Q. Wang, H. J. S. Fernando, A. Sanchez, and I. Lozovatsky

Recorded Presentation
Audio File

10:45 AM

5.2

Active Thermal Stereo Imaging of the Ocean Surface Turbulence during CASPER-West

Ivan Savelyev, NRL, Washington, DC; and M. Buckley and Q. Wang

Audio File
Recorded Presentation

11:00 AM

5.3

Airflow Measurements Above Ocean Surface Waves Using PIV

Marc P Buckley, Institute of Coastal Research, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany; and I. Savelyev and J. Horstmann

Recorded Presentation

11:15 AM

5.4

Characterizing the Effects of Non-stationarity on the Marine Atmospheric Surface Layer during CASPER-West

David G. Ortiz-Suslow, NPS, Monterey, CA; and Q. Wang and R. Yamaguchi

Audio File
Recorded Presentation

11:30 AM

5.5

A Numerical Investigation of the Wave Effect on Wind Turbulence and Scalar Field

Tao Cao, Univ. of Minnesota, Minneapolis, MN; and X. Hao, Z. Yang, and L. Shen

Audio File
Recorded Presentation

Session 5B

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies V

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Rob Stoll, Univ. of Utah

10:30 AM

5B.1

Nested High-Resolution Atmospheric Boundary Layer Simulations for Perdigao Experiment Using WRF-LES

Gokhan Kirkil, Kadir Has Univ., Istanbul, Turkey; and E. Yilmaz and S. S. Mentes

10:45 AM

5B.2

Wind-LIDAR Observations and High-Resolution Modeling of a Thermally-Driven Valley-Exit Jet at the Outlet of the Isarco Valley (Italy)

Marco Falocchi, Univeristy of Trento, Trento, Italy; and L. Giovannini, E. Tomasi, G. Antonacci, and D. Zardi

Audio File
Recorded Presentation

5B.3

Estimate of Boundary-Layer Height Using Aerosol Lidar and Laser Ceilometer during 2016-2017 Winter in Nanjing City, China

11:15 AM

5B.4

Plume or Bubble? Transitions in City-Scale Atmospheric Circulation with the Richardson Number

Hamidreza Omidvar, Princeton Univ., Princeton, NJ; and E. Bou-Zeid, Q. Li, and P. M. Klein

Audio File
Recorded Presentation

11:30 AM

5B.5

Turbulent Wake Induced By a Steep Topography in Boundary-Layer Flows

Wei Zhang, Cleveland State Univ., Cleveland, OH; and C. D. Markfort and F. Porté-Agel

Audio File
Recorded Presentation

11:45 AM

5B.6

Extension of the Application of Classical Momentum Flux-profile Relationship in the Urban Roughness Sublayer

Jun Zou, Nanjing Univ., Nanjing, China; and J. Sun and B. Zhou

Audio File
Recorded Presentation

Session 6

Unsteady Boundary Layer Behavior I

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Fotini K. Chow, Univ. of California

11:30 AM

6.1

Fast-Flux: Surface Heat Fluxes Measurements during a Total Solar Eclipse

Chad W. Higgins, Oregon State Univ., Corvallis, OR; and H. J. Oldroyd, S. Drake, S. Wharton, J. R. Kelley, and D. D. Jensen

Recorded Presentation

11:45 AM

6.2

Unmanned Aerial Vehicle Measurements of Atmospheric Surface Layer Turbulence Evolution during Total Solar Eclipse

Caleb A. Canter, Univ. of Kentucky, Lexington, KY; and M. P. Sama, S. Smith, and S. C. C. Bailey

Recorded Presentation Manuscript (2.4 MB)

Session 7A

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies VI

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Alan Shapiro, Univ. of Oklahoma

1:30 PM

7A.1

The Effect of Urban Surface Modification on the Near Surface Air Temperature and Urban Boundary Layer Evolution during Extreme Heat Waves in Montreal

Nasim Alavi, EC, Dorval, QC, Canada; and S. Bélair and S. Leroyer

Audio File
Recorded Presentation

1:45 PM

7A.2

An Analytical Model of an Urban Heat Island Circulation in Calm Conditions

Alan Shapiro, Univ. of Oklahoma, Norman, OK; and E. Fedorovich

Audio File
Recorded Presentation

2:00 PM

7A.3

Characteristic Length Scales in Turbulent Flows over Rough Walls

Jiachuan Yang, Princeton Univ., Princeton, NJ; and Q. Li and E. Bou-Zeid

Audio File
Recorded Presentation

2:15 PM

7A.4

Mixing and Ventilation in an Urban Street Canyon

Keith Ngan, City Univ. of Hong Kong, Kowloon, Hong Kong; and G. Duan

Audio File
Recorded Presentation

2:30 PM

7A.5

Shaping Buildings to Promote Street Ventilation: A Large-Eddy Simulation Study

Maider Llaguno-Munitxa, Princeton Univ., Princeton, NJ; and E. Bou-Zeid

Recorded Presentation
Audio File

2:45 PM

7A.6

A Statistical Nowcasting Method for an Urban Wind Field at Rooftop Level

Ziv Klausner, Israel Institute for Biological Research (IIBR), Ness Ziona, Israel; and E. Fattal

Recorded Presentation
Audio File

3:00 PM

7A.7

Introducing the Urban Wind Island Effect

Arjan Marten Droste, Wageningen Univ., Wageningen, Netherlands; and G. J. Steeneveld and A. A. M. Holtslag

Audio File
Recorded Presentation

3:15 PM

7A.8

Effects of Building-Height Variability on Turbulence Generation in the Boundary Layer over an Urban Area

Tetsuya Takemi, Kyoto Univ., Uji, Japan; and T. Yoshida and M. Horiguchi

Audio File
Recorded Presentation

Session 7B

Unsteady Boundary Layer Behavior II

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Peter P. Sullivan, NCAR

1:30 PM

7B.1

Mixed But Nothing Mixing: Multiple Layers as Detected by Doppler LiDAR and High Resolution Soundings in New York State

Jeffrey M. Freedman, Univ. at Albany, SUNY, Albany, NY; and D. R. Fitzjarrald, J. A. Brotzge, and N. Bain

Recorded Presentation

1:45 PM

7B.2

Turbulent Quantities Behavior During Planetary Boundary Layer Transition for a Vertical Multi-Level Micrometeorological Tower

