Program: 19th Symposium on Boundary Layers and Turbulence (29th Conf. on Agricultural and Forest Meteorology/19th Symp. on Boundary Layers and Turbulence/Ninth Symp. on the Urban Environment (1-6 August 2010))

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Registration continues through 6 August, 2010

Plenary Session 1

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; the Ninth Symposium on the Urban Environment; and the 29th Conference on Agricultural and Forest Meteorology )

Speaker: Margaret LeMone, NCAR

Joint Session 1

Observations in Complex and Urban Terrain and Canopies I

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; the Ninth Symposium on the Urban Environment; and the 29th Conference on Agricultural and Forest Meteorology )

Cochairs: Nathaniel A. Brunsell, University of Kansas; Fei Chen, NCAR; Branko Kosovic, NCAR

9:15 AM

J1.1

Doppler lidar observations of urban boundary layer dynamics in London, UK

Janet F. Barlow, University of Reading, Reading, United Kingdom; and T. M. Dunbar, C. R. Wood, E. Nemitz, M. W. Gallagher, and R. M. Harrison

Recorded Presentation

9:30 AM

J1.2

Direct observations of the turbulence kinetic energy budget within an orchard canopy

Steven P. Oncley, NCAR, Boulder, CO; and W. J. Massman and E. G. Patton

Recorded Presentation

9:45 AM

J1.3

An observational study of turbulence inside a close basin

Sharon Zhong, Michigan State University, East Lansing, MI; and P. J. Fu, X. Bian, C. D. Whiteman, and T. Horst

Recorded Presentation

Coffee Break

Location: Shavano Peak Foyer (Keystone Resort)

Joint Session 2

Observations in Complex and Urban Terrain and Canopies II

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; the 29th Conference on Agricultural and Forest Meteorology; and the Ninth Symposium on the Urban Environment )

Cochairs: Nathaniel A. Brunsell, University of Kansas; Julie K. Lundquist, University of Colorado at Boulder; Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL

10:30 AM

J2.1

Scaling properties of biologically active scalar concentration fluctuations in the surface layer over a managed peatland

Matteo Detto, Smithsonian Tropical Research Institute, Berkeley, CA; and D. D. Baldocchi and G. G. Katul

Recorded Presentation

10:45 AM

J2.2

Mixing Processes in the Nocturnal Atmospheric Boundary Layer and Their Impacts on Urban Ozone Concentrations and Heat Island Intensity

Petra M. Klein, Univ. of Oklahoma, Norman, OK; and J. K. Lundquist and J. B. Basara

Recorded Presentation

Presentation PDF (889.7 kB)

11:00 AM

J2.3

Space-time variability of subcanopy horizontal advection in moderately complex terrain

Christoph K. Thomas, Oregon State University, Corvallis, OR

Recorded Presentation

Presentation PDF (197.3 kB)

11:15 AM

J2.4

Impact of gravity waves on the turbulent exchange above a forest site

Andrei Serafimovich, University of Bayreuth, Bayreuth, Germany; and C. J. Nappo and T. Foken

Recorded Presentation

Presentation PDF (660.8 kB)

11:30 AM

J2.5

Eddy covariance methodologies revisited for urban measurements

Annika Iida Nordbo, University of Helsinki, Helsinki, Finland; and L. Järvi and T. Vesala

Recorded Presentation

11:45 AM

J2.6

The effect of tilt-corrections on fluxes and 3D wind statistics over sloping, forested terrain

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

Recorded Presentation

Lunch Break

Plenary Session 1

Keynote Address: "A climate change perspective on marine boundary layer cloud dynamics"

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Speaker: Christopher S. Bretherton, Univ. of Washington

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

1:30 PM

Keynote Address

Recorded Presentation

Coffee Break

Location: Shavano Peak (Keystone Resort)

Session 1A

Boundary-layer Clouds

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

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

3:30 PM

1A.1

Subtropical boundary layer cloud feedbacks on climate change – the CGILS LES/SCM column modeling intercomparison

Christopher S. Bretherton, University of Washington, Seattle, WA; and M. H. Zhang and P. N. Blossey

Recorded Presentation

3:45 PM

1A.2

A detailed LES Study of Transport and Mixing near Cloud Edges

Susan Pesman, Delft University, Delft, Netherlands; and H. J. J. Jonker

Presentation PDF (1.1 MB)

4:00 PM

1A.3

Large-Eddy Simulation of a stratocumulus to cumulus cloud transition as observed during ASTEX

Stephan R. de Roode, Delft University of Technology, Delft, Netherlands; and J. van der Dussen

Recorded Presentation

Presentation PDF (677.5 kB)

4:15 PM

1A.4

Improvements to the Representation of Shallow Clouds in WRF

Larry K. Berg, PNNL, Richland, WA; and W. I. Gustafson Jr.

Recorded Presentation

4:30 PM

1A.5

Boundary layer - cloud interaction in the summer Arctic

Michael Tjernström, Stockholm University, Stockholm, Sweden; and T. Mauritsen and J. Sedlar

Recorded Presentation

4:45 PM

1A.6

Dynamics of Diurnal Variation of Stratus Clouds in Monterey Bay Area

Shouping Wang, NRL, Monterey, CA; and Y. Jin, Q. Jiang, and Q. Wang

Recorded Presentation

5:00 PM

1A.7

Orographic precipitation enhancement by boundary-layer turbulence: evidence from vertically pointing airborne cloud radar data

Bart Geerts, University of Wyoming, Laramie, WY; and Q. Miao

Recorded Presentation

5:15 PM

1A.8

Stratocumulus-topped atmospheric boundary layers: GPS RO observations vs. ECMWF analysis

Feiqin Xie, University of California, Los Angeles, Los Angeles, CA; and D. Wu, C. O. Ao, A. J. Mannucci, and E. R. Kursinski

Recorded Presentation

5:30 PM

1A.9

Retrieval of cloud microphysical and turbulence profiles using the NOAA/PSD W-band cloud radar from R/V Ronald H. Brown during the VOCALS-REx field program

Christopher W. Fairall, NOAA/ESRL/PSD, Boulder, CO; and S. P. de Szoeke, W. A. Brewer, P. Zuidema, and V. P. Ghate

Recorded Presentation

Session 1B

Observations and Modeling Related to Renewable Energy Applications I

Location: Torrey's Peak III & IV (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Bill Mahoney, NCAR

3:30 PM

1B.1

Validation of boundary-layer winds from WRF Mesoscale Forecasts with applications to wind energy forecasting

Caroline Draxl, Risø DTU Technical University of Denmark, Roskilde, Denmark; and A. N. Hahmann, A. Peña, J. N. Nissen, and G. Giebel

Presentation PDF (1.8 MB)

3:45 PM

1B.2

On the importance of accurate wind profile for wind power applications

Mark Zagar, Vestas Wind Systems, A/S, Randers, Denmark; and F. A. Tøgersen

4:00 PM

1B.3

Improving 0 – 12h wind energy prediction by assimilating surface, met-tower, turbine nacelle anemometer, wind profiler and lidar wind observations using the NCAR WRF-RTFDDA model

Yubao Liu, NCAR, Boulder, CO

Recorded Presentation

4:15 PM

1B.4

Large-eddy simulation of wind-turbine wakes: Evaluation of turbine parameterizations

Fernando Porté-Agel, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; and Y. T. Wu, H. Lu, and L. Chamorro Sr.

