18th Symposium on Boundary Layers and Turbulence (Expanded View)

* - Indicates paper has been withdrawn from meeting

Program Chairpersons:
Gunilla Svensson, Stockholm University

Compact View of Conference

Monday, 9 June 2008
9:00 AM-10:00 AM, Monday, Aula Magna
Session 1 WELCOME & EKMAN LECTURE
Chair: Gunilla Svensson, Stockholm University, Stockholm Sweden
9:00 AMWelcoming Remarks by Stockholm University Vice-Chancellor, Kåre Bremer   
9:15 AMWelcoming Remarks by Program Chairperson, Gunilla Svensson  
9:30 AM1.1Ekman Lecture: The Planetary Boundary Layer: What We Know Now and Where to Go Next  
Donald H. Lenschow, NCAR, Boulder, CO
9:45 AMDiscussion  
 
10:00 AM-10:30 AM, Monday
COFFEE BREAK
 
10:30 AM-12:00 PM, Monday, Aula Magna
Session 2 BOUNDARY LAYER PROCESSES IN GLOBAL AND REGIONAL CLIMATE OR WEATHER PREDICTION MODELS—I
Chair: Gunilla Svensson, Stockholm University, Stockholm Sweden
10:30 AM2.1Modeling atmospheric boundary layers for climate studies  
Albert A.M. Holtslag, Wageningen University, Wageningen, Netherlands; and G. Svensson, P. J. Rasch, and W. Large
10:45 AM2.2Assessment of numerical weather forecasts against near-surface observations over an annual cycle  extended abstract
John M. Edwards, Met Office, Exeter, United Kingdom; and J. McGregor, M. R. Bush, and F. J. Bornemann
11:00 AM2.3Simulating atmosphere flow for wind energy applications with WRF-LES  
Julie K. Lundquist, LLNL, Livermore, CA; and J. D. Mirocha, F. K. Chow, B. Kosovic, and K. A. Lundquist
11:15 AM2.4Scaling analysis of the turbulent kinetic energy at the entrainment zone in sheared convective boundary layers  extended abstract
David Pino, Technical University of Catalonia, Castelldefels, Spain; and J. Vilà-Guerau de Arellano
11:30 AM2.5Quantifying the effects of mesoscale motion  
Thorsten Mauritsen, Stockholm University, Stockholm, Sweden
11:45 AM2.6New entrainment rate parameterization for a unified PBL scheme  
Cara-Lyn Lappen, Colorado State University, Fort Collins, CO; and D. A. Randall
 
12:00 PM-1:30 PM, Monday
LUNCH BREAK
 
1:30 PM-3:00 PM, Monday, Aula Magna
Session 3 BOUNDARY LAYER PROCESSES IN GLOBAL AND REGIONAL CLIMATE OR WEATHER PREDICTION MODELS—II
Chair: Branko Kosovic, LLNL, Livermore, CA
1:30 PM3.1Resolvability of small-scale non-turbulent motions in the boundary layer by numerical models  
Danijel Belusic, University of Zagreb, Zagreb, Croatia; and L. Mahrt and B. Grisogono
3.2Boundary layer properties in a numerical weather forecast model  
Margaret A. LeMone, NCAR, Boulder, CO; and F. Chen and M. Tewari
1:45 PM3.3Boundary layer evolution under compensatory mesoscale circulations  
Millan M. Millan, Fundacion CEAM, Paterna, Valencia, Spain; and E. Mantilla and R. Salvador
2:00 PM3.4Synoptic controls on boundary layer structure  
Victoria A. Sinclair, University of Reading, Reading, Berks., United Kingdom; and S. E. Belcher and S. L. Gray
2:15 PM3.5The role of boundary layer processes in mid-latitude cyclones  
Stephen E. Belcher, University of Reading, Reading, Berks., United Kingdom; and I. Boutle, R. S. Plant, and R. J. Beare
2:30 PM3.6Impact of a swell-dependent roughness parameter in a regional climate model  
Björn Carlsson, Uppsala University, Uppsala, Sweden; and A. Rutgersson and A. S. Smedman
 
3:00 PM-3:30 PM, Monday
COFFEE BREAK
 
3:30 PM-5:00 PM, Monday, Aula Magna
Session 4 STABLE BOUNDARY LAYERS—I
Chair: Cheryl L. Klipp, U.S. Army Research Laboratory, Adelphi, MD
3:30 PM4.1Mesoscale motions and their influence on turbulence in stable conditions  
Larry Mahrt, Oregon State University, Corvallis, OR
3:45 PM4.2Modeling turbulent fluxes in heterogeneous thermally stratified boundary layers  
Fernando Porté-Agel, University of Minnesota, Minneapolis, MN; and L. Chamorro, R. Stoll, and J. Tucker
4:00 PM4.3Observations of turbulence in the residual layer  
Michael Tjernström, University of Stockholm, Stockholm, Sweden; and B. B. Balsley, G. Svensson, and C. J. Nappo
4:15 PM4.4Small-scale atmospheric turbulence in very stable conditions  
Andrey A. Grachev, CIRES/Univ. of Colorado, Boulder, CO; and E. L. Andreas, C. W. Fairall, P. S. Guest, and P. O. G. Persson
4:30 PM4.5Low-level-jet scaling of the stable boundary layer over the United States Great Plains  extended abstract
Robert M. Banta, NOAA/ESRL, Boulder, CO; and Y. L. Pichugina, N. D. Kelley, and W. A. Brewer
4:45 PM4.6Similarity theory and parameterization of the stably stratified atmospheric boundary layers  
Sergej Zilitinkevich, University of Helsinki, Helsinki, Finland; and I. Esau
 
4:55 PM-7:00 PM, Monday
ICEBREAKER RECEPTION AND FORMAL POSTER VIEWING
 
5:00 PM-7:00 PM, Monday
Poster Session 1 BOUNDARY LAYER PROCESSES IN GLOBAL AND REGIONAL CLIMATE OR WEATHER PREDICTION MODELS
 P1.1The Quality of Horizontal Advective Tendencies in Atmospheric Models  extended abstract
Fred C. Bosveld, KNMI, De Bilt, Netherlands; and E. Van Meijgaard, C. De Bruijn, and G. J. Steeneveld
 P1.2Using a Network of Scintillometers and Ceilometers for Validation of the WRF-mesoscale Model  extended abstract
Gert-Jan Steeneveld, Wageningen University, Wageningen, Netherlands; and O. K. Hartogensis, A. F. Moene, H. K. Baltink, and A. A. M. Holtslag
 P1.3A conditional sampling of boundary layer plumes for the validation of mass flux parameterizations  
Fleur Couvreux, Meteo-France, Toulouse, France; and C. Rio
 P1.4Analytical-Numerical Solutions for the One Dimensional PBL  extended abstract
Janis Rimshans, University of Latvia, Riga, Latvia; and I. Esau, S. Zilitinkevich, and S. Guseynov
 P1.5Improving mixing length-scale for the stable boundary layer in mesoscale models  
Branko Grisogono, University of Zagreb, Zagreb, Croatia; and D. Belusic
 P1.6Assessment of the Canadian urban modeling system using Joint Urban 2003 observations over Oklahoma City  
Jocelyn Mailhot, EC, Dorval, QC, Canada; and A. Lemonsu and S. Bélair
 P1.7Improving Mellor-Yamada-Janjic boundary layer parameterization, case of marine atmospheric boundary layer  
Kay Suselj, University of Oldenburg, Oldenburg, Germany; and A. Sood
 P1.8The transition from stratus topped to trade-wind cumulus topped marine boundary layer in global climate models  
Johannes Karlsson, Stockholm University, Stockholm, Sweden; and G. Svensson, J. Teixeira, and S. Cardoso
 P1.9The diurnal cycle of the near surface temperature, wind and surface exchange in the NCAR CCSM  
Gunilla Svensson, Stockholm University, Stockholm, Sweden; and A. A. M. Holtslag, P. J. Rasch, and W. Large
 P1.10 moved. New Paper Number P5.4  
 P1.11Urbanized MM5 simulations for urban heat island, regional ozone, and urban-scale emergency-response applications  
Robert D. Bornstein, San Jose State University, San Jose, CA; and E. Weinroth, R. Balmori, and H. Taha
 
