Geophysical Turbulence Program Workshop

Turbulence and Scalar Transport in Roughness Sublayers

26-28 September 2006; Boulder, Colorado, USA

Agenda

Tuesday, 26 September 2006

7:45	University of Colorado (CU) bus will depart promptly to transport participants from the Best Western Golden Buff to NCAR FL2
Session Chair/Rapporteur:	Jielun Sun / Don Lenschow
8:00	Registration/Coffee
8:30-8:40	Welcome
8:40-9:40	Keynote -- John Finnigan, CSIRO Roughness Sub Layers
9:40-10:10	Question and Discussion
10:10-10:30	Coffee Break
Session 1: Vegetated Canopy
Session Chair/Rapporteur:	Jielun Sun / Don Lenschow
10:30-11:30	Invited -- Gabriel Katul, Duke University The Structure of Canopy Turbulence and their Implications to Scalar Dispersion
11:30-12:00	Question and Discussion
12:00-13:30	Lunch
Session 1: Vegetated Canopy (cont.)
Session Chair/Rapporteur:	Roger Shaw / Ned Patton
13:30-14:30	Invited -- Heidi Nepf, Massachusetts Institute of Technology Vegetated Canopies in Aquatic Systems
14:30-15:00	Question and Discussion
15:00-15:15	Coffee Break
Short Contributed Talks on Vegetated Canopies (cont.)
Session Chair/Rapporteur:	Roger Shaw/Ned Patton
15:15-15:35	Yves Brunet, Ephyse, INRA Roughness sublayer development in canopy edge flows: Streamwise variation in tubulence properties and impact on tree motion
15:35-15:55	Kyaw Tha Paw U, University of California, Davis Turbulence in plant canopies: Averaging, advection, coherent structures and stability features
15:55-16:15	Tsutomu Watanabe, Forestry and Forest Products Research Institute An LES study on the structure of coherent eddies in the roughness sublayer over a homogeneous plant canopy
16:15-16:35	Dubravka Pokrajac, University of Aberdeen The interaction between free surface and sub-surface flows in open channels with permeable beds
16:35-17:25	Open Discussion
17:35	CU bus back to the Golden Buff

Wednesday, 27 September 2006

8:00	CU bus will depart promptly from the Golden Buff to NCAR FL2
8:15	Coffee
Session 2: Complex Terrain
Session Chair/Rapporteur:	Peter Taylor / Stephen Belcher
8:30-9:30	Invited -- Joseph Harindra Fernando, Arizona State University Flow, Turbulence and Transport in Complex Terrain Airsheds: From Meso to Street Canyon Scales
9:30-10:00	Question and Discussion
10:00-10:15	Coffee Break
Short Contributed Talks on Complex Terrain and Related Issues
10:15-10:35	Cheryl Klipp, U.S. Army Research Laboratory Scaled TKE measurements in an urban roughness sublayer
10:35-10:55	Sten Frandsen, Riso National Laboratory Analytical modeling of wind speed deficit in large offshore wind farms
10:55-11:15	Josef Tanny, The Volcani Center Airflow, turbulence and evapotranspiration in a banana screenhouse
11:15-11:35	Gerhard Kramm, University of Alaska, Fairbanks Segregation effects and their impact on chemical transformation rates and vertical eddy fluxes of atmospheric trace constituents
11:35-13:30	Lunch
Session 3:	Urban Canopies
Session Chair/Rapporteur:	Janet Barlow / Jeff Weil (Tim Oke)
13:30-14:30	Invited -- Stephen Belcher, University of Reading Urban roughness sublayers
14:30-15:00	Question and Discussion
15:00-15:15	Coffee Break
Short Contributed Talks on Urban Canopies
Session Chair/Rapporteur:	Janet Barlow / Jeff Weil (Tim Oke)
15:15-15:35	Manabu Kanda, Tokyo Institute of Technology Turbulent organized structure within and above building arrays derived from LES and Outdoor Scale Model
15:35-15:55	Zhengtong Xie, University of Southampton Large-eddy simulation for combined oscillatory throughflow and steady current over roughness elements
15:55-16:15	Ebba Dellwik, Riso National Laboratory Spatial homogeneity in the forest roughness sublayer?
16:15-16:35	Janet Barlow, University of Reading Effect of urban morphology on scalar transport in the roughness sublayer
16:35-16:55	Omduth Coceal, University of Reading Turbulence structure in the roughness sublayer over large cubical obstacles
16:55-17:15	Open Discussion
17:30	CU bus will depart promptly from the FL2 to the Mesa Lab for the banquet
18:30	Banquet
20:45	CU bus back to the Golden Buff

Thursday, 28 September 2006

8:00	CU bus will depart promptly from the Golden Buff to NCAR FL2
8:15	Coffee
Session 4: Marine Roughness Sublayers
Session Chair/Rapporteur:	Peter Sullivan / Robert Street
8:30-9:30	Invited -- Ken Melville, Scripps Institution of Oceanography Wave-modulated air-sea fluxes and ocean surface turbulence
9:30-10:00	Question and Discussion
10:00-10:15	Coffee Break
Short Contributed Talks on Marine Roughness Sublayers
Session Chair/Rapporteur:	Peter Sullivan / Robert Street
10:15-10:35	Tetsu Hara, University of Rhode Island Air-sea momentum flux and normalized roughness length over breaking and nonbreaking surface waves
10:35-10:55	Ann-Sofi Smedman, Uppsala University Effect of sea state on the momentum exchange
10:55-11:15	Ulf Hogstrom, Uppsala University The surface roughness length for sensible heat and matter over the sea during high wind conditions
11:15-11:45	Open Discussion
11:45-13:15	Lunch
13:15-14:45	Panel (6 invited speakers)-facilitated by John Finnigan
14:45	Close
15:00	CU bus back to the Golden Buff