Program: 20th Symposium on Boundary Layers and Turbulence (20th Symposium on Boundary Layers and Turbulence/18th Conference on Air-Sea Interaction)

Registration Opens

Location: 3rd Floor Foyer (Westin Copley Place)

Registration Opens and Continues through the Hours of the Conference

Location: 3rd Floor Foyer (Westin Copley Place)

Joint Session 1

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 18th Conference on Air-Sea Interaction; and the 20th Symposium on Boundary Layers and Turbulence )

Chair: Anna Rutgersson, Uppsala University

CoChair: R. Justin Small, NCAR

8:45 AM

Welcoming Remarks

9:00 AM

J1.1

High-Resolution Measurements of Wind, Waves, Temperature, and Turbulence Structure in and above the Coastal Boundary Layer in Southern Perú (13°56'S, 76°15'W)

Ben Balsley, CIRES/Univ. of Colorado, Boulder, CO; and D. A. Lawrence, R. F. Woodman, and D. C. Fritts

Recorded Presentation

9:15 AM

J1.2

Multiscale Dynamics of the Tropical Marine Boundary Layer and its Effect on Cloudiness Over the Equatorial Pacific

Ian Faloona, Univ. of California, Davis, CA; and S. A. Conley, D. Lenschow, and A. R. Bandy

Recorded Presentation

9:30 AM

J1.3

Influences of surface gravity waves on atmospheric boundary layer structure and fluxes

Erik Nilsson, Laboratoire d'Aerologie, University of Toulouse, CNRS, France and Uppsala University, Sweden, Lannemezan, France; and A. Rutgersson, E. Sahlée, A. S. Smedman, and P. P. Sullivan

Recorded Presentation

J1.4

Nonlocal transport due to Langmuir circulation in a coastal ocean

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Session 1

Stable boundary layers: Part I

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Elie Bou-Zeid, Princeton University

10:30 AM

1.1

Grid convergence in a large-eddy simulation of the stable boundary layer

Georgios Matheou, JPL, Pasadena, CA; and D. Chung and J. Teixeira

Recorded Presentation

10:45 AM

1.2

Direct and Large-Eddy simulations of stable boundary layers: turbulent kinetic energy and flux budgets

Stimit Shah, Princeton University, Princeton, NJ; and E. Bou-Zeid

Recorded Presentation

11:00 AM

1.3

Large-eddy simulations of the nighttime boundary layer during CASES-99

Bowen Zhou, Univ. of California, Berkeley, CA; and F. K. Chow

Recorded Presentation

11:15 AM

1.4

Scalar Dispersion in the Weakly Stable Boundary Layer: Effects of Surface Temperature Heterogeneity

Jeffrey C. Weil, Univ. of Colorado, Boulder, CO; and P. P. Sullivan and E. G. Patton

Recorded Presentation

11:30 AM

1.5

The third GABLS Single Column Model intercomparison: Unraveling interactions between physical processes in the stable boundary layer

Fred C. Bosveld, KNMI, De Bilt, Netherlands; and P. Baas, G. J. Steeneveld, and A. A. M. Holtslag

Recorded Presentation

11:45 AM

1.6

Bulk Richardson Number, surface decoupling and the mixing of passive scalars in the nocturnal stable boundary layer over land

Alastair G. Williams, Australian Nuclear Science and Technology Organisation, Sydney, NSW, Australia; and S. Chambers, A. D. Griffiths, and W. Zahorowski

Recorded Presentation

Joint Session 2

Coastal and Marine Boundary Layers II

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 18th Conference on Air-Sea Interaction; and the 20th Symposium on Boundary Layers and Turbulence )

Chair: George S. Young, Penn State

10:30 AM

J2.1

A study on the low-elevation clouds over the Southern Ocean with A-Train observation and WRF simulations

Yi Huang, Monash University, Monash UNI, VIC, Australia; and S. T. Siems, M. J. Manton, A. Protat, and J. Delanoë

Recorded Presentation

10:45 AM

J2.2

Offshore propagation of coastal precipitation

Yanping Li, Colorado State University and NCAR, Boulder, CO; and R. E. Carbone

Recorded Presentation

11:00 AM

J2.3

Coupled COAMPS/NCOM Simulations and GOTEX Aircraft Measurements of Gap Outflow Events

Heather Hornick, NPS, Monterey, CA; and Q. Wang, X. Hong, and S. Wang

Recorded Presentation

11:15 AM

J2.4

Atmospheric Ekman dynamics above an SST front

Thomas J. Kilpatrick, SIO, La Jolla, CA; and N. Schneider and B. Qiu

11:30 AM

J2.5

Diurnal and annual cycle of the coastline wind profile and the internal boundary layer height in the Alcântara Launch Center

Edson Marciotto, Institute of Aeronautics and Space, São José dos Campos, São Paulo, Brazil; and G. Fisch

Recorded Presentation

11:45 AM

J2.6

Differences in the structure and evolution of the atmospheric boundary layer over coastal and inland stations

Araveti Sandeep Sr., NATIONAL ATMOSPHERIC RESEARCH LABARATORY, TIRUPATI, AE, India; and T. N. Rao Sr.

Lunch Break

Session 2

Stable Boundary Layers: Part II

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Jordi Vilà, Wageningen University

1:30 PM

2.1

Nocturnal boundary layer controls on minimum temperature variability

O. C. Acevedo, Universidade Federal de Santa Maria, Santa Maria, Brazil; and A. Battisti, B. V. Brum, L. O. Santos, and F. D. Costa

Recorded Presentation

1:45 PM

2.2

Studying the space-time dynamics of transient cold-air pools in the stable boundary layer using high-resolution fiber optical temperature sensing

Christoph K. Thomas, Oregon State University, Corvallis, OR; and J. Selker and M. J. Zeeman

Recorded Presentation

2:00 PM

2.3

The nocturnal boundary layer over the playa in Utah's West Desert

Eric R. Pardyjak, Univ. of Utah, Salt Lake City, UT; and R. Stoll, C. Higgins, and H. Holmes

2:15 PM

2.4

The Onset of the Very Stable Boundary Layer

Bas Van de Wiel, Eindhoven Technical University, Eindhoven, Netherlands; and A. Moene, H. J. J. Jonker, P. Baas, S. Basu, J. Sun, and A. A. M. Holtslag

Recorded Presentation

2:30 PM

2.5

Atmospheric Waves and Turbulent Intermittency in Stable Boundary Layers During CASES99

Jielun Sun, NCAR, Boulder, CO; and C. J. Nappo, L. Mahrt, and J. Sun

Recorded Presentation

2:45 PM

2.6

Radiation Fog Case Study: Observational Analysis and WRF Modeling

Carlos Román-Cascón, University Complutense of Madrid (UCM), Madrid, Spain, Spain; and C. Yagüe, M. Sastre, and G. Maqueda

Recorded Presentation

Joint Session 3

Coastal and Marine Boundary Layers III

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 18th Conference on Air-Sea Interaction; and the 20th Symposium on Boundary Layers and Turbulence )

Chair: James B. Edson, University of Connecticut

1:30 PM

J3.1

Air-sea interaction features in the Pacific and in the Baltic Sea - an intercomparison study

Ulf Högström, Uppsala University, Uppsala, Sweden; and A. S. Smedman, A. Rutgersson, E. Sahlée, and E. Nilsson

Recorded Presentation

1:45 PM

J3.2

Swell and UVCN regimes- competing mechamisms influencing the exchange of scalars over the sea

Ann-Sofi Smedman, Uppsala University, Uppsala, Sweden; and E. Sahlee

Recorded Presentation

2:00 PM

J3.3

Improvement of the GEOS-5 AGCM upon updating the Air-Sea Roughness Parameterization

Chaim I. Garfinkel, Hebrew University, Jerusalem, Israel; and A. M. Molod, L. D. Oman, and I. S. Song

Recorded Presentation

J3.4

The Summer Atmospheric Boundary Layer in a Fjord in Svalbard

2:15 PM

J3.4A

Mesoscale Spatial Variability & COAMPS Evaluation Using Measurements from a Tower Network

Qing Wang, Naval Postgraduate School, Monterey, CA; and M. S. Peng, M. A. Ellis, and S. Wang

2:30 PM

J3.5

Modeling Wind Response to Fine-Scale SST Gradients

S. P. de Szoeke, Oregon State University, Corvallis, OR; and N. Perlin and D. B. Chelton

Recorded Presentation

2:45 PM

J3.6

Low layer wind shear over Dakar

Cheikh Sadibou Sow, ASECNA, Dakar-Yoff, Senegal, Senegal

Recorded Presentation Manuscript (281.9 kB)

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Session 3A

Boundary Layer Parameterizations in Models at All Scales: Part I

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: John M. Edwards, Met Office

3:30 PM

3A.1

On the development of a nonlinear subgrid-scale closure for large-eddy simulation of the atmospheric boundary layer

Hao Lu, University of Minnesota, Minneapolis, MN; and F. Porté-Agel

3:45 PM

3A.2

LES of passive scalar transport in ABL flow over fractal topography and evaluation of interfacial transfer coefficient relations

William Anderson, Baylor University, Waco, TX

Recorded Presentation

4:00 PM

3A.3

Multiscale Large Eddy Simulations of a convective offshore boundary layer: towards a mesoscale-LES coupling

Domingo Muñoz-Esparza Sr., von Karman Institute for Fluid Dynamics, Rhode-St-Genèse, Brussels, Belgium; and C. García-Sanchez, B. Canadillas, and J. van Beeck

Recorded Presentation

4:15 PM

3A.4

Representation of Boundary-Layer Moisture Transport in Cloud-Resolving Models

Chin-Hoh Moeng, NCAR, Boulder, CO; and A. Arakawa

Recorded Presentation

4:30 PM

3A.5

Stochastic eddy-diffusivity/mass-flux parameterization for moist convective boundary layers

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

Recorded Presentation

4:45 PM

3A.6

An eddy-diffusivity/mass-flux approach to the vertical transport of turbulent kinetic energy in convective boundary layers