4:30 PM

1B.5

Turbulent flow over sinusoidal bumps and hills derived from large eddy simulations

Peter P. Sullivan, NCAR, Boulder, CO; and E. G. Patton and K. W. Ayotte

Presentation PDF (2.4 MB)

4:45 PM

1B.6

Matthew J. Churchfield, National Renewable Energy Laboratory, Golden, CO; and G. Vijayakumar, J. G. Brasseur, and P. J. Moriarty

Recorded Presentation

Presentation PDF (1.9 MB)

5:00 PM

1B.7

A coupled groundwater-atmospheric model for wind energy forecasting

Julie K. Lundquist, University of Colorado at Boulder, Boulder, CO; and R. M. Maxwell, J. D. Mirocha, S. G. Smith, C. S. Woodward, and A. F. B. Tompson

5:15 PM

1B.8

Significance of mesoscale surface heterogeneity in wind speed forecasting

Song-Lak Kang, Texas Tech University, Lubbock, TX; and D. Lenschow, P. Sullivan, and P. Mininni

5:30 PM

1B.9

Effects of thermal stability and incoming boundary-layer flow in the structure of wind turbine wake(s): a wind tunnel study

Leonardo Chamorro, University of Minnesota, Minneapolis, MN; and F. Porté-Agel

Formal Poster Viewing and Reception

Location: Shavano Peak and Castle Peak (Keystone Resort)

Joint Poster Session 1

Boundary Layers Over Canopies and Heterogeneous Terrain

Location: Castle Peak Ballroom (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; and the 29th Conference on Agricultural and Forest Meteorology )

JP1.1

Attributing Tall Tower Flux Data to Heterogeneous Vegetation

Natascha Kljun, Swansea University, Swansea, United Kingdom; and G. Gelybó, Z. Barcza, A. Kern, and L. Haszpra

JP1.2

Using sky view factor to model radiation and thermal structure within and above a forest canopy in sloping terrain

Norma J. Froelich, Indiana University, Bloomington, Indiana; and C. S. B. Grimmond and H. P. Schmid

JP1.3

Tall tower based evaluation of the MOD17 model over heterogeneous agricultural vegetation

Györgyi Gelybó, Eötvös Loránd University, Budapest, Hungary; and Z. Barcza, A. Kern, N. Kljun, and L. Haszpra

JP1.4

Removing the contribution of mesoscale fluctuations to surface sensible and latent heat fluxes over a heterogeneous surface

Micheal Hicks, NOAA/NWS, Sterling, VA; and S. L. Kang, D. Lenschow, M. Robjhon, B. B. Demoz, and E. Joseph

JP1.5

Single and two-point statistics of turbulence and tree-sway measurements

JP1.5

Vertical Structure of the CO2 Exchange Between the Surface and the Atmosphere Within and Above An Araucaria Forest Canopy

Hans Zimermann, Universidade Federal de Santa Maria, Santa Maria, Brazil; and O. L. L. Moraes, C. Teichrieb, P. E. S. Oliveira, D. Regina Roberti, and O. C. Acevedo

Poster Session 1

Boundary-layer Observations

Location: Castle Peak Ballroom (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

P1.1

Studying the Boundary Layer Late Afternoon and Sunset Turbulence (BLLAST)

David Pino, Technical University of Catalonia, Castelldefels, Spain; and M. Lothon, W. M. Angevine, J. Bange, R. J. Beare, G. Canut, F. Couvreux, H. Delbarre, F. Gibert, B. Gioli, H. J. J. Jonker, D. Lenschow, F. Lohou, L. Mahrt, E. Pardyjak, and J. Vilà-Guerau de Arellano

Handout (117.8 kB)

P1.2

Vertical wind velocity observations at the Cabauw tower

Huug G. Ouwersloot, Delft University of Technology, Delft, Netherlands; and S. R. de Roode, F. C. Bosveld, and P. Kroon

Handout (2.2 MB)

P1.3

Scintillometry with non-uniform crosswind fields

Helen C. Ward, King's College London (& CEH Wallingford), London, United Kingdom; and J. G. Evans, H. A. R. De Bruin, and C. S. B. Grimmond

P1.4

Two-component horizontal motion vectors from scanning eye-safe aerosol lidar

Shane D. Mayor, California State University Chico, Chico, CA; and P. Dérian, P. Héas, and E. Mémin

P1.5

Effects of Low-Frequency Motions on Momentum and Scalars Exchange: A Case Study from EBEX2000

Yu Zhang, Cold and Arid Regions Environmental and Engineering Research Institute, Lanzhou, Gansu, China; and H. Liu

P1.6

CentNet—A deployable 100-station network for surface exchange research

Steven P. Oncley, NCAR, Boulder, CO; and S. Semmer, T. W. Horst, J. Militzer, G. Maclean, K. Knudson, C. Golubieski, and L. L. Dong

P1.7

Vertical turbulence measurements from the RACORO field campaign

Julia E. Flaherty, Pacific Northwest National Laboratory, Richland, WA; and L. K. Berg and J. M. Comstock

Poster Session 2

Parameterization of Boundary-layer Processes

Location: Castle Peak Ballroom (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

P2.1

Assessment of numerical weather forecasts using satellite land surface temperatures

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

Handout (388.2 kB)

P2.2

Fog Forecasting Using Synergy between Models of Different Complexity: Large-Eddy Simulation, Column Modelling and Limited Area Modelling

G.J. Steeneveld, Wageningen University, Wageningen, Netherlands; and M. Masbou, C. C. van Heerwaarden, C. Mohr, W. Schneider, M. Müller, A. Bott, and A. A. M. Holtslag

P2.3

Evaluation of two turbulence parameterization schemes in the Community Climate System Model and their representation of the diurnal cycle

Jenny Lindvall, Stockholm University, Stockholm, Sweden; and G. Svensson

P2.4

PDF parameterization of boundary layer clouds and turbulence at resolutions that permit deep convection

Vincent E. Larson, Univ. of Wisconsin, Milwaukee, WI; and D. P. Schanen, M. Wang, M. Ovchinnikov, and S. J. Ghan

Handout (106.2 kB)

P2.5

Study on the Positioning of Sounding Balloon Drifting associated with a process of Gale and Temperature Drop using MM5

Li Wei, China Meteorological Administration, Beijing, China; and J. Lei Sr., L. Shuyan, Z. Jun, and H. Lei

Handout (1.6 MB)

P2.6

Identifying parameters to describe local land-atmosphere coupling

M. Ek, NOAA/NWS/NCEP, Suitland, MD; and C. Jacobs, J. A. Santanello Jr., and O. Tuinenburg

Poster Session 3

Stable Boundary Layers

Location: Castle Peak Ballroom (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

P3.1

Analysis of the Dispersion of Smoke released in the Night-time Surface Layer

Harm J. J. Jonker, Delft University of Technology, Delft, Netherlands; and S. R. de Roode and F. C. Bosveld

P3.2

Linear relations among atmospheric radon concentration, air temperature, and net radiation in nighttime, and their implications

Y. Omori, Tohoku University, Sendai, Japan; and H. Nagahama, Y. Ishikawa, A. Kimura, M. Nagayama, and T. Sekine

P3.3

Erosion of the nocturnal boundary layer in the Amazonia: during RaCCI / LBA

Theomar T. A. T. Neves Sr., INPE/LUH, São José dos Campo, Brazil; and G. F. Fisch

P3.4 has been moved to the 29AgForest Program

P3.4

Wave-modified turbulence fluxes above and below a forest canopy in the stable boundary layer

Carmen J. Nappo, CJN Research Meteorology, Knoxville, TN; and M. Y. Leclerc, H. F. Duarte, N. Pingintha, D. Durden, G. Zhang, L. Pires, M. J. Parker, and R. J. Kurzeja

P3.5

Climatology of wave-like phenomena in the nocturnal boundary layer

David J. Durden, The University of Georgia, Griffin, GA; and C. J. Nappo and M. Y. Leclerc

P3.6

Assessing the shear-sheltering theory applied to low-level jets in the nocturnal stable boundary layer

Henrique F. Duarte, The University of Georgia, Griffin, GA; and M. Y. Leclerc and G. Zhang

P3.7

Large-eddy simulation of an infinitely large wind farm in a stable atmospheric boundary layer

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

P3.8

Large-eddy‭ ‬simulation of the stable boundary layer with a focus on low-level jet and boundary layer depth