5:00 PM-7:00 PM, Monday
Poster Session 2 OBSERVATIONAL METHODS AND REMOTE SENSING
P2.1Sodar retrievals of the temperature structure parameter  
Barbara J. Brooks, University of Leeds, Leeds, England; and I. M. Brooks
 P2.2Comparison of vertical boundary-layer profiles from AMDAR to a wind profiler  
C. Drüe, University of Hannover, Hannover, Germany; and A. Hoff and T. Hauf
P2.3A balloon-borne turbulence system  
Ian M. Brooks, University of Leeds, Leeds, West Yorkshire, United Kingdom; and M. Hill, B. J. Brooks, C. E. Birch, and S. J. Norris
 P2.4Turbulence effects on wind turbines: A wind-tunnel study  
Leonardo Chamorro, University of Minnesota, Minneapolis, MN; and Y. T. Wu and F. Porté-Agel
 P2.5Influence of turbulent mixing and air circulation in the lower atmosphere on fetch areas of selected WMO Global Atmosphere Watch baseline air pollution stations  extended abstract
Wlodek Zahorowski, Australian Nuclear Science and Technology Organisation, Menai, NSW, Australia; and S. Chambers, C. H. Kang, J. Crawford, S. Werczynski, and A. G. Williams
 P2.6ModObs: “Atmospheric modelling for wind energy, climate and environment applications: exploring added value from new observation technique”. Work in progress within an European FP6 Marie Curie Research Training Network  
Anna Maria Sempreviva, Italian National Council of Research / Institute of Atmospheric Sciences and Climate, Rome, Italy; and L. L. Soerensen, H. E. Joergensen, A. Sood, B. Tammelin, T. Vimha, T. Neumann, F. Chêruy, G. Liberti, A. Lanotte, U. Rizza, M. Miglietta, A. Rutgersson, A. S. Smedman, I. Esau, L. E. Jensen, L. C. Christensen, B. Furevik, O. Saetra, M. Khalil, R. Wagner, K. Suselj, B. Canadillas, L. Claveri, A. Catarino, M. Cassol, L. Velea, A. Semedo, and T. Hansson
 P2.7The spectral dynamics analysis of the transitions periods in the convective boundary Layer  
A. Goulart, Universidade Federal do Pampa, Alegrete, Brazil; and M. T. Vilhena, P. M. M. Soares, and D. M. Moreira
 P2.8Spatial features of bora related turbulence  
ŽEljko Veèenaj, University of Zagreb, Zagreb, Croatia; and D. Belusic, V. Grubisic, and B. Grisogono
 P2.9Atmospheric turbulence characteristics in central London  
Curtis R. Wood, The Univ. of Reading, Reading, United Kingdom; and J. Barlow, S. E. Belcher, A. Dobre, A. Tomlin, A. Balogun, J. Tate, A. Robins, S. Arnold, D. Martin, D. Shallcross, R. Britter, M. Neophytou, R. Colville, H. Apsimon, and H. Wang
 
Tuesday, 10 June 2008
9:00 AM-10:00 AM, Tuesday, Aula Magna Vänster
Session 5A BOUNDARY LAYER PROCESSES IN GLOBAL AND REGIONAL CLIMATE OR WEATHER PREDICTION MODELS—III
Chair: Jordi Vila, Wageningen University, Wageningen Netherlands
9:00 AM5A.1Sensitivity study of simulated wind profiles to model resolution, land cover and climate forcing data  extended abstract
Janna Lindenberg, GKSS Research Center, Geesthacht, Germany; and H. T. Mengelkamp and W. Yu
9:15 AM5A.2Study of the effect of the QNSE-based surface layer parameterization on the warm bias in simulations of stably stratified boundary layers  
Boris Galperin, University of South Florida, St. Petersburg, FL; and S. Sukoriansky and E. Atlaskin
9:30 AM5A.3Evaluating the RAMS to represent the Stable Boundary Layer in the South America Pampa  
Osvaldo Moraes, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and R. D. C. M. Alves, O. C. Acevedo, H. Zimermann, and C. Teichrieb
9:45 AM5A.4Effect of climate change on regional surface layer winds  
Jeffrey M. Freedman, AWS Truewind LLC, Albany, NY; and K. T. Waight, M. Brower, and P. Duffy
 
9:00 AM-10:00 AM, Tuesday, Aula Magna Höger
Session 5B OBSERVATIONAL METHODS—I
Chair: Harm J. J. Jonker, Delft University of Technology, Delft Netherlands
9:00 AM5B.1New developments in field experiments in ASL: Kolmogorov 4/5 law and non-locality  extended abstract
Michael Kholmyansky, Tel-Aviv University, Tel-Aviv, Israel; and V. Sabelnikov and A. Tsinober
9:15 AM5B.2Attenuation of scalar fluxes measured with vertically displaced sensors  extended abstract
Thomas W. Horst, NCAR, Boulder, CO
9:30 AM5B.3Scaling properties of temperature spectra in the surface friction layer  extended abstract
Johannes Laubach, Manaaki Whenua - Landcare Research, Lincoln, New Zealand; and K. G. McNaughton
9:45 AM5B.4Ten years of operational measurements at the boundary layer field site of the Meteorological Observatory Lindenberg / Richard – Aßmann Observatory (DWD)  
Frank Beyrich, German Meteorological Service, Lindenberg, Germany; and C. Heret, S. H. Richter, U. Rummel, G. Vogel, and U. Weisensee
 
10:00 AM-10:30 AM, Tuesday
COFFEE BREAK
 
10:30 AM-12:15 PM, Tuesday, Aula Magna Vänster
Session 6A BOUNDARY LAYER PROCESSES IN GLOBAL AND REGIONAL CLIMATE OR WEATHER PREDICTION MODELS—IV
Chair: Jordi Vila, Wageningen University, Wageningen Netherlands
10:30 AM6A.1Evaluation of a combined local and non-local closure PBL model in both WRF and CMAQ simulations compared to observed vertical profiles of meteorological and chemical species  
Jonathan E. Pleim, NOAA/ERL/ARL, Research Triangle Park, NC; and R. Gilliam and S. Yu
10:45 AM6A.2A parameterization with wave saturation adjustment of subgrid-scale average wave stress over three-dimensional topography  extended abstract
Carmen J. Nappo, NOAA/ARL/ATDD, Oak Ridge, TN; and G. Svensson
11:00 AM6A.3Stably stratified boundary layer simulations with a non-local closure model  extended abstract
N. M. Colonna, Università del Piemonte Orientale, Alessandria, Italy; and E. Ferrero and U. Rizza
11:15 AM6A.4Conceptual analysis of the non-stationarity of wind fields in the CBL  
Joel Schröter, Wageningen University, Wageningen, Netherlands; and A. F. Moene and A. A. M. Holtslag
11:30 AM6A.5A boundary layer scheme for mesoscale models using current science  extended abstract
Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL, Boulder, CO; and T. Mauritsen
11:45 AM6A.6The Scaling Behaviour of a Turbulent Kinetic Energy Closure Model for Stably Stratified Conditions  
P. Baas, KNMI, De Bilt, Netherlands; and S. R. De Roode and G. Lenderink
12:00 PM6A.7Accounting for the effect sub-grid scale emission variability on upper-air concentration  
Stefano Galmarini, Joint Research Centre of the European Commission, Ispra, Italy; and J. F. Vinuesa and A. Martilli
 