Marcin Witek, JPL/California Institute of Technology, Pasadena, CA; and J. Teixeira and G. Matheou

Recorded Presentation

Session 3B

Stable Boundary Layers: Part III

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Albert A.M. Holtslag, Wageningen University

3:30 PM

3B.1

Towards the fourth GEWEX atmospheric boundary layer model intercomparison study (GABLS4): exploration of very stable conditions over an Antarctic ice shelf

Timo Vihma, Finnish Meteorological Institute, Helsinki, Finland; and T. Kilpeläinen, L. Rontu, P. S. Anderson, A. Orr, T. Phillips, K. Finkele, J. S. Rodrigo, A. A. M. Holtslag, and G. Svensson

Recorded Presentation

3:45 PM

3B.2

A preliminary study of the interaction between the snow surface layer and the boundary layer at Dome C (Antarctic plateau)

Eric Bazile, CNRM/GAME Météo-France/CNRS, Toulouse, France; and O. Traulle, H. Barral, and C. Genthon

Recorded Presentation

4:00 PM

3B.3

Unraveling the Role of Turbulent Mixing, Surface Coupling and Radiation in a Polar Stable Boundary Layer

H. A. M. Sterk, Wageningen University, Wageningen, Netherlands; and G. J. Steeneveld and A. A. M. Holtslag

Recorded Presentation

4:15 PM

3B.4

Parameterization issues of the turbulent exchange over snow and ice: from scalar roughness lengths to temperature-humidity correlation and similarity

Xiaofeng Guo, 1. Institute of Atmospheric Physics, Chinese Academy of Sciences (CAS); 2. ITP-CAS, Beijing, China; and K. Yang, W. Yang, S. Li, and L. Zhao

Recorded Presentation

4:30 PM

3B.5

The Critical Richardson Number and Limit of Applicability of Monin-Obukhov Similarity Theory in the Stable Atmospheric Boundary Layer

Andrey A. Grachev, CIRES, University of Colorado, and NOAA/ESRL, Boulder, Colorado; and E. L. Andreas, C. W. Fairall, P. S. Guest, and P. O. G. Persson

Recorded Presentation

4:45 PM

3B.6

Is the nocturnal atmospheric boundary layer chaotic?

Felipe D. Costa, Universidade Federal do Pampa, Alegrete, Brazil; and O. C. Acevedo and B. Blasius

Recorded Presentation

Joint Poster Session

Joint Posters

Location: Staffordshire (Westin Copley Place)

Hosts: (Joint between the 20th Symposium on Boundary Layers and Turbulence; and the 18th Conference on Air-Sea Interaction )

Chair: Leslie M. Hartten, CIRES/Univ. of Colorado and NOAA/ESRL/Physical Sciences Division

1

Multi-Scale Climate Processes and Rainfall Variability over the Maritime Continent of Southeast Asia

Jian-Hua (Joshua) Qian, University of Massachusetts, Lowell, MA

2

Estimating the energy released from a mesoscale oceanic eddy to the atmosphere from in situ vertical profiles of scalars

O. C. Acevedo, Universidade Federal de Santa Maria, Santa Maria, Brazil; and D. A. Arsego, R. B. Souza, and L. P. Pezzi

3

LES results of the EUCLIPSE Lagrangian stratocumulus to shallow cumulus transition cases

Stephan R. de Roode, Delft University of Technology, Delft, Netherlands; and I. Sandu, J. van der Dussen, A. S. Ackerman, P. N. Blossey, A. Lock, A. P. Siebesma, and B. Stevens

Manuscript (310.9 kB)

4

Uncertainties in Defining Cloud Fraction in Stratocumulus Clouds -- A Study Using Aircraft Measurements

Qing Wang, Naval Postgraduate School, Monterey, CA; and T. H. Kuo

5

COAMPS Marine Planetary Boundary Layer Validation Study

6

Boundary-layer drifting balloons for chemistry-dynamics studies in the Mediterranean region

Pierre Durand, Laboratoire d'Aérologie, University of Toulouse, CNRS, France, Toulouse, France; and J. L. Attié, C. Basdevant, F. Bernard, F. Dulac, F. Gheusi, F. Lohou, M. Lothon, M. Mallet, J. B. Renard, and N. Verdier

Manuscript (1.5 MB)

Handout (2.7 MB)

7

The aspects of the ABL during the onset of the rainy season in southeast Brazil

Gilberto Fisch, Institute of Aeronautics and Space, São José dos Campos, São Paulo, Brazil; and L. Machado

8

Observational study on the characteristics of sea-land breezes in South Korea

Geun-Hoi Kim, Korea Meteorological Administration, Seoul, Korea, Republic of (South); and Y. S. Park, T. H. Kwon, and Y. J. Choi

9

Global Distribution and Seasonal Variability of Low-Level Coastal Jets derived from ERA-Interim Reanalysis

10

Low-level climatological wind fields over the La Plata River region of South America synthesized with a mesoscale boundary-layer numerical model

Guillermo Jorge Berri, Servicio Meteorologico Nacional, Buenos Aires, Argentina; and G. Muller and L. Sraibman

Handout (592.2 kB)

11

Using Multiple Instruments to Better Understand Wind Profiler Observations of the Stratocumulus-Topped Marine Boundary Layer

Leslie M. Hartten, CIRES/Univ. of Colorado and NOAA/ESRL/Physical Sciences Division, Boulder, CO; and A. J. Piña, J. Lujan, P. E. Johnston, and L. Bianco

Handout (18.5 MB)

12

Mesoscale Spatial Variability and COAMPS Evaluation Using Measurements from a Tower Network

Qing Wang, Naval Postgraduate School, Monterey, CA; and M. Peng, M. A. Ellis, and S. Wang

13

High Resolution Urban Air Quality Modeling with an Immersed Boundary Method in WRF

David J. Wiersema, University of California, Berkeley, Berkeley, CA; and K. A. Lundquist, P. T. Martien, T. Rivard, and F. K. Chow

Handout (18.6 MB)

Poster Session

Boundary Layers and Turbulence Posters

Location: Staffordshire (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Leslie M. Hartten, CIRES/Univ. of Colorado and NOAA/ESRL/Physical Sciences Division

Monitoring atmospheric turbulence with the ATOMMS active sounding system

14

Detection of turbulence aloft by infrasonic wind noise measurements on the ground

Jericho Cain, The University of Mississippi, Lafayette, MS

Handout (296.1 kB)

15

Low atmosphere flow at the Alcântara Space Center

Luiz E. Medeiros, Universidade Federal de Santa Maria - UFSM, Santa Maria, Rio Grande do Su, Brazil; and G. Fisch

Handout (6.2 MB)

16

Observation of energy fluxes near a river in South Korea

Young-San Park, Korea Meteorological Administration, Seoul, Korea, Republic of (South); and K. Kahng, T. H. Kwon, M. Kim, and Y. J. Choi

17

Large Wind Farm Wake Impacts: Estimates from Turbine Data, Meteorological Tower Data, and WRF Model Runs

Robert Conzemius, Windlogics, Inc., Grand Rapids, MN; and L. M. Sheridan, J. L. Eastman, and D. A. Moon

18

Boundary-layer structure of fronts observed in Helsinki, Finland

Victoria A. Sinclair, University of Helsinki, Helsinki, Uusimaa, Finland

19

Combining Lidar and Radon-222 to Measure Mixing Height

Alan D. Griffiths, Australian Nuclear Science and Technology Organisation, Sydney, NSW, Australia; and A. G. Williams, S. D. Chambers, S. D. Parkes, and M. F. McCabe

Handout (4.0 MB)

20

Modelling of the Diurnal Cycle in the Lower Atmosphere over Land: a Joint Evaluation of Four Contrasted Regimes

Fleur Couvreux, Météo France, Toulouse, France; and A. Gounou, F. Guichard, and D. Bouniol

21

Boundary Layer Processes before the Initiation of Convection over Land in Semi-Arid Conditions analysed in Large-Eddy Simulations

Fleur Couvreux, Météo France, Toulouse, France; and F. Guichard, M. Lothon, G. Canut, and D. Westra

22

Initiation of deep convection during the early -monsoon sahelian convective boundary layer: an observational study

Cheikh Dione, Cheikh Anta Diop University, Campistrous, France; and M. Lothon, B. Campistron, F. Couvreux, F. Guichard, D. Badiane, and S. M. Sall

Manuscript (4.0 MB)

Handout (2.7 MB)

23

Role of residual layer and large-scale phenomena on the evolution of the boundary layer

Estel Blay, BarcelonaTech (UPC), Castelldefels, Spain; and D. Pino, J. Vilà, A. van de Boer, O. de Coster, I. Faloona, O. Garrouste, O. K. Hartogensis, M. Jonassen, D. Legain, F. Lohou, M. Lothon, H. Pietersen, C. Román-Cascón, J. Reuder, F. Said, M. Sastre, O. Traulle, and C. Yagüe

Handout (6.1 MB)

24

Large eddy simulations of boundary layer turbulence during late afternoon transition

Clara Darbieu, Laboratoire d'Aerologie, University of Toulouse, CNRS, France, Campistrous, France; and F. Lohou, F. Couvreux, M. Lothon, P. Durand, F. Guichard, and E. G. Patton

Manuscript (274.5 kB)

Handout (511.3 kB)

25

Turbulent kinetic energy decay in the late afternoon over heterogeneous surface

Clara Darbieu, Laboratoire d'Aerologie, University of Toulouse, CNRS, France, Campistrous, France; and F. Lohou, M. Lothon, D. C. Alexander, G. Canut, O. de Coster, S. Derrien, C. Dione, P. Durand, D. Legain, E. Pardyjak, H. Pietersen, B. Piguet, E. Pique, and O. Traullé

Manuscript (1.3 MB)

Handout (1.1 MB)

26

Statistical and Synoptically Study of Dense Fog Event in Rasht Airport

Foroozan Arkian, Islamic Azad Univ. North Tehran Branch, Tehran, Iran; and T. Saberi

