Program: 17th Symposium on Boundary Layers and Turbulence (17th Symposium on Boundary Layers and Turbulence, 27th Conference on Agricultural and Forest Meteorology, and the 17th Conference on Biometeorology and Aerobiology)

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Joint Session 1

Stable Boundary Layers 1 (Joint Between 17BLT and 27AgForest)

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

Cochairs: Branko Kosovic, LLNL; Monique Y. Leclerc, University of Georgia

8:30 AM

J1.1

Optimizing the NBL budget technique for trace gas flux measurement

Ian B. Strachan, McGill University, Ste-Anne de Bellevue, QC, Canada; and M. Leclerc, E. Pattey, N. Mathieu, and L. A. Wittebol

Recorded presentation

8:45 AM

J1.2

Turbulent carbon exchange in very stable conditions

Otávio C. Acevedo, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and O. Moraes, D. R. Fitzjarrald, R. K. Sakai, M. Czikowski, L. Mahrt, and L. E. Medeiros

Recorded presentation

Presentation PDF (965.9 kB)

9:00 AM

J1.3

Influence of low-level jets on nocturnal CO₂ flux measurements

Anandakumar Karipot, University of Georgia, Griffin, GA; and M. Y. Leclerc, G. Zhang, G. Hendrey, K. Lewin, J. Nagy, and G. Starr

Recorded presentation

9:15 AM

J1.4

The very stable boundary layer in flat versus complex terrain: CASES-99 versus T-REX

Gregory S. Poulos, NCAR, Boulder, CO

Recorded presentation

9:30 AM

J1.5

Shallow Boundary Layers and Suppressed Vertical Mixing in the Very Stable Boundary Layer with a Weak LLJ

Robert M. Banta, NOAA/ESRL, Boulder, CO; and L. Mahrt, D. Vickers, J. Sun, B. B. Balsley, Y. L. Pichugina, and E. J. Williams

Recorded presentation

Presentation PDF (308.2 kB)

9:45 AM

J1.6

Observations of stratified atmospheric shear-driven turbulence at low and high Richardson numbers

Thorsten Mauritsen, Stockholm University, Stockholm, Sweden; and G. Svensson

Recorded presentation

Presentation PDF (493.9 kB)

10:00 AM

J1.7

Classification of Low-Level Jets at Cabauw

Peter Baas, KNMI, De Bilt, Netherlands; and F. C. Bosveld and H. Klein Baltink

Recorded presentation

Presentation PDF (113.9 kB)

10:15 AM

J1.8

Structure and formation of the highly stable marine boundary layer over the Gulf of Maine

Wayne M. Angevine, CIRES, University of Colorado, and NOAA/ESRL, Boulder, CO; and J. Hare, C. W. Fairall, D. E. Wolfe, W. A. Brewer, and A. B. White

Recorded presentation

Presentation PDF (1000.7 kB)

10:30 AM

J1.9

The turbulent structure of the polar stable boundary layer: Wavelet transformation and multiresolution flux decomposition

Aline C. Van den Kroonenberg, Technical University Braunschweig, Braunschweig, Germany; and J. Bange

Recorded presentation

Presentation PDF (2.1 MB)

10:45 AM

J1.10

Identifying coherent structures in stable boundary layer flows

Xiaoning Gilliam, Texas Tech University, Lubbock, TX; and S. Basu

Recorded presentation

11:00 AM

J1.11

Influence of nocturnal low-level jets on eddy-covariance fluxes over a tall forest canopy

Thara Prabha, Indian Institute of Tropical Meteorology, Pune, Maharashtra, India; and M. Leclerc, A. Karipot, D. Y. Hollinger, and E. Mursch Radlgruber

Recorded presentation

11:15 AM

J1.0a

Welcoming Remarks

11:30 AM

J1.5a

Coffee Break

Lunch Break

Session 1

Shear and Convectively Driven Boundary Layers

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

Chair: Jordi Vila-Guerau de Arellano, Wageningen University

1:30 PM

1.1

Secondary instability of Ekman layer rolls

Thomas Dubos, IPSL / Laboratoire de Météorologie Dynamique, Palaiseau, France; and C. Barthlott, C. Fesquet, and P. J. Drobinski

Recorded presentation

Presentation PDF (441.9 kB)

1:45 PM

1.2

Turbulence anisotropy carried by streaks in the neutral atmospheric surface layer

Thomas Dubos, Laboratoire de Météorologie Dynamique, Palaiseau, France; and P. Drobinski and P. Carlotti

Recorded presentation

Presentation PDF (2.1 MB)

2:00 PM

1.3

Turbulence spectra above the surface friction layer in a convective boundary layer

K. G. McNaughton, University of Edinburgh, Edinburgh, Scotland, United Kingdom; and R. Clement and J. B. Moncrieff

Recorded presentation

Presentation PDF (273.0 kB)

2:15 PM

1.4

The spectral dynamics of TKE and scalar variance in clear convective and cloud topped boundary layers

Harm J.J. Jonker, Delft University of Technology, Delft, Netherlands

Recorded presentation

2:30 PM

1.5

Doppler lidar measurements of vertical velocity spectra, length scales, and coherence in the convective planetary boundary layer

Donald H. Lenschow, NCAR, Boulder, CO; and M. Lothon and S. D. Mayor

Recorded presentation

Presentation PDF (672.8 kB)

2:45 PM

1.6

The Exchange of Carbon Dioxide between the Atmospheric Boundary Layer and the Free Atmosphere: Observational and LES Study

Monica Górska, Wageningen University, Wageningen, Netherlands; and J. Vilà-Guerau de Arellano and M. A. LeMone

Recorded presentation

Presentation PDF (96.2 kB)

3:00 PM

1.7

On the entrainment law at the top of the convectively-driven atmospheric boundary layer

Charles Chemel, CNRS/UJF/INPG, Grenoble, France; and C. Staquet and J. P. Chollet

Recorded presentation

Presentation PDF (413.1 kB)

1.8

Observations of boundary layer structures from CSIP

1.9

Boundary layer features influencing convection inititiation on 12 June 2002 during IHOP_2002

3:45 PM

1.10

Mechanisms responsible for complex structure in a convective boundary layer

Jeffrey M. Freedman, Atmospheric Information Services, Albany, NY; and D. R. Fitzjarrald, R. K. Sakai, and M. J. Czikowsky

Recorded presentation

Presentation PDF (2.9 MB)

4:00 PM

1.11

Airborne measurements in the early-morning shallow convective boundary layer

Jens Bange, Technical University Braunschweig, Braunschweig, Germany; and T. Spieß

Recorded presentation

Presentation PDF (572.7 kB)

4:15 PM

1.12

Internal gravity waves during the morning transition of the Atmospheric Boundary Layer: observations and laboratory experiments