10:30 AM-12:15 PM, Tuesday, Aula Magna Höger
Session 6B OBSERVATIONAL METHODS—II
Chair: Harm J. J. Jonker, Delft University of Technology, Delft Netherlands
10:30 AM6B.1Taking the pulse of the monsoon flux over West Africa prior to the monsoon onset  
Fleur Couvreux, Meteo-France, Toulouse, France; and F. Guichard, O. Bock, J. P. Lafore, J. L. Redelsperger, M. Lothon, and F. Said
10:45 AM6B.2Observational verification of urban surface roughness parameters derived from morphological models  extended abstract
Gang Liu, Nanjing University, Nanjing, China; and J. Sun
11:00 AM6B.3SUMO: A Small Unmanned Meteorological Observer for atmospheric boundary layer research  extended abstract
Joachim Reuder, Geophysical Institute, University of Bergen, Bergen, Norway; and P. Brisset, M. Müller, M. Jonassen, and S. Mayer
11:15 AM6B.4First wind measurements with the Meteorological UAV 'M2AV Carolo'  extended abstract
Aline C. Van den Kroonenberg, Technical University, Braunschweig, Germany; and T. Spieß and J. Bange
11:30 AM6B.5Temporal variability of energy and mass fluxes at a residential site in a tropical city  
Matthias Roth, National University of Singapore, Singapore, Singapore; and C. Jansson
11:45 AM6B.6Further development of the Tethersonde instrument  extended abstract
M. J. Hobby, National Centre for Atmospheric Science, Leeds, West Yorkshire, United Kingdom; and S. D. Mobbs and A. M. Blyth
12:00 PM6B.7Experimental validation of the Webb correction for CO2 flux with an open-path gas analyzer  extended abstract
Osamu Tsukamoto, Okayama University, Okayama, Japan; and F. Kondo
 
12:15 PM-1:30 PM, Tuesday
LUNCH BREAK
 
1:30 PM-3:00 PM, Tuesday, Aula Magna Vänster
Session 7A BOUNDARY LAYER PROCESSES IN GLOBAL AND REGIONAL CLIMATE OR WEATHER PREDICTION MODELS—V
Chair: John M. Edwards, Met Office, Exeter United Kingdom
1:30 PM7A.1Do we need to account for lakes in climate and NWP modelling?  extended abstract
Patrick Samuelsson, Swedish Meteorological and Hydrological Institute, Norrköping, Sweden; and E. Kuorzeneva and D. Mironov
1:45 PM7A.2Idealized studies with the new urban scheme of the Met Office Unified Model  extended abstract
Aurore Porson, Department of Meteorology, University of Reading, UK, Reading, United Kingdom; and S. I. Bohnenstengel, S. Belcher, P. Clark, and I. N. Harman
2:00 PM7A.3Sensitivity to morphology in urban boundary layer modeling at the mesoscale  extended abstract
David D. Flagg, York University, Toronto, ON, Canada; and P. A. Taylor
7A.4Idealized simulations of the interaction between wind farms and the atmospheric boundary layer  
Amanda S. Adams, Univ. of Calgary, Calgary, AB, Canada; and D. W. Keith
2:15 PM7A.5Tests of RANS-based PBL schemes against LES, RUC, and tall tower data  extended abstract
Robert Conzemius, Windlogics, Inc., Grand Rapids, MN; and D. Moon
2:30 PM7A.6An improved turbulence model for atmospheric boundary Layer over earth's surface with large-scale roughness and local thermal inhomogeneity  
A.F. Kurbatskiy, Khristianovich Institute & Russian Academy of Sciences, Novosibirsk, Russia; and L. I. Kurbatskaya
 
1:30 PM-3:00 PM, Tuesday, Aula Magna Höger
Session 7B PRECISION REMOTE SENSING OF THE PBL—I
Chair: Robert M. Banta, NOAA/ERL/ETL, Boulder, CO
1:30 PM7B.1Measurements of turbulence structure in the daytime convective boundary layer from a ground-based Doppler lidar  extended abstract
Marie Lothon, Université de Toulouse, Campistrous, France; and D. H. Lenschow and S. D. Mayor
1:45 PM7B.2Measurements of turbulent kinetic energy dissipation rate derived from Doppler lidar  
Ewan J. O'Connor, University of Reading, Reading, Berks., United Kingdom; and R. J. Hogan, A. J. Illingworth, and C. D. Westbrook
7B.3Simultaneous measurements of water vapor and temperature with a scanning Raman lidar  
Martin Froidevaux, Ecole Polytechnique Federale Lausanne, Lausanne, Switzerland; and M. B. Parlange, I. Serikov, P. Ristori, V. Simeonov, and H. Van den Bergh
2:00 PM7B.4Turbulence, shear and stability influences on lower boundary-layer wind profiles  extended abstract
Kathleen E. Moore, Integrated Environmental Data, LLC, Berne, NY; and B. H. Bailey
7B.5High accuracy wind shear measurement with a compact pulsed Coherent Doppler Lidar  
Christine Aussibal, LEOSPHERE, Orsay, France; and P. Lindelöw, R. Parmentier, and J. P. Cariou
2:15 PM7B.6Nocturnal boundary layer height estimate from Doppler lidar measurements  extended abstract
Yelena L. Pichugina, CIRES/Univ. of Colorado and NOAA/ESRL, Boulder, CO; and R. M. Banta
 
3:00 PM-3:30 PM, Tuesday
COFFEE BREAK
 
3:30 PM-5:15 PM, Tuesday, Aula Magna Vänster
Session 8A GABLS
Chair: Albert A.M. Holtslag, Wageningen University, Wageningen Netherlands
3:30 PM8A.1The second GABLS experiment—what did we learn?  
Gunilla Svensson, Stockholm University, Stockholm, Sweden; and A. A. M. Holtslag
3:45 PM8A.2Large-eddy simulations of the diurnal cycle in the atmospheric boundary layer and the impact of land surface conditions and geostrophic forcings  
Vijayant Kumar, Johns Hopkins University, Baltimore, MD; and C. Meneveau, M. B. Parlange, G. Svensson, and A. A. M. Holtslag
4:00 PM8A.3From the GABLS's result to the ARPEGE NWP system: an easy ride?  extended abstract
Eric Bazile, Météo-France, Toulouse, France; and Y. Bouteloup, F. Bouyssel, and P. Marquet
4:15 PM8A.4Towards a third Intercomparison Case for GABLS using Cabauw Data  extended abstract
P. Baas, KNMI, De Bilt, Netherlands; and F. C. Bosveld, G. J. Steeneveld, and A. A. M. Holtslag
4:30 PM8A.5Intercomparison of Single-column Models for GABLS3 preliminary Results  extended abstract
Fred C. Bosveld, KNMI, De Bilt, Netherlands; and C. De Bruijn and A. A. M. Holtslag
8A.6The KNMI Parameterization Testbed: Motivation, Configuration and Preliminary results  
Roel Neggers, KNMI, De Bilt, Netherlands
4:45 PM8A.7Large-Eddy Simulation Intercomparison Case Setup for GABLS3  
Sukanta Basu, Texas Tech University, Lubbock, TX; and G. J. Steeneveld, A. A. M. Holtslag, and F. C. Bosveld
 
3:30 PM-4:45 PM, Tuesday, Aula Magna Höger
Session 8B PRECISION REMOTE SENSING OF THE PBL—II
Chair: Robert M. Banta, NOAA/ERL/ETL, Boulder, CO
3:30 PM8B.1Visualisation of turbulent exchange using a thermal camera  
Roland Vogt, University of Basel, Basel, Switzerland
3:45 PM8B.2First Results of an Optical and Millimeter Wave Scintillometer system at the Chilbolton test range  
Oscar K. Hartogensis, Wageningen University, Wageningen, Netherlands; and B. Van Kesteren, J. Evans, J. Bradford, A. F. Moene, and A. A. M. Holtslag
4:00 PM8B.3Understanding the scintillometer signal: spatial variability of structure parameters using wavelet analysis  
Arnold F. Moene, Wageningen University, Wageningen, Netherlands; and B. Gioli
4:15 PM8B.4Structure function calculations of convective turbulence during COPS  extended abstract
Fay Davies, Univ. of Salford, Salford, United Kingdom; and C. G. Collier and G. N. Pearson
4:30 PM8B.5Boundary layer structure & aerosol properties: lidar retrievals and in-situ measurements  extended abstract
Ian M. Brooks, University of Leeds, Leeds, West Yorkshire, United Kingdom; and B. J. Brooks, A. J. Illingworth, C. L. Wrench, J. Agnew, E. O'Conner, S. J. Norris, and C. E. Birch
 