27

Air-ice interaction on the Larsen Ice Shelf during a westerly foehn event across the Antarctic Peninsula

Andrew D. Elvidge, University of East Anglia, Norwich, United Kingdom; and I. A. Renfrew

28

Wave-like Events detected from Microbarometers Measurements during BLLAST campaign

Carlos Román-Cascón, University Complutense of Madrid (UCM), Madrid, Spain, Spain; and C. Yagüe, M. Sastre, G. Maqueda, J. Reuder, M. Lothon, F. Said, J. Cuxart, D. Martinez, and F. Molinos

Manuscript (1.3 MB)

Handout (1.7 MB)

29

Towards a climatology of orographic induced wave drag in the stable boundary layer over real terrain

Michal Adam Kleczek, Wageningen University, Wageningen, Netherlands; and G. J. Steeneveld, C. J. Nappo, and A. A. M. Holtslag

Handout (966.3 kB)

30

Coherent Structures in Weakly Stable Boundary Layers: Results from Fine Mesh LES

31

Low-level jets and shear-sheltering theory: experimental results from Oklahoma, USA

32

Gravity Waves Within and Above a Subalpine Forest in Complex Terrain

Sean P. Burns, NCAR, Boulder, CO; and J. Sun, S. P. Oncley, D. H. Lenschow, and P. D. Blanken

33

Lidar observations of fine-scale atmospheric gravity waves in the nocturnal boundary layer above an orchard canopy

Tyson N. Randall, California State University Chico, Chico, CA; and E. R. Jachens and S. D. Mayor

Manuscript (2.2 MB)

Handout (8.1 MB)

34

Nonstationary and Intermittent Turbulence in the Stable Surface Layer: a Perspective from the Hilbert-Huang Transform

Heping Liu, Washington State University, Pullman, WA

35

Franciano S. Puhales, Instituto Federal Farroupilha - Campus Júlio de Castilhos, Júlio de Castilhos, Rio Grande do Su, Brazil; and G. A. Degrazia, U. Rizza, and O. C. Acevedo

36

Analysis of Two Turbulence Forecast Indices Using Pattern Recognition And Eddy Dissipation Rate

Rick DiMaio, Lewis University, Romeoville, IL

37

Analysis of Satellite Signatures, Pattern Recognition, and Eddy Dissipation Rate In Determining Potential Areas of Convectively Induced Turbulence

Rick DiMaio, Lewis University, Romeoville, IL

38

On the Sensitivity of Wind and Temperature in the PBL and Roughness Sub-Layer to Canopy and Fire Properties

Michael T. Kiefer, Michigan State University, East Lansing, MI; and W. E. Heilman, S. Zhong, J. J. Charney, and X. Bian

Handout (3.8 MB)

Poster 39 has been moved. New paper number is 4.3A.

Poster 40 has been moved. New paper number is 4.1A.

41

Evaluation of entrainment velocity from a First-order model and a Zero-order model with Large-eddy simulations and observations

Guylaine Canut, CNRM, Toulouse, France; and F. Couvreux, M. Lothon, D. Pino, and F. Saïd

Handout (880.7 kB)

42

Simple Solutions to Equilibrium Cumulus Regimes in the Convective Boundary Layer

Jerôme Schalkwijk, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker and A. P. Siebesma

Manuscript (312.2 kB)

Handout (1.2 MB)

43

Recent changes to the PBL scheme in GEM

Jocelyn Mailhot, EC, Dorval, QC, Canada; and A. Zadra and R. McTaggart-Cowan

44

Application of a dynamic drag model in LES of atmospheric boundary layer flow over fluvial-like, fractal topography

William Anderson, University of Texas at Dallas, Richardson, TX; and P. Passalacqua

45

Assessment of a coupled momentum and passive scalar flux subgrid-scale turbulence model for large-eddy simulation of flow in the planetary boundary layer

Rica Mae Enriquez, Stanford University, Stanford, CA; and R. L. Street and F. L. Ludwig

Manuscript (2.6 MB)

Handout (5.5 MB)

46

Evaluation of subgrid-scale models in large-eddy simulation of flow past a two-dimensional block

Wai-Chi Cheng, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland; and F. Porté-Agel

47

Model Responses to Sub−Filter Scale (SFS) Topographic Information

Patrick Hawbecker, Texas Tech University, Lubbock, TX; and S. L. Kang, B. Kosovic, and T. Hopson

48

Comparison between single column model simulations to observations taken at a very stable site

Moacir Schmengler, Universidade Federal de Santa Maria, Santa Maria, Brazil; and F. D. Costa and O. C. Acevedo

49

Temporal Oscillations of Low−level Horizontal Winds Induced by Two-dimensional Surface Heat Flux Heterogeneity

Song−Lak Kang, Texas Tech University, Lubbock, TX; and D. Lenschow

50

High-Resolution Simulation of Observed Downburst Events

Jeff Craft, North Carolina State University, Raleigh, NC; and S. Basu

51

Wind-tunnel Experiments of Scalar Transport in Aligned and Staggered Wind Farms

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

52

Large-eddy simulation of the neutral planetary boundary layer with a capping inversion over a very large wind farm

Mahdi Abkar, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland; and F. Porté-Agel

53

Wind Turbine Wakes and Wind Farm Performance: a Wind Tunnel Study

Giacomo Valerio Iungo, University of Texas Dallas, Richardson, TX; and J. Coëffé and F. Porté-Agel

54

The Modification of Wind Turbine Performance by Statistically-Distinct Atmospheric Regimes

Brian Joseph Vanderwende, Univ. of Colorado, Boulder, CO; and J. K. Lundquist

55

On the impact of wind farms on a convective atmospheric boundary layer – a large-eddy simulation study

Hao Lu, University of Minnesota, Minneapolis, MN; and F. Porté-Agel

56

Simulation of wind turbine wakes observed during the Turbine Wake and Inflow Characterization Study (TWICS) using an actuator disk parameterization implemented into the Weather Research and Forecasting Model

Jeffrey D. Mirocha, LLNL, Livermore, CA; and B. Kosovic

57

The Effect of Wind Turbine Wakes on Summertime U.S. Great Plains Atmospheric Wind Profiles as Observed with Ground Based Doppler LIDAR

Julie K. Lundquist, University of Colorado, Boulder, CO; and M. E. Rhodes

58

KITcube – A Complete Observation System for the Troposphere

Katja Träumner, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany; and N. Kalthoff, U. Corsmeier, A. Wieser, and C. Kottmeier

Handout (2.3 MB)

Registration Opens and Continues through the Hours of the Conference

Location: 3rd Floor Foyer (Westin Copley Place)

Session 4

Boundary Layer Processes: Scalar Transport and Dispersion

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Cheryl Klipp, U.S. Army Research Laboratory

4.1

An Airborne Study of Methane Point Source Dispersion And Mixed Layer Scaling

8:30 AM

4.1A

Understanding and representing the effect of wind shear on the turbulent transfer in the convective boundary layer

R. J. Ronda, Wageningen University, Wageningen, Netherlands; and J. Vilà and D. Pino

Recorded Presentation

8:45 AM

4.2

A Large-Eddy Simulation Study of Dispersion of Particles Released within a Plant Canopy

Ying Pan, The Pennsylvania State University, University Park, PA; and M. Chamecki, S. C. Gleicher, and S. A. Isard

Recorded Presentation

4.3

Biology Meets Turbulence: Effects of Convective Eddies on Pollen Dispersion and Viability

9:00 AM

4.3A

WRF simulations in Urban Environments in Support of Trace Gas Dispersion Modeling

Thomas Nehrkorn, AER, Lexington, MA; and J. Henderson, M. Leidner, M. Mountain, and J. Hegarty

Recorded Presentation

9:15 AM

4.4

Modeling the Diurnal Cycle of Conserved and Reactive Species in the Convective Boundary Layer

Donald H. Lenschow, NCAR, Boulder, CO; and D. Gurarie and E. G. Patton

Recorded Presentation

9:30 AM

4.5

Directly observing boundary layer trajectories in the Eastern Amazon

David R. Fitzjarrald, SUNY, Albany, NY; and P. Voss, J. C. P. Cohen, and L. Machado

Recorded Presentation

9:45 AM

4.6

Regional Circulations Affecting Local Air Quality During DISCOVER-AQ

Richard D. Clark, Millersville University, Millersville, PA; and L. Blank, M. Charnick, E. Dolinar, P. Falgoust, S. Kacelowicz, G. Mazucca, R. Pauly, C. Prebish, D. K. Martins, R. M. Stauffer, H. S. Halliday, A. M. Thompson, W. Sluis, K. E. Pickering, R. C. Cohen, and A. J. Weinheimer

Recorded Presentation

Joint Session 4

Theoretical and Practical Issues Associated with Multi-scale Simulations

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 20th Symposium on Boundary Layers and Turbulence; and the 18th Conference on Air-Sea Interaction )

Chair: Jeffrey D. Mirocha, LLNL

8:30 AM

J4.1

Estimating the Higher-Order Turbulence Statistics from LES-Generated Atmospheric Boundary Layer Flow Fields

Christopher G. Nunalee, North Carolina State University, Raleigh, NC; and S. Basu

8:45 AM

J4.2

GPU-resident Atmospheric Large Eddy Simulations: Predicting the Weather on Small Scales

Jerôme Schalkwijk, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker and A. P. Siebesma

9:00 AM

J4.3

Large-eddy simulation across a grid refinement interface using explicit filtering and reconstruction

Lauren E. Goodfriend, UC Berkeley, Berkeley, CA; and F. K. Chow, M. Vanella, and E. Balaras

Handout (1.9 MB)

9:15 AM

J4.4

Marine Atmospheric Turbulence Coupled to Time-varying Three-dimensional Surface Water Waves: Results from LES

Peter P. Sullivan, NCAR, Boulder, CO; and T. Hristov and E. G. Patton

9:30 AM

J4.5

Examination of the challenges to one-way nesting of large-eddy simulations using the Weather Research and Forecasting Model

