Program: 15th Conference on Boundary Layer and Turbulence (15th Conference on Boundary Layer and Turbulence)

SUN 14 JULY

Conference Registration

MON 15 JULY

Registration Continues through Friday, 19 July

1

Opening Session

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Albert A.M. Holtslag, Wageningen University

Papers:

9:00 AM

1.0

Introductory Remarks

9:15 AM

1.0

Session Overviews by Chairs

3

Convective BLs

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Robert Banta, NOAA

Papers:

10:30 AM

3.1

Dynamics of convective entrainment in a heterogeneously stratified atmosphere with wind shear

Robert Conzemius, University of Oklahoma, Norman, OK; and E. Fedorovich

Poster PDF (276.9 kB)

10:45 AM

3.2

The shear contribution to the evolution of a convective boundary layer

David Pino, Institute for Space Studies of Catalonia, Barcelona, Spain; and P. G. Duynkerke and J. Vilà-Guerau de Arellano

http://

Poster PDF (83.1 kB)

11:00 AM

3.3

Effects of initial temperature and velocity perturbations on the development of convection in the atmospheric boundary layer

Evgeni Fedorovich, University of Oklahoma, Norman, OK; and R. Conzemius

Poster PDF (150.7 kB)

11:15 AM

3.4

Turbulent Structures in the Convective Boundary Layer, such as Plumes and Puffs, in Relation to the Thermal Characteristics of the Surface

F. T. M. Nieuwstadt, Delft University of Technology, Delft, Netherlands; and J. C. R. Hunt and H. S. Fernando

Poster PDF (100.2 kB)

11:30 AM

3.5

Broadening of convective cells during cold air outbreaks: A high resolution study using a parallelized les model

Michael Schröter, University of Hannover, Hannover, Germany; and S. Raasch

Poster PDF (2.8 MB)

11:45 AM

3.6

Evaluation of Relationships between Boundary-Layer Height and Heat Flux

Janus W. Schipper, Wageningen Univ., Wageningen, Netherlands; and W. M. Angevine, A. B. White, and T. Myers

Poster PDF (37.5 kB)

12:00 PM

3.7

Air mass transformation over the Sea of Japan during cold-air outbreaks revealed by aircraft observations

Jun Inoue, Hokkaido University, Sapporo, Japan; and M. Kawashima, Y. Fujiyoshi, and M. Yoshizaki

Poster PDF (316.9 kB)

12:15 PM

3.8

Eddy-diffusivity and convective boundary layers: A new mixing length formulation

João Teixeira, UCAR Visiting Scientist, NRL, Monterey, CA; and S. Cheinet

2

Energy Balance and Surface Flux Observational Methods and Studies

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Wade R. McGillis, WHOI

Papers:

10:30 AM

2.1

THE ENERGY BALANCE EXPERIMENT EBEX-2000

Steven P. Oncley, NCAR, Boulder, CO; and T. Foken, R. Vogt, C. Bernhofer, W. Kohsiek, H. Liu, A. Pitacco, D. Grantz, L. Riberio, and T. Weidinger

Poster PDF (277.9 kB)

10:45 AM

2.2

Renaissance of scintillometry

Henk A. R. De Bruin, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands

Poster PDF (138.6 kB)

11:00 AM

2.3

The applicability of the scintillation method over heterogeneous areas

Wouter M. L. Meijninger, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and W. Kohsiek and H. A. R. De Bruin

Poster PDF (374.4 kB)

11:15 AM

2.4

Use of the R.E.A technique to measure scalar fluxes on ground-based and mobile platform

Aurore Brut, CNRM, Meteo-France, Toulouse, France; and D. Legain, P. Durand, P. Laville, A. Fotiadi, and D. Serça

Poster PDF (354.4 kB)

11:30 AM

2.5

Significance of axis rotation for eddy-covariance measurements

Arnold F. Moene, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and O. K. Hartogensis, B. G. Heusinkveld, W. M. L. Meijninger, and A. van Dijk

11:45 AM

2.6

Inferring leaf emergence and estimating evapotranspiration from eddy covariance measurements and runoff records

Matthew J. Czikowsky, University at Albany, SUNY, Albany, NY; and D. R. Fitzjarrald, R. M. Staebler, and R. K. Sakai

Poster PDF (311.5 kB)

12:00 PM

2.7

Observations and model results for water vapor and carbon dioxide fluxes above a sparsely vegetated bog area

Adrie F. G. Jacobs, Meteorology and Air Quality Group, Wagenigen University, Wageningen, Netherlands; and R. J. Ronda and A. A. M. Holtslag

Poster PDF (1.8 MB)

12:15 PM

2.8

Eddy Sampling Methods, a comparison using simulation results

Johannes Ruppert, University of Bayreuth, Bayreuth, Germany; and B. Wichura, A. Delany, and T. Foken

Poster PDF (75.1 kB)

12:30 PM

2.8a

Lunch Break

Poster Session 1

Cloudy and Convective BLs

Sponsor: 15th Conference on Boundary Layer and Turbulence

Papers:

P1.1

Ship-based exploratory observations of the SE Pacific stratocumulus-capped boundary layer during EPIC 2001

Christopher S. Bretherton, University of Washington, Seattle, WA; and K. Comstock, S. Yuter, T. Uttal, and C. W. Fairall

P1.2

Size statistics of cumulus cloud populations in large-eddy simulations

Roel A. J. Neggers, KNMI, De Bilt, Netherlands; and H. J. J. Jonker and A. P. Siebesma

Poster PDF (166.3 kB)

P1.3

Statistical analysis of the clouds diurnal evolution in the PBL

N. Kitova, Institute of Electronics, Bulgarian Academy of Sciences, Sofia, Bulgaria; and K. Ivanova, M. A. Mikhalev, and M. Ausloos

Poster PDF (70.7 kB)

P1.4

Paper Moved to Session 5, new paper number 5.6A

P1.5

The formation of vertical vortices in the convective boundary layer

Katharine M. Kanak, School of Meteorology, University of Oklahoma, Norman, OK OK; and D. K. Lilly and J. T. Snow

P1.6

Turbulence Structure of the ASTEX First Lagrangian Boundary and Cloud Layer

Michael Tjernström, Stockholm University, Stockholm, Sweden; and A. Rune

P1.7

Triggering Mechanisms of Boundary Layer Convections over the Taiwan Area in Spring Season

Tai-Hwa Hor, Chung Cheng Inst. of Technology, Taoyuan, Taiwan; and C. H. Wei and M. H. Chang

http://

Poster PDF (398.0 kB)

P1.8

Turbulent fluxes, temperature and humidity convergence after sunrise

Rodrigo Silva, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and O. C. Acevedo, O. Moraes, D. R. Fitzjarrald, R. K. Sakai, M. Czikowsky, and R. Staebler

Poster PDF (111.3 kB)

P1.9

Understanding the Processes of Stratocumulus Break-up in the Coastal Region

Qing Wang, NPS, Monterey, CA; and D. L. Rosenberg and S. Wang

P1.10

Use of Simultaneous Radar and Lidar Data for the Retrieval of Microphysical Parameters in Low-Level Water Clouds

Oleg A. Krasnov, Delft University of Technology, Delft, Netherlands; and H. W. J. Russchenberg

Poster PDF (174.5 kB)

P1.11

Variation of the Cloud-topped Boundary Layer Height Near the California Coast --- Observations from DECS

Qing Wang, NPS, Monterey, CA; and I. A. Kalogiros and S. Wang

P1.12

Paper moved to Session 5, New paper number 5.14)

P1.13

Self-Similarity Constraints for Convective Boundary Layers

Jianjun Duan, University of California, Los Angeles, CA; and B. Stevens

Poster PDF (132.2 kB)

P1.14

Nonlinear scale interactions in lake-effect clouds

Natasha L. Miles, Penn State University, University Park, PA; and J. Verlinde

Poster PDF (538.1 kB)

P1.15

A pressure parameterization based on the geometry of the flow

P1.16

Aircraft observations of air mass transformation over advancing ice cover in the Sea of Okhotsk

Jun Inoue, Hokkaido University, Sapporo, Japan; and M. Kawashima, Y. Fujiyoshi, and M. Wakatsuchi

Poster PDF (417.0 kB)