6:00 PM-8:00 PM, Tuesday
INTERNATIONAL RECEPTION AT STOCKHOLM CITY HALL
 
Wednesday, 11 June 2008
9:00 AM-10:00 AM, Wednesday, Aula Magna Vänster
Session 9A LAND-SURFACE-PBL COUPLING—I
Chair: Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL, Boulder, CO
9:00 AM9A.1Analysis and classification of flows over gently sloping terrain within patchy vegetation  
Sean Arms, University of Oklahoma, Norman, OK; and P. M. Klein and E. Fedorovich
9:15 AM9A.2Determination of temperature roughness length for built environment with high resolution wireless meteorological stations  extended abstract
Daniel Nadeau, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; and E. Bou-Zeid, M. B. Parlange, G. Barrenetxea, and M. Vetterli
9:30 AM9A.3A coupled canopy-soil model for the simulation of the modification of atmospheric turbulence by tall vegetation  extended abstract
Edward G. Patton, NCAR, Boulder, CO; and J. C. Weil and P. P. Sullivan
9:45 AM9A.4Characteristics of Canopy Turbulence during the Transition from Convective to Stable Stratification  extended abstract
E. van Gorsel, CSIRO, Canberra, ACT, Australia; and J. J. Finnigan, I. N. Harman, and R. Leuning
 
9:00 AM-10:00 AM, Wednesday, Aula Magna Höger
Session 9B LARGE EDDY SIMULATIONS AND FUNDAMENTAL STUDIES—I
Chair: Fernando Porté-Agel, University of Minnesota, Minneapolis, MN
9:00 AM9B.1The diurnal evolution of 222-Rn and its progeny in the atmospheric boundary layer  
Jean-François Vinuesa, Joint Research Centre of the European Commission, Ispra, Italy; and S. Basu and S. Galmarini
9:15 AM9B.2Diurnal boundary layer mixing patterns characterised by radon gradient observations at Cabauw  extended abstract
Wlodek Zahorowski, Australian Nuclear Science and Technology Organisation, Menai, NSW, Australia; and A. G. Williams, A. Vermeulen, S. Chambers, J. Crawford, and O. Sisoutham
9:30 AM9B.3A new surface boundary condition for LES over a rough-to-smooth transition: experimental and numerical tests  extended abstract
Leonardo Chamorro, University of Minnesota, Minneapolis, MN; and F. Porté-Agel
9:45 AM9B.4Mixing and venting in clear and cloudy boundary layers using airborne radon measurements  extended abstract
Alastair G. Williams, Australian Nuclear Science and Technology Organisation, Menai, NSW, Australia; and W. Zahorowski, S. Chambers, J. Hacker, P. Schelander, A. Element, S. Werczynski, and A. Griffiths
 
10:00 AM-10:30 AM, Wednesday
COFFEE BREAK
 
10:30 AM-12:15 PM, Wednesday, Aula Magna Vänster
Session 10A LAND-SURFACE-PBL COUPLING—II
Chair: Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL, Boulder, CO
10:30 AM10A.1Exchange processes in mountainous regions during the EGER 2007 micrometeorological experiment  extended abstract
Andrei Serafimovich, University of Bayreuth, Bayreuth, Germany; and L. Siebicke, K. Staudt, T. Foken, F. X. Meixner, E. Falge, and C. Zetzsch
10:45 AM10A.2Reasons for the breakdown of Monin-Obukhov similarity theory above rough surfaces  
Jan H. Schween, University of Cologne, Cologne, NRW, Germany
11:00 AM10A.3Turbulent heat fluxes in the atmospheric surface layer: comparison of scintillometer measurements with eddy-covariance and gradient methods  
Jose M. Galvez, University of Oklahoma, Norman, OK; and P. Klein and S. Arms
11:15 AM10A.4Evaluation of footprints in homogeneous and inhomogeneous terrain with a Lagrangian stochastic particle model embedded into a large eddy simulation model  
Gerald Steinfeld, Leibniz University, Hannover, Germany; and S. Raasch, T. Markkanen, and T. Foken
11:30 AM10A.5Simple modification of two-equation models for non-neutral flow  extended abstract
Andrey Sogachev, Risø National Laboratory for Sustainable Energy, Roskilde, Denmark; and O. Panferov and T. Vesala
11:45 AM10A.6Spatial variability of vertical and horizontal turbulent fluxes above a boreal forest  extended abstract
Meelis Mölder, Lund University, Lund, Sweden; and C. Feigenwinter and A. Lindroth
12:00 PM10A.7Imposing land-surface fluxes at an immersed boundary for improved simulations of atmospheric flow over complex terrain  extended abstract
Katherine A. Lundquist, University of California, Berkeley, CA; and F. K. Chow, J. K. Lundquist, and J. D. Mirocha
 
10:30 AM-12:30 PM, Wednesday, Aula Magna Höger
Session 10B LARGE EDDY SIMULATIONS AND FUNDAMENTAL STUDIES—II
Chair: Fernando Porté-Agel, University of Minnesota, Minneapolis, MN
10:30 AM10B.1Footprint Application to Long-term CO2 Flux Observations  extended abstract
Natascha Kljun, Swansea University, Swansea, United Kingdom; and L. Chasmer, A. G. Barr, T. A. Black, C. Hopkinson, J. H. McCaughey, M. W. Rotach, and H. P. Schmid
10:45 AM10B.2Boundary layer high order concentration statistics  extended abstract
Luca Mortarini, University of Piemonte Orientale, Alessandria, Italy; and E. Ferrero and P. Franzese
11:00 AM10B.3A new scaling term for use in roughness sublayers  extended abstract
Cheryl L. Klipp, U.S. Army Research Laboratory, Adelphi, MD
11:15 AM10B.4Processes involved in the diurnal cycle of the Planetary Boundary Layer in the frame of the West African Monsoon  extended abstract
Marie Lothon, Université de Toulouse, Campistrous, France; and G. Canut, F. Saïd, F. Lohou, B. Campistron, F. Couvreux, and F. Guichard
11:30 AM10B.5Modelling the dust-laden Martian boundary layer  extended abstract
Richard Davy, York University, Toronto, ON, Canada; and P. A. Taylor, W. Weng, and P. Y. Li
11:45 AM10B.6Large Eddy Simulation of vertical vortices in highly convective Martian boundary layer  extended abstract
Babak Tavakoli Gheynani, Centre for Research in Earth and Space Science (CRESS), Toronto, ON, Canada; and P. A. Taylor
12:00 PM10B.7A posteriori subgrid-scale model tests based on the conditional means of subgrid-scale stress and its production rate  extended abstract
Qinglin Chen, Clemson University, Clemson, SC; and M. J. Otte, P. P. Sullivan, and C. Tong
12:15 PM10B.8Large-eddy simulation of dust devils in the atmospheric boundary layer  
Theres Franke, University of Hannover, Hannover, Germany; and S. Raasch
 