Franciano S. Puhales, UFSM, Santa Maria, Brazil; and O. C. Acevedo, L. G. N. Martins, G. A. Degrazia, F. D. Costa, P. E. S. Oliveira, and C. Teichrieb

Recorded Presentation

2:00 PM

7B.3

Nocturnal Low Level Jets in a Time-Varying Geostrophic Flow

Andrew N. Ross, Univ. of Leeds, Leeds, U.K.; and G. E. Q. Bessardon, J. H. Marsham, and B. J. Brooks

Recorded Presentation

2:15 PM

7B.4

Direct Numerical Simulation of Stratified Couette Flow and Its Analogy to the Nocturnal Atmospheric Boundary Layer

I.G.S. Van Hooijdonk, Eindhoven Univ. of Technology, Eindhoven, Netherlands; and B. J. H. van de Wiel, C. Ansorge, and H. J. H. Clercx

2:30 PM

7B.5

Observational and Modeling Study of the Wind Controls on the Stable Boundary Layer

Rafael Maroneze, UFSM, Santa Maria, Brazil; and O. C. Acevedo and F. D. Costa

Recorded Presentation

2:45 PM

7B.6

Observations of the Transition from Weakly to Very Stable Boundary Layer at a 140-m Micrometeorological Mast.

Otávio C. Acevedo, Universidade Federal de Santa Maria, RS, Santa Maria, Brazil; and R. Maroneze, F. D. Costa, F. S. Puhales, L. G. N. Martins, G. A. Degrazia, and P. E. S. Oliveira

Recorded Presentation

3:00 PM

7B.7

Scale Interactions and Flow Structures in Stable Boundary Layers

Nikki Vercauteren, Freie Universitaet, Berlin, Germany; and V. Boyko and I. Stiperski

Recorded Presentation

3:15 PM

7B.8

Spatial Structure of Non-Stationary Stable Boundary Layers

Larry Mahrt, NorthWest Research Associates, Corvallis, OR

Recorded Presentation

Session 8A

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies VII

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: William Anderson, Univ. of Texas

8:00 AM

8A.1

Large-Eddy Simulation Study of Turbulent Flow over Urban-like Fractals

Xiaowei Zhu, Univ. of Texas, Richardson, TX; and W. Anderson

Recorded Presentation

8:15 AM

8A.2

The Impact of Urban Form on Particle Dispersion in a Residential Neighborhood

Rob Stoll, Univ. of Utah, Salt Lake City, UT; and S. T. Salesky, M. Giometto, A. Christen, W. Mahaffee, and E. R. Pardyjak

Audio File
Recorded Presentation

8:30 AM

8A.3

A Coupled Large-Eddy Simulation–Lagrangian Stochastic Modeling Framework with Applications to Urban Areas

Chenghao Wang, Arizona State Univ., Tempe, AZ; and Z. H. Wang, Q. Li, and J. Yang

Recorded Presentation

8:45 AM

8A.4

A Lagrangian Stochastic Model for Urban Area over Complex Terrain — Comparison with Haifa Campaigns

Eyal Fattal, Israel Institute for Biological Research (IIBR), Ness Ziona, Israel; and O. Buchman and E. Gavze

Recorded Presentation
Audio File

9:00 AM

8A.5

First Results of Urban Microscale Air Quality Simulations for Berlin, Germany, Using PALM-4U

Basit Khan, Karlsruhe Institute of Technology, Garmisch-Partenkirchen, Germany; and M. Mauder, R. Forkel, S. Banzhaf, E. Russo, F. Kanani-Sühring, M. Kurppa, B. Maronga, S. Raasch, and K. Ketelsen

Audio File
Recorded Presentation

Handout (2.7 MB)

9:15 AM

8A.6

Online and Offline Evaluation of the Single-Layer Urban Canopy Model in Summertime Conditions over London

Aristofanis Tsiringakis, Wageningen Univ., Wageningen, Netherlands; and G. J. Steeneveld, A. A. M. Holtslag, S. Kotthaus, and C. S. B. Grimmond

Audio File
Recorded Presentation

9:30 AM

8A.7

Development of a Multi-Scale Modeling Framework for Urban Simulations in the Weather Research and Forecasting Model

David J. Wiersema, Univ. of California, Berkeley, CA; and K. A. Lundquist and F. K. Chow

Recorded Presentation Manuscript (7.5 MB)

9:45 AM

8A.8

Analysis of Vehicle-Induced Turbulence on a Highway

Pietro Breviglieri, Univeristy of Trento, Trento, Italy; and L. Giovannini, M. Falocchi, and D. Zardi

Audio File
Recorded Presentation

Session 8B

Theoretical and Practical Issues Associated with Multi-Scale Simulations I

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Domingo Muñoz-Esparza, NCAR

8:15 AM

8B.1

Errors in the Estimation of Turbulence Kinetic Energy Dissipation Rate in the Atmospheric Boundary Layer

Livia S. Freire, Federal Univ. of Parana, Curitiba, Brazil; and N. L. Dias

Recorded Presentation

8:30 AM

8B.2

Comparison of Temporal and Spatial Scales in Atmospheric Flow

Irene E. Suomi, Finnish Meteorological Institute, Helsinki, Finland; and C. Fortelius, T. Vihma, S. E. Gryning, C. Lüpkes, and J. Hartmann

8:45 AM

8B.3

Modulation of Surface-Layer Turbulence By Large Scale Motions in the Convective Boundary Layer

Scott T Salesky, Univ. of Oklahoma, Norman, OK; and W. Anderson

Recorded Presentation

9:00 AM

8B.4

Dispersion Variability, Scalar Fluctuations, and Concentration PDFs in the Atmospheric Boundary Layer

Jeffrey Weil, NCAR, Boulder, CO; and P. P. Sullivan, E. G. Patton, and A. Wyszogrodski

Recorded Presentation

8B.5

The Multi-Scale Structure of Roll Vortices in Hurricane BoundaryLayers

8B.6

A Turbulence Library for Asynchronous Coupling of Meso and Microscale Models

9:30 AM

8B.7

Force-Based Perturbations for Turbulence Generation in Mesoscale-to-LES Grid-Nesting Applications

Laura Jin Mazzaro, Univ. of Colorado, Boulder, CO; and E. Koo, D. Muñoz-Esparza, J. K. Lundquist, and R. Linn