Jeffrey D. Mirocha, LLNL, Livermore, CA; and B. Kosovic and G. Kirkil

9:45 AM

J4.6

Toward High-resolution Multiscale Simulations of Flows in Heterogeneous Atmospheric Boundary Layers

B. Kosovic, NCAR, Boulder, CO; and J. D. Mirocha

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Joint Session 5

BLT Keynote and Award Presentation

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 20th Symposium on Boundary Layers and Turbulence; and the 18th Conference on Air-Sea Interaction )

Chair: Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL

10:30 AM

Fofonoff award presentation

10:45 AM

J5.1

"Turbulence" with Very Weak Winds and Stable Stratification

Larry Mahrt, NorthWest Research Associates, Inc., Corvallis, OR

Recorded Presentation

Lunch Break

Session 5A

Boundary Layer Parameterizations of Models at All Scales: Part II

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: B. Kosovic, NCAR

1:30 PM

5A.1

Coupling the Community Atmosphere Model with a Higher-Order Turbulence Closure

Peter A. Bogenschutz, NCAR, Boulder, CO; and A. Gettelman, H. Morrison, V. E. Larson, D. P. Schannen, N. R. Meyer, and C. Craig

Recorded Presentation

1:45 PM

5A.2

A Higher-order Turbulence Closure Incorporated with Prognostic Planetary Boundary-Layer Height for Use in Climate Models

Anning Cheng, SSAI, Inc., Hampton, VA; and K. M. Xu

Recorded Presentation

2:00 PM

5A.3

Large-eddy simulation of stable ABLs to develop better turbulence closures for climate and weather models

Elie Bou-Zeid, Princeton University, Princeton, NJ; and J. Huang and J. C. Golaz

Recorded Presentation

2:15 PM

5A.4

Introducing the impact of surface waves on the atmosphere in a coupled wave-atmosphere regional climate model

Anna Rutgersson, Uppsala University, Uppsala, Sweden; and E. Nilsson

Recorded Presentation

2:30 PM

5A.5

Air-sea fluxes in numerical modelling of Tropical Cyclones: effects of surface drag and spray route on storm track, intensity and rapid intensification process

Yimin Ma, CAWCR, Melbourne, Vic., Australia; and N. E. Davidson and Y. xiao

2:45 PM

5A.6

On the Drag and Heat Transfer Coefficients over the Tibetan Plateau

Zhiqiu Gao, Institute of Atmospheric Physics, Beijing, China; and Y. Gao

Recorded Presentation

Session 5B

Boundary Layer Processes: Numerical Modeling

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Fleur Couvreux, Météo France

1:30 PM

5B.1

Simulating the diurnal cycle of the atmospheric boundary layer using large eddy simulation with vertical adaptive mesh refinement

Nathan Andrews, University of Utah, Salt Lake City, UT; and R. Stoll

Recorded Presentation

1:45 PM

5B.2

Investigations of structure parameters and their similarity relationships in the convective boundary layer by means of large-eddy simulations and comparison with measurement data

Björn Maronga, Leibniz Universität Hannover, Hannover, Germany; and A. F. Moene, D. van Dinther, and S. Raasch

Recorded Presentation

2:00 PM

5B.3

Comparison of convective boundary layer velocity spectra calculated from large eddy simulation and WRF model data

Jeremy A. Gibbs, University of Utah, Salt Lake City, UT; and E. Fedorovich

Recorded Presentation

2:15 PM

5B.4

Direct evaluation of scalar and velocity structure functions in the atmospheric convective boundary layer from large eddy simulation output

Chris Wilson, University of Oklahoma, Norman, OK; and E. Fedorovich

2:30 PM

5B.5

Evaluation of boundary-layer type in weather forecast models using long-term Doppler lidar observations

Natalie J. Harvey, University of Reading, Reading, Berkshire, United Kingdom; and R. J. Hogan and H. F. Dacre

Recorded Presentation

2:45 PM

5B.6

Mesoscale modelling of Low Level Jets in the North Sea

Domingo Muñoz-Esparza Sr., von Karman Institute for Fluid Dynamics, Rhode-St-Genèse, Brussels, Belgium; and B. Canadillas and J. van Beeck

Recorded Presentation

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Session 6A

Boundary Layer Parameterizations in Models at All Scales: Part III

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: David Pino, BarcelonaTech (UPC)

3:30 PM

6A.1

Why do Stable Boundary Layer Simulations over Land Sometimes “Crash”?

Sukanta Basu, North Carolina State University, Raleigh, NC; and A. A. M. Holtslag

Recorded Presentation

3:45 PM

6A.2

Guillermo Araya, Texas Tech University, Lubbock, TX; and L. Castillo, A. Ruiz-Columbie, J. Schroeder, and S. Basu

Recorded Presentation Manuscript (497.3 kB)

4:00 PM

6A.3

Which turbulence in atmospheric models at the kilometric scale ?

Rachel Honnert, Météo France, Toulouse, France; and V. Masson and F. Couvreux

Manuscript (1.2 MB)

4:15 PM

6A.4

The Total Energy -- Mass Flux PBL scheme: Behavior in stable and transitional conditions

Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL, Boulder, CO

Recorded Presentation

4:30 PM

6A.5

Parametrization of the Reproduction of a Representative Atmospheric Boundary Layer in the Wind Tunnel

Boris Conan, von Karman Institute for Fluid Dynamics, Rhode-Saint-Genèse, Belgium; and J. van Beeck and S. Aubrun

Recorded Presentation

4:45 PM

6A.6

An investigation of simulated boundary layer winds in low-level jet cases observed during the Wind Forecast Improvement Project

Joseph B. Olson, NOAA/CIRES, Boulder, CO; and J. M. Brown, J. M. Wilczak, R. M. Banta, and Y. L. Pichugina

Recorded Presentation

5:00 PM

6A.7

Evaluation and improvement of the WRF mesoscale model for the stable boundary layer and the representation of the low level jet

Michal Adam Kleczek, Wageningen University, Wageningen, Netherlands; and G. J. Steeneveld and A. A. M. Holtslag

Recorded Presentation

5:15 PM

6A.8

The effect of boundary-layer parametrization schemes on the structure and dynamics of an idealized cold front simulated with WRF

Victoria A. Sinclair, University of Helsinki, Helsinki, Uusimaa, Finland; and D. Keyser

Recorded Presentation

Session 6B

Boundary Layer Processes: Observations

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Donald H. Lenschow, NCAR

3:30 PM

6B.1

A new method to observe one minute interval Water vapor and Carbon-dioxide fluxes using Scintillometry and scalar turbulence measurements

Bram Van Kesteren, Wageningen University, Wageningen, Netherlands; and O. Hartogensis, D. van Dinther, A. Moene, A. Graf, and A. A. M. Holtslag

Recorded Presentation

3:45 PM

6B.2

Turbulence measurements with the micro-UAS SUMO - Technical developments and first applications

Joachim Reuder, Geophysical Institute, University of Bergen, Bergen, Norway; and M. O. Jonassen and L. Båserud

Recorded Presentation

4:00 PM

6B.3

Characteristics of Coherent Structures in the Atmospheric Surface Layer Obtained by the KIT Dual-Doppler Lidar System

Katja Träumner, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany; and C. Stawiarski, C. Knigge, and R. Calhoun

Recorded Presentation

4:15 PM

6B.4

Assessment of local thermal heterogeneity of flux sites during the LITFASS-2003-experiment from airborne infrared imagery

Frank Beyrich, German Meteorological Service, Lindenberg, Germany; and J. P. Leps, J. Bange, and Y. Breitenbach

4:30 PM

6B.5

An algorithm for denoising and gap filling of sodar wind data based on the statistical learning theory

Velayudhan Praju Kiliyanpilakkil, North Carolina State University, Raleigh, NC, Raleigh, NC; and S. Basu

Recorded Presentation

4:45 PM

6B.6

Crosswind from a Single Aperture Scintillometer Using Spectral Techniques

Danielle van Dinther, Wageningen University, Wageningen, Netherlands; and O. K. Hartogensis and A. F. Moene

Recorded Presentation

5:00 PM

6B.7

Analysis of Airflow Characteristics above a Small Agricultural Reservoir: An Evaluation of the Potential for Determining Energy Fluxes using Eddy Covariance and Scintillometry

Ryan Patrick McGloin, University of Queensland, Brisbane, Australia; and H. A. McGowan, D. L. David McJannet, F. J. Cook, and S. Burn

Recorded Presentation

5:15 PM

6B.8

Stability and turbulence in the atmospheric boundary layer: A comparison of remote sensing and tower observations

Katja Friedrich, University of Colorado, Boulder, CO; and J. K. Lundquist, M. Aitken, E. A. Kalina, and R. F. Marshall

Recorded Presentation

Poster Session

Second Viewing of BLT Posters (see Monday's program for complete listing of BLT Posters)

Location: Staffordshire (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Leslie M. Hartten, CIRES/Univ. of Colorado and NOAA/ESRL/Physical Sciences Division

Joint Poster Session

Second Viewing of Joint Posters (see Monday's program for complete listing of Joint Posters)

Location: Staffordshire (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Leslie M. Hartten, CIRES/Univ. of Colorado and NOAA/ESRL/Physical Sciences Division

Registration Opens and Continues through the Hours of the Conference

Location: 3rd Floor Foyer (Westin Copley Place)

Joint Session 6

Dynamics of the Madden-Julian Oscillation (DYNAMO) international field campaign: Overview and ASI Keynote Speech

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 18th Conference on Air-Sea Interaction; and the 20th Symposium on Boundary Layers and Turbulence )

Chair: R. Justin Small, NCAR

8:30 AM

J6.1

Air-Sea Keynote Presentation: Air-Sea Interaction and Coupled Boundary Layer Response during the DYNAMO program

James B. Edson, University of Connecticut, Groton, CT

Recorded Presentation

9:00 AM

J6.2

The DYNAMO Field Campaign

Chidong Zhang, Univ. of Miami/RSMAS, Miami, FL

Recorded Presentation

9:15 AM

J6.3

Multiscale Variability of the Atmospheric Mixed Layer during DYNAMO

Richard H. Johnson, Colorado State University, Fort Collins, CO; and P. E. Ciesielski