P1.17

Coherence of vertical velocity from a zenith-pointing Doppler lidar

Shane D. Mayor, NCAR, Boulder, CO; and D. H. Lenschow

Poster PDF (104.7 kB)

P1.18

Comparison of parameterized cloud variability to ARM data

Stephen A. Klein, NOAA/GFDL, Princeton, NJ; and J. R. Norris

P1.19

Effects of domain size and numerical resolution on the simulation of shallow cumulus convection

David E. Stevens, LLNL, Livermore, CA

Poster PDF (3.2 MB)

P1.20

Paper Moved to Session 5, new paper number 5.12A

P1.20A

Mesoscale Simulations of Stratocumulus-topped Boundary Layers and Comparisons with Aircraft Observations (Formerly paper number 5.12)

Qing Wang, NPS, Monterey, CA; and T. Chang and S. Wang

P1.21

Interactions of deep cumulus convection and the boundary layer over the southern Great Plains

P1.22

Massflux budgets of shallow cumulus clouds

Stephan R. de Roode, University of Washington, Seattle, WA; and C. S. Bretherton

http://

Poster PDF (139.9 kB)

P1.23

Modeling the cloud-topped marine PBL; turbulence influence on the condensational growth

Gunilla Svensson, Stockholm University, Stockholm, Sweden; and J. H. Seinfeld

P1.24

Observations of the morning transition of the convective boundary layer

Wayne M. Angevine, CIRES/Univ. of Colorado and NOAA/AL, Boulder, CO; and H. Klein Baltink and F. C. Bosveld

Poster PDF (10.1 kB)

Poster Session 2

Observational Methods

Sponsor: 15th Conference on Boundary Layer and Turbulence

Papers:

P2.1

Influences of surface heterogeneity on tower-based flux measurements

Weiguo Wang, Penn State University, University Park, PA; and K. J. Davis

Poster PDF (234.3 kB)

P2.2

Long range scintillometry

William Kohsiek, KNMI, De Bilt, Netherlands; and W. M. L. Meijninger and H. A. R. de Bruin

Poster PDF (281.1 kB)

P2.3

Re-evaluation of Integral Turbulence Characteristics and their Parameterisations

Christoph Thomas, University of Bayreuth, Bayreuth, Germany; and T. Foken

Poster PDF (191.2 kB)

P2.4

Remote Sensing of the Late-Summer Boundary Layer Near the North Pole

P. Ola G. Persson, CIRES/NOAA/ETL, Boulder, CO; and S. Abbott, M. L. Jensen, B. Larsson, V. Leuski, A. Targino, M. Tjernstrom, and A. White

Poster PDF (234.6 kB)

P2.5

Spatial variability of eddy covariance measurements: a comparison of two identical eddy correlation systems in adjacent plots

Jon Warland, University of Guelph, Guelph, ON, Canada; and K. Taillon

Poster PDF (180.0 kB)

P2.6

The influence of pulse-firing delays on sonic anemometer response characteristics

Morten Nielsen, Risø National Laboratory, Roskilde, Denmark; and S. E. Larsen

Poster PDF (195.2 kB)

P2.7

The surface energy balance over a desert, and the relevance of soil heat flux measurements

Bert G. Heusinkveld, Meteorology and Air Quality Group, Wageningen Univ., Wageningen, Netherlands; and A. F. G. Jacobs, A. A. M. Holtslag, and S. M. Berkowicz

Poster PDF (301.1 kB)

P2.8

Influence of the airflow distortion on air-sea flux measurements aboard research vessel: results of physical simulations applied to the EQUALANT99 experiment

Aurore Brut, CNRM, Meteo-France, Toulouse, France; and A. Butet, S. Planton, P. Durand, and G. Caniaux

Poster PDF (1.6 MB)

P2.9

An airborne disjunct eddy covariance system: Sampling strategy and instrument design

Janne Rinne, CNRM, Meteo-France, Toulouse, France; and P. Durand and A. Guenther

Poster PDF (124.2 kB)

P2.10

Boundary layer profiles of aerosol size distribution obtained by kites and a tethered balloon during the Arctic Ocean Expedition (AOE-2001)

Michael L. Jensen, CIRES/Univ. of Colorado, Boulder, CO; and C. Leck, A. Targino, B. Wehner, C. Fischer, and E. Swietlicki

Poster PDF (87.6 kB)

P2.11

Displaced-Beam Small Aperture Scintillometer test: CASES-99 stable boundary layer experiment

Oscar K. Hartogensis, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and H. A. R. De Bruin

Poster PDF (860.7 kB)

P2.12

Fetch and footprint considerations during measurement of trace gas emissions: A refinery landfarm case study

Sandra Ausma, Univ. of Guelph, Guelph, ON, Canada; and G. C. Edwards and T. J. Gillespie

Poster PDF (202.0 kB)

P2.13

Finding Boundary Layer Top for the Stable Layer: Application of a Haar Wavelet Covariance Transform to Lidar Observations

Ian M. Brooks, SIO/Univ. of California, La Jolla, CA

Poster PDF (74.6 kB)

P2.14

Flux footprints over canopies with varying structure and density

Tiina Markkanen, University of Helsinki, Helsinki, Finland; and Ü. Rannik and T. Vesala

P2.15

Improved turbulent flux calculations

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

Poster PDF (65.5 kB)

Coffee Break

4

Duynkerke Memorial

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Albert A.M. Holtslag, Wageningen University

Papers:

3:30 PM

4.1

Remembering Peter Duynkerke

Albert A. M. Holtslag, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and S. R. de Roode

Poster PDF (1.9 MB)

3:45 PM

4.2

Scientific highlights from the GCSS Boundary Layer Cloud Working Group under Peter Duynkerke's leadership

Christopher S. Bretherton, University of Washington, Seattle, WA

4:00 PM

4.3

Intrepid Investigations of Cloud Toppped Boundary Layers

Bjorn Stevens, University of California, Los Angeles, CA

4:15 PM

4.4

LES: How large is large enough?

Peter G. Duynkerke, Institute for Marine and Atmospheric Research, Utrecht Univ., Utrecht, Netherlands; and H. J. J. Jonker and S. R. de Roode

Poster PDF (175.1 kB)

4:30 PM

4.5

The Role of the filter in the Filtered Navier-Stokes Equation

Arjan van Dijk, Utrecht University, Utrecht, Netherlands; and P. G. Duynkerke

Poster PDF (188.7 kB)

4:45 PM

4.6

Countergradient fluxes in the clear convective boundary layer: The role of the entrainment flux

Stephan R. de Roode, Utrecht University, Utrecht, Netherlands; and P. G. Duynkerke and H. J. J. Jonker

Poster PDF (101.8 kB)

5:00 PM

4.7

The total water budget of nocturnal stratocumulus

Margreet C. vanZanten, University of California, Los Angeles, CA; and B. Stevens, G. Vali, and D. Lenschow

Poster PDF (94.0 kB)

5:15 PM

4.8

Cumulus properties from aircraft and satellite measurements

Stefaan M. A. Rodts, Utrecht University, Utrecht, Netherlands; and H. J. J. Jonker and P. G. Duynkerke

http://www.phys.uu.nl/~wwwimau/ShalCumDyn/rodts.html

Poster PDF (97.9 kB)

Sessions end for the day

Welcome Reception

TUE 16 JULY

5

Cloudy BLs

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Qing Wang, NPS

Papers:

8:30 AM

5.1

Entrainment in nocturnal stratocumulus

Bjorn Stevens, University of California, Los Angeles, CA; and D. H. Lenschow, I. Faloona, V. Savic-Jovcic, and M. vanZanten

Poster PDF (1.6 MB)

8:45 AM

5.2

Shallow cumulus convection: validation of large-eddy simulation against aircraft and LandSat observations

R. A. J. Neggers, KNMI, De Bilt, Netherlands; and P. G. Duynkerke and S. M. A. Rodts

Poster PDF (243.2 kB)

9:00 AM

5.3

Retrieval of boundary layer cloud properties using infrared satellite data during the DYCOMS-II field experiment

Juan C. Pérez, Universidad de La Laguna, Canary Islands, Spain; and P. H. Austin and A. Gonzolaz

http://www.lct.ull.es/Blmeet

Poster PDF (22.9 kB)