Recorded Presentation

9:45 AM

8B.8

Capability of WRF-LES Mode on Realistic Atmospheric Surface Layer

Keisuke Nakao, CRIEPI, Abiko-shi Chiba, Japan; and Y. Hattori and H. Suto

Recorded Presentation

Session 6

Air-Sea Interaction Under High Wind Speed Conditions

Location: Meeting Room 19-20 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

Cochairs: David H. Richter, Univ. of Notre Dame; Heather M. Holbach, NHC

8:30 AM

6.1

The Impact of Atmospheric Stability on the Near-Surface Wind over Sea in Storm Conditions

Peter Baas, Delft Univ. of Technology, Delft, Netherlands; and F. C. Bosveld and G. Burgers

Recorded Presentation

8:45 AM

6.2

Role of the Sea State on the Air-Sea Exchanges during a Mediterranean Heavy Precipitation Event in a Kilometer-Scale Forecast System

Cesar Sauvage, CNRM, Toulouse, France; and C. Lebeaupin Brossier, M. N. Bouin, and V. Ducrocq

Recorded Presentation Manuscript (1.0 MB)

9:00 AM

6.3

Strong Winds in a Coupled Wave-Atmosphere Model during a North Atlantic Storm Event: Evaluation Against Observations

Lucia Pineau-Guillou, IFREMER, Plouzane, France; and F. Ardhuin, M. N. Bouin, J. L. Redelsperger, B. Chapron, J. R. Bidlot, and Y. Quilfen

6.4

Observational Analysis of Air-sea Fluxes Under High Winds Offshore South China Sea and Implications for Flux Parameterizations.

9:15 AM

6.5

Sea-State Dependent Drag Coefficient in Shallow Waters Under Tropical Cyclones

Xuanyu Chen, Univ. of Rhode Island, Narragansett, RI; and I. Ginis and T. Hara

Recorded Presentation

9:30 AM

6.6

Surface Wind and Wave Interactions in Tropical Cyclones

Heather M. Holbach, Florida State Univ., Northern Gulf Institute, and NOAA/AOML, Miami, FL; and I. PopStefanija, B. W. Klotz, and M. A. Bourassa

Recorded Presentation

Session 7

The Role of Air-Sea Interaction in Climate Variability and Change

Location: Meeting Room 19-20 (Renaissance Oklahoma City Convention Center Hotel)

Host: 21st Conference on Air-Sea Interaction

Cochairs: Hisashi Nakamura, Univ. of Tokyo; Justin Small, NCAR

10:30 AM

7.1

Air-Sea Heat Flux and Ocean Heat Content Variability in Climate Models and Observations

Richard Justin Small, NCAR, Boulder, CO; and F. O. Bryan, S. Bishop, and R. Tomas

Recorded Presentation

10:45 AM

7.2

Processes Shaping the Time-Mean Surface Wind Convergence Pattern around the Wintertime Kuroshio Extension and Oyashio Fronts

Hisashi Nakamura, Univ. of Tokyo, Tokyo, Japan; and R. Masunaga, B. Taguchi, and T. Miyasaka

Recorded Presentation

11:00 AM

7.3

Influence of the Subtropical High and Stormtrack on Low-Cloud Fraction and Its Seasonality over the South Indian Ocean

Ayumu Miyamoto, Univ. of Tokyo, Tokyo, Japan; and H. Nakamura and T. Miyasaka

Recorded Presentation

7.4

Constructing a climatology of Marine Atmospheric Boundary Layer Roll Vortices Using Sentinel-1 SAR Vingettes

11:15 AM

7.5

Clear-Sky Cooling during Polar Night over the Sea Ice in the Arctic: The Role of Leads and Wind Speed.

Dmitry Chechin, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany; and I. Makhotina and C. Lüpkes

Recorded Presentation

7.6

Turbulent Fluxes Near a Thin, Advancing, Sea-Ice Edge

11:30 AM

7.6A

Vertical Profiles of Wave–Coherent Momentum Flux and Velocity Variances in the Marine Atmospheric Boundary Layer

Lichuan Wu, Uppsala Univ., Uppsala, Sweden; and T. Hristov and A. Rutgersson

Recorded Presentation

Session 9A

Modeling and Observations in Heterogeneous, Complex, and Urban Terrain, Including Vegetated Surfaces and Canopies VIII

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Holly J. Oldroyd, Univ. of California, Davis

10:30 AM

9A.1

Observed and Simulated Heterogeneity in Boundary Layer Turbulence and Shallow Convective Clouds during the HI-SCALE Campaign

Jerome D. Fast, PNNL, Richland, WA; and L. K. Berg, R. K. Newsom, H. Xiao, and S. L. Tai

Audio File
Recorded Presentation

10:45 AM

9A.2

Observations of Morning PBL Transitions Using Rotary-Wing Unmanned Aircraft Systems

Brian Greene, Univ. of Oklahoma, Norman, OK; and P. B. Chilson, A. R. Segales, W. Doyle, B. Wolf, C. Fiebrich, S. Duthoit, S. Waugh, and S. E. Fredrickson

Audio File
Recorded Presentation

11:00 AM

9A.3

Simulations of Unmanned Aerial Systems in Canonical Atmospheric Boundary Layer Turbulence for Sensing and Navigation

Balaji Jayaraman, Oklahoma State Univ., Stillwater, OK; and S. Allison and H. Bai

Audio File
Recorded Presentation

11:15 AM

9A.4

Boundary Layer Observations with Unmanned Aircraft - Results from the 2016-2018 CLOUD-MAP Flight Campaign

Jamey Jacob, Oklahoma State Univ., Stillwater, OK; and P. B. Chilson, A. Houston, and S. Smith

Audio File
Recorded Presentation

11:30 AM

9A.5

The Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer (ISOBAR) Field Campaign: Perspectives from the Univ. of Oklahoma

Phillip B. Chilson, Univ. of Oklahoma, Norman, OK; and B. Greene, E. Pillar-Little, A. R. Segales, W. Doyle, S. Mazuera, J. Reuder, and S. T. Kral

Audio File
Recorded Presentation

11:45 AM

9A.6

Advances in the Measurements of the Structure Function Parameter for Temperature Using a Small Unmanned Aircraft System