Recorded Presentation

9:30 AM

J6.4

Measurements of the Atmospheric Boundary Layer and Upper Ocean from the NOAA WP-3D in DYNAMO

Qing Wang, Naval Postgraduate School, Monterey, CA; and D. Khelif, D. P. Trampp, R. C. Cherrett, D. P. Jorgensen, I. T. Sears, and J. Williams

Recorded Presentation

9:45 AM

J6.5

Temporal variations of oceanic surface layer and atmospheric profiles in the southern equatorial Indian Ocean during CINDY/DYNAMO

Masaki Katsumata, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa, Japan; and K. Yoneyama, A. Seiki, and A. Kurotaki

Recorded Presentation

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Joint Session 7

Dynamics of the Madden-Julian Oscillation (DYNAMO) international field campaign: Surface processes

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 18th Conference on Air-Sea Interaction; and the 20th Symposium on Boundary Layers and Turbulence )

Chair: Qing Wang, Naval Postgraduate School

10:30 AM

J7.1

Ship-based Observations of Cloud Surface Radiative Forcing during the Dynamics of the Madden-Julian Oscillation (DYNAMO) Field Program

Christopher W. Fairall, NOAA/ESRL, Boulder, CO; and S. P. de Szoeke, J. B. Edson, C. J. Zappa, A. Brewer, D. Wolfe, L. Bariteau, and S. Pezoa

Recorded Presentation Manuscript (809.1 kB)

10:45 AM

J7.2

Breaking Waves, Bubbles, and Mixed Layer Turbulence at the Equator

Jerome A. Smith, SIO/Univ. Of California, La Jolla, CA; and S. T. Nguyen, T. N. Huusen, and R. Pinkel

11:00 AM

J7.3

Air-sea Energy Fluxes including Eddy-covariance Fluxes during CINDY/DYNAMO

Osamu Tsukamoto, Okayama University, JAPAN, Okayama, Japan; and H. Ueno and F. Kondo

Recorded Presentation

11:15 AM

J7.4

Intraseasonal to convective air-sea fluxes in DYNAMO

S. P. de Szoeke, Oregon State University, Corvallis, OR; and A. W. Brewer, C. W. Fairall, J. B. Edson, J. Marion, and L. Bariteau

Recorded Presentation

11:30 AM

J7.5

Relationships among intraseasonal air-sea fluxes, rainfall, and SSTs in the NCEP CFSR and CFSv2 forecast during the DYNAMO period

Wanqiu Wang, NOAA/NWS/NCEP, Camp Springs, MD; and M. P. Hung, S. Weaver, A. Kumar, L. Zhang, and X. Fu

Recorded Presentation

11:45 AM

J7.6

Convective outflow and air-sea interaction during DYNAMO: Large-eddy simulation results

Eric Skyllingstad, Oregon State Univ., Corvallis, OR; and S. deSzoeke

Lunch Break

Session 7

Boundary Layers Over Complex Terrain

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Rob Stoll, University of Utah

1:30 PM

7.1

Partial Removal of Stable Boundary Layers in an Urbanized Mountain Basin

Neil P. Lareau, University of Utah, Salt Lake City, UT; and J. D. Horel

Recorded Presentation

1:45 PM

7.2

Boundary layer evolution during a cold pool episode in a mountain valley – a case study

Sharon Zhong, Michigan State Univ., East Lansing, MI; and W. Lu

Recorded Presentation

2:00 PM

7.3

COLPEX: Cold air pooling in small-scale valleys

Andrew N. Ross, University of Leeds, Leeds, West Yorkshire, United Kingdom; and J. Hughes, S. Vosper, J. Price, B. Jemmett-Smith, and A. Lock

Recorded Presentation

2:15 PM

7.4

Climatological analysis of simulations of cold air pooling from the COLPEX Campaign

John Hughes, University of Leeds, Leeds, West Yorkshire, United Kingdom; and A. N. Ross, S. Vosper, B. Jemmett-Smith, and A. Lock

Recorded Presentation

2:30 PM

7.5

Wind sheltering of small lakes by complex terrain

Corey D. Markfort, University of Minnesota, Minneapolis, MN; and E. L. Resseger, W. Zhang, F. Porté-Agel, and H. G. Stefan

Manuscript (3.4 MB)

2:45 PM

7.6

A numerical study of turbulence structure inside a small basin

Marwan Katurji, Michigan State University, East Lansing, MI; and S. Zhong and M. T. Kiefer

Recorded Presentation

Joint Session 8

Dynamics of the Madden-Julian Oscillation (DYNAMO) international field campaign: Sea surface and upper ocean

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 18th Conference on Air-Sea Interaction; and the 20th Symposium on Boundary Layers and Turbulence )

Chair: Jeff Hare, JIMAR, University of Hawaii

1:30 PM

J8.1

Oceanic Variability during the CINDY/DYNAMO Field Campaign from Satellite Observations

Toshiaki Shinoda, NRL, Stennis Space Center, MS; and T. Jensen, M. Flatau, S. Chen, W. Han, C. Wang, and L. Zamudio

1:45 PM

J8.2

Rapid Acceleration of the Wyrtki Jet in the Central Indian Ocean by a Cyclone-Assisted Wind Burst Embedded withn an MJO Event

James N. Moum, College of Earth, Ocean & Atmospheric Sciences, Oregon State University, Corvallis, OR; and W. D. Smyth, J. B. Edson, S. P. DeSzoeke, and C. W. Fairall

Recorded Presentation

Handout (3.6 MB)

2:00 PM

J8.3

The development of the diurnal warm layer and the ocean mixed layer during different phases of MJO, as observed by the iRobot Sea Glider

Dariusz B. Baranowski, University of Warsaw, Warsaw, Poland; and M. Flatau, A. Matthews, S. Chen, T. Jensen, and T. Shinoda

Recorded Presentation

2:15 PM

J8.4

Characterizing Upper Ocean Characteristics of the Tropical Indian Ocean Using AXBT/AXCTD Measurements

David P. Trampp, NPS, Monterey, CA; and R. C. Cherrett and Q. Wang

Recorded Presentation

2:30 PM

J8.5

Controls on SST in the southern tropical Indian Ocean: results from CINDY2011

Kelvin Richards, Univ. of Hawaii at Manoa, Honolulu, HI; and A. Natarov, K. Yoneyama, and M. Katsumata

Recorded Presentation

2:45 PM

J8.6

Ocean Skin Temperature Variability during Active and Suppressed Phases of an MJO

Christopher J. Zappa, Columbia University, Palisades, NY; and S. Brown, S. S. Chen, D. P. Jorgensen, D. Khelif, and Q. Wang

Recorded Presentation

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Joint Session 9

Dynamics of the Madden-Julian Oscillation (DYNAMO) international field campaign: Atmospheric boundary layers

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 18th Conference on Air-Sea Interaction; and the 20th Symposium on Boundary Layers and Turbulence )

Chair: Simon DeSzoeke, College of Oceanic & Atmospheric Sciences, Oregon State University

3:30 PM

J9.1

Statistics of Atmospheric Boundary Layer Winds and Turbulence from Ship Based Doppler Lidar Measurements made during DYNAMO

W. Alan Brewer, NOAA/ESRL, Boulder, CO; and C. W. Fairall and S. P. de Szoeke

Recorded Presentation

3:45 PM

J9.2

The Effects of a Small Island on Marine Boundary Layers

Eric L. Daley, NPS, Monterey, CA; and Q. Wang, S. Wang, D. Khelif, S. A. Cohn, W. O. Brown, and J. Wang

Recorded Presentation

4:00 PM

J9.3

Coupled Observations and Convectively Induced Air-Sea Interaction in DYNAMO

Shuyi S. Chen, Univ. of Miami/RSMAS, Miami, FL; and B. Kerns, C. Lee, F. Judt, and E. Ryan

Recorded Presentation

4:15 PM

J9.4

A wind-partitioning analysis of the role of evaporation and horizontal moisture advection in the onset and evolution of the MJO

Ángel F. Adames-Corraliza, University of Washington, Seattle, WA; and J. Patoux and R. C. Foster

Recorded Presentation Manuscript (2.8 MB)

4:30 PM

J9.5

Comparison of Model Simulated and Observed Ocean Feedback during Dynamics of the Madden-Julian Oscillation (DYNAMO)

Sue Chen, NRL, Monterey, CA; and C. W. Fairall, M. Flatau, T. Jensen, J. Cummings, and T. Shinoda

Recorded Presentation

Session 8

Boundary Layers in Urban Canopy and Over Heterogeneous Surfaces

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Joseph B. Olson, NOAA/CIRES

3:30 PM

8.1

Urban Heat Island: Modeling, Sensing and Mitigation Strategies

Dan Li, Princeton University, Princeton, NJ; and E. Bou-Zeid

Recorded Presentation

3:45 PM

8.2

Understanding the influence of surface composition and properties on surface fluxes in urban areas

Prathap Ramamurthy, The City College of New York, New York, NY; and E. Bou-Zeid, Z. H. Wang, J. Smith, C. Welty, J. Hom, and N. Saliendra

Recorded Presentation

4:00 PM

8.3

Green roofs: determinants of thermal performance and impact on the local urban microclimate

Ting Sun, Princeton University, Princeton, NJ; and E. Zerba, E. Bou-Zeid, and G. Ni

Recorded Presentation

4:15 PM

8.4

Scale interactions in an urban-like boundary layer : a wind tunnel study

Cédric Rivet, LUNAM Université, Ecole Centrale de Nantes, Nantes, France; and L. Perret and J. M. Rosant

Manuscript (3.7 MB)

4:30 PM

8.5

Virtual flight measurements regarding the mixing state of the convective boundary layer during LITFASS-2003 – An LES study

Matthias Sühring, Institut für Meteorologie und Klimatologie, Leibniz Universität Hannover, Hannover, Germany, Germany; and S. Raasch