Nicolas Arnault, École Polytechnique/CNRS, Palaiseau, France; and J. M. Chomaz and P. H. Flamant

Recorded presentation

4:30 PM

1.13

Aircraft observations of marine boundary layer structure in the Monterey Bay

John Kalogiros, National Observatory of Athens, Athens, Greece; and Q. Wang, S. R. Ramp, G. Buzorius, and H. H. Jonsson

Recorded presentation

Presentation PDF (256.9 kB)

4:45 PM

1.14

Examining the nesting-LES capability using the WRF model

Chin-Hoh Moeng, NCAR, Boulder, CO; and J. Dudhia and J. Klemp

Recorded presentation

5:30 PM

1.8A

Wildfire evolution in the convective boundary layer (Formerly P5.1)

Ruiyu Sun, Univ. of Utah, Salt Lake City, UT; and S. K. Krueger, M. A. Zulauf, M. A. Jenkins, and J. J. Charney

Recorded presentation

Presentation PDF (3.0 MB)

5:45 PM

1.9A

Presentation 1.9A moved. New Poster Presentation P4.4A

5:00 PM

1.6a

Coffee Break

5:46 PM

1.9B

An Evaluation of Boundary-Layer Characteristics Predicted by MM5 (Formerly Poster P4.4)

Larry K. Berg, PNNL, Richland, WA; and S. Zhong

Recorded presentation

Sessions End for the Day

Session 2

Cloudy Boundary Layers 1

Location: Rousseau Suite (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

Chair: David A. R. Kristovich, ISWS

8:00 AM

2.1

Influence of convective clouds on the turbulence structure of the boundary layer measured by Doppler Lidar

Andreas Wieser, Institut für Meteorologie und Klimaforschung Forschungszentrum Karlsruhe / Universitaet Karlsruhe, Eggenstein-Leopoldshafen, Germany; and R. Huckle, N. Kalthoff, and U. Corsmeier

Recorded presentation

8:15 AM

2.2

The diurnal cycle of the summer cloud-capped Arctic boundary layer

Michael Tjernström, CIRES/Univ. of Colorado, Boulder, CO

Recorded presentation

Presentation PDF (2.4 MB)

8:30 AM

2.3

A simple parameterization for detrainment in shallow cumulus

Wim C. De Rooy, Royal Netherlands Meteorological Institute (KNMI), De Bilt, Utrecht, Netherlands; and A. P. Siebesma

Presentation PDF (870.3 kB)

8:45 AM

2.4

The influence of the sub-cloud moisture field on cloud size distributions and the consequences for entrainment

Harm J.J. Jonker, Delft University of Technology, Delft, Netherlands; and R. A. Verzijlbergh, T. Heus, and A. P. Siebesma

Recorded presentation

Presentation PDF (177.9 kB)

9:00 AM

2.5

Large-eddy simulation of evaporatively driven entrainment in cloud-topped mixed layers

Takanobu Yamaguchi, CIRES/Univ. of Colorado, Boulder, CO; and D. A. Randall

Recorded presentation

9:15 AM

2.6

Entrainment rate and droplet sedimentation in stratocumulus-capped mixed layers

Christopher S. Bretherton, University of Washington, Seattle, WA; and P. N. Blossey and J. Uchida

Recorded presentation

9:30 AM

2.7

Entrainment and the fine structure of the stratocumulus cloud top

Qing Wang, Naval Postgraduate School, Monterey, CA; and M. S. Horner, S. Wang, and J. Kalogiros

Recorded presentation

Presentation PDF (326.3 kB)

9:45 AM

2.8

Why do descending Shells around Cumulus Clouds exist?

Thijs Heus, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker

Recorded presentation

Presentation PDF (682.7 kB)

Joint Session 2

Roughness Sublayer Turbulence: Vegetative Canopies (Joint between 17BLT and 27AgForest)

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

Chair: Edward G. Patton, NCAR

8:15 AM

J2.1

Eddy structure near the plant canopy interface

Roger H. Shaw, University of California, Davis, CA; and J. J. Finnigan, E. G. Patton, and L. Fitzmaurice

Recorded presentation

Presentation PDF (313.6 kB)

8:30 AM

J2.2

Numerical investigation of coherent structures in a forest edge flow

Sylvain Dupont, INRA , UR1263 EPHYSE, Villenave d'Ornon, France; and Y. Brunet

Recorded presentation

8:45 AM

J2.3

Large-Eddy Simulation of the Roughness Sublayer within and above Forest Canopies and Its Transition to the Outer Regions of the Atmospheric Boundary Layers

Hong-Bing Su, East Carolina University, Greenville, NC; and E. G. Patton

Recorded presentation

Presentation PDF (720.2 kB)

9:00 AM

J2.4

Flow simulation of turbulent and mean advective velocity and scalar fields across a canopy edge

Young-San Park, University of California, Davis, CA; and K. T. Paw U

Presentation PDF (201.7 kB)

9:15 AM

J2.5

Impact of an imposed wall-jet on canopy turbulence and the net ecosystem-atmosphere exchange of carbon dioxide

Shaolin Mao, National Institute for Global Environmental Change, and Tulane Univ., New Orleans, LA; and E. G. Patton, Z. G. Feng, and E. E. Michaelides

Recorded presentation

9:30 AM

J2.6

The impact of a dense canopy on the wind profile and evolution of the boundary layer

Ian N. Harman, CSIRO Marine and Atmospheric Research, Canberra, Australia; and J. J. Finnigan

Recorded presentation

Presentation PDF (313.3 kB)

9:45 AM

J2.7

Flow Structure and Turbulence in a Model Plant Canopy

Weihong Zhu, Johns Hopkins University, Baltimore, MD; and R. van Hout and J. Katz

Presentation PDF (1.1 MB)

10:00 AM

J2.8

Comparing spectra and cospectra in nearly flat terrain with those in the roughness sublayer above the Amazon forest

Osvaldo Luiz Leal De Moraes, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and D. R. Fitzjarrald, O. C. Acevedo, R. K. Sakai, M. Czikowsky, R. Da Silva, H. Zimermann Sr., and L. E. Medeiros

Recorded presentation

Presentation PDF (2.3 MB)

10:15 AM

J2.9

A turbulence kinetic energy budget analysis in a windtunnel model canopy

Wusi Yue, Johns Hopkins University, Baltimore, MD; and W. Zhu, C. Meneveau, M. B. Parlange, H. S. Kang, and J. Katz

Recorded presentation

Presentation PDF (196.1 kB)

J2.10

Large-eddy simulation of tracer gas transport and dispersion within and above a successively thinned loblolly pine canopy

10:45 AM

J2.7a

Coffee Break

Session 3

Roughness Sublayer Turbulence: Urban Canopies

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

Chair: Jeffrey C. Weil, CIRES/Univ. of Colorado

11:00 AM

3.1

Turbulence and channeling in a simple urban environment

Taylor Ray Cole, University of California, Riverside, CA; and X. Li, C. Eising, and M. Princevac