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

Poster Session 4

Numerical Simulations of Boundary Layers

Location: Castle Peak Ballroom (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

P4.1

The entrainment process between the Monsoon flow and the Saharan Air Layer in the West African Monsoon system

Guylaine Canut, Université de Toulouse, Laboratoire d'Aérologie - CNRS UMR 5560, Campistrous, France; and F. Couvreux, M. Lothon, D. Pino, and F. Said

Handout (382.7 kB)

P4.2

Building-resolving simulations in mesoscale models using the immersed boundary method

Katherine A. Lundquist, LLNL, Livermore, CA; and F. K. Chow and J. K. Lundquist

P4.3

Neutrally-stratified boundary layer flows over a 2-D block: An LES study

Yu-Ting Wu, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; and F. Porté-Agel

P4.4

Influence of Subcloud-layer Structures on the Transition to Deep Convection

Steef Boing, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker, A. P. Siebesma, and W. W. Grabowski

Handout (606.6 kB)

P4.5

Analysis of the turbulent kinetic energy budget in the planetary boundary layer by large eddy simulation

Franciano S. Puhales, UFSM, Santa Maria, Rio Grande do Su, Brazil; and O. C. Acevedo, G. A. Degrazia, U. Rizza, and O. L. L. Moraes

P4.6

A large-eddy simulation study of turbulent flow over multiscale topography

Feng Wan, University of Minnesota, Minneapolis, MN; and F. Porté-Agel

P4.7

Modeling the 3D microscale wind structures at a large wind energy farm with complex terrain using the NCAR WRF-RTFDDA-LES model

Yuewei Liu, NCAR, Boulder, CO

P4.8

Nested simulations for wind energy applications

Nikola Marjanovic, University of California, Berkeley, Berkeley, CA; and F. K. Chow and J. K. Lundquist

P4.9

Aerosol-drizzle-cloud interaction in marine boundary layers: Impacts of large-scale conditions

Shouping Wang, NRL, Monterey, CA

Joint Session 3A

Observations in Complex and Urban Terrain I

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; the Ninth Symposium on the Urban Environment; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Sharon Zhong, Michigan State University

9:00 AM

J3A.1

An urban flux tower for atmospheric turbulence and trace gas flux studies

Gunnar W. Schade, Texas A&M University, College Station, TX; and C. H. Park and I. Boedeker

Recorded Presentation

9:15 AM

J3A.2

Multiresolution Reynolds stress analysis of urban canyon turbulence

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

Recorded Presentation

Presentation PDF (161.9 kB)

9:30 AM

J3A.3

Inferring turbulent exchange processes in an urban street canyon from high-frequency thermography

Andreas Christen, University of British Columbia, Vancouver, Canada; and J. A. Voogt

Recorded Presentation

9:45 AM

J3A.4

MicroPoem: experimental investigation of birch pollen emissions

Dominik Michel, University of Basel, Basel, Switzerland; and R. Gehrig, M. W. Rotach, and R. Vogt

Recorded Presentation

Presentation PDF (1.8 MB)

Joint Session 3B

Land-surface-PBL Coupling, Impact of Heterogeneity as Seen in Modeling and Observations I

Location: Torrey's Peak III & IV (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Fotini Katopodes Chow, Univ. of California

9:00 AM

J3B.1

Correlations between thermal surface heterogeneities and secondary circulations during LITFASS-2003 - An LES study

Björn Maronga, Leibniz University of Hannover, Hannover, Germany; and S. Raasch

Recorded Presentation

J3B.2

Numerical simulations of localized boundary layer circulations affecting eddy covariance measurements in inhomogeneous terrain

9:30 AM

J3B.2A

Determination of PBL Dynamics from Water Vapor Profile gradients and potential temperature

Chuen Meei Gan, City College of New York, New York, NY; and B. Gross and J. E. Gonzalez

Recorded Presentation

Presentation PDF (253.0 kB)

9:45 AM

J3B.3

Isolating land-atmosphere feedbacks through coupled hydrologic modeling with idealized terrain

Fotini Katopodes Chow, Univ. of California, Berkeley, CA; and J. Rihani and R. M. Maxwell

Recorded Presentation

10:00 AM

J3B.4

Impact of land-surface variability on turbulent surface fluxes in multi-scale atmospheric simulations

Charles Talbot, Princeton University, Princeton, NJ; and E. Bou-Zeid and J. A. Smith

Recorded Presentation

Joint Session 3C

Observing and Modeling Boundary Layers Over Complex Urban and Terrain Environments for Energy Applications

Location: Torrey's Peak I&II (Keystone Resort)

Hosts: (Joint between the Ninth Symposium on the Urban Environment; and the 19th Symposium on Boundary Layers and Turbulence )

Chair: Jan Kleissl, University of California, san diego

9:00 AM

J3C.1

A study of the urban boundary layer considering different urban canopy parameterizations and high resolution urban canopy parameters with WRF (the case of Houston)

Francisco Salamanca, CIEMAT, Madrid, Spain; and A. Martilli, M. Tewari, and F. Chen

Recorded Presentation

9:15 AM

J3C.2

A numerical study of the urban boundary layer over Madrid during the DESIREX (2008) campaign with WRF

Francisco Salamanca, CIEMAT, Madrid, Spain; and A. Martilli and C. Yagüe

Recorded Presentation

9:30 AM

J3C.3

Modeling urban convection heat transfer by coupling Large eddy simulation with an energy balance model

Long Sun, University of California, san diego, La Jolla, CA; and J. Kleissl

Recorded Presentation

9:45 AM

J3C.4

Urban Simulators to Study Energy and Urban Heat Island Implications

Neda Yaghoobian, Univ. of California, La Jolla, CA; and J. Kleissl

Recorded Presentation

Coffee Break

Location: Shavano Peak (Keystone Resort)

Joint Session 4A

Observations in Complex and Urban Terrain II

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; the Ninth Symposium on the Urban Environment; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Sharon Zhong, Michigan State University

10:30 AM

J4A.1

Comparison of temperature structure parameter measurements by UAV and scintillometer during LITFASS-2009

Sabrina Martin, Technische Universitaet Braunschweig, Braunschweig, Germany; and J. Bange, F. Beyrich, and O. K. Hartogensis

Recorded Presentation

10:45 AM

J4A.2

Determination of surface heterogeneity from surface temperature maps

Yvonne Breitenbach, Eberhard Karls Universität Tübingen, Tübingen, Germany; and J. Bange

Recorded Presentation

11:00 AM

J4A.3

Turbulent fluxes from weight-shift microlight aircraft over transitional grassland of Inner Mongolia

Stefan Metzger, Karlsruhe Institute of Technology, Garmisch-Partenkirchen, Germany; and W. Junkermann, L. Wang, K. Butterbach-Bahl, X. H. Zheng, and T. Foken

Recorded Presentation

11:15 AM

J4A.4

Wind-tunnel experiments of stably-stratified boundary layers over a steep 2-D hill

Wei Zhang, Saint Anthony Falls Laboratory, Minneapolis, MN; and F. Porté-Agel

Recorded Presentation

Joint Session 4B

Land-surface-PBL Coupling, Impact of Heterogeneity as Seen in Modeling and Observations II

Location: Torrey's Peak III & IV (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Fotini Katopodes Chow, Univ. of California

10:30 AM

J4B.1

Spatial and temporal variability of near-surface turbulent kinetic energy over the United States

Warren E. Heilman, USDA Forest Service, Lansing, MI; and X. Bian

Recorded Presentation

10:45 AM

Paper J4B.2 has been moved. New poster number P2.6

10:45 AM

J4B.2A

A wind tunnel study of neutral and stable atmospheric boundary layer evolution over a canopy patch

Corey D. Markfort, University of Minnesota, Minneapolis, MN; and H. G. Stefan and F. Porté-Agel