Antonio R. Segales, Univ. of Oklahoma, Norman, OK; and M. E. Schneider, J. B. Basara, N. H. Balderas, I. E. Suomi, R. Kouznetsov, J. Reuder, S. T. Kral, and P. B. Chilson

Audio File
Recorded Presentation

Session 9B

Theoretical and Practical Issues Associated with Multi-Scale Simulations II

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Cochairs: Chenning Tong, Clemson Univ.; Sue E. Haupt, NCAR

10:30 AM

9B.1

WRF-LES over Complex Terrain Using a Velocity-Reconstruction Immersed Boundary Method

Fotini Katopodes Chow, Univ. of California, Berkeley, CA; and J. Bao and K. A. Lundquist

Recorded Presentation

10:45 AM

9B.2

Sensitivity of Simulated Turbulence to Terra Incognita: Implications for Linking Mesoscale and Microscale Models

Larry K. Berg, PNNL, Richland, WA; and R. K. Rai, B. Kosovic, S. E. Haupt, J. D. Mirocha, C. Draxl, and B. Ennis

Recorded Presentation

11:00 AM

9B.3

Meteorological Model/Engineering LES Hybrid Approach: Towards the Risk Assessment of Urban Areas in Strong Wind Events

Masaharu Kawaguchi, Tokyo Institute of Technology, Yokohama, Japan; and T. Tamura, W. Mashiko, T. Tao, and H. Kawai

Recorded Presentation

11:15 AM

9B.4

Toward Turbulence Forecasting in the Atmospheric Boundary Layer at Large-Eddy Simulation Resolutions

Domingo Muñoz-Esparza, NCAR, Boulder, CO; and R. D. Sharman, J. Sauer, B. Kosovic, J. K. Lundquist, and L. J. Mazzaro

Recorded Presentation

11:30 AM

9B.5

Towards Adaptive Grids for the Modeling of the Atmospheric Boundary Layer

J.A. van Hooft, Technische Universiteit, Delft, Netherlands; and S. popinet, C. V. Heerwaarden, S. van der Linden, S. de Roode, and B. J. H. van de Wiel

Recorded Presentation

11:45 AM

9B.6

ABL Simulation and Analysis via the FastEddy GPU-Accelerated Model

Jeremy Sauer, NCAR, Bouder, CO; and D. Muñoz-Esparza, B. Kosovic, and L. Delle Monache

Recorded Presentation

Joint Session 2

The Coastal Environment

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Hosts: (Joint between the 21st Conference on Air-Sea Interaction; and the 23rd Symposium on Boundary Layers and Turbulence )

Cochairs: Albert A.M. Holtslag, Wageningen Univ.; Heather M. Holbach, NHC; Sophia E. Brumer, UMR 6523 IFREMER-CNRS-IRD-UBO, IUEM

1:30 PM

J2.1

Investigation of Optical Turbulence in the Coastal Environment over False Bay / South Africa

Detlev Sprung, Fraunhofer IOSB, Ettlingen, Germany; and A. M. J. van Eijk, E. Sucher, C. Eisele, D. Seiffer, and K. Stein

1:45 PM

J2.2

Salt-Finger Convection in the Warm Wake of Madeira Island

Cátia Azevedo, ARDITI - Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação, Funchal, Portugal; and C. Camargo and R. Caldeira

Audio File
Recorded Presentation

2:00 PM

J2.3

On the Complex Interaction Between the Sea Breeze and Boundary-Layer Turbulence Before, During, and After the Afternoon Transition

Jon A. Arrillaga, Universidad Complutense de Madrid, Madrid, Spain; and J. Vilà-Guerau de Arellano, C. Yagüe, F. C. Bosveld, P. Jimenez, H. K. Baltink, J. Dudhia, M. Sastre, and C. Román-Cascón

Audio File
Recorded Presentation

2:15 PM

J2.4

High Resolution Numerical Study of Atmospheric Response to SST Front: Realistic LES Case Study over the Iroise Sea

Jean-Luc Redelsperger, PDG-ODE-LOPS, CNRS, Plouzane, France; and M. N. Bouin, J. Pianezze, V. Garnier, and L. Marie

Recorded Presentation

2:30 PM

J2.5

Coupled Modeling of Air-Sea Processes in the Iroise Sea at High Horizontal Resolution

Sophia E. Brumer, UMR 6523 IFREMER-CNRS-IRD-UBO, IUEM, Plouzané, France; and V. Garnier, J. L. Redelsperger, M. N. Bouin, F. Ardhuin, and M. Accensi

Recorded Presentation

2:45 PM

J2.6

The Effects of Sea-Spray and Foam on Aerodynamic Resistance of Water Surface in Strong Winds

Yuliya Troitskaya, Institute of Applied Physics RAS, Nizhny Novgorod, Russia; and D. Sergeev, A. Kandaurov, M. Vdovin, D. Kozlov, O. Ermakova, A. Zotova, and S. Zilitinkevich

Session 10

Recent Field Experiments (WFIP 2, Perdigao, LABLE, etc.) I

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Cochairs: Petra Klein, Univ. of Oklahoma; Jielun Sun, NCAR

1:30 PM

10.1

Boundary-Layer Wind-Flow Variability in Complex Terrain from Scanning Doppler Lidars and NWP Operational Models

Yelena Pichugina, CIRES, Univ. of Colorado Boulder, Boulder, CO; and R. M. Banta, A. Choukulkar, T. A. Bonin, A. W. Brewer, J. Olson, J. Kenyon, M. Marquis, C. Bonfanti, B. J. McCarty, S. Baidar, S. P. Sandberg, A. M. Weickmann, R. M. Hardesty, H. J. S. Fernando, and R. Krishnamurthy

Recorded Presentation

1:45 PM

10.2

Analysis of Energy Balance Closure at Different Temporal Scales

Andrey A. Grachev, Univ. of Colorado CIRES / NOAA/ESRL, Boulder, CO; and C. W. Fairall, B. W. Blomquist, H. J. S. Fernando, L. S. Leo, S. Otarola-Bustos, J. M. Wilczak, and K. McCaffrey

Recorded Presentation

2:00 PM

10.3

Analysis of Flow in Complex Terrain Using Innovative Multi-Doppler Lidar Retrievals

Tyler M. Bell, Univ. of Oklahoma, Norman, OK; and P. Klein, N. Wildmann, and R. Menke