9:15 AM

5.4

Observations of stratocumulus entrainment in the coastal zone

John Kalogiros, National Observatory of Athens, Athens, Greece and NPS, Monterey, CA; and Q. Wang

9:30 AM

5.5

Entrainment and large eddy structure in cloudy boundary layers

David C. Lewellen, West Virginia University, Morgantown, WV; and W. S. Lewellen

http://eiger.mae.wvu.edu/cloud.html

Poster PDF (220.7 kB)

5.6

Large-eddy simulations of entrainment of aerosol into the marine boundary layer during ASTEX: a case study

9:45 AM

5.7

Diurnal cycles of a marine Sc layer and Cu over land simulated with a TKE scheme using a unified formulation of the mixing length

E. Sánchez, Instituto Nacional de Meteorologia, Madrid, Spain; and J. Cuxart

Poster PDF (103.7 kB)

10:00 AM

5.8

A new subcloud model for convection parameterization

A.P. Siebesma, KNMI, De Bilt, Netherlands; and C. Jakob, J. Teixeira, and P. Soares

10:15 AM

5.9

An examination of a unified cloudiness-turbulence scheme with various types of cloudy boundary layers

Jocelyn Mailhot, MSC, Dorval, QC, Canada; and S. Bélair

Poster PDF (94.0 kB)

10:30 AM

5.10

Marat F. Khairoutdinov, Colorado State University, Fort Collins, CO; and D. A. Randall

Poster PDF (413.3 kB)

10:45 AM

5.11

A Spectral Model for the Coherent Structures in the Dry and Moist Convective Boundary Layers

Sylvain Cheinet, Laboratoire de Meteorologie Dynamique, Paris, France

10:59 AM

5.12

Paper moved to Poster Session P1, New Paper Number P1.20A

11:00 AM

5.13

A Diagnostic Study of Episodic Mixing Models of Shallow Cumulus Clouds

Ming Zhao, University of British Columbia, Vancouver, BC, Canada; and P. H. Austin

http://www.eos.ubc.ca/research/clouds/bl513

Poster PDF (93.4 kB)

11:15 AM

5.14

Turbulence Closure and Cloud Dynamics in Cloud-resolving Simulations of Boundary-layer Cloud Regimes (Formerly paper number P1.12)

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

Poster PDF (672.2 kB)

12:00 PM

5.6a

Tethered-balloone borne measurements of the fine-scale structure of boundary layer clouds (Formerly Paper Number P1.4)

Holger Siebert, Institute for Tropospheric Research, Leipzig, Germany; and M. Wendisch

Poster PDF (745.4 kB)

11:30 AM

5.6a

Coffee Break

12:15 PM

5.12a

Estimating Divergence and Vorticity from Aircraft Data in the Stratocumulus Topped Boundary Layer (Formerly paper number P1.20)

Verica Savic-Jovcic, University of California, Los Angeles, CA; and B. Stevens and D. H. Lenschow

Poster PDF (207.2 kB)

12:30 PM

5.14a

Lunch Break

6

Chemical Processes and Dispersion

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Walter D. Bach Jr., Army Research Office

Papers:

10:30 AM

6.1

Fluxes and (co-)variances of reacting scalars in the convective boundary layer

Jean-François Vinuesa, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and J. Vilà-Guerau de Arellano

Poster PDF (149.6 kB)

10:45 AM

6.2

Initial application of a coupled LES-photochemical model to examine near-source ozone production from industrial emissions

Jerold A. Herwehe, NOAA/ARL/ATDD, Oak Ridge, TN; and R. T. McNider, A. P. Blazar, and R. K. Decker

http://

Poster PDF (570.1 kB)

11:00 AM

6.3

The effect of north foehn on boundary layer ozone concentrations in the Po Basin

Markus Furger, Paul Scherrer Institut, Villigen PSI, Switzerland; and A. S. H. Prévôt and R. O. Weber

Poster PDF (191.2 kB)

11:15 AM

6.4

First Measurements of H₂O₂ and Organic Peroxides Surface Fluxes by the Relaxed Eddy Accumulation Technique

Jessica M. Valverde-Canossa, Max-Planck-Institute for Chemistry, Mainz, Germany; and G. Moortgat and G. Schuster

Poster PDF (116.9 kB)

11:30 AM

6.5

Building affected dispersion: Development and initial performance of a new lagrangian particle model

Matthew C. Hort, Met Office, Bracknell, Berks., United Kingdom; and B. Devenish and D. Thomson

Poster PDF (192.8 kB)

11:45 AM

6.6

Dispersion of a passive tracer in a Buoyancy- and Shear-Driven Boundary Layer

Alessandro Dosio, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and J. Vilà-Guerau de Arellano, A. A. M. Holtslag, and P. J. H. Builtjes

Poster PDF (154.1 kB)

12:00 PM

6.7

In-plume concentration fluctuations and selfsimilarity.

Hans E Jørgensen, Risø National Laboratory, Roskilde, Denmark; and T. Mikkelsen, M. Nielsen, S. Ott, and D. Wilson

12:15 PM

6.8

Application of a Lagrangian model for pollen dispersion

Raymond W. Arritt, Iowa State University, Ames, IA; and J. M. Riese, M. E. Westgate, E. S. Takle, and M. J. Falk

Poster PDF (518.0 kB)

Poster Session 3

Fundamental Studies

Sponsor: 15th Conference on Boundary Layer and Turbulence

Papers:

P3.1

Observations of the horizontal structure of the Boundary Layer with the Turbulent Eddy Profiler

Paco Lopez Dekker, University of Massachusetts, Amherst, MA; and S. J. Frasier

http://abyss.ecs.umass.edu/tep/

Poster PDF (381.2 kB)

P3.2

SENSITIVITY OF WIND AND TEMPERATURE RETRIEVALS FROM 4DVAR TO PRESCRIBED EDDY VISCOSITY PROFILES

Rob K. Newsom, CIRA/Colorado State Univ., Fort Collins, CO; and R. M. Banta

Poster PDF (442.5 kB)

P3.3

TDMM analysis of a turbulent density current

George Treviño, CHIRES, Inc, San Antonio, TX; and E. L. Andreas

P3.4

Modelling an eddy diffusivity for convective decaying turbulence in the residual layer

Antonio Goulart, Universidade Regional Integrada, Santo Angelo, RS, Brazil; and G. Degrazia, D. Anfossi, and O. C. Acevedo

P3.5

The Energy Budget of Decaying Turbulence as Modeled by Direct Numerical Simulations of Turbulence

James C Barnard, PNNL, Richland, WA; and W. J. Shaw

P3.6

Using CFD-program for understanding of the ABL

Mikael Magnusson, SMHI, Norrköping, Sweden

P3.7

Velocity, temperature and scalar length scales in the CBL: observations and theory

Han van Dop, Utrecht University, Utrecht, Netherlands; and A. van Herwijnen, D. van As, and M. F. Hibberd

Poster PDF (96.2 kB)

P3.8

Turbulence in a shear-driven nocturnal surface layer during the CASES'99 experiment

Philippe Drobinski, Univ. Pierre et Marie Curie, Paris, France; and R. K. Newsom, R. M. Banta, P. Carlotti, R. C. Foster, P. Naveau, and J. L. Redelsperger

Poster PDF (386.3 kB)

P3.9

Measuring the viscous dissipation of turbulent kinetic energy with a hotwire and a sonic anemometer

Jan Slager, Utrecht University, Utrecht, Netherlands; and P. G. Duynkerke and A. van Dijk

Poster PDF (240.3 kB)

P3.10

Dynamic evaluation of drag coefficients for flow over scale-similar complex boundaries

Stuart Chester, Johns Hopkins University, Baltimore, MD; and C. Meneveau and M. Parlange

Poster PDF (122.2 kB)

P3.11

Estimation of the integral time scale with time series models

Stijn de Waele, Delft University of Technology, Delft, Netherlands; and A. van Dijk, P. Broersen, and P. G. Duynkerke

http://www.tn.tudelft.nl/mmr

Poster PDF (113.8 kB)

P3.12

Estimation of the statistical error in Large Eddy Simulation results

Arnold F. Moene, Meteorlogy and Air Quality Group, Wageningen University, Wageningen, Netherlands; and B. I. Michels