11:00 AM

J4B.3

Influences of tree-sway on canopy roughness sublayer turbulence: a coupled large-eddy simulation and tree-sway model

Hong-Bing Su, East Carolina University, Greenville, NC

Recorded Presentation

11:15 AM

J4B.4

Reducing uncertainty in a fully-coupled land-atmosphere model

John L. Williams III, Colorado School of Mines, Golden, CO; and R. M. Maxwell

Recorded Presentation

Presentation PDF (1.8 MB)

Joint Session 4C

Observing and Modeling Boundary Layers Over Complex Urban and Terrain Environments for Energy Applications II

Location: Torrey's Peak I&II (Keystone Resort)

Hosts: (Joint between the Ninth Symposium on the Urban Environment; and the 19th Symposium on Boundary Layers and Turbulence )

Chair: Jan Kleissl, University of California, san diego

10:30 AM

J4C.1

A numerical study of an urban breeze and its interaction with convective cells

Young-Hee Ryu, Seoul National University, Seoul, Korea, Republic of (South); and J. J. Baik

10:45 AM

J4C.2

Decoupled stable air above London, UK

Curtis R. Wood, University of Reading, Reading, United Kingdom; and J. F. Barlow, S. E. Belcher, and S. I. L. D. Bohnenstengel

Recorded Presentation

11:00 AM

J4C.3

Development of a fast-response building-resolving urban energy model

Chad Allen, University of Utah, Salt Lake City, UT; and J. Clark, E. Pardyjak, and P. Willemsen

Recorded Presentation

11:15 AM

J4C.4

The effect of stability on estimated variations of advected moisture in the Canyon Air Temperature (CAT) model

Evyatar Erell, Ben Gurion University of the Negev, Midreshet Ben Gurion, Israel; and I. Eliasson, S. Grimmond, B. Offerle, and T. Williamson

Recorded Presentation

Presentation PDF (507.0 kB)

11:30 AM

J4C.5

Effects of Solar Photovoltaic Panels on Roof Heat Transfer

Anthony Dominguez, University of California, San Diego, La Jolla, CA; and J. Kleissl, M. Samady, and J. C. Luvall

Recorded Presentation

J4C.6

Impact Analysis on Wind Flow by Urban Development: Numerical Experiment Using CFD_NIMR_SNU Model

Lunch Break

Session 2A

Boundary-layer Processes I

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Anna Rutgersson, Uppsala University

1:30 PM

2A.1

Coupling between air and surface temperature in the atmospheric surface layer

Anirban Garai, University of California, San Diego, San Diego, CA; and J. Kleissl

Recorded Presentation

1:45 PM

2A.2

Production and flow of turbulence kinetic energy in convective boundary layers

K. G. McNaughton, University of Edinburgh, Kerikeri, New Zealand

Presentation PDF (210.2 kB)

2:00 PM

2A.3

Atmospheric boundary layers influenced by convection and surface waves

Erik Nilsson, Uppsala University, Uppsala, Sweden; and A. Rutgersson, P. P. Sullivan, and A. S. Smedman

Recorded Presentation

2:15 PM

2A.4

Why does turbulence transport momentum, heat, and moisture differently?

Elie Bou-Zeid, Princeton University, Princeton, NJ; and D. Li

Recorded Presentation

2:30 PM

2A.5

Stationarity and low-frequency turbulent flux variability

Luis G. N. Martins, Universidade Federal de Santa Maria, Santa Maria, Brazil; and O. C. Acevedo, G. Welter, and F. D. Costa

Recorded Presentation

2:45 PM

2A.6

Using the Hilbert-Huang cospectrum to determine fluxes in nonstationary conditions

Guilherme Welter, Laboratório Nacional de Computação Científica, Petrópolis, Brazil; and G. A. Degrazia, O. C. Acevedo, L. G. N. Martins, and O. L. L. Moraes

Recorded Presentation

Session 2B

Observations and Modeling Related to Renewable Energy Applications II

Location: Torrey's Peak III & IV (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Kathleen E. Moore, Integrated Environmental Data, LLC

1:30 PM

2B.1

Annualizing wind statistics from ground-based remote sensing

Kathleen E. Moore, Integrated Environmental Data, LLC, Berne, NY

Recorded Presentation

1:45 PM

2B.2

Observational and measurement requirements in the boundary layer for wind energy

Robert M. Banta, NOAA/ESRL, Boulder, CO; and Y. L. Pichugina, N. D. Kelley, W. A. Brewer, and R. M. Hardesty

Recorded Presentation

2:00 PM

2B.3

Assessing atmospheric stability and its impact on rotor-disk wind characteristics at an onshore wind farm

Sonia Wharton, LLNL, Livermore, CA; and J. K. Lundquist

Recorded Presentation

Presentation PDF (385.4 kB)

2:15 PM

2B.4

Wind turbine and sodar observations of wakes in a large wind farm

Robert Conzemius, Windlogics, Inc., Grand Rapids, MN

Recorded Presentation

Presentation PDF (396.7 kB)

2B.5

Remote sensing measurements of wind and turbulence profiles for short-term wind power forecasting

2:45 PM

2B.6

Wind flow characteristics from ship-borne lidar measurements in support of Wind Energy research

Yelena Pichugina, CIRES/Univ. of Colorado, Boulder, CO; and R. M. Banta, W. A. Brewer, S. P. Sandberg, and R. M. Hardesty

Recorded Presentation

Presentation PDF (531.0 kB)

Coffee Break

Location: Shavano Peak (Keystone Resort)

Session 3B

Observations and Modeling Related to Renewable Energy Applications III

Location: Torrey's Peak III & IV (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Jeffrey M. Freedman, AWS Truewind LLC

3:30 PM

3B.1

An investigation of a simulated low-level jet produced by different PBL schemes in the WRF-ARW as verified against tower data

Joseph B. Olson, CIRES/Univ. of Colorado, Boulder, CO; and J. M. Brown

Recorded Presentation

3:45 PM

3B.2

Sensitivity of Wind Power Production to Changes in Surface Roughness: Impacts on Wind Turbine Siting and Energy Production

Charles Alonge, AWS Truewind LLC, Albany, NY; and J. M. Freedman and J. Manobianco

4:00 PM

3B.3

The offshore wind resource and boundary layer structure

Jeffrey M. Freedman, AWS Truewind LLC, Albany, NY; and C. Alonge and J. Manobianco

Recorded Presentation

4:15 PM

3B.4

“Moving” Ground Clutter influence on Radar and Sodar measurements

Jean-Michel Fage Sr., Remtech Inc, The Villages, FL

Recorded Presentation

4:30 PM

3B.5

Atmospheric transport of terrain-induced turbulence from high-resolution LES experiments

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

Recorded Presentation

Session 3A

Boundary-layer Processes II

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: David Pino, Technical University of Catalonia

3:30 PM

3A.1

A Numerical Modeling Study of the Nocturnal Boundary Layer Inside Arizona's Meteor Crater

Michael T. Kiefer, Michigan State University, East Lansing, MI; and S. Zhong

Recorded Presentation

Presentation PDF (538.9 kB)

3:45 PM

3A.2

Local similarity profiles from direct numerical simulation

Arnold F. Moene, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and B. J. H. Van de Wiel and H. J. J. Jonker

Recorded Presentation

Presentation PDF (645.2 kB)

4:00 PM

3A.3

Examination of the linear algebraic subgrid-scale stress [LASS] model, combined with reconstruction of the subfilter-scale stress, for large-eddy simulation of the neutral atmospheric boundary layer

Rica Mae Enriquez, Stanford University, Stanford, USA; and F. K. Chow, R. L. Street, and F. L. Ludwig

Recorded Presentation

Presentation PDF (2.5 MB)