Recorded presentation

Presentation PDF (692.4 kB)

11:15 AM

3.2

Numerical and experimental investigations of atmospheric flow in urban canopies

Elie Bou-Zeid, The Swiss Federal Institute of Technology/EPFL, Lausanne, Switzerland; and J. Overney, Y. H. Tseng, I. Kiener, M. B. Parlange, and C. Meneveau

11:30 AM

3.3

LES Estimation of Environmental Degradation at the Urban Heat Island due to Densely-Arrayed Tall Buildings

Tetsuro Tamura, Tokyo Institute of Technology, Yokohama, Japan; and J. Nagayama, K. Ohta, T. Takemi, and Y. Okuda

Presentation PDF (1.3 MB)

11:45 AM

3.4

Boundary layer development over a heterogeneous urban canopy

Janet Barlow, University of Reading, Reading, United Kingdom

Recorded presentation

12:00 PM

3.5

Influence of buildings and trees on turbulence parameters in the urban roughness sublayer

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

Recorded presentation

Presentation PDF (531.0 kB)

Lunch Break

Joint Session 3

Scalar Transport, Chemistry and Diffusion (Joint between 17BLT and 17BioAero)

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 17th Conference on Biometeorology and Aerobiology )

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

1:45 PM

J3.1

Turbulent transport of 222-Rn and its short-lived daughters in convective boundary layers

Jean-François Vinuesa, Joint Research Centre of the European Commission, Ispra, Italy; and S. Galmarini

Recorded presentation

Presentation PDF (1.2 MB)

2:00 PM

J3.2

Transport and chemical transformations influenced by shallow cumulus over land

Jordi Vilà-Guerau de Arellano, Wageningen Univ., Wageningen, Netherlands; and S. W. Kim, M. C. Barth, and E. G. Patton

Recorded presentation

Presentation PDF (257.5 kB)

2:15 PM

J3.3

The Influence of PBL Parameterizations on the Distributions of Chemical Species in a Mesoscale Chemical Transport Model, WRF-Chem

Si-Wan Kim, CIRES/Univ. of Colorado & NOAA/ESRL/CSD, Boulder, CO; and S. A. McKeen, E. Y. Hsie, M. K. Trainer, G. J. Frost, G. A. Grell, and S. E. Peckham

Presentation PDF (2.4 MB)

2:30 PM

J3.4

Lagrangian modeling of dispersion in the stable boundary layer

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

Recorded presentation

Presentation PDF (90.6 kB)

2:45 PM

J3.5

Coupling Lagrangian surface layer and convective boundary layer models to describe aerial dispersal of particles released near the ground

Matthew T. Boehm, Purdue University, West Lafayette, IN; and D. E. Aylor

Recorded presentation

Presentation PDF (294.3 kB)

3:00 PM

J3.6

Joint Observational Research on Nocturnal Atmospheric Dispersion of Aerosols: The JORNADA study

David R. Miller, Univ. of Connecticut, Storrs, CT; and A. L. Hiscox, C. J. Nappo, J. Wang, D. Zajic, Y. Yee, E. D. Creegan, R. M. Cionco, R. E. Dumais Jr., and J. B. Ross

Recorded presentation

Presentation PDF (577.3 kB)

Session 4

Subfilter/Subgrid-Scale Fluxes: Measurement and Modeling

Location: Boardroom (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

Chair: Fernando Porté-Agel, University of Minnesota

1:45 PM

4.1

Subfilter scale fluxes in the marine surface layer: Results from the Ocean Horizontal Array Turbulence Study (OHATS)

Peter P. Sullivan, NCAR, Boulder, CO; and J. B. Edson, T. W. Horst, J. C. Wyngaard, and M. Kelly

Recorded presentation

Presentation PDF (1.2 MB)

2:00 PM

4.2

Investigation of subgrid-scale scalar flux and its production rate using measurement data (HATS)

Qinglin Chen, Clemson University, Clemson, SC; and C. Tong

Recorded presentation

Presentation PDF (681.5 kB)

2:15 PM

4.3

Geometric Alignments of the SGS Force in the Atmospheric Surface Layer

Chad Higgins, Johns Hopkins University, Baltimore, MD; and C. Meneveau and M. B. Parlange

Recorded presentation

2:30 PM

4.4

Effects of sub-filter scale turbulence models on vertical velocity structure in neutral boundary-layer flow

Francis L. Ludwig, Stanford University, Stanford, CA; and F. K. Chow and R. L. Street

Recorded presentation

Presentation PDF (1.0 MB)

2:45 PM

4.5

Dynamic models for subgrid-scale transport and mixing of reactants in atmospheric turbulent reacting flows

Fernando Porté-Agel, University of Minnesota, Minneapolis, MN; and J. F. Vinuesa

Recorded presentation

Presentation PDF (195.9 kB)

3:00 PM

4.6

A-priori laboratory study of subfilter-scale models for LES over heterogeneous land surfaces

Matthew A. Carper, University of Minnesota, Minneapolis, MN; and F. Porté-Agel and L. Chamorro

Recorded presentation

Presentation PDF (1.5 MB)

Coffee Break

Session 5

Land Surface Heterogeneity

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

Chair: Francis L. Ludwig, Stanford University

3:45 PM

5.1

Arnold F. Moene, Wageningen University, Wageningen, Netherlands; and D. Schüttemeyer and O. K. Hartogensis

Recorded presentation

Presentation PDF (2.0 MB)

4:00 PM

5.2

Evaluating Sub-Grid Variability of Surface Fluxes with a Cellular Automata Version of the Wet-Dry DaisyWorld Model

Dennis Baldocchi, University of California, Berkeley, CA; and J. Dorsey and M. Leclerc

Recorded presentation

Presentation PDF (28.9 kB)

4:15 PM

5.3

EVA_GRIPS and LITFASS-2003: What have we learned ?