P3.13

A large-eddy simulation model performing on massively parallel computers

Siegfried Raasch, University of Hannover, Hannover, Germany; and M. Schroeter

http://www.muk.uni-hannover.de/~raasch/PALM_group

Poster PDF (74.1 kB)

P3.14

Evaluation of the Lagrangian Footprint Model LPDM-B Using Wind-Tunnel Data Sets

Natascha Kljun, ETH, Zuerich, Switzerland; and P. Kastner-Klein, M. W. Rotach, and E. Fedorovich

Poster PDF (107.4 kB)

P3.15

Generation of large-scale semi-organized structures in turbulent convection

Tov Elperin, Ben-Gurion University of the Negev, Beer-Sheva, Israel; and N. Kleeorin, I. Rogachevskii, and S. Zilitinkevich

http://www.bgu.ac.il/~gary

Poster PDF (92.6 kB)

P3.16

LES analysis on wind profile over complex roughened ground surface in urban area

Tetsuro Tamura, Tokyo Institute of Technology, Yokohama, Japan; and O. Ohno, S. Cao, Y. Okuda, and H. Okada

Poster PDF (91.8 kB)

P3.17

Examination of neutrally stratified atmospheric boundary layers with the help of large eddy simulation

Igor N. Esau, Uppsala University, Uppsala, Sweden

Poster PDF (266.5 kB)

Poster Session 4

Stable BLs; Chemistry and Dispersion in the ABL

Sponsor: 15th Conference on Boundary Layer and Turbulence

Papers:

P4.1

On parameterization of turbulence diffusion in stratified atmosphere

Feng Liu, BTU Cobus, Cottbus, Germany and Ocean University of Qingdao, Qingdao, Shandong, China; and F. Huang

Poster PDF (217.9 kB)

P4.2

Paper moved to Session 10, new paper number 10.5A

P4.3

Local mixing with external control in the Met Office Unified Model stable boundary layer

Alastair G. Williams, Met Office, Bracknell, Berks., United Kingdom

Poster PDF (43.6 kB)

P4.4

One-column simulations of the Stable Boundary Layer observed during SABLES 98. Importance of the surface fluxes and the dynamic forcings.

Laura Conangla, Universitat Politecnica de Catalunya, Barcelona, Spain; and J. Cuxart and E. Terradellas

Poster PDF (180.2 kB)

P4.5

Turbulence Structure and Similarity Theory over Complex Terrain in Stable Conditions

Roberto Magnago, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and R. da Silva, O. C. Acevedo, and O. L. L. de Moraes

Poster PDF (101.9 kB)

P4.6

Observations of flow over complex terrain within the stable nocturnal boundary layer

Justin T. Walters, University of Alabama, Huntsville, AL; and K. R. Knupp

Poster PDF (631.2 kB)

P4.7

The influence of Nocturnal Boundary Layers regimes on the Surface Energy Budget

Maria Rosa Soler, University of Barcelona, Barcelona, Spain; and E. Ferreres and L. Mahrt

Poster PDF (57.2 kB)

P4.8

Spatial Variability of Nocturnal Surface Fluxes

P4.9

Formation, evolution and decay of a shear flow instability in the stable nocturnal boundary layer

Rob K. Newsom, CIRA/Colorado State Univ., Fort Collins, CO; and R. M. Banta and Y. Pichugina

http://www2.etl.noaa.gov/projects/cases/

Poster PDF (692.6 kB)

P4.10

Sound propagation observations during the CASES-99 experiment

D. Keith Wilson, U.S. Army Research Laboratory, Adelphi, MD; and J. M. Noble and M. A. Coleman

Poster PDF (975.7 kB)

P4.11

Large-Eddy simulations of Stable Boundary Layer: exploration of ranges of applicability

Maria A. Jiménez, Instituto Nacional de Meteorologia, Madrid, Spain; and J. Cuxart

Poster PDF (96.9 kB)

P4.12

Mesoscale modeling of the wintertime boundary layer structure over the Arctic pack ice

P. Ola G. Persson, CIRES/NOAA/ETL, Boulder, CO; and J. W. Bao and S. Michaelson

Poster PDF (138.2 kB)

P4.13

Observations and Numerical Modelling of an ordinary katabatic wind regime in Coats Land, Antarctica

Ian A. Renfrew, British Antarctic Survey, Cambridge, United Kingdom; and P. S. Anderson

http://www.nerc-bas.ac.uk/icd/ian.renfrew/

Poster PDF (877.0 kB)

P4.14

Turbulent diffusion of scalars in stratocumulus topped boundary layers

Ian Faloona, NCAR, Boulder, CO; and D. Lenschow and B. Stevens

P4.15

A coupled model of shelter effects on pollen dispersion

Raymond W. Arritt, Iowa State University, Ames, IA; and J. M. Riese, E. S. Takle, and M. J. Falk

P4.16

A study of the dispersion of an elevated plume on complex terrain under summer conditions

Gorka Pérez-Landa, Mediterranean Centre for Environmental Studies Foundation, Valencia, Spain; and J. L. Palau, E. Mantilla, and M. M. Millán

Poster PDF (1.9 MB)

P4.17

A versatile entrainment function for dense-gas dispersion

Morten Nielsen, Risø National Laboratory, Roskilde, Denmark; and N. O. Jensen

Poster PDF (138.1 kB)

P4.18

Concentration Correlation Transfer of Urban Air Pollution

P4.19

The new model for aerosols transportation in boundary layer with obstacles

Arakel Petrosyan, Space Research Institute of the Russian Academy of Sciences, Moscow, Russia; and K. Karelsky

P4.20

Paper moved to session 12, new paper number 12.5A

P4.21

Real-time profiles of organic trace gases in the Arctic boundary layer obtained during the Arctic Ocean Expedition (AOE-2001)

Michael L. Jensen, CIRES/Univ. of Colorado, Boulder, CO; and A. Wisthaler, A. Hansel, P. O. G. Persson, and B. Templeman

Poster PDF (98.6 kB)

P4.22

Seasonal variation of boundary layer profiles of CO₂ concentrations and the rectifier effect as measured by light and ultralight aircraft

Michael L. Jensen, CIRES/Univ. of Colorado, Boulder, CO; and M. Hurwitz, K. Schulz, K. J. Davis, B. B. Balsley, and J. Birks

P4.23

The impact of forecast errors in boundary layer wind and fields on predictions of surface ozone concentrations

Sharon Zhong, PNNL, Richland, WA; and G. Jiang, E. Yang, and S. Tanrikulu

P4.24

Large-Eddy Simulation of Diffusion from/to Line and Point Sources/Sinks inside a Forest

Hong-Bing Su, Indiana University, Bloomington, IN

Coffee Break

7

Field Programs and Observational Technology

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Kenneth J. Davis, The Pennsylvania State University

Papers:

3:30 PM

7.1

The boundary-layer program during the Arctic Ocean 2001 experiment

Michael Tjernström, Stockholm University, Stockholm, Sweden; and M. L. Jensen, S. Oncley, P. O. G. Persson, and A. Targino

3:45 PM

7.2

The structure of the Arctic boundary-layer during the Artic Ocean 2001 expedition

Admir Targino, Stockholm University, Stockholm, Sweden; and M. Tjernström

4:00 PM

7.3

Stable boundary-layer regimes observed during the SHEBA experiment

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

Poster PDF (1.2 MB)

4:15 PM

7.4

An analysis of bulk parameterizations of stably-stratified atmospheric boundary layers using large-eddy simulations

Branko Kosovic, University of Colorado, Boulder, CO; and J. A. Curry

4:30 PM

7.5

A new system for airborne measurements of high-resolution 3D winds using a Tethered Lifting System (TLS)

Michael L. Jensen, CIRES/Univ. of Colorado, Boulder, CO; and M. Tjernström and A. Targino

4:45 PM

7.6

Airborne Measurements of turbulent Fluxes over heterogeneous Terrain with Helipod and Do 128—Error Analysis and Comparison with Ground-based Systems

Jens Bange, Aerospace Systems, Braunschweig, Germany; and F. Beyrich and D. A. M. Engelbart

Poster PDF (156.0 kB)