4:15 PM

3A.4

Impact of ocean turbulence on air-sea exchange of long-lived gases

Anna Rutgersson, Uppsala University, Uppsala, Sweden; and A. S. Smedman

Recorded Presentation

4:30 PM

3A.5

Large-Eddy Simulations of the atmospheric boundary layer initialised with synthetic turbulence

Torsten Auerswald, University Tübingen, Tübingen, Germany; and J. Bange, K. Weinman, T. Knopp, R. Radespiel, C. Weinreis, and S. Raasch

Recorded Presentation

4:45 PM

3A.6

Investigation of Subgrid-Scale Turbulence in the Atmospheric Surface Layer using AHATS Field Data

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

Recorded Presentation

5:00 PM

3A.7

Variances of momentum and heat fluxes over turbulence generated by cube array in convective boundary layer

Yuya Baba, JAMSTEC, Kanazawa-ku, Yokohama, Japan; and K. Takahashi

Recorded Presentation

Presentation PDF (1011.9 kB)

3A.8

On the Momentum Transport in the Convective Boundary Layer

3A.8

An annual analysis of the surface energy fluxes over a southern open water surface in USA

Unscheduled time / Conference break

Session 4A

Boundary-layer Processes III

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Mark Zagar, Vestas Wind Systems, A/S

1:30 PM

4A.1

Turbulence characteristics around agricultural waste lagoons

Richard H. Grant, Purdue Univ., West Lafayette, Indiana; and M. T. Boehm

Recorded Presentation

1:45 PM

4A.2

Modelling Of Atmospheric Refractivity In The Marine Atmospheric Boundary Layer Using GEM-LAM

Stéphane Gaudreault, EC, Dorval, QC, Canada; and J. Mailhot, A. Glazer, S. Z. Husain, and S. Belair

2:00 PM

4A.3

Impacts of cloud microphysics and surface characteristics on the Arctic cloud-atmospheric boundary layer-surface (CAS) system in observations and WRF simulations

P. Ola G. Persson, CIRES/Univ. of Colorado and NOAA/ESRL/PSD, Boulder, CO; and A. Solomon, M. Shupe, H. Morrison, and C. E. Birch

Recorded Presentation

2:15 PM

4A.4

Temperature structure in the unstable atmospheric boundary layer

Ann-Sofi Smedman, Uppsala University, Uppsala, Sweden; and U. Högström

Recorded Presentation

2:30 PM

4A.5

Direct Numerical Simulation of Entrainment in Dry Convective Boundary Layers

Harm J. J. Jonker, Delft University of Technology, Delft, Netherlands; and P. P. Sullivan, E. G. Patton, and M. van Reeuwijk

2:45 PM

4A.6

Structure and dynamics of the Martian boundary layer: remote sensing, Large-Eddy Simulations and comparative meteorology

Aymeric Spiga, Laboratoire de Météorologie Dynamique, Paris, France; and F. Forget, S. R. Lewis, and D. Hinson

Recorded Presentation

Presentation PDF (631.0 kB)

Session 4B

Theoretical and Practical Issues Associated With Multi-scale Simulations

Location: Torrey's Peak III & IV (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Jeffrey D. Mirocha, LLNL

1:30 PM

4B.1

Investigation of mixing in a coupled air quality and weather prediction model

Irina V. Djalalova, NOAA, Boulder, CO; and E. Grell and J. W. Bao

Recorded Presentation

1:45 PM

4B.2

A modulated gradient model for large-eddy simulation: application to a neutral atmospheric boundary layer

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

2:00 PM

4B.3

Assessing the performance of the WRF model's large-eddy simulation capability in nested-domain simulations

Gokhan Kirkil, Lawrence Livermore National Laboratory, Livermore, CA; and J. D. Mirocha, B. Kosovic, J. K. Lundquist, F. K. Chow, and E. Bou-Zeid

Recorded Presentation

2:15 PM

4B.4

Large eddy simulation of high wind marine boundary layers above a spectrum of resolved moving waves

Peter P. Sullivan, NCAR, Boulder, CO

Presentation PDF (2.4 MB)

2:30 PM

4B.5

Designing LES of the atmospheric boundary layer to capture law-of-the-wall: SFS stress model and grid

James G. Brasseur, The Pennsylvania State University, University Park, PA; and T. Wei

Recorded Presentation

2:45 PM

4B.6

Designing LES of the Atmospheric Boundary Layer to Capture Law-of-the-Wall: Surface Stress Model and the von Kármán Constant

James G. Brasseur, The Pennsylvania State University, University Park, PA; and T. Wei and S. Ramachandran

Recorded Presentation

Coffee Break

Location: Shavano Peak (Keystone Resort)

Session 5

GABLS (GEWEX Atmospheric Boundary Layer Study)

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Sukanta Basu, Texas Tech University

3:30 PM

5.1

Overview of the GEWEX Atmospheric Boundary Layer Study

Albert A.M. Holtslag, Wageningen University, Wageningen, Netherlands; and F. C. Bosveld, S. Basu, and G. Svensson

Recorded Presentation

3:45 PM

5.2

The Third GABLS SCM Intercomparison and Evaluation Case

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

Recorded Presentation

Presentation PDF (534.3 kB)

4:00 PM

5.3

Stable boundary layers with low-level jets: what did we learn from the LES intercomparison within GABLS3?

Sukanta Basu, Texas Tech University, Lubbock, TX; and F. C. Bosveld and A. A. M. Holtslag

Recorded Presentation

4:15 PM

5.4

Evaluation of PBL models compared to GABLS experiments and testing in meteorology and air quality models

Jonathan E. Pleim, EPA, Research Triangle Park, NC; and R. Gilliam and J. Godowitch

Recorded Presentation

4:30 PM

5.5

A coupled land-surface large-eddy simulation model for nocturnal boundary layer studies

Rob Stoll, University of Utah, Salt Lake City, UT; and N. Shingleton and F. C. Bosveld

Recorded Presentation

Joint Session 5

Land-surface-PBL Coupling, Impact of Heterogeneity as Seen in Modeling and Observations III

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Kyaw Tha Paw U, University of California, Davis

3:30 PM

J5.1

An inverse modelling method with Doppler lidar measurements to estimate the surface sensible heat flux

Tyrone M. Dunbar, University of Reading, Reading, United Kingdom; and S. E. Belcher and J. F. Barlow

Recorded Presentation

3:45 PM

J5.2

Near-ground free convection conditions and energy balance closure over complex terrain – results from the surface turbulence network during COPS

Rafael Eigenmann, University of Bayreuth, Bayreuth, Germany; and B. Broetz, M. Dorninger, N. Kalthoff, M. Kohler, D. Legain, S. Metzger, G. Pigeon, B. Piguet, D. Schüttemeyer, O. Traulle, V. Wirth, and T. Foken

Recorded Presentation

Presentation PDF (573.4 kB)

4:00 PM

J5.3

Identification of processes governing within-canopy momentum and scalar transfer from vegetation canopies to urban landscapes

Margi Böhm, University of Canberra, Canberra, ACT, Australia; and I. Harman, E. Van Gorsel, J. Finnigan, M. Raupach, R. Vogt, and A. Christen

Recorded Presentation

4:15 PM

J5.4

Flux measurements over heterogeneous surfaces: error estimates and fetch requirements

John Kochendorfer, NOAA, Oak Ridge, TN; and K. T. Paw U

Recorded Presentation

4:30 PM

J5.5

Estimating realistic canopy-level atmospheric values from low resolution gridded free-troposphere data through Bayesian inference and Markov Chain Monte Carlo (MCMC) methods

Bin Deng, Indiana University Bloomington, Bloomington, IN; and H. P. Schmid and D. Dragoni

Recorded Presentation

4:45 PM

J5.6

Flux measurements from a tall tower in a complex landscape

Robert J. Kurzeja, Savannah River National Laboratory, Aiken, SC; and A. H. Weber, S. R. Chiswell, and M. J. Parker

Recorded Presentation

Presentation PDF (186.7 kB)

5:00 PM

J5.7 has been moved. New paper number J3B.2A

5:00 PM

J5.8 has been moved. New paper number J4B.2A

J5.9

A climatological analysis of deep convection interactions with the Lake Erie marine boundary layer

Workshop Session 1

CentNet - new network of surface flux stations (to support the turbulence, biological, urban, chemistry, and hydrology research)Discussion Forum

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Workshop Session 2

GABLS (GEWEX Atmospheric Boundary Layer Study) Discussion Forum

Location: Torrey's Peak III & IV (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Joint Session 6

Modeling in Heterogeneous, Complex, and Urban Terrain I

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; the Ninth Symposium on the Urban Environment; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Robert Conzemius, Windlogics, Inc.