Frank Beyrich, German Meteorological Service, Lindenberg, Germany; and H. T. Mengelkamp, F. Ament, J. Bange, F. H. Berger, H. A. R. De Bruin, T. Foken, G. Heinemann, B. Hennemuth, C. Heret, S. Huneke, W. Kohsiek, J. P. Leps, C. Liebethal, H. Lohse, M. Mauder, W. M. L. Meijninger, S. Raasch, C. Simmer, T. Spieß, A. Tittebrand, J. Uhlenbrock, and P. Zittel

Recorded presentation

4:30 PM

5.4

Mesoclimate at the Tapajós-Amazon river confluence

David R. Fitzjarrald, Atmospheric Sciences Research Center/University at Albany and State University of New York, Albany, NY; and R. K. Sakai, O. Moraes, O. C. Acevedo, and M. Czikowsky

Recorded presentation

Presentation PDF (1.0 MB)

4:45 PM

5.5

Coriolis effects in katabatic flow along a differentially cooled sloping surface in a stratified fluid

Alan Shapiro, University of Oklahoma, Norman, OK; and C. Wall and E. Fedorovich

Recorded presentation

5:00 PM

5.6

Effects of soil moisture heterogeneity on boundary layer flow with coupled groundwater, land-surface, and mesoscale atmospheric modeling

Fotini Katopodes Chow, Univ. of California, Berkeley, CA; and S. J. Kollet, R. M. Maxwell, and Q. Duan

Recorded presentation

Presentation PDF (616.4 kB)

Sessions End for the Day

William D. Evans Sternwheeler Cruise Event

Joint Session 4

Stable Boundary Layers 2 (Joint between 17BLT and 27 AgForest)

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

Chair: Gunilla Svensson, CIRES/Univ. of Colorado

8:00 AM

J4.1

Intermittent Turbulence in Stable Boundary Layers and Its Influence on Turbulence Parameterization

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

Recorded presentation

8:15 AM

J4.2

Intermittent bursting of turbulence in a stable boundary layer with low-level jet

Yuji Ohya, Kyushu University, Kasuga, Japan; and R. Nakamura and T. Uchida

Recorded presentation

Presentation PDF (1.6 MB)

8:30 AM

J4.3

Influence of intermittency on similarity theory

Larry Mahrt, NorthWest Research Associates, Inc., Corvallis, OR; and D. Vickers

Recorded presentation

8:45 AM

J4.4

An episode of intermittent turbulence in the nightime PBL during the JORNADA field study

Carmen J. Nappo, NOAA/ARL/ATDD, Oak Ridge, TN; and D. R. Miller, A. L. Hiscox, E. Creegan, Y. Yee, and D. Zajic

Recorded presentation

Presentation PDF (177.5 kB)

9:00 AM

J4.5

Study of an observed Low-Level Jet through Large-Eddy Simulations

Joan Cuxart, Universitat de les Illes Balears, Palma de Mallorca, Spain; and M. A. Jiménez Cortés

Recorded presentation

Presentation PDF (129.5 kB)

9:15 AM

J4.6

A Formula for the Depth of the Stable Boundary Layer: Evaluation and Dimensional Analysis

Gert-Jan Steeneveld, Wageningen University, Wageningen, Netherlands; and B. J. H. Van de Wiel and A. A. M. Holtslag

Recorded presentation

Presentation PDF (199.0 kB)

9:30 AM

J4.7

Consequences of the large-scale subsidence rate on the stably stratified atmospheric boundary layer over the Arctic Ocean, as seen in large-eddy simulations

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

Recorded presentation

9:45 AM

J4.8

Instability of the stable boundary layer?

Bas J. H. Van de Wiel, Wageningen University and Research-Centre, Wageningen, Netherlands; and A. F. Moene, G. J. Steeneveld, and A. A. M. Holtslag

Recorded presentation

Presentation PDF (194.3 kB)

Session 6

Cloudy Boundary Layers 2

Location: Rousseau Suite (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

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

8:00 AM

6.1

A minimalist bulk stratocumulus - trade cumulus boundary layer model

Sungsu Park, NCAR; and C. S. Bretherton

8:15 AM

6.2

A simple model of subtropical stratocumulus feedbacks on climate sensitivity

Peter Caldwell, University of Washington, Seattle, WA; and C. S. Bretherton

Recorded presentation

8:30 AM

6.3

GCSS/WGNE Pacific Cross-section Intercomparison (GPCI): turbulence and clouds in climate and weather prediction models

Joao Teixeira, NATO Undersea Research Centre, La Spezia, Italy; and S. Cardoso, P. M. A. Miranda, C. Jakob, P. M. M. Soares, A. P. Siebesma, R. Neggers, C. Hannay, H. Kitagawa, M. Koehler, A. Lock, P. Marquet, D. Mironov, B. Ritter, D. Stokes, E. Van Meijgard, and M. Zhao

Recorded presentation

8:45 AM

6.4

A GCSS intercomparison of large-eddy simulations of a drizzling stratocumulus-topped marine boundary layer

Andrew S. Ackerman, NASA/GISS, New York, NY

6.5

Evaluation of a buoyancy sorting scheme for cumulus convection with Large Eddy Simulation results

9:15 AM

6.6

Boundary Layer and Deep Convective Clouds Simulated by a Multi-scale Modeling Framework

Anning Cheng, LRC, Hampton, VA; and K. M. Xu

9:30 AM

6.7

Lifecycle analysis of cumulus clouds using a 3D virtual reality environment

Thijs Heus, Delft University of Technology, Delft, Netherlands; and H. J. J. Jonker, E. J. Griffith, and F. H. Post

Recorded presentation

Presentation PDF (1.5 MB)

9:45 AM

6.8

A LES study of wind-shear effect on turbulent structure of stratocumulus clouds

Shouping Wang, Naval Research Laboratory, Monterey, CA; and J. C. Golaz and Q. Wang

Recorded presentation

Presentation PDF (274.0 kB)

Coffee Break

Session 7

Experimental Methods

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

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

10:30 AM

7.1

Vertical profiles of velocity variances and TKE using Doppler-lidar scan data

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

Recorded presentation

Presentation PDF (427.5 kB)

10:45 AM

7.2

Validation of fluxes of an extra large aperture scintillometer at Cabauw using Sky Arrow aircraft flux measurements

Arnold F. Moene, Wageningen University, Wageningen, Netherlands; and W. M. L. Meijninger, W. Kohsiek, B. Gioli, F. Miglietta, and F. Bosveld

Recorded presentation

Presentation PDF (76.7 kB)

11:00 AM

7.3

Large aperture scintillometer intercomparison

Jan Kleissl, University of California, San Diego, LA Jolla, CA; and K. Fleming, J. Cheney, S. H. Hong, and J. Hendrickx

Recorded presentation

11:15 AM

7.4

Comparison of 'M²AV' unmanned airborne meteorological measurements with remote sensing and the Helipod

Thomas Spiess, Aerospace Systems/Technical Univ., Braunschweig, Germany; and J. Bange

Recorded presentation

Presentation PDF (1.1 MB)

11:30 AM

7.5

Attenuation of Scalar Fluxes Measured with Horizontally-Displaced Sensors

T. W. Horst, NCAR, Boulder, CO

Recorded presentation

Presentation PDF (272.6 kB)

11:45 AM

7.6

A re-examination of density effects in eddy covariance measurements of CO2 fluxes

H. P. Liu, Jackson State University, Jackson, MS

Recorded presentation

Presentation PDF (164.9 kB)

Session 8

GEWEX Atmospheric Boundary Layer Study (GABLS)