5:00 PM

7.7

Performance of S-band FMCW Radar for Boundary Layer Observation

Stephen J. Frasier, Univ. of Massachusetts, Amherst, MA; and T. Ince and F. J. Lopez-Dekker

Poster PDF (636.9 kB)

5:15 PM

7.8

Boundary layer measurements with a 3GHz FMCW atmospheric profiler

S. H. Heijnen, Delft Univ. of Technology, Delft, Netherlands; and H. Klein-Baltink, H. W. J. Russchenberg, H. Verlinde, and W. F. van der Zwan

Poster PDF (231.2 kB)

8

Fundamental Studies of the ABL

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Jordi Vila, Wageningen University

Papers:

3:30 PM

8.1

The shapes of the production regions of velocity spectra and cospectra in the neutral atmospheric surface layer

K. G. McNaughton, University of Edinburgh, Edinburgh, Scotland

Poster PDF (204.7 kB)

3:45 PM

8.2

Quasi-wavelet models for atmospheric turbulence

George H. Goedecke, New Mexico State University, Las Cruces, NM; and D. K. Wilson, V. E. Ostashev, and H. J. Auvermann

Poster PDF (1.1 MB)

4:00 PM

8.3

Scales of Turbulence Decay from Observations and Direct Numerical Simulation

William J. Shaw, PNNL, Richland, WA; and J. C. Barnard

Poster PDF (1.4 MB)

4:15 PM

8.4

A comparison of ECMWF re-analysis data with observations from Cabauw

Fred Bosveld, KNMI, De Bilt, Netherlands; and H. Klein Baltink and A. Beljaars

4:30 PM

8.5

Scale dependence and subgrid-scale modeling in LES

Fernando Porté-Agel, University of Minnesota, Minneapolis, MN; and J. R. Stoll, M. Carper, N. Bjelogrlic, and A. Fagerness

Poster PDF (147.4 kB)

4:45 PM

8.6

The effect of eigenvector alignments on subgrid-scale dissipation of turbulent kinetic energy

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

Poster PDF (254.1 kB)

5:00 PM

8.7

A modelling study of the effects of canopy gaps on wind and scalar flux observations

Otávio C. Acevedo, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and D. R. Fitzjarrald

5:15 PM

8.8

The role of understory flows in forest carbon budgets

Ralf M. Staebler, SUNY, Albany, NY; and D. R. Fitzjarrald, M. J. Czikowsky, and R. K. Sakai

Sessions end for the day

WED 17 JULY

9

Fundamental Studies of Turbulence, including advances in LES and DNS, Laboratory Studies, and Observations

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Keith Wilson, U.S. Army Research Lab.

Papers:

8:30 AM

9.1

Evidence from the Atmospheric Surface Layer that the von Kármán Constant isn't

Edgar L Andreas, U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH; and K. J. Claffey, C. W. Fairall, P. S. Guest, R. E. Jordan, and P. O. G. Persson

8:45 AM

9.2

On Reasons for the Observed Variation of the von Karman Constant in the Atmospheric Surface Layer

Christoph A. Vogel, NOAA/ARL/ATDD, Oak Ridge, TN; and P. Frenzen

Poster PDF (42.5 kB)

9:00 AM

9.3

Direct Numerical Simulations of Intermittent Turbulence in the Very Stable Ekman Layer

James C. Barnard, PNNL, Richland, WA; and J. J. Riley

Poster PDF (51.8 kB)

9:15 AM

9.4

First Attempts of an LES-model evaluation by comparison with experimental data gained from acoustic tomography

Sonja Weinbrecht, University of Hannover, Hannover, Germany; and S. Raasch

Poster PDF (227.0 kB)

9:30 AM

9.5

Modeling unresolved motions in LES of field-scale flows

Fotini Katopodes Chow, Stanford University, Stanford, CA; and R. L. Street

http://www.stanford.edu/~katopod/

Poster PDF (101.0 kB)

9:45 AM

9.6

Field Measurements of Spatially-Filtered Turbulence in the Atmospheric Surface Layer

Thomas W. Horst, NCAR, Boulder, CO; and J. Kleissl, D. H. Lenschow, C. Meneveau, C. H. Moeng, M. P. Parlange, P. P. Sullivan, and J. C. Weil

10:00 AM

9.7

Analysis of subfilter-scale fluxes in the atmospheric surface layer

Peter P. Sullivan, NCAR, Boulder, CO; and T. W. Horst, D. H. Lenschow, C. H. Moeng, and J. C. Weil

10:15 AM

9.8

Turbulent pressure statistics

Natasha L. Miles, Penn State University, University Park, PA; and J. C. Wyngaard and M. J. Otte

Poster PDF (228.6 kB)

10:30 AM

9.9

LES study on the energy imbalance problem with eddy covariance fluxes for uniformly heated convective boundary layers

Manabu Kanda, Tokyo Institute of Technology, Tokyo, Japan; and M. O. Letzel, T. Watanabe, A. Inagaki, and S. Raasch

Poster PDF (236.5 kB)

10:45 AM

9.10

A model for the large-scale ramp structures observed in the atmospheric surface layer

K. G. McNaughton, University of Edinburgh, Edinburgh, Scotland; and R. E. Blundell

Poster PDF (738.3 kB)

11:00 AM

9.11

Aircraft Measurements of Refractive and Clear Air Turbulence: Spectra, Budgets, and the Prediction Problem

Owen R. Coté, Air Force Research Laboratory, Hanscom AFB, MA; and R. J. Dobosy, J. Roadcap, T. L. Crawford, and J. M. Hacker

http://

Poster PDF (449.0 kB)

11:15 AM

9.12

Preliminary CASES-99 measurements of steep vertical gradients in temperature and turbulence structure using a Tethered Lifting System (TLS)

Ben B. Balsley, CIRES/Univ. of Colorado, Boulder, CO; and R. G. Frehlich, Y. Meillier, and M. L. Jensen

11:30 AM

9.13

The pressure-correlation term in the TKE budget estimated by the wavelet transform using CASES-99 data

Joan Cuxart, Universitat de les Illes Balears, Palma de Mallorca, Spain; and G. Morales, E. Terradellas, and C. Yagüe

Poster PDF (129.8 kB)

11:45 AM

9.14

Effects of stability and filter size on model coefficients and intermittency of sub-filter fluxes in the Atmospheric Boundary Layer

Jan Kleissl, Johns Hopkins University, Baltimore, MD; and C. Meneveau and M. B. Parlange

http://www.jhu.edu/~dogee/mbp

Poster PDF (137.1 kB)

12:00 PM

9.6a

Coffee Break

Afternoon Excursion - More details to follow as they become available

Sessions end for the day

THUR 18 JULY

10

Stable BLs - I

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Richard Cederwall, LLNL

Papers:

8:30 AM

10.1

Investigation of episodic enhancement of turbulence in the stable boundary layer using large-eddy simulation

Richard T. Cederwall, LLNL, Livermore, CA; and R. L. Street

8:45 AM

10.2

On the predictabilty of the stable boundary layer and the role of initial conditions

Richard T. McNider, University of Alabama, Huntsville, AL; and X. Shi, D. E. England, M. J. Friedman, and W. B. Norris

Poster PDF (114.1 kB)

9:00 AM

10.3

Intermittent turbulence and oscillations in the stable boundary layer: a system dynamics approach

B. J. H. Van de Wiel, Wageningen University, Wageningen, Netherlands; and A. F. Moene, O. K. Hartogensis, R. J. Ronda, H. A. R. De Bruin, and A. A. M. Holtslag

Poster PDF (115.5 kB)

9:15 AM

10.4

Shallow slope density currents during CASES-99: observations and modeling

Gregory S. Poulos, Colorado Research Associates, Boulder, CO; and J. K. Lundquist, W. Blumen, and S. Neuville

10.5

Investigations of stable boundary layers at SABLES and BORRIS95.