9:00 AM

J6.1

Forest canopy sub-layer turbulence and atmospheric coupling in a wildland fire model

A. S. Bova, The Ohio State University, Columbus, OH; and G. Bohrer

Recorded Presentation

9:15 AM

J6.2

Long-distance edge effects in a pine forest with a large and sparse trunk space: in situ and numerical experiments

Sylvain Dupont, UR1263, EPHYSE, INRA, Villenave d'Ornon, France; and J. M. Bonnefond, M. R. Irvine, E. Lamaud, and Y. Brunet

Recorded Presentation

9:30 AM

J6.3

Large-Eddy Simulations on the Effects of Drag Force of Trees : A real case study

Pierre Aumond, CNRM, Toulouse, France; and V. Masson and C. Lac

Recorded Presentation

Presentation PDF (415.4 kB)

9:45 AM

J6.4

A dynamic model for large-eddy simulation of boundary layer flow over rough, multiscale surfaces

William Anderson, University of Texas at Dallas, Richardson, TX; and C. Meneveau

Recorded Presentation

Session 6

Stable Boundary Layers I

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Gunilla Svensson, Stockholm University

9:00 AM

6.1

Common nonstationary heterogenous stable boundary layers

Larry Mahrt, Oregon State University, Corvallis, OR

Recorded Presentation

9:15 AM

6.2

Stable boundary layer modeling for local and regional-scale meteorological models

Jeffrey C. Weil, CIRES/Univ. of Colorado, Boulder, CO

Recorded Presentation

9:30 AM

6.3

Effect of horizontal surface temperature heterogeneity on turbulent mixing in the stably stratified atmospheric boundary layer

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

Recorded Presentation

Presentation PDF (128.2 kB)

9:45 AM

6.4

Intermittent Turbulence in Stable Boundary Layers

Jielun Sun, NCAR, Boulder, CO; and L. Mahrt, R. M. Banta, and Y. L. Pichugina

Recorded Presentation

Coffee Break

Location: Shavano Peak (Keystone Resort)

Joint Session 7

Modeling in Heterogeneous, Complex, and Urban Terrain II

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; the 29th Conference on Agricultural and Forest Meteorology; and the Ninth Symposium on the Urban Environment )

Chair: Robert Conzemius, Windlogics, Inc.

10:30 AM

J7.1

Modeling pollen flow in complex terrain using a Lagrangian dispersion model

Brian J. Viner, Iowa State Univ., Ames, IA; and R. W. Arritt

Recorded Presentation

10:45 AM

J7.2

Modeling of boundary layer processes affecting ozone in the complex terrains of California during PreCalNex 2009 field campaign

S.-W. Kim, CIRES, U. of Colorado and ESRL, NOAA, Boulder, CO; and S. H. Lee, W. Angevine, M. Trainer, C. Senff, A. O. Langford, C. Alvarez, R. Banta, and R. M. Hardesty

Recorded Presentation

11:00 AM

J7.3

Interactions between boundary layer flow and gentle topography covered by vegetation

Ian N. Harman, CSIRO Marine and Atmospheric Research, Canberra, Australia; and J. J. Finnigan, E. G. Patton, and R. H. Shaw

Recorded Presentation

Presentation PDF (696.3 kB)

11:15 AM

J7.4

Toward Improvements to the COAMPS Urban Canopy Parameterization Scheme

William T. Thompson, NRL, Monterey, CA; and T. R. Holt

Recorded Presentation

11:30 AM

J7.5

Katabatic flow induced by a top-hat profile of down-slope surface cooling

Alan Shapiro, University of Oklahoma, Norman, OK; and B. A. Burkholder and E. Fedorovich

Recorded Presentation

Session 7

Stable Boundary Layers II

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Bas van de Weil, Technical Univ. of Eindhoven

10:30 AM

7.1

The stationarity of sub-mesoscale turbulence in the stable planetary boundary layer

Carmen J. Nappo, CJN Research Meteorology, Knoxville, TN; and A. L. Hiscox and D. R. Miller

Recorded Presentation

10:45 AM

7.2

Intermittent Turbulence in Stratified Flow over a Canopy

Steef Boing, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker, B. vandeWiel, and A. F. Moene

Presentation PDF (335.6 kB)

11:00 AM

7.3

TKE budget and vertical structure of intermittent turbulent bursts: modelling and observations

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

Recorded Presentation

11:15 AM

7.4

Modelling intermittent turbulence bursts in the stable boundary layer

Felipe D. Costa, Universidade Federal do Pampa, Alegrete, Brazil; and O. C. Acevedo and G. A. Degrazia

11:30 AM

7.5

Sensing the Stable Boundary Layer in a Towing Tank

G.J. Steeneveld, Wageningen University, Wageningen, Netherlands; and D. Dobrovolschi, A. Paci, O. Eiff, L. Lacaze, and A. A. M. Holtslag

Presentation PDF (370.4 kB)

11:45 AM

7.6

The effects of a gravity-wave stress parameterization a time-dependent mesoscale model

Gunilla Svensson, Stockholm University, Stockholm, Sweden; and C. J. Nappo

Recorded Presentation

Lunch Break

Session 8

Boundary-layer Processes in Global and Regional Climate or Weather Prediction Models I

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Daran L. Rife, NCAR

1:30 PM

8.1

A moist vertical turbulence mixing parameterization in the NCEP GFS

Jongil Han, SRG at NCEP/EMC, College Park, MD; and H. L. Pan

1:45 PM

8.2

The role of balance in coupling the boundary layer and large scale dynamics

Robert John Beare, University of Exeter, Exeter, United Kingdom; and M. J. P. Cullen

Recorded Presentation

2:00 PM

8.3

The Total Energy - Mass Flux PBL scheme in WRF: Experience in real-time forecasts for California

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

Recorded Presentation

2:15 PM

8.4

Impact of the lowest model layer height on performance of PBL parameterizations in numerical prediction

Hyeyum Hailey Shin, Yonsei University, Seoul, Korea, Republic of (South); and S. Y. Hong

Recorded Presentation

2:30 PM

8.5

Global climatology of diurnally varying low-level jets

Daran L. Rife, NCAR, Boulder, CO; and J. O. Pinto, A. J. Monaghan, C. A. Davis, and J. R. Hannan

Recorded Presentation

2:45 PM

8.6

Synoptic controls on moist boundary layer structure

Stephen E. Belcher, University of Reading, Reading, United Kingdom; and I. A. Boutle, R. J. Beare, A. Brown, and R. S. Plant

Recorded Presentation

Joint Session 8

Exchange of Trace Gases (CO2, BVOC, Nitrogen) between the Surface and the PBL for Forest Ecosystems I

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Edward G. Patton, NCAR

1:30 PM

J8.1

The significance of species segregation for Amazonian chemistry

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

Recorded Presentation

Presentation PDF (88.9 kB)

1:45 PM

J8.2

On the diurnal evolution of isoprene and hydroxyl radical over tropical forests

Jordi Vilà-Guerau de Arellano, Wageningen University, Wageningen, Netherlands; and E. G. Patton, T. G. Karl, K. vandenDries, M. C. Barth, and J. J. Orlando