Recorded Presentation

2:15 PM

10.4

Evaluating the Spatial and Temporal Evolution of Great Plains Low-level Jets During PECAN Using High-resolution Observations and Simulations

Elizabeth N. Smith, Univ. of Oklahoma, Norman, OK; and J. G. Gebauer, P. M. Klein, E. Fedorovich, and J. A. Gibbs

Recorded Presentation

2:30 PM

10.5

Observing Storm and PBL Interactions with Airborne Raman Lidar during PECAN

Zhien Wang, Univ. of Wyoming, Laramie, WY; and G. Lin and B. Geerts

Recorded Presentation

2:45 PM

10.6

Observing Shallow Fog at Very High Resolution

Jonathan G Izett, Delft Univ. of Technology, Delft, Netherlands; and B. Schilperoort, M. Coenders-Gerrits, P. Baas, F. C. Bosveld, and B. Van de Wiel

Recorded Presentation

Session 11A

Boundary Layer Clouds

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Jordi Vilà-Guerau de Arellano, Wageningen University

8:00 AM

11A.1

Turbulence and Cloud-Top Entrainment Rate Estimates in Marine Stratocumulus During VOCALS-REx

Kathryn L. Verlinden, Oregon State Univ., Corvallis, OR; and S. P. de Szoeke

Recorded Presentation

8:15 AM

11A.2

Analysis of Processes Relevant for the Development of Nocturnal Low-Level Clouds over Southern West Africa

Karmen Babić, Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany; and B. Adler, N. Kalthoff, F. Lohou, M. Lothon, C. Dione, and X. Pedruzo-Bagazgoitia

Recorded Presentation

8:30 AM

11A.3

A New Stochastic Eddy-Diffusivity/Mass-Flux Model: A Step Towards Unified Parameterization

Kay Suselj, JPL, Pasadena, CA; and M. J. Kurowski and J. Teixeira

Recorded Presentation

8:45 AM

11A.4

Shallow Cumulus in Single-Column WRF Simulations Evaluated with the LASSO Framework

Wayne M. Angevine, CIRES, Univ. of Colorado Boulder, and NOAA/ESRL, Boulder, CO; and J. B. Olson, J. Kenyon, W. I. Gustafson Jr., and S. Endo

Recorded Presentation

9:00 AM

11A.5

The Effect of Land Surface Heterogeneity and Background Wind on Large-Eddy Simulations of Shallow Cumulus Clouds and the Transition to Deep Convection

Jungmin Lee, LLNL, Livermore, CA; and Y. Zhang and S. A. Klein

9:15 AM

11A.6

Cloud Size Distributions from Many Different LES of Shallow Cumulus Convection

Thijs Heus, Cleveland State Univ., Cleveland, OH; and N. Barron, D. J. Pharis, and S. D. Ryan

9:30 AM

11A.7

Large Eddy Simulations of Stratocumulus Response to Changing CO2 Concentrations

Colleen M. Kaul, California Institute of Technology, Pasadena, CA; and T. Schneider and K. G. Pressel

9:45 AM

Discussion

Recorded Presentation

Session 11B

Recent Field Experiments (WFIP 2, Perdigao, LABLE, etc.) II

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Cochairs: Julie K. Lundquist, National Renewable Energy Laboratory; Ivana Stiperski, Univ. of Innsbruck

8:00 AM

11B.1

Synoptic Controls on Entrainment Mixing, Shear, and The Three-Layer Atmosphere Above the San Joaquin Valley of California

Ian Faloona, Univ. of California, Davis, CA; and D. Caputi, J. Smoot, N. Falk, S. A. Conley, A. Alexander, and H. J. Oldroyd

Recorded Presentation

8:15 AM

11B.2

Residual Layer Ozone, Mixing, and the Nocturnal Jet in California's San Joaquin Valley

Daniella Caputi, Univ. of California, Davis, CA; and I. Faloona, S. Conley, J. Smoot, J. Trousdell, and N. Falk

Recorded Presentation

8:30 AM

11B.3

Evaluating the Representation of the Land-Atmosphere Feedback during the 2017 Solar Eclipse in the High-Resolution Rapid Refresh (HRRR) Model

David D. Turner, NOAA/ESRL, Boulder, CO; and J. B. Olson, J. Kenyon, V. Wulfmeyer, A. Behrendt, A. Choukulkar, T. A. Bonin, W. A. Brewer, R. K. Newsom, and D. Cook

Recorded Presentation

8:45 AM

11B.4

Estimation of Turbulence Dissipation Rate and its Uncertainty from Sonic Anemometer and Wind Doppler Lidar During the XPIA Field Campaign

Nicola Bodini, Univ. of Colorado, Boulder, CO; and R. K. Newsom and J. K. Lundquist

Recorded Presentation

9:00 AM

11B.5

Coherent Turbulence in the Boundary Layer of Hurricane Rita (2005) During an Eyewall Replacement Cycle

Stephen R. Guimond, UMBC/JCET, Baltimore, MD; and J. Zhang, J. Sapp, and S. J. Frasier

Recorded Presentation

9:15 AM

11B.6

The Two ISOBAR Stable Boundary Layer Field Campains at Hailuoto, Finland in 2017 and 2018: Experimental Setup and First Results

Joachim Reuder, Univ. of Bergen, Bergen, Norway; and S. T. Kral, L. Båserud, A. Seidl, K. Haualand, G. Urbancic, E. Braaten, H. Golid, M. O. Jonassen, T. Vihma, I. E. Suomi, E. O'Connor, R. Kouznetsov, J. Bange, A. Rautenberg, M. Hundhausen, M. Schön, P. Manz, K. zum Berge, H. Mashni, M. Müller, C. Lindenberg, B. Wrenger, C. Langohr, H. Voss, J. Ahrens, P. B. Chilson, W. Doyle, A. R. Segales, B. Green, L. Pillar-Little, and S. Mazuera

Audio File
Recorded Presentation

9:30 AM

11B.7

Self-Correlation of Uncorrelated Data

Cheryl L. Klipp, U.S. Army Research Laboratory, Adelphi, MD

Audio File
Recorded Presentation

9:45 AM

11B.8

Nocturnal Boundary-Layer Structure Inside a Valley Observed During the Perdigão Field Experiment

Petra M. Klein, Univ. of Oklahoma, Norman, OK; and T. M. Bell, D. D. Turner, E. N. Smith, and J. Gebauer

Audio File
Recorded Presentation

Joint Session 3

Boundary Layer Processes, Observations and Modeling Related to Renewable Energy Applications I

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Hosts: (Joint between the 23rd Symposium on Boundary Layers and Turbulence; and the 21st Conference on Air-Sea Interaction )

Cochairs: Petra Klein, Univ. of Oklahoma; Fotini K. Chow, Univ. of California

10:30 AM

J3.1

The Sea Breeze Circulation and Offshore Wind Energy in the Northeastern U.S.