Recorded Presentation

4:45 PM

8.6

Quantification of the effect of surface heterogeneity on scalar variance similarity

Anneke van De Boer, University Bonn, Bonn, Germany; and A. F. Moene, A. Graf, D. Schüttemeyer, and O. K. Hartogensis

Recorded Presentation

5:00 PM

8.7

A scheme for assessment of quality and uncertainty for long-term eddy-covariance measurements

Clemens Drüe, Universität Trier, Trier, Germany; and M. Mauder, M. Cuntz, A. Graf, C. Rebmann, H. P. Schmid, M. Schmidt, and R. Steinbrecher

5:15 PM

8.8

Thermal stability effects on the separated flow over a steep 2-D hill

Wei Zhang, Cleveland State University, Cleveland, OH; and F. Porté-Agel

Registration Opens and Continues through the Hours of the Conference

Location: 3rd Floor Foyer (Westin Copley Place)

Session 9A

Boundary Layer Processes: impact of forcings on dynamics and budgets

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Arnold F. Moene, Wageningen University

8:30 AM

9A.1

Uncertainties in the CO₂ buget associated to boundary layer dynamics and CO₂-advection

Jukka-Pekka Kaikkonen, Aalto University, Aalto, Finland; and D. Pino and J. Vilà

Recorded Presentation

8:45 AM

9A.2

Eddy-covariance and chamber measured GHG emissions from commercial cornfield

Junming Wang, Tennessee State University, Nashville, TN; and D. Hui, S. Dennis, E. Nwaneri, A. Islam, D. Smart, and C. Stockert

Recorded Presentation Manuscript (1.2 MB)

Handout (1.2 MB)

9:00 AM

9A.3

Impact of aerosol heat radiation absorption on the dynamics of an atmospheric boundary layer in equilibrium

Eduardo Barbaro, Wageningen University, Wageningen, Netherlands; and J. Vilà, M. C. Krol, and A. A. M. Holtslag

Recorded Presentation

9:15 AM

9A.4

Exploring the Impacts of Soil Moisture/Temperature Variation on Atmospheric Boundary Layer from a Turbulent Mechanism Perspective

Yue Zheng, Purdue University, West Lafayette, IN; and D. Niyogi and N. A. Brunsell

Recorded Presentation

9:30 AM

9A.5

The Effect of cloud shadows on coherent structures and secondary circulations in the convective boundary layer over homogeneous and heterogeneous terrain

Sonja Drüke, Institut für Meteorologie und Klimatologie, Leibniz Universität Hannover, Hannover, Germany, Germany; and M. Sühring, B. Maronga, and S. Raasch

Recorded Presentation

9:45 AM

9A.6

The effect of surface heatflux heterogeneities on the mixed-layer top entrainment

Florian Herbort, Leibniz Universität Hannover, Hannover, Germany; and B. Maronga, M. Sühring, and S. Raasch

Recorded Presentation

Session 9B

Renewable Energy Applications of Boundary Layer Physics: Part I

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Robert Conzemius, Windlogics, Inc.

8:30 AM

9B.1

The Wind Forecasting Improvement Project (WFIP): Results from the Southern Study Area

Jeff Freedman, AWS TruePower LLC, Albany, NY; and J. W. Zack, J. Manobianco, J. M. Wilczak, J. L. Schroeder, B. C. Ancell, K. A. Brewster, S. Baku, V. Banunarayanan, and K. Orwig

Recorded Presentation

8:45 AM

9B.2

Mesoscale influences of wind farms throughout a diurnal cycle

Anna C. Fitch, Univ. of Bergen, Bergen, Norway; and J. K. Lundquist and J. B. Olson

9:00 AM

9B.3

Simulation of Wind turbines in the atmospheric boundary layer

Hamid Sarlak Chivaee, Technical University of Denmark, Lyngby, Denmark; and J. N. Soerensen and R. F. Mikkelsen

Recorded Presentation

9:15 AM

9B.4

Evaluating mesoscale WRF configurations for nested mesoscale-LES wind turbine wake simulations: boundary layer performance over cropland

Brian Joseph Vanderwende, Univ. of Colorado, Boulder, CO; and J. K. Lundquist, E. S. Takle, and S. P. Oncley

Recorded Presentation

9:30 AM

9B.5

Large-eddy simulation of atmospheric boundary layer flow through wind farms

Fernando Porté-Agel, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland; and Y. T. Wu

9:45 AM

9B.6

A Simulation of Scalar Transport in a Wind Turbine Wake

Scott Waggy, University of Colorado, Boulder, CO; and S. Biringen

Recorded Presentation

Coffee Break

Session 10A

Boundary Layer Processes: Part I

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Sharon Zhong, Michigan State Univ.

10:30 AM

10A.1

The generation and evolution of roll vortices in the hurricane boundary layer: A numerical study

Kun Gao, University of Rhode Island, Narragansett, RI; and I. Ginis

Recorded Presentation

10:45 AM

10A.2

Wind Shear and the Southern Ocean Boundary Layer

Luke B. Hande, Monash University, Melbourne, Victoria, Australia; and S. T. Siems, M. J. Manton, and D. Belusic

Recorded Presentation

11:00 AM

10A.3

The vertical turbulent structure of the Arctic summer boundary layer during ASCOS

Guylaine Canut, CNRM, Toulouse, France; and I. M. Brooks, M. Shupe, P. O. G. Persson, M. Tjerström, T. Mauritsen, J. Sedlar, C. E. Birch, and B. J. Brooks

Recorded Presentation

Handout (3.4 MB) Handout (3.5 MB)

11:15 AM

10A.4

Forcing Mechanisms of Summertime PBL Depths in the Los Angeles Basin and Central Valley of California

Irina V. Djalalova, NOAA/ESRL/PSD and CIRES/Univ. of Colorado, Boulder, CO; and L. Bianco and J. M. Wilczak

Recorded Presentation

11:30 AM

10A.5

Measurements of the Budget of the Subgrid-Scale Stress in Convective Atmospheric Surface Layers

Khuong X. Nguyen, Clemson University, Clemson, SC; and S. P. Oncley, T. W. Horst, P. P. Sullivan, and C. Tong

Recorded Presentation

11:45 AM

10A.6

Climatological Variations in the Planetary Boundary Layer over the Continental United States and Europe

Dian J. Seidel, NOAA, College Park, MD; and Y. Zhang, A. Beljaars, J. C. Golaz, A. Jacobson, and B. Medeiros

Recorded Presentation

Session 10B

Renewable Energy Applications of Boundary Layer Physics: Part II

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Robert M. Banta, NOAA/ERL/ETL

10:30 AM

10B.1

Generating Realistic Inflows for Utility-Scale Wind Turbines

Yao Wang, North Carolina State University, Raleigh, NC; and S. Basu and L. Manuel

Recorded Presentation

10:45 AM

10B.2

Dependence of wind turbine wake behavior on atmospheric stability, as measured by long-range Doppler lidar

Julie K. Lundquist, University of Colorado, Boulder, CO; and R. M. Banta, Y. L. Pichugina, W. A. Brewer, R. J. Alvarez II, S. P. Sandberg, J. Brown, N. D. Kelley, M. Aitken, A. Clifton, and J. D. Mirocha

Recorded Presentation

11:00 AM

10B.3

Wind Gusts at Heights of Wind Turbines

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

Recorded Presentation

11:15 AM

10B.4

Turbine Inflow Characterization at the National Wind Technology Center

Andrew Clifton, National Renewable Energy Laboratory, Golden, CO; and S. Schreck, G. Scott, and J. K. Lundquist

11:30 AM

10B.5

Wind-flow characteristics in the turbine rotor layer of the atmosphere

Robert M. Banta, NOAA/ERL/ETL, Boulder, CO; and Y. L. Pichugina, W. A. Brewer, and R. M. Hardesty

Recorded Presentation

11:45 AM

10B.6

Impact of Atmospheric Stability on Turbine Rotor-Plane Wind Profiles and Power at Wind Power Project Sites

Kathleen E. Moore, Integrated Environmental Data, LLC, Berne, NY; and T. Dwyer

Recorded Presentation

Lunch Break

Session 11

Boundary Layer Clouds: Part I

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Stephan R. de Roode, Delft University of Technology

1:30 PM

11.1

Strongly Sheared Stratocumulus Convection: A LES Case Study

Shouping Wang, NRL, Monterey, CA; and X. Zheng and Q. Jiang

Recorded Presentation

1:45 PM

11.2

LES sensitivity experiments of the EUCLIPSE stratocumulus to cumulus transition based on ASTEX

Johan van der Dussen, Delft University of Technology, Delft, Netherlands; and S. R. de Roode and A. P. Siebesma

Recorded Presentation Manuscript (664.4 kB)

2:00 PM

11.3

A Large-Eddy Simulation Study of Moist Convection Initiation over Heterogeneous Surface Fluxes

Song-Lak Kang, Texas Tech University, Lubbock, TX; and G. H. Bryan

Handout (5.1 MB) Handout (5.1 MB)

2:15 PM

11.4

Budgets of scalar fluxes for cloudy boundary layers

Rieke Heinze, Institute of Meteorology and Climatology, Leibniz University Hanover, Hannover, Germany; and S. Raasch and D. Mironov

Recorded Presentation Manuscript (819.3 kB)

Handout (2.0 MB)

2:30 PM

11.5

A large eddy simulation study of Arctic boundary-layer cloud during ASCOS

Thomas D. Pleavin, Univ. of Leeds, Leeds, United Kingdom; and I. M. Brooks, S. Dobbie, M. Shupe, M. Tjernstrom, P. O. G. Persson, and B. J. Brooks

Recorded Presentation

2:45 PM

11.6

Marine Boundary Layer in Stratus Clouds over the Southeast Pacific: Representation and Evaluation in a Regional Model

Yi Jin, NRL, Monterey, CA; and S. Wang, J. Nachamkin, and G. Thompson

Recorded Presentation

Joint Session 10

Renewable Energy Applications of Boundary Layer Physics: Part III

Location: Essex Center/South (Westin Copley Place)