Location: Rousseau Suite (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

Chair: João Teixeira, UCAR Visiting Scientist, NRL

1:30 PM

8.1

Single column modeling of the diurnal cycle based on CASES99 data – GABLS second intercomparison project

Gunilla Svensson, CIRES/Univ. of Colorado, Boulder, CO; and A. A. M. Holtslag

Recorded presentation

Presentation PDF (2.3 MB)

1:45 PM

8.2

Exploring variability of model results in the GEWEX Atmospheric Boundary Layer Study (GABLS)

Albert A.M. Holtslag, Meteorology and Air Quality, Wageningen University, Wageningen, Netherlands; and G. J. Steeneveld and B. J. H. van de Wiel

Recorded presentation

Presentation PDF (1021.5 kB)

2:00 PM

8.3

Large-eddy simulation of stable boundary layers: a case study

Sukanta Basu, Texas Tech University, Lubbock, TX; and W. Anderson

Recorded presentation

2:15 PM

8.4

Single-column modeling versus mesoscale modeling for an episode with three diurnal cycles in CASES99

E.I.F. de Bruijn, KNMI, De Bilt, Netherlands; and A. B. C. Tijm and G. J. Steeneveld

Presentation PDF (336.5 kB)

2:30 PM

8.5

Implementation of the quasi-normal scale elimination theory in models of ABLs

Boris Galperin, University of South Florida, St. Petersburg, FL; and S. Sukoriansky and V. Perov

Recorded presentation

2:45 PM

8.6

Large-Eddy simulation of the diurnal cycle of the atmospheric boundary layer using boundary conditions derived from CASES-99

Vijayant Kumar, Johns Hopkins University, Baltimore, MD; and M. B. Parlange, C. Meneveau, and G. Svensson

Recorded presentation

3:00 PM

8.7

Surface cooling predictions of the coupled NMM/WRF PBL and Noah land surface schemes

Frank R. Freedman, NOAA/NWS/NCEP, Camp Springs, MD; and Z. I. Janjic and M. Ek

Recorded presentation

Presentation PDF (77.3 kB)

3:15 PM

8.8

Mesoscale Model Intercomparison and Observational Evaluation for Three Contrasting Diurnal Cycles in CASES99: Focus on the Stable Boundary Layer

Gert-Jan Steeneveld, Wageningen University, Wageningen, Netherlands; and T. Mauritsen, E. I. F. de Bruijn, G. Svensson, and A. A. M. Holtslag

Recorded presentation

Presentation PDF (292.6 kB)

Joint Session 5

Remote Sensing and Data Assimilation (Joint between 17BLT and 27AgForest

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

Cochairs: Ching-Long Lin, Iowa Institute of Hydraulic Research and University of Iowa; Ronald J. Dobosy, NOAA/ATDD

1:30 PM

J5.1

Seasonal and interannual variability in carbon exchange along a boreal black spruce chronosequence: Tower-based observations and MODIS-driven predictions using the Vegetation Photosynthesis and Respiration Model

Allison L. Dunn, Harvard University & University of Manitoba, Cambridge, MA; and M. Pathmathevan, G. Winston, A. McMillan, B. D. Amiro, M. Goulden, and S. C. Wofsy

Recorded presentation

1:45 PM

J5.2

Scaling surface energy fluxes in a tall-grass prairie using large aperture scintillometer and MODIS data

Nathaniel A. Brunsell, University of Kansas, Lawrence, KS; and J. M. Ham

Recorded presentation

Presentation PDF (117.4 kB)

2:00 PM

J5.3

Retrieval of Micro scale Flow Structures from Dual-Doppler Lidar Data Measured in the Urban Boundary Layer

Quanxin Xia, University of Iowa, Iowa City, IA; and C. L. Lin, R. Calhoun, and R. K. Newsom

Recorded presentation

Presentation PDF (225.7 kB)

2:15 PM

J5.4

Parameter Estimation in a Land-Surface Model Using Atmospheric Data Assimilation: Finding Distributions for Use in an Ensemble Prediction System

Joshua P. Hacker, NCAR, Boulder, CO; and M. Pagowski and D. Rostkier-Edelstein

Recorded presentation

Presentation PDF (43.3 kB)

2:30 PM

J5.5

Linking the Seasonal Variation of Vegetation Indices to Tower Flux Measurements

Matthias Falk, University of California, Berkeley, CA; and D. D. Baldocchi, S. Ma, S. L. Ustin, and I. R. Mercado

Recorded presentation

2:45 PM

J5.6

Evaluation of surface flux maps over the southern Great Plains in IHOP

Kenneth J. Davis, The Pennsylvania State University, University Park, PA; and K. Craig, S. L. Kang, J. R. Mecikalski, and F. Chen

3:00 PM

J5.7

Estimating land vegetation conditions using surface radiation flux measurements

Tim Wilson, NOAA/ERL/ARL/ATDD, Oak Ridge, TN; and T. P. Meyers

Recorded presentation

3:15 PM

J5.8

Estimates of boundary layer profiles by means of ensemble-filter assimilation of near surface observations in a parameterized PBL

Dorita Rostkier-Edelstein, NCAR, Boulder, CO; and J. Hacker and M. Pagowski

Recorded presentation

Presentation PDF (82.0 kB)

3:30 PM

J5.9

Determining the ground heat flux using a variational technique

Reinder Ronda, KNMI, De Bilt, Netherlands; and F. C. Bosveld

Recorded presentation

Presentation PDF (206.4 kB)

3:45 PM

J5.10

An evaluation of estimations of atmospheric turbulence from coherent Doppler lidar data

Anupama Mattegunta, Arizona State University, Tempe, AZ; and R. Calhoun, H. J. S. Fernando, and A. Wieser

Recorded presentation

Presentation PDF (175.5 kB)

Poster Session 1

Cloudy Boundary Layers (Poster)

Location: Toucan (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

P1.1

A GCSS intercomparison of single-column model simulations of a nocturnal drizzling stratocumulus-topped boundary layer

Christopher S. Bretherton, University of Washington, Seattle, WA; and M. C. Wyant

P1.2

Revision of the boundary layer mixing scheme in the NCEP global forecast system

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

P1.3

A comparative study of observation- and LES-derived turbulence

Shouping Wang, NRL, Monterey, CA; and J. C. Golaz and Q. Wang

Joint Poster Session 1

Remote Sensing and Data Assimilation (Joint between 17BLT and 27AgForest)

Location: Toucan (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

JP1.1

Lidar observations of the boundary layer using an aerosol and ozone profiler

Hugo Michael Anthony Ricketts, University of Manchester, Manchester, United Kingdom; and G. Vaughan, E. G. Norton, and D. P. Wareing

Handout (294.3 kB)

JP1.2

Estimating surface heat fluxes and related parameters by combining satellite brightness temperature and a heat budget model over a semi-arid steppe