12:15 PM-1:30 PM, Wednesday
LUNCH BREAK
 
1:30 PM-3:00 PM, Wednesday, Aula Magna Vänster
Session 11A LAND-SURFACE-PBL COUPLING—III
Chair: Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL, Boulder, CO
1:30 PM11A.1Providing high-resolution surface conditions using a coupled land-surface groundwater model: effects on atmospheric boundary layer simulations over Owens Valley, CA  extended abstract
Megan H. Daniels, University of California, Berkeley, CA; and F. K. Chow and R. M. Maxwell
1:45 PM11A.2Canopy dynamics and the surface energy balance  extended abstract
Ian N. Harman, CSIRO, Canberra, Australia; and J. J. Finnigan
2:00 PM11A.3Impact of different surface layer schemes on surface fluxes in the Noah land model used at NCEP  
Michael Ek, NOAA/NWS/NCEP, Camp Springs, MD; and K. Mitchell, Y. Xia, H. Wei, X. Zeng, B. Livneh, and A. Slater
2:15 PM11A.4Onset of drainage currents in flows over forested hills  
Stephen E. Belcher, University of Reading, Reading, Berks., United Kingdom; and J. J. Finnigan and I. N. Harman
2:30 PM11A.5Lagrangian particle modeling of dispersion in planetary boundary layers with and without a plant canopy  
Jeffrey C. Weil, CIRES/Univ. of Colorado, Boulder, CO; and E. G. Patton and P. P. Sullivan
2:45 PM11A.6Dynamic significance of Hudson valley channeling  
David R. Fitzjarrald, University at Albany / SUNY, Albany, NY; and M. A. Jimenez, J. Cuxart, and J. M. Freedman
 
1:30 PM-3:00 PM, Wednesday, Aula Magna Höger
Session 11B LARGE EDDY SIMULATIONS AND FUNDAMENTAL STUDIES—III
Chair: Cheryl L. Klipp, U.S. Army Research Laboratory, Adelphi, MD
1:30 PM11B.1Impact of terrain heterogeneities on coherent structures properties in the surface layer: experimental and numerical approaches  
Clément Fesquet, IPSL, Palaiseau, France; and S. Dupont, P. J. Drobinski, C. Barthlott, and T. Dubos
1:45 PM11B.2Enabling large eddy simulations with the Weather Research and Forecasting model via improved subfilter-scale turbulence models  
Jeffrey D. Mirocha, LLNL, Livermore, CA; and F. K. Chow, J. K. Lundquist, B. Kosovic, and K. A. Lundquist
2:00 PM11B.3The need for caution when interpreting velocity field structures predicted by LES  extended abstract
Francis L. Ludwig, Stanford University, Stanford, CA; and F. K. Chow and R. L. Street
2:15 PM11B.4Simulation of the morning transition boundary layer  extended abstract
Robert John Beare, University of Exeter, Exeter, United Kingdom
2:30 PM11B.5A highly parallel algorithm for turbulence simulations in planetary boundary layers: Results with meshes up to 20483  extended abstract
Peter P. Sullivan, NCAR, Boulder, CO; and E. G. Patton
2:45 PM11B.6Vorticity dynamics in the PBL using a vector-vorticity LES model  
Chin-Hoh Moeng, NCAR, Boulder, CO; and A. Arakawa, J. H. Jung, R. Rotunno, and P. P. Sullivan
3:00 PM11B.7Laboratory Experiments on Entrainment—a Comparison of Two-Layer Systems with Linearly Stratified Systems  
Harm J. J. Jonker, Delft University of Technology, Delft, Netherlands; and M. A. Jimenez, P. Lijdsman, J. Lebouille, and D. Abrahams
 
3:15 PM-6:00 PM, Wednesday
FREE TIME TO VISIT SKANSEN (FREE ENTRY) PRIOR TO THE BANQUET OR VISIT THE VASA MUSEUM (SEPARATE ENTRY FEE)
 
6:00 PM-8:00 PM, Wednesday
SYMPOSIUM BANQUET AT SOLLIDEN RESTAURANT (LOCATED WITHIN SKANSEN)—TIME TBD
 
Thursday, 12 June 2008
9:00 AM-10:00 AM, Thursday, Aula Magna Vänster
Session 12A BOUNDARY LAYER FLOWS ALONG SLOPING SURFACES—I
Chair: Evgeni Fedorovich, University of Oklahoma, Norman, OK
9:00 AM12A.1Large Eddy Simulations of the Atmospheric Flow in Alpine Environments  
Chad Higgins, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; and M. B. Parlange, M. Lehning, and C. Meneveau
9:15 AM12A.2Large-eddy simulation of density currents over complex terrain  
Branko Kosovic, LLNL, Livermore, CA; and J. D. Mirocha
9:30 AM12A.3Large eddy simulation of katabatic flow  extended abstract
Simon Axelsen, University of Utrecht, Utrecht, Netherlands; and H. Van Dop
9:45 AM12A.4Numerical Studies of Thermally Induced Slope Winds  extended abstract
Xiurong Sun, CRESS, York University, Toronto, ON, Canada; and W. Weng and P. Taylor
 
9:00 AM-10:00 AM, Thursday, Aula Magna Höger
Session 12B BOUNDARY LAYERS AT HIGH LATITUDES—I
Chair: Michael Tjernstrom, University of Stockholm, Stockholm Sweden
9:00 AM12B.1Evaluation of GEM in the Stable Boundary Layer over the Arctic Ocean during SHEBA  extended abstract
Pierre-Luc Carpentier, University of Quebec, Montreal, QC, Canada; and C. G. Jones
9:15 AM12B.2Empirical turbulent Prandtl number parameterisation as a function of Richardson number  
Philip S. Anderson, British Antarctic Survey, Cambridge, United Kingdom
9:30 AM12B.3Insights and puzzles in understanding atmospheric boundary layer—surface chemistry interactions over the Antarctic high plateau  
William Neff, NOAA/ESRL & PSD, Boulder, CO; and D. Helmig and D. Davis
9:45 AM12B.4Drifting and blowing snow field studies in the Canadian North  extended abstract
Mark Gordon, Center for Research in Earth and Space Science, Toronto, ON, Canada; and P. A. Taylor, S. Savelyev, J. Hanesiak, Q. Huang, and S. Biswas
 
10:00 AM-10:30 AM, Thursday
COFFEE BREAK
 
10:30 AM-12:15 PM, Thursday, Aula Magna Vänster
Session 13A BOUNDARY LAYER FLOWS ALONG SLOPING SURFACES—II
Chair: Evgeni Fedorovich, University of Oklahoma, Norman, OK
10:30 AM13A.1Investigation of observed and modelled nocturnal wind and temperature oscillations in an Alpine valley  extended abstract
Irene Schicker, University of Natural Resources and Applied Life Sciences, Vienna, Austria; and P. Seibert and E. Mursch-Radlgruber
10:45 AM13A.2Slope and basin flows in the Ebro basin: conditioned climatology and mesoscale modelling  
Maria Antonia Jimenez, Universitat de les Illes Balears, Palma de Mallorca, Spain; and D. Martinez, F. Molinos, T. Clapes, J. Cunillera, and J. Cuxart
11:00 AM13A.3Further Examination of the Possible Role of Orographically Induced Wave Drag in the Stable Boundary Layer during CASES99  extended abstract
Gert-Jan Steeneveld, Wageningen University, Wageningen, Netherlands; and C. J. Nappo and A. A. M. Holtslag
11:15 AM13A.4Variability of Surface Air Temperature over Gently-Sloped Terrain  
Petra M. Klein, Univ. of Oklahoma, Norman, OK; and D. Bodine, S. Arms, and A. Shapiro
13A.5Diurnal evolution of temperature inversion structure in Arizona's Meteor Crater  
C. David Whiteman, University of Utah, Salt Lake City, UT; and S. W. Hoch and M. Hahnenberger
11:30 AM13A.6The role of canopy-boundary layer interactions in scalar transport over forests  
Andrew N. Ross, University of Leeds, Leeds, West Yorkshire, United Kingdom
11:45 AM13A.7A wind tunnel study of stably stratified flow on a ridge covered with a tall plant canopy  extended abstract
John J. Finnigan, CSIRO, Canberra, ACT, Australia; and D. Hughes
 