9:30 AM

10.6

Lidar Observations of Entrainment Zone Structure at the Top of the Stable Marine Atmospheric Boundary Layer

Ian M. Brooks, SIO/Univ. of California, La Jolla, CA

Poster PDF (100.8 kB)

9:45 AM

10.5a

Laboratory and numerical studies of very stable boundary layers (Formerly Paper number P4.2)

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

Poster PDF (421.4 kB)

11

Stable BLs - II

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Larry Mahrt, Oregon State University

Papers:

10:30 AM

11.1

Contrasting vertical structures of the stable boundary layer

Larry Mahrt, Oregon State University, Corvallis, OR; and D. Vickers

Poster PDF (137.5 kB)

10:45 AM

11.2

Heat balance in nocturnal boundary layers

Jielun Sun, NCAR, Boulder, CO; and S. P. Burns, A. C. Delany, S. P. Oncley, T. W. Horst, and D. H. Lenschow

Poster PDF (185.9 kB)

11:00 AM

11.3

Analysis techniques for boundary-layer atmospheric gravity waves

Carmen J. Nappo, CJN Research Meteorology, Knoxville, TN; and R. K. Newsom and R. M. Banta

11:15 AM

11.4

Frontal generation of waves in the stable boundary layer: CASES-99 observations

Julie K. Lundquist, PAOS, University of Colorado, Boulder, CO

Poster PDF (864.6 kB)

11:30 AM

11.5

Nocturnal LLJ evolution and its relationship to turbulence and fluxes

Robert M. Banta, NOAA/ETL, Boulder, CO; and R. K. Newsom, Y. L. Pichugina, and J. K. Lundquist

Poster PDF (63.9 kB)

11:45 AM

11.6

Some properties of intermittent turbulence

J. Christopher Doran, PNNL, Richland, WA

12:00 PM

11.7

The Blobs and other advective horrors of northern Wisconsin

Kenneth J. Davis, Penn State University, University Park, PA; and P. S. Bakwin, B. D. Cook, M. D. Hurwitz, D. M. Ricciuto, W. Wang, and C. Yi

12:15 PM

11.8

Toward large-eddy simulations of strongly-stratified atmospheric boundary layers

Branko Kosovic, University of Colorado, Boulder, CO; and G. Poulos

12

Coupled Surface-BL studies

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Henk A.R. De Bruin, Wageningen University

Papers:

10:30 AM

12.1

Spatial heterogeneity of the soil moisture content and its impact on the surface flux densities and the atmospheric boundary layer

Reinder J. Ronda, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and B. J. J. M. van den Hurk and A. A. M. Holtslag

Poster PDF (271.3 kB)

10:45 AM

12.2

Impact of soil moisture on boundary-layer cloud development

Michael Ek, NOAA/NWS/NCEP/EMC, Suitland, MD; and A. A. M. Holtslag

Poster PDF (148.8 kB)

11:00 AM

12.3

Modeling the Local Climatology of Mixing Layer Heights over two Midlatitude Hardwood Forests

Hong-Bing Su, Indiana University, Bloomington, IN; and C. S. B. Grimmond

11:15 AM

12.4

Comparison of observed and modeled surface fluxes of heat for the Volta river basin

Dirk Burose, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and A. F. Moene and A. A. M. Holtslag

http://www.glowa-volta.de

Poster PDF (177.3 kB)

12.5

Mass transport in snow saltation

11:30 AM

12.6

Integrating surface and boundary layer observations of CO2 exchange in heterogeneous landscapes: experiences from the RECAB campaign in the Netherlands

Ronald W. A. Hutjes, Alterra Green World Research, Wageningen, Netherlands; and B. Gioli, M. Schumacher, H. ter Maat, H. Dolman, F. Bosveld, A. Vermeulen, and J. Vila

Poster PDF (1.5 MB)

11:45 AM

12.7

Application of surface layer similarity theory to carbon dioxide, moisture and temperature

J Vila-Guerau de Arellano, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and O. K. Hartogensis, A. T. Vermeulen, F. C. Bosveld, W. Kohsiek, and A. A. M. Holtslag

Poster PDF (76.6 kB)

12:00 PM

12.8

Applying Lagrangian dispersion analysis to the exchange of water and sensible heat within a cereale crop canopy: A sensitivity study and comparison with leaf level measurements

Eric Simon, Max Planck Institute for Chemistry, Mainz, Germany; and C. Ammann, J. Busch, F. X. Meixner, and J. Kesselmeier

Poster PDF (225.1 kB)

12:15 PM

12.5a

Evaluation of the micrometeorology in a single column chemistry and meteorological model being constrained with the ECMWF analyzed meteorology (Paper formerly number P4.20)

Laurens Ganzeveld, Max-Planck Institute for Chemistry, Mainz, Germany; and J. Valverde-Canossa and G. Moortgat

Poster PDF (92.2 kB)

Poster Session 5

ABL Parameterizations; Marine BLs

Sponsor: 15th Conference on Boundary Layer and Turbulence

Papers:

P5.1

Observation of atmospheric boundary layer and turbulence activity over the ocean surface using synthetic aperture radar

Pablo Clemente-Colón, NOAA/NESDIS, Camp Springs, MD

Poster PDF (790.2 kB)

P5.2

Simulation of the atmospheric planetary boundary layer over complex terrain using MM5 meteorological model- Effect of PBL parameterizations

P5.3

Single column model evaluations of lower-order planetary boundary layer parameterizations in the Arctic.

Jeffrey D. Mirocha, University of Colorado, Boulder, CO; and J. A. Curry

P5.4

Turbulence parameterizations and scale dependence of turbulent statistics

Michelle K. Whisenhant, NPS, Monterey, CA; and Q. Wang, S. Wang, and J. D. Doyle

P5.5

Paper moved to Session 13, new paper number 13.3A

P5.6

The effect of sea state on the momentum exchange over the sea during neutral conditions

Xiaoli Guo Larsen, Uppsala University, Uppsala, Sweden; and U. Högström and A. S. Smedman

P5.7

Transition from unstable to stable PBL in the coastal region observed by SAR

Ralph C. Foster, APL/ University of Washington, Seattle, WA; and D. C. Vandemark, H. L. Stern, L. Mahrt, and P. D. Mourad

P5.8

Intercomparison of three sea surface roughness schemes using buoy data

Qing Wang, NPS, Monterey, CA; and Z. Gao and S. Wang

Poster PDF (555.4 kB)

P5.9

Modelling the atmospheric boundary layer in a climate model of intermediate complexity

Reinder J. Ronda, Meteorology and Air Quality Group, Wageningen University, Wageningen, Netherlands; and R. J. Haarsma and A. A. M. Holtslag

Poster PDF (335.7 kB)

P5.10

Improvement of the K-profile model for the planetary boundary layer based on large eddy simulation data

Woo-Geun Cheon, Yonsei University, Seoul, Korea; and Y. Noh, S. Y. Hong, and S. Raasch

Poster PDF (58.6 kB)

P5.11

Paper moved to session 14, new paper number 14.4A

P5.12

An evaluation of boundary layer and land surface parameterizations using data from the VTMX field campaign in the Salt Lake City Valley

Shiyuan Zhong, PNNL, Richland, WA; and J. D. Fast

P5.13

Clear-air turbulence parameterisation for long-range applications of a Lagrangian particle model

Petra Seibert, University of Agricultural Sciences, Vienna, Austria; and A. Frank

http://www.boku.ac.at/imp/envmet/Staccato/

Poster PDF (1.3 MB)

P5.14

Dissipation parametrization in kinetic energy equation

Valery N. Khokhlov, Odessa State Ecological University, Odessa, Ukraine

P5.15

Does the height of the boundary layer influence the turbulence structure near the surface over the Baltic Sea?