Dai Matsushima, Chiba Institute of Technology, Narashino, Japan

Handout (651.0 kB)

Poster Session 2

Experimental Methods (Poster)

Location: Toucan (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

P2.1

Scalar spectra in the near-dissipation range derived from structure functions

Arnold F. Moene, Wageningen University, Wageningen, Netherlands; and A. Van Dijk

Handout (168.2 kB)

P2.2

Atmospheric Boundary Layer Observations at Cabauw in the Netherlands

Fred Bosveld, KNMI, De Bilt, Netherlands; and A. Vermeulen, E. Moors, H. W. J. Russchenberg, A. Apituley, R. Uijlenhoet, G. De Leeuw, A. F. Moene, and C. Werner

Handout (148.0 kB)

P2.3

A novel method for the study of near-surface turbulence using 3-d hot-film anemometry: OTIHS

Gregory S. Poulos, NCAR, Boulder, CO; and S. Semmer, J. Militzer, and G. Maclean

Handout (767.7 kB)

P2.4

An Approach for Estimating Kinematic Heat Flux Loss due to Air-parcel Expansion/Compression in the Surface Layer

Heping Liu, Jackson State University, Jackson, MS

Handout (170.8 kB)

Joint Poster Session 2

Roughness Sublayer Turbulence (Jointbetween 17BLT and27AgForest)

Location: Toucan (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

JP2.1

Numerical simulations of the urban boundary layer observed during Joint Urban 2003

Jocelyn Mailhot, MSC, Dorval, QC, Canada; and S. Bélair, A. Lemonsu, and L. Tong

JP2.2

Large-eddy simulation of forest edge flow with ARPS

Sylvain Dupont, INRA - EPHYSE, Villenave d'Ornon, France; and Y. Brunet

Poster Session 3

GEWEX Atmospheric Boundary Layer Study (GABLS) (Poster)

Location: Toucan (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

P3.1

The influence of model resolution on an expression of the atmospheric boundary layer in a single-column model

Kota Iwamura, Japan Meteorological Agency, Tokyo, Japan; and H. Kitagawa

Handout (447.2 kB)

Joint Poster Session 3

Scalar Transport, Chemistry and Diffusion (Joint between 17BLT and 17BioAero)

Location: Toucan (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 17th Conference on Biometeorology and Aerobiology )

JP3.1

Dispersion in and above plant canopies

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

JP3.2

An Eulerian model for pollen dispersal over heterogeneous landscapes

Sylvain Dupont, INRA - EPHYSE, Villenave d'Ornon, France; and Y. Brunet and N. Jarosz

JP3.3

Use of a statewide mesoscale automated weather station network for real-time operational assessment of near-surface dispersion conditions

J. D. Carlson, Oklahoma State University, Stillwater, OK; and D. S. Arndt

Handout (277.6 kB)

Poster Session 4

PBL Parameterizations and Larger-Scale Modelling (Poster)

Location: Toucan (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

P4.1

Simulation of Marine Latent Heat Fluxes in the Unified Model

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

Handout (1.5 MB)

P4.2

Numerical model of baroclinic turbulence beyond quasi-geostrophic equilibrium

Iordanka Panayotova, Boston College, Chestnut Hill, MA

P4.3

Entrainment parameterization based on entrainment zone Richardson number

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

Handout (35.8 kB)

P4.4

Poster Presentation P4.4 Moved. New Paper Number 1.9B

P4.4A

An observational and numerical study of boundary layer structure in a Gulf Coast Environment (Formerly P5.3 and 1.9A)

Sharon Zhong, University of Houston, Houston, TX; and H. J. In, C. B. Clements, M. D. Jang, A. Quishi, and C. B. Lee

Joint Poster Session 4

Stable Boundary Layers and Intermittency (Joint between 17BLT and 27AgForest)

Location: Toucan (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

JP4.1

Turbulence Profiles in the Weakly Stable Boundary Layer with a Strong LLJ

Robert M. Banta, NOAA/ESRL, Boulder, CO; and Y. L. Pichugina and W. A. Brewer

JP4.2

Surface heterogeneity effects on regional-scale fluxes in stable boundary layers: an LES study

Rob Stoll, University of Minnesota, Minneapolis, MN; and F. Porté-Agel

Handout (101.2 kB)

JP4.3

Sensitivity of the surface layer nocturnal energy balance closure to soil heat flux estimation

Luiz Eduardo Medeiros, Atmospheric Sciences Research Center, Albany, NY; and D. R. Fitzjarrald, O. C. Acevedo, M. J. Czikowsky, R. K. Sakai, and O. Moraes

JP4.4

Sensible heat budgets for stable nocturnal boundary layers over weakly heterogeneous terrain

Reina Nakamura, Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, Japan; and L. Mahrt

JP4.5

Quasi-wavelet formulations of turbulence with intermittency and correlated field properties

D. Keith Wilson, U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH; and G. H. Goedecke and V. E. Ostashev

Handout (175.9 kB)

JP4.6

On the Excess Mixing in NWP Models in Stable Boundary Layers: the Possible Role of Orographic generated Sub-grid Gravity Wave Drag

Gert-Jan Steeneveld, Wageningen University, Wageningen, Netherlands; and A. A. M. Holtslag, C. J. Nappo, and L. Mahrt

Handout (219.5 kB)

JP4.7

Measurements of the diurnal cycle of temperature, humidity, wind, and carbon dioxide in a subalpine forest during the Carbon in the Mountains Experiment (CME04)

Sean P. Burns, NCAR, Boulder, CO; and J. Sun, S. P. Oncley, A. C. Delany, B. B. Stephens, D. E. Anderson, D. Schimel, D. Lenschow, and R. Monson

Handout (2.0 MB)

JP4.8

Thorsten Mauritsen, Stockholm University, Stockholm, Sweden; and G. Svensson, S. Zilitinkevich, I. Esau, L. Enger, and B. Grisogono

Handout (384.6 kB)

JP4.9

Observations of velocity variance in the stable boundary layer

Dean Vickers, Oregon State University, Corvallis, OR; and L. Mahrt

Handout (1.1 MB)

JP4.10

Katabatic wind over gentle slope on the Majorca Island

Daniel Martínez Villagrasa, Universitat de les Illes Balears, Palma de Mallorca, Spain; and J. Cuxart Rodamilans and M. A. Jiménez Cortés

Handout (801.7 kB)

Poster Session 5

Shear and Convectively Driven Boundary Layers

Location: Toucan (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

P5.1

P5.3 Moved to 1.9A.

P5.2

Entrainment zone definitions: a large eddy study

Alison M. Fowler, University of Leeds, Leeds, West Yorkshire, United Kingdom; and I. M. Brooks

Handout (98.6 kB)

P5.3

P5.1 Moved to 1.8A.