Presentation PDF (518.2 kB)

2:00 PM

J8.3

Uta Moderow, Technische Universität Dresden, Dresden, Germany; and C. Feigenwinter and C. Bernhofer

Recorded Presentation

2:15 PM

J8.4

A novel micrometeorological analysis

Kyaw Tha Paw U, University of California, Davis, Davis, CA; and S. Wharton, J. Kochendorfer, L. Xu, and E. Gonzalez

Recorded Presentation

2:30 PM

J8.5

Impact of a coupled canopy-soil model on canopy-resolving turbulence simulation

Edward Garrett Patton, NCAR, Boulder, CO; and J. C. Weil and P. P. Sullivan

2:45 PM

J8.6

Effects of diabatic stability on turbulent biosphere-atmosphere exchange processes for momentum and scalars

Eva Van Gorsel, CSIRO Atmospheric Research, Canberra, Australia; and M. Böhm, I. Harman, J. Finnigan, A. Christen, and R. Vogt

Recorded Presentation

Coffee Break

Location: Shavano Peak (Keystone Resort)

Joint Session 9

Exchange of Trace Gases (CO2, BVOC, Nitrogen) between the Surface and the PBL for Forest Ecosystems II

Location: Red Cloud Peak (Keystone Resort)

Hosts: (Joint between the 19th Symposium on Boundary Layers and Turbulence; and the 29th Conference on Agricultural and Forest Meteorology )

Chair: Edward Garrett Patton, NCAR

3:30 PM

J9.1

Role of boundary layer processes on the mixed layer CO₂-budget

David Pino, Technical University of Catalonia, Castelldefels, Spain; and J. Vilà-Guerau de Arellano

Recorded Presentation

Presentation PDF (131.9 kB)

3:45 PM

J9.2

A novel approach combining canopy flow analysis and stable isotopes to understand and quantify turbulent carbon exchange in forests

Matthias J. Zeeman, Oregon State University, Corvallis, OR; and P. Sturm, S. Etzold, W. Eugster, N. Buchmann, A. Knohl, and C. K. Thomas

Presentation PDF (315.1 kB)

4:00 PM

J9.3

The ADVEX experiment - Direct CO2 advection measurements and the night flux problem: Final conclusions

Christian Feigenwinter, University of Basel, Basel, Switzerland; and C. Bernhofer, O. Kolle, A. Lindroth, U. Moderow, M. Mölder, R. Queck, C. Rebmann, M. Yernaux, M. Zeri, and M. Aubinet

Recorded Presentation

4:15 PM

J9.4

A study of vertical transport and reaction of isoprene in the convective boundary layer with a second-order closure model

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

Recorded Presentation

4:30 PM

J9.5

Reducing sampling error in Rocky Mountain atmospheric carbon dioxide time series to improve flux retrievals

Bjorn-Gustaf J. Brooks, University of Wisconsin-Madison, Madison, WI; and A. R. Desai and B. B. Stephens

Recorded Presentation

Presentation PDF (311.9 kB)

Session 9

Boundary-layer Processes in Global and Regional Climate or Weather Prediction Models II

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: John M. Edwards, Met Office

3:30 PM

9.1

Estimating 3-D atmospheric boundary layer structure with surface data assimilation using ensemble Kalman filter

Hailing Zhang, University of Utah, Salt Lake City, UT; and Z. Pu

3:45 PM

9.2

Ensemble data assimilation to quantify land-atmosphere coupling errors in numerical weather prediction model formulation

Joshua Hacker, NPS, Monterey, CA; and W. M. Angevine

4:00 PM

9.3

Simulated boundary layer structure and evolution in an Appalachian cold-air damming event with the WRF model

Wanli Wu, NCAR, Boulder, CO; and Y. Liu, J. Grim, F. Vandenberghe, A. Bourgeois, J. Knievel, T. Warner, M. Padovani, G. Luft, and K. Fling

Recorded Presentation

4:15 PM

9.4

Single Column Model study of Planetary Boundary Layer parameterizations with respect to the representation of the effects of subsidence on the evolution of stably-stratified boundary layers

Jeffrey D. Mirocha, Lawrence Livermore National Laboratory, Livermore, CA; and B. Kosovic, J. Hacker, and W. M. Angevine

Recorded Presentation

4:30 PM

9.5

An integrated TKE based eddy-diffusivity/mass-flux boundary layer scheme for the dry convective boundary layer

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

4:45 PM

9.6

Eddy-Diffusivity/Mass-Flux and moist convective boundary layers

Kay Suselj, Jet Propulsion Laboratory/California Institute of Technology, Pasadena, CA; and J. Teixeira, M. Witek, and G. Matheou

5:00 PM

9.7

A simple stratocumulus-to-cumulus transition model derived from the climatological surface energy budget

Johannes Karlsson, JPL, Pasadena, CA; and J. Teixeira

5:15 PM

9.8

Southeast Pacific Stratocumulus in two versions of the Community Atmosphere Model

Brian Medeiros, NCAR, Boulder, CO; and D. L. Williamson, C. Hannay, and J. G. Olson

Recorded Presentation

9.9

New Observations of the Planetary Boundary Layer from GPS Radio Occultation

29AgForest/19BLT/9Urban Joint Banquet

Session 10A

Morning and Afternoon Transitional Behavior of the Boundary Layer

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

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

9:00 AM

10A.1

A conceptual view on inertial oscillations and nocturnal low-level jets

Bas J.H. Van de Wiel, Technical University Eindhoven, Eindhoven, Netherlands; and A. F. Moene, G. J. Steeneveld, P. Baas, F. C. Bosveld, and A. A. M. Holtslag

Recorded Presentation

Presentation PDF (201.4 kB)

9:15 AM

10A.2

Convective Boundary Layers subject to non-stationary Surface Heat Fluxes

Robert van Driel, Delft University, Delft, Netherlands; and H. J. J. Jonker

Presentation PDF (405.0 kB)

9:30 AM

10A.3

Observed characteristics of the afternoon-evening boundary layer transition based on sodar and surface data

Jessica Busse, University of Alabama, Huntsville, AL; and K. R. Knupp

Recorded Presentation

9:45 AM

10A.4

Modeling the decay of the convective boundary layer over heterogeneous terrain

Daniel Nadeau, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland; and E. Pardyjak, C. Higgins, and M. B. Parlange

Recorded Presentation

Session 10B

Boundary-layer Processes IV

Location: Torrey's Peak III & IV (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Joseph B. Olson, CIRES/Univ. of Colorado

10B.1

Variability of turbulence within a daytime stable internal boundary layer over a heterogeneously irrigated cotton field in EBEX

9:15 AM

10B.2

Infra-red sounding of the Trade-wind boundary layer: AIRS and the RICO Experiment

João Paulo Afonso Martins, University of Lisbon, Lisbon, Portugal; and J. Teixeira, P. M. M. Soares, P. M. A. Miranda, V. Dang, E. J. Fetzer, E. Fishbein, and F. W. Irion

Recorded Presentation

9:30 AM

10B.3

Annual variability of boundary layer height and its correlation to surface meteorological variables in the California valley

Laura Bianco, NOAA/ESRL/PSD and CIRES/Univ. of Colorado, Boulder, CO; and I. V. Djalalova, C. W. King, and J. M. Wilczak

Recorded Presentation

9:45 AM

10B.4

Doppler wind lidar measured PBL wind profiles and their impact on numerical simulations of mesoscale convective systems

Zhaoxia Pu, University of Utah, Salt Lake City, UT; and Z. Li, L. Zhang, B. B. Demoz, and B. Gentry

Coffee Break

Location: Shavano Peak (Keystone Resort)

Session 11A

Stable Boundary Layers III

Location: Torrey's Peak I&II (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Yannick Meillier, University of Colorado