Jeffrey M. Freedman, Univ. at Albany, SUNY, Albany, NY; and P. Beaucage, D. B. Kirk-Davidoff, J. A. Brotzge, and N. Bain

Recorded Presentation

10:45 AM

J3.2

Wakes from Offshore Wind Farms Observed with Aircraft and Simulated with WRF

Simon Siedersleben, KIT, Garmisch-Partenkirchen, Germany; and A. Platis, J. K. Lundquist, A. Lampert, K. Bärfuss, B. Canadillas, B. Djath, J. Schulz-Stellenfleth, T. Neumann, J. Bange, and S. Emeis

Recorded Presentation

11:00 AM

J3.3

Quantifying Wake Impacts on Downwind Wind Farms Using the WRF Wind Farm Parameterization

Jessica M. Tomaszewski, Univ. of Colorado, Boulder, CO; and J. K. Lundquist

Recorded Presentation

11:15 AM

J3.4

Incorporation of the Rotor Equivalent Wind Speed into the Weather Research and Forecasting Model's Wind Farm Parameterization

Stephanie Redfern, CIRES, Boulder, CO; and J. B. Olson, J. K. Lundquist, and C. T. Clack

Recorded Presentation

11:30 AM

J3.5

On the Interpretation of Boundary-Layer Wind Profiles and Low-Level Shear Upwind vs. Downwind of Wind Farms in Complex Terrain

Robert M. Banta, NOAA/ESRL, Boulder, CO; and Y. L. Pichugina, W. A. Brewer, A. Choukulkar, B. J. McCarty, T. A. Bonin, S. P. Sandberg, J. B. Olson, J. S. Kenyon, and S. G. Benjamin

Recorded Presentation

11:45 AM

J3.6

Incoming Wind and Wake Measurements of a Single 2.5 MW Wind Turbine Using Two Nacelle-Mounted Wind LiDARs for Analytical Wake Model Validation

Fernando Carbajo Fuertes, EPFL, Lausanne, Switzerland; and C. D. Markfort and F. Porté-Agel

Session 12

Land Atmosphere Feedback Experiment I

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

CoChair: Larry K. Berg, PNNL

10:30 AM

12.1

Overview of the Land Atmosphere Feedback Experiment (LAFE)

Volker Wulfmeyer, Univ. of Hohenheim, Stuttgart, Germany; and D. D. Turner, B. B. Baker, R. M. Banta, A. Behrendt, T. A. Bonin, A. W. Brewer, M. Buban, A. Choukulkar, E. J. Dumas Jr., R. M. Hardesty, T. Heus, J. Ingwersen, D. Lange, T. Lee, S. Metzendorf, S. K. Muppa, T. P. Meyers, R. K. Newsom, M. Osman, S. Raasch, J. A. Santanello, C. J. Senff, F. Spaeth, T. J. Wagner, and T. M. Weckwerth

Audio File
Recorded Presentation

10:45 AM

12.2

Capabilities of Scanning Lidar Systems to Measure Surface Layer Profiles of Humidity, Temperature and Wind

Florian Späth, Univ. of Hohenheim, Stuttgart, Germany; and S. K. Muppa, S. Metzendorf, D. Lange, A. Behrendt, V. Wulfmeyer, A. W. Brewer, A. Choukulkar, T. A. Bonin, D. D. Turner, and T. J. Wagner

Recorded Presentation

11:00 AM

12.3

Capabilities and Limitations of Lidar Regarding Turbulence Measurements in the Boundary Layer

Andreas Behrendt, Univ. of Hohenheim, Stuttgart, Germany; and V. Wulfmeyer, D. D. Turner, A. Brewer, D. Lange, F. Späth, S. K. Muppa, S. Metzendorf, A. Choukulkar, T. A. Bonin, T. J. Wagner, and R. K. Newsom

11:15 AM

12.4

Analysis of Combined Temperature, Wind and Water Vapor PPI Scans During Land-Atmosphere Feedback Experiment (LAFE)

Diego Lange, Univ. of Hohenheim, Stuttgart, Germany; and F. Spaeth, A. Brewer, A. Choukulkar, T. A. Bonin, A. Behrendt, S. Metzendorf, S. K. Muppa, V. Wulfmeyer, and D. D. Turner

Audio File
Recorded Presentation

11:30 AM

12.5

Airborne Thermal and Hyperspectral Imaging to Estimate Sensible and Latent Heat Fluxes during the Land Atmosphere Feedback Experiment (LAFE)

Steve Brooks, U. of Tenn Space Inst., Tullahoma, TN; and B. B. Baker, T. Lee, M. Buban, E. J. Dumas Jr., P. Krishnan, K. N. Ellis, and D. Burow

Recorded Presentation

11:45 AM

12.6

Characterizing Water Vapor Advection During LAFE with Thermodynamic and Kinematic Profilers

Timothy J. Wagner, CIMSS, Madison, WI; and D. D. Turner, T. A. Bonin, A. Brewer, A. Choukulkar, R. K. Newsom, and V. Wulfmeyer

Recorded Presentation

Session 13A

Boundary Layer Processes, Observations and Modeling Related to Renewable Energy Applications II

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Jeffrey M. Freedman, Univ. at Albany, SUNY

1:30 PM

13A.1

Improving Forecasts of Low-Level Winds Induced by Thermal Troughs in the Columbia River Basin

Joseph B. Olson, CIRES, Boulder, CO; and J. Kenyon, M. Toy, J. M. Brown, K. Lantz, C. Long, L. Bianco, Y. L. Pichugina, I. V. Djalalova, R. M. Banta, J. M. Wilczak, J. Sharp, M. T. Stoelinga, B. Kosovic, J. K. Lundquist, K. A. Lundquist, L. K. Berg, and P. A. Jimenez

Recorded Presentation

1:45 PM

13A.2

Structure of Observable Meteorological State Variables during Transitions in the Stably Stratified Nocturnal Boundary Layer