10:30 AM-12:15 PM, Thursday, Aula Magna Höger
Session 13B BOUNDARY LAYERS AT HIGH LATITUDES—II
Chair: Peter A. Taylor, York University, Toronto, ON Canada
10:30 AM13B.1The effect of leads in the sea-ice on the Antarctic boundary layer: a high-resolution study using a parallelized LES model  
Björn Witha, Leibniz University, Hannover, Germany; and S. Raasch
10:45 AM13B.2Arctic boundar-layer inversions from SHEBA observations and ERA-40 reanalysis data  
Michael Tjernström, University of Stockholm, Stockholm, Sweden; and R. G. Graversen
11:00 AM13B.3Cloud and inversion characteristics over the Arctic pack ice  
Joseph Sedlar, Stockholm University, Stockholm, Sweden; and M. Tjernström
11:15 AM13B.4Downward sensible heat flux and decoupling over snow-covered surfaces  
Timo Vihma, Finnish Meteorological Institute, Helsinki, Finland
11:30 AM13B.5Effect of surface heterogeneity on energy fluxes during the SHEBA winter  extended abstract
P. O. G. Persson, CIRES/Univ. of Colorado and NOAA/ESRL/PSD, Boulder, CO; and E. L. Andreas, C. W. Fairall, A. A. Grachev, P. S. Guest, and J. A. Maslanik
11:45 AM13B.6Effect of microphysical parameterization on the simulation of high-latitude surface energy budget and boundary-layer structure  
P. O. G. Persson, CIRES/Univ. of Colorado and NOAA/ESRL/PSD, Boulder, CO; and A. B. Solomon, M. Shupe, H. Morrison, and J. -. W. Bao
12:00 PM13B.7Characteristics of near-surface atmospheric flow and turbulent heat fluxes under highly stable conditions over a snow-covered alpine glacier  
Hendrik Huwald, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; and M. B. Parlange, C. Higgins, E. Bou-Zeid, M. Calaf-Bracons, and C. Meneveau
12:15 PM13B.8Surface-layer properties on the eastern Antarctic plateau and its adjacent slopes  
Mingyu Zhou, Polar Research Institute of China, Pudong, Shanghai, China; and S. Zhong, Z. Zhang, D. H. Lenschow, H. -. M. Hsu, W. -. Q. Yao, Z. Gao, S. Li, and B. Sun
 
12:30 PM-1:30 PM, Thursday
LUNCH BREAK
 
1:30 PM-3:00 PM, Thursday, Aula Magna Vänster
Session 14A BOUNDARY LAYER FLOWS ALONG SLOPING SURFACES—III
Chair: Petra M. Klein, Univ. of Oklahoma, Norman, OK
1:30 PM14A.1The inclusion of SGS slopes of topography into the model equations in the framework of a second order turbulence closure  
Matthias Raschendorfer, DWD, Offenbach, Germany
1:45 PM14A.2Basin temperature inversions and their relationship to ambient atmospheric conditions  
Sharon Zhong, Michigan State University, East Lansing, MI; and W. Q. Yao, T. W. Horst, C. D. Whiteman, and S. P. Oncley
2:00 PM14A.3Coriolis effects in heterogeneous katabatic flows  
Alan Shapiro, University of Oklahoma, Norman, OK; and E. Fedorovich
2:15 PM14A.4Scaling relationships for slope flows  
Evgeni Fedorovich, University of Oklahoma, Norman, OK; and A. Shapiro
2:30 PM14A.5Two-dimensional katabatic flows along a planar slope  
Bryan A. Burkholder, University of Oklahoma, Norman, OK; and A. Shapiro and E. Fedorovich
2:45 PM14A.6Case studies of katabatic wind in Coats Land, Antarctica  extended abstract
Hanneke Luijting, University of East Anglia, Norwich, United Kingdom; and I. A. Renfrew, P. S. Anderson, and J. C. King
 
1:30 PM-3:00 PM, Thursday, Aula Magna Höger
Session 14B BOUNDARY LAYER CLOUDS—I
Chair: David A. R. Kristovich, ISWS, Champaign, IL
1:30 PM14B.1Dynamics of Diurnal Variation of Stratus Clouds in Central Coast of California  
Shouping Wang, NRL, Monterey, CA; and Y. Jin, Q. Wang, and Q. Jiang
1:45 PM14B.2Relative humidity as a proxy for cloud formation over heterogeneous land surfaces  extended abstract
Chiel C. Van Heerwaarden, Wageningen University, Wageningen, Netherlands; and J. Vila
14B.3Impact of entrainment and mixing on optical properties of boundary layer clouds  
Wojciech W. Grabowski, NCAR, Boulder, CO; and J. Slawinska, H. Pawlowska, and H. Morrison
2:00 PM14B.4Mixing in shallow cumulus clouds studied by Lagrangian particle tracking  extended abstract
Thijs Heus, Delft University of Technology, Delft, Netherlands; and G. Van Dijk, H. J. J. Jonker, and H. E. A. Van den Akker
2:15 PM14B.5Dispersion in Cloudy Boundary Layers  extended abstract
Remco A. Verzijlbergh, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker and T. Heus
2:30 PM14B.6The spatial evolution of clouds and snow in a lake-effect boundary layer  extended abstract
Faye E. Barthold, University of Illinois, Urbana, IL; and D. A. R. Kristovich
 
3:00 PM-3:30 PM, Thursday
COFFEE BREAK
 
3:30 PM-5:00 PM, Thursday, Aula Magna Vänster
Session 15A BOUNDARY LAYER FLOWS ALONG SLOPING SURFACES—IV
Chair: Petra M. Klein, Univ. of Oklahoma, Norman, OK
3:30 PM15A.1Steering mechanisms of a persistent slope wind system on plot-scale vertical and horizontal transport of CO2 in and above an alpine forest  extended abstract
Christian Feigenwinter, Gembloux Agricultural University, Gembloux, Belgium; and C. Bernhofer, O. Kolle, A. Lindroth, L. Montagnani, and M. Aubinet
3:45 PM15A.2Case studies from a field campaign to measure canopy air flows over complex terrain  extended abstract
Rosey Grant, Institute for Atmospheric Science, Leeds, West Yorkshire, United Kingdom; and A. N. Ross, I. M. Brooks, B. A. Gardiner, K. H. Jones, and S. D. Mobbs
4:00 PM15A.3A regional-scale downslope wind observed during the METCRAX Experiment in Northern Arizona  
Lowell C. Savage III, Michigan State University, East Lansing, MI; and S. Zhong, W. Q. Yao, T. Horst, and W. O. Brown
4:15 PM15A.4Boundary Layer Effects on Atmospheric CO2 Concentrations at Mountaintop Locations  
Stephan F.J. De Wekker, University of Virginia, Charlottesville, VA; and G. Song, A. Ameen, and B. Stephens
 
3:30 PM-5:00 PM, Thursday, Aula Magna Höger
Session 15B BOUNDARY LAYER CLOUDS—II
Chair: Gunilla Svensson, Stockholm University, Stockholm Sweden
3:30 PM15B.1Measuring the boundary layer from space: The subtropical cloudy boundary layer transition  
Joao Teixeira, JPL, Pasadena, CA
3:45 PM15B.2Role of Land Surface Processes and Boundary Layer Clouds on  extended abstract
Sethu Raman, North Carolina State University, Raleigh, NC
4:00 PM15B.3Role of nocturnal turbulence and advection in the formation of shallow cumulus over land  extended abstract
J. Vilà-Guerau de Arellano, Wageningen University, Wageningen, Netherlands
4:15 PM15B.4Land-atmosphere interactions and the multi-scale variability of fog in a complex physiographic environment  
Robert Tardif, CNRM, Toulouse, France
 
4:30 PM-5:30 PM, Thursday
FORMAL POSTER VIEWING
 
4:30 PM-6:00 PM, Thursday
Poster Session 3 BOUNDARY LAYER CLOUDS
 P3.1Analysis of the downward transport in RICO observations  extended abstract
Thijs Heus, Delft University of Technology, Delft, Netherlands; and F. C. J. F. Pols, H. J. J. Jonker, H. E. A. van den Akker, and D. H. Lenschow
 P3.2Single column simulations of COSMO for the GCSS RICO precipitating shallow cumulus case  extended abstract
Jürgen Helmert, DWD, Offenbach, Germany; and M. Raschendorfer and A. Seifert
 P3.3Using Doppler lidar and radar to evaluate the representation of drizzle in models  
Ewan J. O'Connor, University of Reading, Reading, Berks., United Kingdom
 