Hosts: (Joint between the 20th Symposium on Boundary Layers and Turbulence; and the 18th Conference on Air-Sea Interaction )

Chair: Julie K. Lundquist, University of Colorado

1:30 PM

J10.1

High-resolution simulations of flow over terrain of varying complexity for wind energy applications

Nikola Marjanovic, LLNL, Livermore, CA; and F. K. Chow and S. Wharton

Recorded Presentation

1:45 PM

J10.2

Wind Resource Assessment over a complex Terrain by Wind Tunnel Modeling, Uncertainty Quantification

Boris Conan, von Karman Institute for Fluid Dynamics, Rhode-Saint-Genèse, Belgium; and J. van Beeck and S. Aubrun

Recorded Presentation

2:00 PM

J10.3

Topography effects on the wake and performance of wind turbines: a wind tunnel study

Jean M. Claus, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland; and F. Porté-Agel

Recorded Presentation

2:15 PM

J10.4

Mountain Wave Study at a Wind Farm Site in the Eastern Rocky Mountains

Philippe Beaucage, AWS TruePower LLC, Albany, NY; and J. Freedman, D. Bernadett, and D. Michaud

Recorded Presentation

2:30 PM

J10.5

Complex wake merging phenomena in large offshore wind farms

Craig M. Smith, Indiana University, Bloomington, IN; and R. Barthelmie, M. J. Churchfield, and P. J. Moriarty

Recorded Presentation

Handout (2.2 MB)

2:45 PM

J10.6

Multiple-LiDAR measurements of wind turbine wakes

Giacomo Valerio Iungo, University of Texas Dallas, Richardson, TX; and Y. T. Wu and F. Porté-Agel

Recorded Presentation

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Session 12A

Boundary Layer Clouds: Part II

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Chin-Hoh Moeng, NCAR

3:30 PM

12A.1

Sensitivity of marine boundary layer clouds to idealized climate perturbations: The CGILS LES Intercomparison

Peter N. Blossey, University of Washington, Seattle, WA; and C. S. Bretherton, C. R. Jones, M. Zhang, A. Cheng, S. R. de Roode, S. Endo, T. Heus, Y. Liu, A. Lock, and K. M. Xu

Recorded Presentation

3:45 PM

12A.2

Variability of Low-Level Coastal Jet and Marine Stratocumulus Clouds in the Southeast Pacific

Xiaodong Hong, NRL, Monterey, CA; and S. Wang, T. Holt, and L. W. O'Neill

Recorded Presentation

4:00 PM

12A.3

Some observational and model evidence for dry soils supporting cumulus onset

Daphne Westra, Wageningen University, Wageningen, Netherlands; and G. J. Steeneveld and A. A. M. Holtslag

Recorded Presentation

4:15 PM

12A.4

Land-surface response to shallow cumulus

Fabienne Lohou, Laboratoire d'Aérologie, University of Toulouse, CNRS, France, Toulouse, France; and E. G. Patton

Recorded Presentation Manuscript (490.8 kB)

Handout (2.2 MB)

4:30 PM

12A.5

Parameterization of the vertical velocity equation for shallow cumulus clouds

Stephan R. de Roode, Delft University of Technology, Delft, Netherlands; and A. P. Siebesma, H. J. J. Jonker, and Y. de Voogd

Recorded Presentation

4:45 PM

12A.6

Role of turbulence, radiation, and land surface-atmosphere exchange in modeling radiation fog in the Netherlands

R. J. Ronda, Wageningen University, Wageningen, Netherlands; and G. J. Steeneveld and A. A. M. Holtslag

Recorded Presentation

5:00 PM

12A.7

Increasing CO2 suppresses boundary-layer clouds in temperate climates

J. Vilà-Guerau de Arellano, Wageningen University, Wageningen, Netherlands; and C. van Heerwaarden and J. Lelieveld

Recorded Presentation

5:15 PM

12A.8

Laser Radar System For the Observation of Boundar Layer Clouds

Suresh Gajula Jr., AER, Vijayawada, India

Session 12B

Boundary Layers in Forest Canopy

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Bas Van de Wiel, Eindhoven Technical University

3:30 PM

12B.1

Modeling the effects of increasingly heterogeneous canopy environments on flux dynamics using high-resolution, forest-resolving large-eddy simulations

Kyle D. Maurer, Ohio State University, Columbus, Ohio; and G. Bohrer, L. He, and V. Y. Ivanov

Recorded Presentation

3:45 PM

12B.2

Influence of convective instability on canopy and roughness sublayer turbulence

Edward G. Patton, NCAR, Boulder, CO; and R. H. Shaw and J. J. Finnigan

4:00 PM

12B.3

LES of a three-dimensionally resolved forest using terrestrial laser scanning data

Fabian Schlegel, Technische Universität Dresden, Dresden, Germany; and J. Stiller

4:15 PM

12B.4

Assessment of Wind and Temperature in the Roughness Sub-Layer using ARPS-CANOPY

Michael T. Kiefer, Michigan State University, East Lansing, MI; and S. Zhong, W. E. Heilman, J. J. Charney, and X. Bian

Recorded Presentation

4:30 PM

12B.5

Wind Tunnel Analysis of the Joint Adjustment of a Passive Scalar and the Wind Field Across a Forest Edge

Ian N. Harman, CSIRO Marine and Atmospheric Research, Canberra, Australia; and M. Bohm, J. J. Finnigan, B. A. Gardiner, and S. Nulty

Recorded Presentation

4:45 PM

12B.6

Turbulence Structures at a Forest Edge

Thomas Foken, University of Bayreuth, Bayreuth, Germany; and A. Serafimovich, J. Hübner, R. Eigenmann, E. Falge, F. X. Meixner, L. Voß, S. Raasch, F. Kanani, A. Held, M. Sörgel, P. Werle, F. Eder, S. Cieslik, H. Liu, B. K. Lamb, M. Y. Leclerc, and H. F. Duarte

Recorded Presentation

5:00 PM

12B.7

The TurbEFA experiment - analysing turbulence and vegetation structure across a forest clearing

Ronald Queck, TU Dresden, Dresden, Germany; and C. Bernhofer

Recorded Presentation

5:15 PM

12B.8

Long-term statitics of turbulence, winds and pressure fluctuations in a forested environment

April L. Hiscox, University of South Carolina, Columbia, SC; and April L. Hiscox, University of South Carolina, Columbia, SC, M. Rudnicki, H. B. Su, and D. R. Miller

Recorded Presentation

Registration Opens and Continues through the Hours of the Conference

Location: 3rd Floor Foyer (Westin Copley Place)

Session 13A

Boundary Layer Processes: Part II

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Sukanta Basu, North Carolina State University

8:30 AM

13A.1

A new approach to estimate random errors in turbulence statistics

Marcelo Chamecki, The Pennsylvania State University, University Park, PA; and S. T. Salesky and N. L. Dias

Recorded Presentation

8:45 AM

13A.2

Scatter in plots of Monin-Obukhov similarity functions: random errors or missing physics?

Scott Thomas Salesky, The Pennsylvania State University, University Park, PA; and M. Chamecki

Recorded Presentation

9:00 AM

13A.3

Turbulence Anisotropy in the Atmospheric Boundary Layer

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

Recorded Presentation Manuscript (270.0 kB)

9:15 AM

13A.4

Short-time variability in scalar structure parameters

Miranda Braam, Wageningen University and Research Centre, Wageningen, Netherlands; and A. F. Moene and F. Beyrich

Recorded Presentation

9:30 AM

13A.5

Turbulence Structures and Temperature-Humidity Dissimilarity under Local Advection Perturbations

Heping Liu, Washington State University, Pullman, WA; and H. Jiang, Y. Zhang, and T. Foken

9:45 AM

13A.6

Achieving stationary statistics in LES of thermally stratified atmospheric boundary layers using a control algorithm

Adrian Sescu, Johns Hopkins University, Baltimore, MD; and C. Meneveau

Recorded Presentation

Session 13B

Morning and Afternoon Transitional Behavior of the Boundary Layer: Part I

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Marie Lothon, Université de Toulouse, Laboratoire d'Aérologie - CNRS UMR 5560

8:30 AM

13B.1

A Dynamical System Approach to Mixed Layer Models with Interactive Surface Fluxes

Harm J. J. Jonker, Delft University of Technology, Delft, Netherlands; and J. Schalkwijk

Recorded Presentation Manuscript (1.4 MB)

8:45 AM

13B.2

Statistical Variability of Dispersion in the Convective Boundary Layer: Ensembles of Simulations and Observations

Jeffrey C. Weil, Univ. of Colorado, Boulder, CO; and P. P. Sullivan, E. G. Patton, and C. H. Moeng

Recorded Presentation

9:00 AM

13B.3

Forecasting of the Evening Transition in Light Winds

John M. Edwards, Met Office, Exeter, United Kingdom

Recorded Presentation

9:15 AM

13B.4

The response of atmospheric chemistry to dynamical boundary layer processes associated to temporal transitions and surface heterogeneity

H.G. Ouwersloot, Wageningen University, Wageningen, Netherlands; and J. Vilà-Guerau de Arellano, A. C. Nölscher, M. C. Krol, L. N. Ganzeveld, C. Breitenberger, J. Williams, and J. Lelieveld

Recorded Presentation Manuscript (16.7 kB)

9:30 AM

13B.5

Observation of atmosphere-forest exchange processes at the new TERENO site Wüstebach

Clemens Drüe, Universität Trier, Trier, Germany; and A. Graf, G. Heinemann, and T. Pütz

9:45 AM

13B.6

An Attempt to Validate Scintillometer Measurements: The LITFASS-2009 Experiment

Frank Beyrich, German Meteorological Service, Lindenberg, Germany; and J. Bange, O. K. Hartogensis, S. Raasch, M. Braam, D. van Dinther, D. Gräf, S. Martin, A. C. van den Kroonenberg, A. F. Moene, B. Van Kesteren, and B. Maronga

Coffee Break

Location: 3rd Floor Foyer (Westin Copley Place)

Session 14A

Boundary Layer Processes: Part III

Location: Essex Center/South (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Jielun Sun, NCAR

10:30 AM

14A.1

How well does the classical density current model represent realistic unsteady sea breeze fronts?