10:30 AM

11A.1

Dispersion of spray from insect foggers in stable boundary layers

David R. Miller, Univ. of Connecticut, Storrs, CT; and A. L. Hiscox and J. Wang

Recorded Presentation

10:45 AM

11A.2

Quantification of plume meandering motions in the stable boundary layer

April L. Hiscox, University of South Carolina, Columbia, SC; and D. R. Milller and C. J. Nappo

Recorded Presentation

11:00 AM

11A.3

Climatological Characteristics of Surface-Based Inversions over the Arctic and Antarctic

Yehui Zhang, NOAA/ARL, Silver Spring, MD; and D. J. Seidel, J. C. Golaz, C. Deser, R. Tomas, J. Kay, C. O. Ao, B. Medeiros, and S. Park

Recorded Presentation

11:15 AM

11A.4

Residual Layer turbulence and Nocturnal Boundary Layer dynamics at the Boulder Atmospheric Observatory using the high-resolution turbulence sensors of the CIRES Tethered Lifting System

Yannick Meillier, University of Colorado, Boulder, CO; and R. Frehlich

Recorded Presentation

11:30 AM

11A.5

Outlier problem for gradient-based scaling in the stable 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

11A.6

Characteristics of turbulent slope flows in stably-stratified environments: numerical results from Large-Eddy Simulation

Session 11B

Boundary-layer Processes V

Location: Torrey's Peak III & IV (Keystone Resort)

Host: 19th Symposium on Boundary Layers and Turbulence

Chair: Paul Bieringer, NCAR

10:30 AM

11B.1

Intermittency of turbulence within open canopies

Young-Hee Lee, Kyungpook National University, Daegu, Korea, Republic of (South)

10:45 AM

11B.2

Defining Boundary Layer Height from Aircraft and Rawinsonde Measurements

Qing Wang, Naval Postgraduate School, Monterey, CA; and C. Dai, Z. Gao, M. Zhou, and D. H. Lenschow

Recorded Presentation

11:00 AM

11B.3

An evaluation of large-eddy numerical simulations of near-surface winds and chemical dispersion during the FFT-07 field program

Paul Bieringer, NCAR, Boulder, CO; and A. Wyszogrodzki, J. Weil, G. Bieberbach, and N. Platt

Recorded Presentation

11:15 AM

11B.4

High resolution boundary layer dispersion simulation study using Eulerian and Lagrangian approaches with WRF

Branko Kosovic, NCAR, Boulder, CO; and P. Bieringer, J. Weil, A. Wyszogrodski, and G. Bieberbach

11:30 AM

11B.5

Large-eddy simulation of Kelvin-Helmholtz waves

Yuki Kuroki, National Defense Academy, Yokosuka, Kanagawa, Japan

Recorded Presentation

Presentation PDF (193.3 kB)

11:45 AM

11B.6

A local model of the subfilter-scale energy for LES of the atmospheric boundary layer

Scott T. Salesky, University of British Columbia, Vancouver, Canada; and M. Chamecki

Recorded Presentation

Conference Ends

19th Symposium on Boundary Layers and Turbulence

Sunday, 1 August 2010

5:00 PM-7:00 PM: Sunday, 1 August 2010

Monday, 2 August 2010

7:30 AM-5:45 PM: Monday, 2 August 2010

9:00 AM-9:15 AM: Monday, 2 August 2010

9:15 AM-10:00 AM: Monday, 2 August 2010

10:00 AM-10:30 AM: Monday, 2 August 2010

10:30 AM-12:00 PM: Monday, 2 August 2010

12:00 PM-1:30 PM: Monday, 2 August 2010

1:30 PM-2:30 PM: Monday, 2 August 2010

2:30 PM-3:30 PM: Monday, 2 August 2010

3:30 PM-5:45 PM: Monday, 2 August 2010

6:00 PM-7:30 PM: Monday, 2 August 2010

Tuesday, 3 August 2010

9:00 AM-10:00 AM: Tuesday, 3 August 2010

10:00 AM-10:30 AM: Tuesday, 3 August 2010

10:30 AM-11:30 AM: Tuesday, 3 August 2010

10:30 AM-12:00 PM: Tuesday, 3 August 2010

12:00 PM-1:30 PM: Tuesday, 3 August 2010

1:30 PM-3:00 PM: Tuesday, 3 August 2010

3:00 PM-3:30 PM: Tuesday, 3 August 2010

3:30 PM-4:45 PM: Tuesday, 3 August 2010

3:30 PM-5:45 PM: Tuesday, 3 August 2010

Wednesday, 4 August 2010

9:00 AM-1:30 PM: Wednesday, 4 August 2010

1:30 PM-3:00 PM: Wednesday, 4 August 2010

3:00 PM-3:30 PM: Wednesday, 4 August 2010

3:30 PM-4:45 PM: Wednesday, 4 August 2010

3:30 PM-5:00 PM: Wednesday, 4 August 2010

6:00 PM-7:30 PM: Wednesday, 4 August 2010

Thursday, 5 August 2010

9:00 AM-10:00 AM: Thursday, 5 August 2010

10:00 AM-10:30 AM: Thursday, 5 August 2010

10:30 AM-11:45 AM: Thursday, 5 August 2010

10:30 AM-12:00 PM: Thursday, 5 August 2010

12:00 PM-1:30 PM: Thursday, 5 August 2010

1:30 PM-3:00 PM: Thursday, 5 August 2010

3:00 PM-3:30 PM: Thursday, 5 August 2010

3:30 PM-5:15 PM: Thursday, 5 August 2010

3:30 PM-5:45 PM: Thursday, 5 August 2010

6:00 PM-9:00 PM: Thursday, 5 August 2010

Friday, 6 August 2010

9:00 AM-10:00 AM: Friday, 6 August 2010

10:00 AM-10:30 AM: Friday, 6 August 2010

10:30 AM-12:00 PM: Friday, 6 August 2010

12:00 PM-12:05 PM: Friday, 6 August 2010

Sunday, 1 August 2010

5:00 PM-7:00 PM: Sunday, 1 August 2010

Monday, 2 August 2010

7:30 AM-5:45 PM: Monday, 2 August 2010

9:00 AM-9:15 AM: Monday, 2 August 2010

9:15 AM-10:00 AM: Monday, 2 August 2010

10:00 AM-10:30 AM: Monday, 2 August 2010

10:30 AM-12:00 PM: Monday, 2 August 2010

12:00 PM-1:30 PM: Monday, 2 August 2010

1:30 PM-2:30 PM: Monday, 2 August 2010

2:30 PM-3:30 PM: Monday, 2 August 2010

3:30 PM-5:45 PM: Monday, 2 August 2010

6:00 PM-7:30 PM: Monday, 2 August 2010

Tuesday, 3 August 2010

9:00 AM-10:00 AM: Tuesday, 3 August 2010

10:00 AM-10:30 AM: Tuesday, 3 August 2010

10:30 AM-11:30 AM: Tuesday, 3 August 2010

10:30 AM-12:00 PM: Tuesday, 3 August 2010

12:00 PM-1:30 PM: Tuesday, 3 August 2010

1:30 PM-3:00 PM: Tuesday, 3 August 2010

3:00 PM-3:30 PM: Tuesday, 3 August 2010

3:30 PM-4:45 PM: Tuesday, 3 August 2010

3:30 PM-5:45 PM: Tuesday, 3 August 2010

Wednesday, 4 August 2010

9:00 AM-1:30 PM: Wednesday, 4 August 2010

1:30 PM-3:00 PM: Wednesday, 4 August 2010

3:00 PM-3:30 PM: Wednesday, 4 August 2010

3:30 PM-4:45 PM: Wednesday, 4 August 2010

3:30 PM-5:00 PM: Wednesday, 4 August 2010

6:00 PM-7:30 PM: Wednesday, 4 August 2010

Thursday, 5 August 2010

9:00 AM-10:00 AM: Thursday, 5 August 2010

10:00 AM-10:30 AM: Thursday, 5 August 2010