Joint Poster Session 5

Turbulence over Complex Terrain (Joint between 17BLT and 27AgForest)

Location: Toucan (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

JP5.1

Topographycal Effect on Soil Respiration in Mountanious Catchment

Koji Tamai, Forestry & Forest Products Research Institute, Kumamoto, Japan

JP5.2

The role of clearcuts and spatial disturbances on the downwind canopy layer flow and turbulence

Gengsheng Zhang, University of Georgia, Griffin, GA; and M. Y. Leclerc, A. Karipot, C. Thomas, and T. Foken

JP5.3

The role of advection on CO₂ flux measurements at the Cabauw tall tower, The Netherlands

Cindy Werner, Geological and Nuclear Sciences, Taupo, New Zealand; and F. C. Bosveld, A. Vermeulen, and E. Moors

Handout (411.4 kB)

JP5.4

On the sensitivity of Lagrangian Stochastic footprint modeling to within canopy flow statistics derived from Wavelet analysis

Mathias Göckede, Oregon State University, Corvallis, OR; and C. Thomas, T. Markkanen, M. Mauder, J. Ruppert, and T. Foken

Handout (460.1 kB)

JP5.5

Modeling of the forest gaps-forest interaction

Andrey Sogachev, University of Helsinki, Helsinki, POBox 68, Finland; and M. Y. Leclerc, A. Karipot, G. Zhang, and T. Vesala

Handout (415.0 kB)

JP5.6

Mesoscale basin flows in the nocturnal boundary-layer: modeling and verification

Antonio Mira Navarro, Universitat de les Illes Balears, Palma de Mallorca, Spain; and J. Cuxart, A. Luque, and J. A. Guijarro

Handout (708.3 kB)

JP5.7

Evaluation of dynamic subgrid-scale models in large-eddy simulations of turbulent flow over a two-dimensional sinusoidal hill

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

Handout (332.8 kB)

JP5.8

An LES study on the CBLs over heterogeneous land surfaces

Formal Poster Viewing and Reception (Cash Bar)

Joint Session 6

Turbulence Over Complex Terrain 1 (Joint between 17BLT and 27AgForest)

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

Cochairs: Tom Horst, NCAR; Brian D. Amiro, University of Manitoba

8:00 AM

J6.1

A Case for a Combined Mesoscale and Climate Model Boundary Layer Parameterization Improvement Project

Eric P. Grimit, University of Washington, Seattle, WA; and R. C. Foster, C. S. Bretherton, L. K. Berg, T. P. Ackerman, C. Mass, and J. R. McCaa

Recorded presentation

8:15 AM

J6.2

A Wind Tunnel Study of Flow Characteristics near Model Swine Production and Manure Storage Facilities

Thomas J. Sauer, USDA/ARS, Ames, IA; and J. L. Hatfield, F. L. Haan Jr., and J. H. Prueger

Recorded presentation

Presentation PDF (176.1 kB)

8:30 AM

J6.3

Comparison of turbulent statistics and spectra at two heights over a semi-arid grassland surface

John H. Prueger, USDA/ARS, Ames, IA; and L. E. Hipps, W. Eichinger, R. L. Scott, W. P. Kustas, and J. L. Hatfield

Recorded presentation

Presentation PDF (1.8 MB)

8:45 AM

J6.4

Estimates of Horizontal Advection Using Field Measurements in a Crop Canopy

John Kochendorfer, University of California, Davis, CA; and K. T. Paw U and Y. S. Park

Recorded presentation

Presentation PDF (49.3 kB)

J6.5

Flow fields on and around a semi-arid Sky Island

9:15 AM

J6.6

Impact of terrain heterogeneity on near-surface turbulence: long-term investigation at SIRTA observatory

Clément Fesquet, IPSL, Palaiseau, France; and C. Barthlott, P. Drobinski, T. Dubos, C. Pietras, and M. Haeffelin

Recorded presentation

Presentation PDF (636.2 kB)

J6.7

Wind Channeling in the Hudson Valley, NY

Presentation PDF (256.5 kB)

9:45 AM

J6.8

Response of the Hudson Valley boundary layer to diurnal forcing during a case of rotating geostrophic wind

David R. Fitzjarrald, Atmospheric Sciences Research Center/University at Albany and State University of New York, Albany, NY; and R. K. Sakai, J. M. Freedman, and M. J. Czikowsky

Recorded presentation

Presentation PDF (1021.6 kB)

10:00 AM

J6.9

Modeling canopy turbulent flow over complex terrain

Chuixiang Yi, Queens College, City University of New York, Flushing, NY; and R. Monson, Z. Zhai, D. E. Anderson, A. Turnipseed, S. Burns, and B. Lamb

Recorded presentation

Presentation PDF (445.7 kB)

10:15 AM

J6.10

An evaluation of several turbulence closure schemes for modelling thermally induced slope flows

Xiurong Sun, CRESS, York University, Toronto, ON, Canada; and W. Weng and P. A. Taylor

Recorded presentation

Presentation PDF (356.4 kB)

10:30 AM

J6.11

Flow over a forested hill: Canopy-atmosphere interactions

Andrew N. Ross, University of Leeds, Leeds, West Yorkshire, United Kingdom

Recorded presentation

Presentation PDF (238.4 kB)

10:45 AM

J6.12

Turbulent flow over isolated ridges; influence of vegetation

Edward Garrett Patton, NCAR, Boulder, CO; and P. P. Sullivan and K. W. Ayotte

Recorded presentation

Presentation PDF (118.3 kB)

11:00 AM

J6.13

Oscillatory flow regimes in turbulent katabatic flows retrieved from direct numerical simulations

Evgeni Fedorovich, University of Oklahoma, Norman, OK; and A. Shapiro

Recorded presentation

11:15 AM

J6.14

The influence of large wind farms on the atmospheric boundary layer

Amanda S. Adams, Univ. of Calgary, Calgary, AB, Canada; and D. W. Keith

Recorded presentation

11:30 AM

J6.8a

Coffee Break

Side Meeting: The Gewex Atmospheric Boundary Layer Study (GABLS): Current Status and Future Directions will meet in the Rousseau Suite

Lunch Break

Joint Session 7

Land Surface/PBL/Cloud Coupling (Joint between 17BLT and 27 AgForest)

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Hosts: (Joint between the 17th Symposium on Boundary Layers and Turbulence; and the 27th Conference on Agricultural and Forest Meteorology )

Chair: Shouping Wang, Naval Research Laboratory

1:30 PM

J7.1

The effect of land surface characteristics on simulated boundary layer meteorology

Fang-Yi Cheng, Univ. of Houston, Houston, TX; and D. W. Byun

Recorded presentation

1:45 PM

J7.2

Surface wind variability due to convection over land

Steven K. Krueger, University of Utah, Salt Lake City, UT; and P. Bogenschutz, M. A. Zulauf, and M. A. Jenkins