4:30 PM-6:00 PM, Thursday
Poster Session 4 BOUNDARY LAYERS AT HIGH LATITUDES
 P4.1Long-term turbulent flux measurements over Arctic fjords in Svalbard  extended abstract
Tiina Kilpeläinen, The University Centre in Svalbard, Longyearbyen, Norway; and A. Sjöblom
 P4.2The performance of the Met Office Unified Model over the central Arctic Ocean  extended abstract
Cathryn E. Birch, University of Leeds, Leeds, West Yorkshire, United Kingdom; and I. M. Brooks, M. Tjernström, and S. F. Milton
 P4.3The Impact of Distributing the Drag due to Unresolved Small-Scale Orography on Simulations with the Global Environmental Multiscale (GEM) Model  
Daniel Deacu, EC, Dorval, QC, Canada; and J. Mailhot, S. Belair, J. Hanesiak, and A. Zadra
 
4:30 PM-6:00 PM, Thursday
Poster Session 5 LAND-SURFACE-PBL COUPLING
 P5.1Generation of free convection in a valley due to changes of the local circulation system  extended abstract
Rafael Eigenmann, University of Bayreuth, Bayreuth, Germany; and S. Metzger, L. Siebicke, K. Staudt, A. Serafimovich, and T. Foken
 P5.2Higher-order statistics of the turbulent flow in a sparse Lodgepole Pine canopy  
Andreas Christen, University of British Columbia, Vancouver, BC, Canada; and M. Novak
 P5.3Interscale energy transfer in convective boundary layers forced by mesoscale surface heat flux heterogeneities  
David P. Tyndall, Pennsylvania State University, University Park, PA; and K. J. Davis
 P5.4Impact of the planetary boundary layer processes on the turbulent length scales and heat fluxes at surface  extended abstract
F. Lohou, Observatoire Midi-Pyrénées, Campistrous, France; and F. Said, M. Lothon, D. Ramier, and B. Cappeleare
 
4:30 PM-6:00 PM, Thursday
Poster Session 6 LARGE EDDY SIMULATIONS
 P6.1Atmospheric stability and secular equilibrium of the 222-Rn decaying family  
Jean-François Vinuesa, Joint Research Centre of the European Commission, Ispra, Italy; and S. Galmarini and S. Basu
 P6.2Momentum transport in the convective boundary layer: LES diagnostics  
Pedro M. M. Soares, University of Lisbon, Lisbon, Portugal; and A. Catarino and P. M. A. Miranda
 P6.3Evaluation of dynamic subgrid-scale models in LES of stably stratified flow within and above an urban street canyon  
Yu-Ting Wu, University of Minnesota, Minneapolis, MN; and F. Porté-Agel
 P6.4Simulations versus observations of a sheared convective boundary layer  extended abstract
Robert Conzemius, Windlogics, Inc., Grand Rapids, MN; and E. Fedorovich
 
4:30 PM-6:00 PM, Thursday
Poster Session 7 MARINE BOUNDARY LAYERS
P7.1Characterization of the stability conditions and mixing length with distribution of the high frequency Richardson Number in the lower marine atmospheric boundary layer  
Abha Sood, University of Oldenburg, Oldenburg, Germany; and K. Suselj
 P7.2Differences between eddy correlation fluxes for discrete and continuous scalars: applications to sea-spray aerosol fluxes  
Sarah J. Norris, University of Leeds, Leeds, West Yorkshire, United Kingdom; and I. M. Brooks, B. J. Brooks, and M. K. Hill
 P7.3Flux attenuation due to Sensor Displacement over Sea  
Erik Nilsson, Uppsala University, Uppsala, Sweden; and A. Rutgersson and P. P. Sullivan
 P7.4Wind stress and stress curl from aircraft measurements and their connection to local coastal upwelling  extended abstract
Qing Wang, Naval Postgraduate School, Monterey, CA; and J. Kalogiros, S. R. Ramp, J. Paduan, G. Buzorius, and H. H. Jonsson
 P7.5Evidence of inertial oscillation in the stable marine Atmospheric Boundary Layer  
Costas G. Helmis Sr., University of Athens, Athens, Attika, Greece; and Q. Wang, G. Sgouros, C. Halios, and S. Wang
 P7.6Modeling the Response of Multi-scale Winds in a Mountainous Coastal Region to SST Changes over the East Sea in Korea  extended abstract
Ju-Hee Jeong, Pusan National University, Busan, South Korea; and Y. K. Kim, I. B. Oh, D. Ko, and H. W. Lee
 P7.7Comparing air-sea fluxes of carbon dioxide estimated using the inertial dissipation method with fluxes measured using the eddy-correlation method  
Maria Norman, Uppsala University, Uppsala, Sweden; and L. L. Sørensen, M. B. Christiansen, and A. Rutgersson
 P7.8Surface marine wind from the NCEP/NCAR and NCEP/DOE-II reanalyses  extended abstract
Joerg Winterfeldt, Institute for Coastal Research / GKSS Research Center and IMPRS-ESM / Max Planck Institute for Meteorology, Geesthacht, Germany; and R. Weiss
 
Friday, 13 June 2008
9:00 AM-10:00 AM, Friday, Aula Magna Vänster
Session 16A MARINE BOUNDARY LAYERS—I
Chair: David A. R. Kristovich, ISWS, Champaign, IL
9:00 AM16A.1Modeling the boundary layer over Galveston Bay and the Gulf of Mexico for air pollution studies  extended abstract
Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL, Boulder, CO; and M. Zagar, S. C. Tucker, C. W. Fairall, L. Bariteau, D. E. Wolfe, and W. A. Brewer
9:15 AM16A.2Enhanced transfer velocity of carbon dioxide during unstable stratification  extended abstract
Anna Rutgersson, Uppsala Univ., Uppsala, Sweden; and A. S. Smedman and E. Sahlée
9:30 AM16A.3Vertical structure of the marine boundary layer and surface correlation among humidity temperature and C02 during the LASIE experiment in the Ligurian sea  
Anna Maria Sempreviva, Italian National Council of Research, Rome, Italy; and E. Schiano, R. Bozzano, F. M. Grasso, M. Borghini, S. Pensieri, A. Semedo, L. L. Soerensen, C. Transerici, and J. Teixeira
9:45 AM16A.4Aircraft-based observations of air-sea fluxes during the Greenland Flow Distortion (GFD) experiment  extended abstract
Guðrún Nína Petersen, University of East Anglia, Norwich, Norfolk, United Kingdom; and I. A. Renfrew
 
9:00 AM-10:00 AM, Friday, Aula Magna Höger
Session 16B STABLE BOUNDAY LAYERS—II
Chair: Walter D. Bach, Jr., Army Research Laboratory, Research Triangle Park, NC
9:00 AM16B.1Effect of the Earth's rotation on the equilibrium depth of a stably stratified barotropic planetary boundary layer  
Dmitrii Mironov, German Weather Service, Offenbach am Main, Germany; and E. Fedorovich
9:15 AM16B.2Stable Boundary Layer Mixing in a Vertical Diffusion Scheme  extended abstract
Song-You Hong, Yonsei University, Seoul, South Korea; and S. W. Kim
9:30 AM16B.3Planetary Boundary Layer Feedback and Its Role in Climate Change  extended abstract
Igor Esau, Nansen Environmental and Remote Sensing Center / Bjerknes Centre for Climate Research, Bergen, Norway
9:45 AM16B.4Some evidence of vertical moisture transport during very stable conditions at the Cabauw measurement site  
Stephan R. De Roode, Royal Netherlands Meteorological Institute, De Bilt, Netherlands; and F. C. Bosveld
 