Frank John Robinson, Geology and Geophysics Department, Yale University, New Haven, CT; and M. Patterson and S. C. Sherwood

Recorded Presentation

10:45 AM

14A.2

Exact averaging procedures for atmospheric state and flow variables

Andrew S. Kowalski, University of Granada, Granada, Granada, Spain

Recorded Presentation

11:00 AM

14A.3

More on the Bowen Ratio over Saturated Surfaces

Edgar L. Andreas, NorthWest Research Associates, Inc., Lebanon, NH; and R. E. Jordan, L. Mahrt, and D. Vickers

Recorded Presentation Manuscript (582.7 kB)

11:15 AM

14A.4

Is geometry above physics in atmospheric boundary layer flow?

Danijel Belusic, Monash University, Clayton, Victoria, Australia; and L. Mahrt

Recorded Presentation

11:30 AM

14A.5

On the Parent Circulation Contributing to Form Dust Devils

Junshi Ito, The University of Tokyo, Kashiwa, Chiba, Japan; and H. Niino and M. Nakanishi

Recorded Presentation

11:45 AM

14A.6

Interscale energy transport in quasi-two dimensional turbulent Ekman layer simulations

Rob Stoll, University of Utah, Salt Lake City, UT; and K. Walters

Recorded Presentation

Session 14B

Morning and Evening Transitional Behavior of the Boundary Layer: Part II

Location: Essex Center (Westin Copley Place)

Host: 20th Symposium on Boundary Layers and Turbulence

Chair: Harmen J. J. Jonker, Delft University of Technology

10:30 AM

14B.1

The Boundary Layer Late Afternoon and Sunset Turbulence 2011 field experiment

Marie Lothon, Université de Toulouse, Laboratoire d'Aérologie - CNRS UMR 5560, Campistrous, France; and F. Lohou, P. Durand, F. Couvreux, O. K. Hartogensis, D. Legain, E. Pardyjak, D. Pino, J. Reuder, J. Vilà Guerau de Arellano, D. C. Alexander, P. Augustin, E. Bazile, Y. Bezombes, E. Blay, A. van de Boer, J. L. Boichard, O. de Coster, J. Cuxart, A. Dabas, C. Darbieu, K. Deboudt, H. Delbarre, S. Derrien, I. Faloona, P. Flament, M. Fourmentin, A. Garai, F. Gibert, B. Gioli, A. Graf, J. Groebner, F. Guichard, M. Jonassen, A. van de Kroonenberg, D. Lenschow, S. Martin, D. Martinez, L. Mastrorillo, A. Moene, E. Moulin, H. Pietersen, B. Piguet, E. Pique, C. Román-Cascón, F. Said, M. Sastre, Y. Seity, G. J. Steeneveld, P. Toscano, O. Traullé, D. Tzanos, S. Wacker, and C. Yagüe

Recorded Presentation Manuscript (2.8 MB)

10:45 AM

14B.2

On the role of large-scale forcings on the development of the atmospheric boundary layer during the BLLAST field campaign

H. P. Pietersen, Wageningen University Research, Wageningen, Netherlands; and J. Vila-Guerau de Arellano, O. de Coster, A. van de Boer, O. Hartogensis, D. Pino, B. Gioli, P. Durand, M. Lothon, F. Lohou, J. Reuder, M. Jonassen, and I. Faloona

Recorded Presentation

11:00 AM

14B.3

High frequency ground temperature fluctuation in a Convective Boundary Layer

Anirban Garai, University of California, San Diego, La Jolla, CA; and J. Kleissl, M. Lothon, F. Lohou, E. Pardyjak, F. Saïd, J. Cuxart, G. J. Steeneveld, C. Yagüe, S. Derrien, D. C. Alexander, and D. M. Villagrasa

Recorded Presentation

11:15 AM

14B.4

Representation of the Afternoon Transition in Numerical Weather Prediction Models: Evaluation with BLLAST Data

Fleur Couvreux, Météo France, Toulouse, France; and E. Bazile, Y. Seity, B. Szintai, F. Guichard, M. Lothon, D. Legain, J. Reuder, H. Pietersen, and O. de Coster

Recorded Presentation

11:30 AM

14B.5

Pressure perturbations and multi-scale analysis in the atmospheric boundary layer at the afternoon and evening transition during the BLLAST campaign

Mariano Sastre, University Complutense of Madrid (UCM), Madrid, Madrid, Spain; and C. Yagüe, C. Román-Cascón, G. Maqueda, M. Lothon, and F. Saïd

Recorded Presentation

11:45 AM

14B.6

Afternoon transition turbulence decay revisited by Doppler Lidar

Fabien Gibert, Laboratoire de Météorologie Dynamique, Palaiseau, France; and A. Dumas, L. Thobois, Y. Bezombes, G. J. Koch, A. M. Dabas, and M. Lothon

Recorded Presentation

Session 14B 20th Symposium on Boundary Layers and Turbulence

Sunday, 8 July 2012

5:00 PM-7:00 PM: Sunday, 8 July 2012

Monday, 9 July 2012

7:30 AM-5:30 PM: Monday, 9 July 2012

8:45 AM-10:00 AM: Monday, 9 July 2012

10:00 AM-10:30 AM: Monday, 9 July 2012

10:30 AM-12:00 PM: Monday, 9 July 2012

12:00 PM-1:30 PM: Monday, 9 July 2012

1:30 PM-3:00 PM: Monday, 9 July 2012

3:00 PM-3:30 PM: Monday, 9 July 2012

3:30 PM-5:00 PM: Monday, 9 July 2012

5:30 PM-7:00 PM: Monday, 9 July 2012

5:30 PM-7:30 PM: Monday, 9 July 2012

Tuesday, 10 July 2012

7:30 AM-5:30 PM: Tuesday, 10 July 2012

8:30 AM-10:00 AM: Tuesday, 10 July 2012

10:00 AM-10:30 AM: Tuesday, 10 July 2012

10:30 AM-12:00 PM: Tuesday, 10 July 2012

12:00 PM-1:30 PM: Tuesday, 10 July 2012

1:30 PM-3:00 PM: Tuesday, 10 July 2012

3:00 PM-3:30 PM: Tuesday, 10 July 2012

3:30 PM-5:30 PM: Tuesday, 10 July 2012

6:00 PM-7:30 PM: Tuesday, 10 July 2012

Wednesday, 11 July 2012

7:30 AM-5:00 PM: Wednesday, 11 July 2012

8:30 AM-10:00 AM: Wednesday, 11 July 2012

10:00 AM-10:30 AM: Wednesday, 11 July 2012

10:30 AM-12:00 PM: Wednesday, 11 July 2012

12:00 PM-1:30 PM: Wednesday, 11 July 2012

1:30 PM-3:00 PM: Wednesday, 11 July 2012

3:00 PM-3:30 PM: Wednesday, 11 July 2012

3:30 PM-4:45 PM: Wednesday, 11 July 2012

3:30 PM-5:30 PM: Wednesday, 11 July 2012

Thursday, 12 July 2012

7:30 AM-5:00 PM: Thursday, 12 July 2012

8:30 AM-10:00 AM: Thursday, 12 July 2012

10:00 AM-10:30 AM: Thursday, 12 July 2012

10:30 AM-12:00 PM: Thursday, 12 July 2012

12:00 PM-1:30 PM: Thursday, 12 July 2012

1:30 PM-3:00 PM: Thursday, 12 July 2012

1:30 PM-3:30 PM: Thursday, 12 July 2012

3:00 PM-3:30 PM: Thursday, 12 July 2012

3:30 PM-5:30 PM: Thursday, 12 July 2012

Friday, 13 July 2012

7:30 AM-12:00 PM: Friday, 13 July 2012

8:30 AM-10:00 AM: Friday, 13 July 2012

10:00 AM-10:30 AM: Friday, 13 July 2012

10:30 AM-12:00 PM: Friday, 13 July 2012

Sunday, 8 July 2012

5:00 PM-7:00 PM: Sunday, 8 July 2012

Monday, 9 July 2012

7:30 AM-5:30 PM: Monday, 9 July 2012

8:45 AM-10:00 AM: Monday, 9 July 2012

10:00 AM-10:30 AM: Monday, 9 July 2012

10:30 AM-12:00 PM: Monday, 9 July 2012

12:00 PM-1:30 PM: Monday, 9 July 2012

1:30 PM-3:00 PM: Monday, 9 July 2012

3:00 PM-3:30 PM: Monday, 9 July 2012

3:30 PM-5:00 PM: Monday, 9 July 2012

5:30 PM-7:00 PM: Monday, 9 July 2012

5:30 PM-7:30 PM: Monday, 9 July 2012

Tuesday, 10 July 2012

7:30 AM-5:30 PM: Tuesday, 10 July 2012

8:30 AM-10:00 AM: Tuesday, 10 July 2012

10:00 AM-10:30 AM: Tuesday, 10 July 2012

10:30 AM-12:00 PM: Tuesday, 10 July 2012

12:00 PM-1:30 PM: Tuesday, 10 July 2012

1:30 PM-3:00 PM: Tuesday, 10 July 2012

3:00 PM-3:30 PM: Tuesday, 10 July 2012

3:30 PM-5:30 PM: Tuesday, 10 July 2012

6:00 PM-7:30 PM: Tuesday, 10 July 2012

Wednesday, 11 July 2012

7:30 AM-5:00 PM: Wednesday, 11 July 2012

8:30 AM-10:00 AM: Wednesday, 11 July 2012

10:00 AM-10:30 AM: Wednesday, 11 July 2012

10:30 AM-12:00 PM: Wednesday, 11 July 2012

12:00 PM-1:30 PM: Wednesday, 11 July 2012

1:30 PM-3:00 PM: Wednesday, 11 July 2012

3:00 PM-3:30 PM: Wednesday, 11 July 2012