Cecilia Johansson, Uppsala University, Uppsala, Sweden; and A. S. Smedman

P5.16

Paper moved to Session 14, new paper number 14.5A

Poster Session 6

BLs over Heterogeneous Surfaces; Coupled Surface - BL Studies

Sponsor: 15th Conference on Boundary Layer and Turbulence

Papers:

P6.1

Influence of a small-scale topography on the dynamics of atmospheric boundary layer flows using grid-nesting approach

Thibauld Pénelon, CNRS, Nantes, France; and I. Calmet and P. G. Mestayer

Poster PDF (167.8 kB)

P6.2

Surface boundary layer exchange of nitric oxide, nitrogen dioxide, and ozone over a Brazilian pasture

Grant A. Kirkman, Max Planck Institute for Chemistry, Mainz, Germany; and C. Ammann and F. X. Meixner

Poster PDF (514.1 kB)

P6.3

Surface wind heterogeneity for CASES-99

Sam S. Chang, Army Research Laboratory, Adelphi, MD; and D. M. Garvey, G. Huynh, and C. C. Williamson

Poster PDF (242.2 kB)

P6.4

Taking a closer look at the turbulence in a higher-order closure mesoscale model

Stefan Söderberg, Stockholm University, Stockholm, Sweden; and M. Tjernström and I. M. Brooks

Poster PDF (252.3 kB)

P6.5

Using the inverse method to obtain area averaged turbulent fluxes from airborne measurements at one low altitude

Peter Zittel, Aerospace Systems, Braunschweig, Germany; and W. Deierling and J. Bange

Poster PDF (88.2 kB)

P6.6

The Turbulent characteristics in the surface layer over movable dune and cornfield at Naiman in Inner mongolia

Liu Huizhi, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China

P6.7

Turbulent form drag on anisotropic three-dimensional orography

Andrew R. Brown, Met Office, Bracknell, Berks., United Kingdom; and N. Wood and M. Athanassiadou

Poster PDF (114.9 kB)

P6.8

Turbulent transfer efficiency of momentum, heat, vapor, and CO₂ measured in the urban surface layer over a densely built-up canopy

Ryo Moriwaki, Tokyo Institute of Technology, Tokyo, Japan; and M. Kanda and T. Watanabe

Poster PDF (252.4 kB)

P6.9

Surfaces Temperature and Turbulent Properties of Heat Transfer Within the Urban Roughness Sub-layer

Shlomi Pistinner, IIBR, Nes-Ziona, Israel; and E. Fattal and E. Gavze

Poster PDF (249.0 kB)

P6.10

Turbulence observations at the edge of a cliff

Otávio C. Acevedo, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; and O. L. L. Moraes and R. Da Silva

Poster PDF (292.7 kB)

P6.11

Spectral Transfer of Temperature Correlation for Inhomogeneous Turbulence

P6.12

Sea Breeze Characteristics based on tower measurements at Kalpakkam,India

P6.13

A numerical investigation of impact of g-hexachlorocyclohexane on the Great Lakes and St. Lawrence ecosystem

Sreerama M. Daggupaty, EC, Downsview, ON, Canada; and J. Ma

P6.14

Characterizing turbulent trace gas exchange above a dense tropical rain forest using wavelet and surface renewal analysis

Udo Rummel, Max Planck Institute for Chemistry, Mainz, Germany; and C. Ammann and F. X. Meixner

Poster PDF (417.8 kB)

P6.15

Coastal small-scale variability of the surface turbulent momentum flux

Mark Žagar, Stockholm University, Stockholm, Sweden; and G. Svensson and M. Tjernström

Poster PDF (138.2 kB)

P6.16

Daytime boundary layer heights over the Alps. An observational and numerical study

Stephan F. J. De Wekker, University of British Columbia, Vancouver, BC, Canada; and D. G. Steyn and S. Nyeki

Poster PDF (1.4 MB)

P6.17

Dispersive vs. Local Turbulence Statistics Within the Urban Roughness Sublayer.

P6.18

Interaction between wind and temperature fields under the heterogeneous heat flux in the planetary boundary layer

Hyoung-Jin Kim, Yonsei University, Seoul, Korea; and Y. Noh and S. Raasch

Poster PDF (156.9 kB)

P6.19

Internal boundary layer and evaporation from lakes

Sergiy A. Savelyev, York Univ., Toronto, ON, Canada; and P. A. Taylor

P6.20

On modelling the 1-D atmospheric boundary layer

Wensong Weng, York University, Toronto, ON, Canada; and P. A. Taylor

Coffee Break

13

Atmospheric Boundary Layer Parameterizations from Mesoscale to Macroscale

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Albert A.M. Holtslag, Wageningen University

Papers:

3:30 PM

13.1

Baroclinic Ekman layer

Sergej S. Zilitinkevich, Uppsala University, Uppsala, Sweden; and I. N. Esau

Poster PDF (224.4 kB)

3:45 PM

13.2

A simple and general subgrid model suitable both for surface layer and free-stream turbulence

J.-L. Redelsperger, CNRM, Toulouse, France; and P. Carlotti and F. Mahé

Poster PDF (158.5 kB)

13.3

A new pressure parameterization which makes use of the geometry of the flow

4:00 PM

13.4

An integral mixing length scale formulation for a TKE-l Turbulence Closure in atmospheric models

Geert Lenderink, KNMI, de Bilt, Netherlands

Poster PDF (550.3 kB)

4:15 PM

13.5

Implementation of a new parameterization approach for cloud-topped boundary layers in MM5 and CCM

Christopher S Bretherton, University of Washington, Seattle, WA; and J. R. McCaa and H. Grenier

4:30 PM

13.6

Evaluation of Marine Boundary Layer Parameterizations in COAMPS using the JES Experiment data set

Konstantinos Rados, NPS, Monterey, CA; and Q. Wang, J. Kalogiros, S. Wang, D. Khelif, and C. Friehe

4:45 PM

13.7

Evaluation of mesoscale model forecasts of boundary layer properties over the Pacific Northwest

James R. McCaa, APL, University of Washington, Seattle, WA; and R. C. Foster, S. A. Ferguson, and C. F. Mass

http://airs.apl.washington.edu/projects/firemet/index.html

5:00 PM

13.8

Observed and simulated turbulence kinetic energy and dissipation profiles in an urban valley during VTMX 2000

Jerome D. Fast, PNNL, Richland, WA; and W. J. Shaw

5:15 PM

13.3a

Some Improvements to Louis Surface Flux parameterization (Formerly paper number P5.5)

Shouping Wang, NRL, Monterey, CA; and Q. Wang and J. D. Doyle

Poster PDF (116.1 kB)

Sessions end for the day

Conference Banquet

FRI 19 JULY

14

The Marine BL

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Wade R McGillis, WHOI

Papers:

8:30 AM

14.1

Scalar Flux profile relationships for water vapor over the open ocean

James B. Edson, WHOI, Woods Hole, MA; and C. Zappa and W. R. McGillis

http://www.whoi.edu/science/AOPE/airsea/

Poster PDF (1.6 MB)

8:45 AM

14.2

Velocity spectra in the marine atmospheric boundary layer

Ann-Sofi Smedman, Uppsala University, Uppsala, Sweden; and A. Sjöblom

9:00 AM

14.3

Eddy Correlation Measurements of Wave-Induced Stress Using Instruments Mounted on a Wave Follower

Cor M. J. Jacobs, KNMI, De Bilt, Netherlands; and W. A. Oost, C. van Oort, and E. Worrell

Poster PDF (595.4 kB)

14.4

Impacts of high-resolution sea surface temperature data on marine boundary layer structure simulated by the Navy's COAMPS

14.5

Numerical simulations of clouds generated by mid-winter Arctic leads and their effect on large-scale surface fluxes

9:16 AM

14.6

Sea-to-air exchange of dimethylsulfide

Henk J. Zemmelink, University of Groningen, Haren, Netherlands; and H. W. J. de Baar, J. W. H. Dacey, E. J. Hinsta, and W. R. McGillis

Poster PDF (62.2 kB)

9:31 AM

14.4a

An analytic model of the influence of water chemistry on the air-sea exchange coefficient of CO₂ (Formerly paper number P5.11)

Hans E. Jørgensen, Risø National Laboratory, Roskilde, Denmark; and S. E. Larsen, A. Borges, and M. Frankignoulle

9:45 AM

14.5a

Height Variation of Turbulent Parameters in the Marine Atmospheric Boundary Layer due to Wave Influence (Formerly paper number P5.16)

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

15

Boundary Layers over Heterogeneous Surfaces

Sponsor: 15th Conference on Boundary Layer and Turbulence

Organizer: Walter D. Bach Jr., Army Research Office

Papers:

8:30 AM

15.1

Fluxes over a heterogeneous land surface: Results and perspectives of the LITFASS program

Frank Beyrich, German Meteorological Service, Lindenberg, Germany; and S. H. Richter, U. Weisensee, H. -. J. Herzog, H. A. R. de Bruin, and W. M. L. Meijninger