Recorded presentation

2:00 PM

J7.3

Influence of Land Cover, Soil Moisture, and Terrain on the Horizontal Distribution of Sensible and Latent Heat Fluxesin Southeast Kansas during IHOP_2002 and CASES-97

Margaret A. LeMone, NCAR, Boulder, Colorado; and F. Chen, J. Alfieri, and R. L. Grossman

Recorded presentation

J7.4

Impact of land surface processes on boundary layer evolution

Presentation PDF (339.8 kB)

J7.5

Study land use effect on boundary layer meteorological characteristics

2:45 PM

J7.6

Evaluation of a new parameterization for fair-weather cumulus

Larry K. Berg, PNNL, Richland, WA; and R. B. Stull

Recorded presentation

Presentation PDF (523.5 kB)

Coffee Break

Session 9

PBL Parameterizations and Larger-Scale Modelling

Location: Kon Tiki Ballroom (Catamaran Resort Hotel)

Host: 17th Symposium on Boundary Layers and Turbulence

Chair: João Teixeira, UCAR Visiting Scientist, NRL

3:30 PM

9.1

Are observed wind speeds too high?

Diane Strassberg, NCAR, Boulder, CO; and M. A. LeMone and T. Warner

Recorded presentation

3:45 PM

9.2

How can we describe the entrainment processes in sheared convective boundary layers?: a large-eddy simulation and mixed-layer theory/model comparison study

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

Recorded presentation

Presentation PDF (251.9 kB)

4:00 PM

9.3

Tests of transilient versus flux-gradient turbulence parameterizations for the prediction of surface layer wind profiles

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

Recorded presentation

Presentation PDF (128.2 kB)

4:15 PM

9.4

Parameterization of momentum fluxes and pressure terms in a PBL mass-flux model

Cara-Lyn Lappen, Colorado State University, Durango, CO; and D. A. Randall

Recorded presentation

4:30 PM

9.5

Behavior of WRF PBL schemes and land-surface models in 1D simulations during BAMEX

Mariusz Pagowski, NOAA/GSD and CIRA, Colorado State University, Boulder, CO; and J. P. Hacker and D. Rostkier-Edelstein

Recorded presentation

Presentation PDF (551.2 kB)

4:45 PM

9.6

Cloud - SST feedback simulated from GCM and comparison with observations

Sungsu Park, NCAR; and C. S. Bretherton

Recorded presentation

17th Symposium on Boundary Layers and Turbulence Adjourns

17th Symposium on Boundary Layers and Turbulence

Sunday, 21 May 2006

5:00 PM-7:00 PM: Sunday, 21 May 2006

Monday, 22 May 2006

7:00 AM-7:00 AM: Monday, 22 May 2006

8:30 AM-12:00 PM: Monday, 22 May 2006

12:00 PM-1:30 PM: Monday, 22 May 2006

1:30 PM-6:00 PM: Monday, 22 May 2006

5:30 PM-5:30 PM: Monday, 22 May 2006

Tuesday, 23 May 2006

8:00 AM-10:00 AM: Tuesday, 23 May 2006

8:15 AM-11:15 AM: Tuesday, 23 May 2006

10:00 AM-10:30 AM: Tuesday, 23 May 2006

11:00 AM-12:15 PM: Tuesday, 23 May 2006

12:15 PM-1:45 PM: Tuesday, 23 May 2006

1:45 PM-3:15 PM: Tuesday, 23 May 2006

3:15 PM-3:45 PM: Tuesday, 23 May 2006

3:45 PM-5:15 PM: Tuesday, 23 May 2006

5:15 PM-5:15 PM: Tuesday, 23 May 2006

6:30 PM-8:30 PM: Tuesday, 23 May 2006

Wednesday, 24 May 2006

8:00 AM-10:00 AM: Wednesday, 24 May 2006

10:00 AM-10:30 AM: Wednesday, 24 May 2006

10:30 AM-12:00 PM: Wednesday, 24 May 2006

1:30 PM-3:30 PM: Wednesday, 24 May 2006

1:30 PM-4:00 PM: Wednesday, 24 May 2006

4:30 PM-7:00 PM: Wednesday, 24 May 2006

Thursday, 25 May 2006

8:00 AM-12:00 PM: Thursday, 25 May 2006

10:30 AM-12:00 PM: Thursday, 25 May 2006

12:00 PM-1:30 PM: Thursday, 25 May 2006

1:30 PM-3:00 PM: Thursday, 25 May 2006

3:00 PM-3:30 PM: Thursday, 25 May 2006

3:30 PM-5:00 PM: Thursday, 25 May 2006

5:00 PM-5:00 PM: Thursday, 25 May 2006

Sunday, 21 May 2006

5:00 PM-7:00 PM: Sunday, 21 May 2006

Monday, 22 May 2006

7:00 AM-7:00 AM: Monday, 22 May 2006

8:30 AM-12:00 PM: Monday, 22 May 2006

12:00 PM-1:30 PM: Monday, 22 May 2006

1:30 PM-6:00 PM: Monday, 22 May 2006

5:30 PM-5:30 PM: Monday, 22 May 2006

Tuesday, 23 May 2006

8:00 AM-10:00 AM: Tuesday, 23 May 2006

8:15 AM-11:15 AM: Tuesday, 23 May 2006

10:00 AM-10:30 AM: Tuesday, 23 May 2006

11:00 AM-12:15 PM: Tuesday, 23 May 2006

12:15 PM-1:45 PM: Tuesday, 23 May 2006

1:45 PM-3:15 PM: Tuesday, 23 May 2006

3:15 PM-3:45 PM: Tuesday, 23 May 2006

3:45 PM-5:15 PM: Tuesday, 23 May 2006

5:15 PM-5:15 PM: Tuesday, 23 May 2006

6:30 PM-8:30 PM: Tuesday, 23 May 2006

Wednesday, 24 May 2006

8:00 AM-10:00 AM: Wednesday, 24 May 2006

10:00 AM-10:30 AM: Wednesday, 24 May 2006

10:30 AM-12:00 PM: Wednesday, 24 May 2006

1:30 PM-3:30 PM: Wednesday, 24 May 2006

1:30 PM-4:00 PM: Wednesday, 24 May 2006

4:30 PM-7:00 PM: Wednesday, 24 May 2006

Thursday, 25 May 2006

8:00 AM-12:00 PM: Thursday, 25 May 2006

10:30 AM-12:00 PM: Thursday, 25 May 2006

12:00 PM-1:30 PM: Thursday, 25 May 2006

1:30 PM-3:00 PM: Thursday, 25 May 2006

3:00 PM-3:30 PM: Thursday, 25 May 2006

3:30 PM-5:00 PM: Thursday, 25 May 2006

5:00 PM-5:00 PM: Thursday, 25 May 2006