Carsten Abraham, Univ. of Victoria, Victoria, BC, Canada; and A. H. Monahan

2:00 PM

13A.3

Validation of a Theoretical Model for Large Turbine Array Performance Under Realistic Atmospheric Conditions

Thomas Dunstan, UKMO, Exeter, U.K.; and T. Murai and T. Nishino

Recorded Presentation Manuscript (726.9 kB)

2:15 PM

13A.4

Modified Power Curve for Prediction of Wind Turbine Power

Corey D. Markfort, Univ. of Iowa, Iowa City, IA; and M. Vahidzadeh

2:30 PM

13A.5

A New Airborne Doppler Lidar System for Boundary-Layer Research — a First LES Study

Philipp Gasch, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany; and A. Wieser, N. Kalthoff, U. Corsmeier, T. Feuerle, and C. Kottmeier

Session 13B

Land Atmosphere Feedback Experiment II

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Ian Faloona, Univ. of California

1:30 PM

13B.1

Turbulent Higher-Order Moments of Humidity, Temperature and Vertical Wind in the Convective Boundary Layer during LAFE

Shravan Kumar Muppa, Univ. of Hohenheim, Stuttgart, Germany; and F. Spaeth, S. Metzendorf, D. Lange, A. Brewer, A. Behrendt, and V. Wulfmeyer

1:45 PM

13B.2

Observed Characteristics of the Boundary-Layer Evolution during Evening Transitions in North-Central Oklahoma

Timothy A. Bonin, NOAA/CIRES, Boulder, CO; and D. D. Turner, R. K. Newsom, L. K. Berg, W. G. Blumberg, A. Behrendt, V. Wulfmeyer, A. Choukulkar, R. M. Banta, Y. Pichugina, C. J. Senff, R. M. Hardesty, and W. A. Brewer

Recorded Presentation

13B.3

Investigation of the Nocturnal Boundary Layer during the Land Atmosphere Feedback Experiment (LAFE) in August 2017

2:15 PM

13B.4

Evaluation of Monin-Obukhov Similarity Functions during the Land-Atmosphere Feedback Experiment (LAFE)

Temple Lee, NOAA/ARL/ATDD and CIMMS, Oak Ridge, TN; and M. Buban, T. P. Meyers, C. B. Baker, and E. J. Dumas Jr.

Audio File
Recorded Presentation

2:30 PM

13B.5

Validating Variance Similarity Functions in the Entrainment Zone Using Observations and LES Simulations

Mohammed Osman, CIMSS, Norman, OK; and D. D. Turner, T. Heus, and R. K. Newsom

Audio File
Recorded Presentation

Session 14B

Land Atmosphere Feedback Experiment III

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Philip B. Chilson, Univ. of Oklahoma

3:15 PM

14B.1

Characterizing the Turbulent Structure of the Convective Boundary Layer Over the SGP Using ARM/ASR Observations and LES Model Output

Thijs Heus, Cleveland State Univ., Cleveland, OH; and M. Osman and D. D. Turner

Recorded Presentation

3:30 PM

14B.2

Numerical Simulations of the Influence of Land Surface Heterogeneity during the Land-Atmosphere Feedback Experiment (LAFE)

Michael Buban, ARL, Oak Ridge, TN; and T. Lee, C. B. Baker, E. Dumas, and T. P. Meyers

Recorded Presentation

Session 14A

Boundary Layer Processes, Observations and Modeling Related to Renewable Energy Applications III

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Host: 23rd Symposium on Boundary Layers and Turbulence

Chair: Julie K. Lundquist, National Renewable Energy Laboratory

3:15 PM

14A.1

Recent Advances in the A2e Mesoscale to Microscale Coupling Project

Sue Ellen Haupt, NCAR, Boulder, CO; and B. Kosovic, W. J. Shaw, J. D. Mirocha, L. K. Berg, M. J. Churchfield, C. Draxl, and R. K. Rai

Recorded Presentation

3:30 PM

14A.2

An Investigation of the Suitability of Different Mesoscale-Microscale Coupling Techniques during Unsteady Meteorological Conditions for Wind Energy Applications

Jeffrey D. Mirocha, Lawrence Livermore National Laboratory, Livermore, CA; and R. K. Rai, M. J. Churchfield, Y. Feng, C. Draxl, J. S. Rodrigo, B. Ennis, B. Kosovic, and S. Haupt

Recorded Presentation

3:45 PM

14A.3

Generation of Turbulent Inflow Boundary Conditions for WRF LES

Raj K. Rai, PNNL, Richland, WA; and L. K. Berg, B. Kosovic, J. D. Mirocha, and B. Kravitz

Recorded Presentation

4:00 PM

14A.4

Coupling Mesoscale and Microscale Atmospheric Dynamics for Wind Plant Simulations in Complex Terrain

Matthew J. Churchfield, National Renewable Energy Laboratory, Golden, CO; and E. Quon

Recorded Presentation

14A.5

WRF-LES Model for Wind Energy Applications: A New Milestone in Microscale Modeling

Joint Session 4

Exchange of Trace Gases (CO2, H2O, etc.) between the Land/Sea Surface and the Boundary Layer

Location: Ballroom E (Renaissance Oklahoma City Convention Center Hotel)

Hosts: (Joint between the 23rd Symposium on Boundary Layers and Turbulence; and the 21st Conference on Air-Sea Interaction )

Chair: Philip B. Chilson, Univ. of Oklahoma

3:45 PM

J4.1

Using a Mathematical Model of Artificial Neural Networks to Analysis CO₂ Exchange across the Sea Surface in the Arctic Ocean

Iwona Honorata Niedzwiecka (Wrobel), Institute of Oceanology Polish Academy of Sciences, Sopot, Poland; and J. Piskozub

Audio File
Recorded Presentation

4:00 PM

J4.2

Development of a Robust CO₂ Sensing Platform for Boundary Layer Measurements with UAS

Elinor R. Martin, Univ. of Oklahoma, Norman, OK; and E. Pillar-Little, S. Mazuera, M. Neill, S. Baschky, and P. B. Chilson

Audio File
Recorded Presentation

4:15 PM

J4.3

Investigating The Dissimilarity Between Dust And Momentum Turbulent Transports Using Large Eddy Simulation