10:00 AM-10:30 AM, Friday
COFFEE BREAK
 
10:30 AM-12:15 PM, Friday, Aula Magna Vänster
Session 17A MARINE BOUNDARY LAYERS—II
Chair: Anna Rutgersson, Uppsala University, Uppsala Sweden
10:30 AM17A.1Subgrid-scale dynamics of water vapor, heat, and momentum over a lake  
Nikki Vercauteren, Swiss Federal Institute of Technology, Lausanne, Switzerland; and E. Bou-Zeid, M. B. Parlange, U. Lemmin, C. Meneveau, H. Huwald, and J. Selker
10:45 AM17A.2On the wave induced wind in the marine atmospheric boundary layer  extended abstract
Alvaro Semedo, Uppsala University, Uppsala, Sweden; and Ø. Sætra and A. Rutgersson
11:00 AM17A.3Statistical signature of the surface waves in the wind over the ocean  extended abstract
Tihomir Hristov, Johns Hopkins University, Baltimore, MD
11:15 AM17A.4Large Eddy Simulation of Roll Convection during a strong Cold Air Outbreak  
Micha Gryschka, Leibniz University, Hannover, Germany; and D. Etling and S. Raasch
11:30 AM17A.5A radar characterization of the tradewind boundary layer  extended abstract
Jennifer L. Davison, University of Illinois, Urbana, IL
11:45 AM17A.6The marine boundary layer: impacts and modifications on a severe, deep convective system  
Thomas E. Workoff, University of Illinois, Urbana, IL; and D. A. R. Kristovich
12:00 PM17A.7Cospectral similarity of pressure terms in the budgets of TKE and horizontal heat flux in the atmospheric surface layer  
James M. Wilczak, NOAA, Boulder, CO; and J. B. Edson, J. Hojstrup, J. E. Hare, L. Mahrt, and R. Hill
 
10:30 AM-12:15 PM, Friday, Aula Magna Höger
Session 17B STABLE BOUNDAY LAYERS—III
Chair: Walter D. Bach, Jr., Army Research Laboratory, Research Triangle Park, NC
10:30 AM17B.1Fundamental limitations of using sensible heat flux as a lower boundary condition in stable boundary layer simulation and modeling  
Sukanta Basu, Texas Tech University, Lubbock, TX; and A. A. M. Holtslag, B. J. H. Van de Wiel, A. F. Moene, and G. J. Steeneveld
10:45 AM17B.2ASubgrid-scale physics under strongly stable atmospheric stratification: the SnoHATS experiment (Formerly 18A.2)  
Elie Bou-Zeid, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; and C. Higgins, M. B. Parlange, H. Huwald, and C. Meneveau
11:00 AM17B.3Local similarity from Direct Numerical Simulations  
Arnold F. Moene, Wageningen University, Wageningen, Netherlands; and B. J. H. Van de Wiel, H. J. J. Jonker, and W. H. De Ronde
11:15 AM17B.4Revisiting Nieuwstadt's collapsed boundary layer  
Bas J.H. Van de Wiel, Wageningen University, Wageningen, Netherlands; and A. F. Moene, H. J. J. Jonker, W. H. De Ronde, and F. C. Bosveld
11:30 AM17B.5Relating nocturnal mesoscale fluxes to scalar vertical profiles  
Otávio C. Acevedo, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and L. Mahrt, D. R. Fitzjarrald, O. Moraes, R. K. Sakai, M. Czikowski, and F. S. Puhales
11:45 AM17B.6Long Term Observations of Longwave Radiative Flux Divergence in the Stable Boundary Layer over Land  extended abstract
Gert-Jan Steeneveld, Wageningen University, Wageningen, Netherlands; and C. D. Groot Zwaaftink, M. Wokke, S. Pijlman, B. G. Heusinkveld, A. F. G. Jacobs, and A. A. M. Holtslag
12:00 PM17B.7A Numerical and Analytical Study of Intermittency in the Stable Boundary Layer  extended abstract
Wiet H. De Ronde, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker and B. J. H. Van de Wiel
 
12:15 PM-1:30 PM, Friday
LUNCH BREAK
 
1:30 PM-3:15 PM, Friday, Aula Magna Vänster
Session 18A CHATS FIELD PROGRAM
Chair: Thomas W. Horst, NCAR, Boulder, CO
1:30 PM18A.1The Canopy Horizontal Array Turbulence Study (CHATS)  extended abstract
Edward G. Patton, NCAR, Boulder, CO; and T. Horst, D. Lenschow, P. Sullivan, S. Oncley, S. Burns, A. Guenther, A. Held, T. Karl, S. Mayor, L. Rizzo, S. Spuler, J. Sun, A. Turnipseed, E. Allwine, S. Edburg, B. Lamb, R. Avissar, H. Holder, R. Calhoun, J. Kleissl, W. J. Massman, and K. T. Paw U
1:45 PM18A.2ATurbulence transport processes and parameterization in nocturnal boundary layers (Formerly 17B.2)  
Jielun Sun, NCAR, Boulder, CO
2:00 PM18A.3Turbulent pressure fluctuations measured during CHATS  extended abstract
Steven P. Oncley, NCAR, Boulder, CO; and W. J. Massman and E. G. Patton
2:15 PM18A.4Convection velocity and spatial turbulence statistics in the trunk space of a forest  
Andreas Christen, University of British Columbia, Vancouver, BC, Canada; and D. Scherer, D. Schindler, and R. Vogt
18A.5Volatile organic compound measurements during CHATS  
Thomas G. Karl, NCAR, Bouler, CO; and A. Guenther, A. Turnipseed, and E. Patton
2:30 PM18A.6Raman-shifted Eye-safe Aerosol Lidar (REAL) observations during the Canopy Horizontal Array Turbulence Study (CHATS)  extended abstract
Shane D. Mayor, NCAR, Boulder, CO
2:45 PM18A.7Relaxed eddy accumulation simulations of aerosol number fluxes with various proxy scalars  
Andreas Held, NCAR, Boulder, CO; and T. Karl, A. Turnipseed, E. Patton, J. Smith, and A. Guenther
 
1:30 PM-3:15 PM, Friday, Aula Magna Höger
Session 18B STABLE BOUNDAY LAYERS—IV
Chair: Branko Kosovic, LLNL, Livermore, CA
1:30 PM18B.1Turbulence in the nocturnal boundary layer: highly-structured, strongly-variable, but ubiquitous  extended abstract
Ben B. Balsley, CIRES/Univ. of Colorado, Boulder, CO; and M. Tjernstrom and G. Svensson
1:45 PM18B.2Using the TLS system to improve understanding of atmospheric turbulent processes  extended abstract
Florence Bocquet, CIRES/Univ. of Colorado, Boulder, CO; and B. B. Balsley, M. Tjernstrom, and G. Svensson
2:00 PM18B.3Estimating the friction velocity in stable boundary layers  
J. L. Argain, University of Algarve, Faro, Portugal; and P. M. A. Miranda and M. A. C. Teixeira
2:15 PM18B.4Plume behavior as controlled by the stable boundary layer  
April L. Hiscox, University of Connecticut, Storrs, CT; and D. R. Miller and C. J. Nappo
2:30 PM18B.5Simulations of gravity wave-turbulence interactions in the stable boundary layer  extended abstract
Benjamin MacCall, Army Research Laboratory, White Sands Missile Range, NM; and P. A. Haines, W. Y. Sun, and W. R. Hsu
2:45 PM18B.6The effect of heterogeneous surface temperature and aerodynamic surface roughness on fluxes in the stable boundary layer  
Rob Stoll, University of Utah, Salt Lake City, UT; and F. Porté-Agel
3:00 PM18B.7The effect of stratification on the aerodynamic roughness length and displacement height  
Sergej Zilitinkevich, University of Helsinki, Helsinki, Finland; and I. Mammarella, A. Baklanov, and S. Joffre
 
3:15 PM-3:30 PM, Friday
CLOSING REMARKS AND STUDENT AWARDS
 
3:30 PM, Friday
18th SYMPOSIUM ON BOUNDARY LAYERS AND TURBULENCE ADJORNS
 

Browse the complete program of The 18th Symposium on Boundary Layers and Turbulence (9–13 June 2008)