8:45 AM

15.2

Flow and drag mechanisms resulting from the interaction of gravity waves with a turbulent boundary layer

Maria Athanassiadou, Met Office, Bracknell, Berks., United Kingdom; and A. R. Brown

Poster PDF (204.1 kB)

9:00 AM

15.3

Dependence of regional mixing-height differences on boundary-layer wind speed

Robert M. Banta, NOAA/ETL, Boulder, CO; and A. B. White and W. M. Angevine

Poster PDF (79.9 kB)

9:15 AM

15.4

Landscape heterogeneity and regional climatic variability in the east central Amazon region

David R. Fitzjarrald, University at Albany, SUNY, Albany, NY; and O. L. L. Moraes, R. K. Sakai, R. M. Staebler, O. C. Acevedo, M. Czikowsky, and R. da Silva

Poster PDF (116.3 kB)

9:30 AM

15.5

Turbulent and radiative flux divergences in cold pools that form within a high-elevation basin

C. David Whiteman, PNNL, Richland, WA; and C. B. Clements and J. D. Horel

9:45 AM

15.6

Local scaling of turbulence in the stable internal boundary layer around a coastal headland

Stefan Söderberg, Stockholm University, Stockholm, Sweden; and I. M. Brooks and M. Tjernström

Poster PDF (326.0 kB)

10:00 AM

15.7

LES of the Atmospheric Boundary Layer over Heterogeneous Surfaces using a Dynamic Lagrangian SGS Model

Elie Bou-Zeid, Johns Hopkins University, Baltimore, MD; and M. Parlange and C. Meneveau

http://www.jhu.edu/~dogee/mbp/index.html

Poster PDF (140.9 kB)

10:15 AM

15.8

Large-eddy simulations of thermally induced oscillations in the convective boundary layer

Marcus Oliver Letzel, Univ. of Hannover, Hannover, Germany; and S. Raasch

http://www.muk.uni-hannover.de/~raasch/PALM_group

Poster PDF (216.3 kB)

10:30 AM

15.9

The influence of large-scale soil moisture heterogeneity on wetting and drying planetary boundary layers

Edward G. Patton, NCAR, Boulder, CO; and P. P. Sullivan and C. H. Moeng

Poster PDF (141.1 kB)

10:45 AM

15.10

Using fine scale vegetation, soil and satellite mapping to investigate the impact of heterogeneous land surfaces in CSIRO climate models

Peter J. Lawrence, University of Queensland, Brisbane, Queensland, Australia

http://www.ecology.uq.edu.au/plawrence.htm

Poster PDF (253.8 kB)

11:00 AM

15.11

Statistical Properties and Characteristics of Boundaries in the ABL

Haldun Karan, University of Alabama, Huntsville, AL; and K. R. Knupp

11:15 AM

15.12

Turbulent Properties of Momentum Transfer Within the Urban Roughness Sublayer

Ehud Gavze, IIBR, Nes-Ziona, Israel; and E. Fattal and S. Pistinner

http://

Poster PDF (303.6 kB)

11:30 AM

15.13

Effects of land-use change on local energy, water and carbon balances in an Amazonian pasture

Ricardo K. Sakai, SUNY, Albany, NY; and D. R. Fitzjarrald, O. L. L. Moraes, O. C. Acevedo, M. Czikowsky, R. Silva, R. Staebler, K. E. Moore, and D. Spiess

Poster PDF (140.7 kB)

11:45 AM

15.6a

Coffee Break

Conference Ends

: 15th Conference on Boundary Layer and Turbulence

Sunday, 14 July 2002

6:00 AM-6:00 AM: Sunday, 14 July 2002

5:00 PM-7:00 PM: Sunday, 14 July 2002

Monday, 15 July 2002

6:00 AM-6:00 AM: Monday, 15 July 2002

7:30 AM-5:30 PM: Monday, 15 July 2002

9:00 AM-9:30 AM: Monday, 15 July 2002

10:30 AM-12:30 PM: Monday, 15 July 2002

10:30 AM-12:45 PM: Monday, 15 July 2002

2:00 PM-2:00 PM: Monday, 15 July 2002

3:00 PM-3:00 PM: Monday, 15 July 2002

3:30 PM-5:30 PM: Monday, 15 July 2002

5:30 PM-5:30 PM: Monday, 15 July 2002

Tuesday, 16 July 2002

6:00 AM-6:00 AM: Tuesday, 16 July 2002

8:30 AM-1:59 PM: Tuesday, 16 July 2002

10:30 AM-12:30 PM: Tuesday, 16 July 2002

2:00 PM-2:00 PM: Tuesday, 16 July 2002

3:00 PM-3:00 PM: Tuesday, 16 July 2002

3:30 PM-5:30 PM: Tuesday, 16 July 2002

5:30 PM-5:30 PM: Tuesday, 16 July 2002

Wednesday, 17 July 2002

6:00 AM-6:00 AM: Wednesday, 17 July 2002

8:30 AM-12:30 PM: Wednesday, 17 July 2002

12:30 PM-12:30 PM: Wednesday, 17 July 2002

Thursday, 18 July 2002

6:00 AM-6:00 AM: Thursday, 18 July 2002

8:30 AM-9:59 AM: Thursday, 18 July 2002

10:30 AM-12:30 PM: Thursday, 18 July 2002

2:00 PM-2:00 PM: Thursday, 18 July 2002

3:00 PM-3:00 PM: Thursday, 18 July 2002

3:30 PM-5:30 PM: Thursday, 18 July 2002

5:30 PM-5:30 PM: Thursday, 18 July 2002

7:30 PM-9:30 PM: Thursday, 18 July 2002

Friday, 19 July 2002

6:00 AM-6:00 AM: Friday, 19 July 2002

8:30 AM-9:58 AM: Friday, 19 July 2002

8:30 AM-12:15 PM: Friday, 19 July 2002

12:15 PM-12:15 PM: Friday, 19 July 2002

Sunday, 14 July 2002

6:00 AM-6:00 AM: Sunday, 14 July 2002

5:00 PM-7:00 PM: Sunday, 14 July 2002

Monday, 15 July 2002

6:00 AM-6:00 AM: Monday, 15 July 2002

7:30 AM-5:30 PM: Monday, 15 July 2002

9:00 AM-9:30 AM: Monday, 15 July 2002

10:30 AM-12:30 PM: Monday, 15 July 2002

10:30 AM-12:45 PM: Monday, 15 July 2002

2:00 PM-2:00 PM: Monday, 15 July 2002

3:00 PM-3:00 PM: Monday, 15 July 2002

3:30 PM-5:30 PM: Monday, 15 July 2002

5:30 PM-5:30 PM: Monday, 15 July 2002

Tuesday, 16 July 2002

6:00 AM-6:00 AM: Tuesday, 16 July 2002

8:30 AM-1:59 PM: Tuesday, 16 July 2002

10:30 AM-12:30 PM: Tuesday, 16 July 2002

2:00 PM-2:00 PM: Tuesday, 16 July 2002

3:00 PM-3:00 PM: Tuesday, 16 July 2002

3:30 PM-5:30 PM: Tuesday, 16 July 2002

5:30 PM-5:30 PM: Tuesday, 16 July 2002

Wednesday, 17 July 2002

6:00 AM-6:00 AM: Wednesday, 17 July 2002

8:30 AM-12:30 PM: Wednesday, 17 July 2002

12:30 PM-12:30 PM: Wednesday, 17 July 2002

Thursday, 18 July 2002

6:00 AM-6:00 AM: Thursday, 18 July 2002

8:30 AM-9:59 AM: Thursday, 18 July 2002

10:30 AM-12:30 PM: Thursday, 18 July 2002

2:00 PM-2:00 PM: Thursday, 18 July 2002

3:00 PM-3:00 PM: Thursday, 18 July 2002

3:30 PM-5:30 PM: Thursday, 18 July 2002

5:30 PM-5:30 PM: Thursday, 18 July 2002

7:30 PM-9:30 PM: Thursday, 18 July 2002

Friday, 19 July 2002

6:00 AM-6:00 AM: Friday, 19 July 2002

8:30 AM-9:58 AM: Friday, 19 July 2002

8:30 AM-12:15 PM: Friday, 19 July 2002

12:15 PM-12:15 PM: Friday, 19 July 2002