Royston Fernandes, ISPA, INRA, Bordeaux Sciences Agro, F-33140, Villenave-d'Ornon, France; and S. Dupont and E. Lamaud

Joint Session 5

Plenary Session II

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Hosts: (Joint between the 23rd Symposium on Boundary Layers and Turbulence; and the 21st Conference on Air-Sea Interaction )

Chair: Jeffrey D. Mirocha, Lawrence Livermore National Laboratory

8:00 AM

J5.1

Multi-Point Monin-Obukhov Similarity in the Atmospheric Surface Layer (Invited Presentation)

Chenning Tong, Clemson Univ., Clemson, SC; and M. Ding and K. X. Nguyen

Recorded Presentation

8:30 AM

Discussion 1

8:45 AM

J5.2

Turbulence in Atmospheric Surface Layer Revisited (Invited Presentation)

Sergej Zilitinkevich, Univ. of Helsinki, Helsinki, Finland

Recorded Presentation

9:15 AM

Discussion 2

Joint Session 6

Plenary Session III

Location: Ballroom D (Renaissance Oklahoma City Convention Center Hotel)

Hosts: (Joint between the 23rd Symposium on Boundary Layers and Turbulence; and the 21st Conference on Air-Sea Interaction )

Chair: Evgeni Fedorovich, Univ. of Oklahoma

10:00 AM

J6.1

Scale Dependence of Atmosphere-Surface Coupling through Similarity Theory (Invited Presentation)

Cedrick Ansorge, Univ. of Cologne, Germany

Recorded Presentation

10:15 AM

J6.2

Relationship between Near-Surface Similarity and Turbulence Anisotropy (Invited Presentation)

Ivana Stiperski, Univ. of Innsbruck, Innsbruck, Austria; and M. Calaf

Recorded Presentation

10:30 AM

Discussion 1

10:45 AM

J6.3

The Future of Boundary Layer Observing: NASEM Workshop Summary (Invited Presentation)

Shuyi S Chen, Univ. of Washington, Seattle, WA

Recorded Presentation

11:15 AM

Discussion 2

11:45 AM

Concluding Remarks

Joint Session 6 Browse by Day

Monday, 11 June 2018

8:45 AM-10:30 AM: Monday, 11 June 2018

11:00 AM-12:00 PM: Monday, 11 June 2018

11:00 AM-12:30 PM: Monday, 11 June 2018

1:30 PM-3:00 PM: Monday, 11 June 2018

1:45 PM-3:00 PM: Monday, 11 June 2018

3:30 PM-5:00 PM: Monday, 11 June 2018

4:00 PM-5:00 PM: Monday, 11 June 2018

5:00 PM-7:00 PM: Monday, 11 June 2018

Tuesday, 12 June 2018

8:00 AM-10:00 AM: Tuesday, 12 June 2018

8:30 AM-10:00 AM: Tuesday, 12 June 2018

10:30 AM-11:30 AM: Tuesday, 12 June 2018

10:30 AM-11:45 AM: Tuesday, 12 June 2018

10:30 AM-12:00 PM: Tuesday, 12 June 2018

11:30 AM-12:00 PM: Tuesday, 12 June 2018

1:30 PM-3:30 PM: Tuesday, 12 June 2018

Wednesday, 13 June 2018

8:00 AM-10:00 AM: Wednesday, 13 June 2018

8:15 AM-10:00 AM: Wednesday, 13 June 2018

8:30 AM-9:45 AM: Wednesday, 13 June 2018

10:30 AM-11:45 AM: Wednesday, 13 June 2018

10:30 AM-12:00 PM: Wednesday, 13 June 2018

1:30 PM-3:00 PM: Wednesday, 13 June 2018

Thursday, 14 June 2018

8:00 AM-10:00 AM: Thursday, 14 June 2018

10:30 AM-12:00 PM: Thursday, 14 June 2018

1:30 PM-2:45 PM: Thursday, 14 June 2018

3:15 PM-3:45 PM: Thursday, 14 June 2018

3:15 PM-4:30 PM: Thursday, 14 June 2018

3:45 PM-4:30 PM: Thursday, 14 June 2018

Friday, 15 June 2018

8:00 AM-9:30 AM: Friday, 15 June 2018

10:00 AM-12:00 PM: Friday, 15 June 2018

Monday, 11 June 2018

8:45 AM-10:30 AM: Monday, 11 June 2018

11:00 AM-12:00 PM: Monday, 11 June 2018

11:00 AM-12:30 PM: Monday, 11 June 2018

1:30 PM-3:00 PM: Monday, 11 June 2018

1:45 PM-3:00 PM: Monday, 11 June 2018

3:30 PM-5:00 PM: Monday, 11 June 2018

4:00 PM-5:00 PM: Monday, 11 June 2018

5:00 PM-7:00 PM: Monday, 11 June 2018

Tuesday, 12 June 2018

8:00 AM-10:00 AM: Tuesday, 12 June 2018

8:30 AM-10:00 AM: Tuesday, 12 June 2018

10:30 AM-11:30 AM: Tuesday, 12 June 2018

10:30 AM-11:45 AM: Tuesday, 12 June 2018

10:30 AM-12:00 PM: Tuesday, 12 June 2018

11:30 AM-12:00 PM: Tuesday, 12 June 2018

1:30 PM-3:30 PM: Tuesday, 12 June 2018

Wednesday, 13 June 2018

8:00 AM-10:00 AM: Wednesday, 13 June 2018

8:15 AM-10:00 AM: Wednesday, 13 June 2018

8:30 AM-9:45 AM: Wednesday, 13 June 2018

10:30 AM-11:45 AM: Wednesday, 13 June 2018

10:30 AM-12:00 PM: Wednesday, 13 June 2018

1:30 PM-3:00 PM: Wednesday, 13 June 2018

Thursday, 14 June 2018

8:00 AM-10:00 AM: Thursday, 14 June 2018

10:30 AM-12:00 PM: Thursday, 14 June 2018

1:30 PM-2:45 PM: Thursday, 14 June 2018

3:15 PM-3:45 PM: Thursday, 14 June 2018

3:15 PM-4:30 PM: Thursday, 14 June 2018

3:45 PM-4:30 PM: Thursday, 14 June 2018

Friday, 15 June 2018

8:00 AM-9:30 AM: Friday, 15 June 2018

10:00 AM-12:00 PM: Friday, 15 June 2018