A21I:
Atmospheric Boundary Layer Processes and Turbulence III

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Session ID#: 16094

Session Description:
Turbulent mixing in Earth’s atmospheric boundary layer (ABL) is responsible for the surface exchange of trace gases, momentum, and energy with the atmosphere. Improved understanding of ABL dynamics, which requires characterization of ABL turbulence in response to a range of ambient conditions (forcing), is necessary for predicting and understanding processes in hydrology, ecology, meteorology, and climatology. This session will present contemporary themes in ABL research based on theoretical, experimental, and numerical viewpoints. Topics of interest include: dry and moist ABL dynamics, surface-atmosphere exchange processes over heterogeneous and complex terrain including urban environments and plant canopies, flow over mountainous terrain, the marine atmospheric boundary layer, dispersion and diffusion in the atmosphere, evapotranspiration, the role of turbulence in biogeochemical cycles, and feedbacks in the surface-boundary layer system.
Primary Convener:  David H Richter, University of Notre Dame, Department of Civil & Environmental Engineering & Earth Sciences, Notre Dame, United States
Conveners:  David H Richter, University of Notre Dame, Department of Civil & Environmental Engineering & Earth Sciences, Notre Dame, United States, Chad W Higgins, Oregon State University, Biological & Ecological Engineering, Corvallis, OR, United States and William Anderson, University of Texas at Dallas, Mechanical Engineering, Richardson, TX, United States
Chairs:  Chad W Higgins, Oregon State University, Biological & Ecological Engineering, Corvallis, OR, United States, David H Richter, University of Notre Dame, Department of Civil & Environmental Engineering & Earth Sciences, Notre Dame, United States and William Anderson, University of Texas at Dallas, Mechanical Engineering, Richardson, TX, United States
OSPA Liaison:  Chad W Higgins, Oregon State University, Biological & Ecological Engineering, Corvallis, OR, United States

Cross-Listed:
  • B - Biogeosciences
  • H - Hydrology
  • NG - Nonlinear Geophysics
  • OS - Ocean Sciences
Index Terms:

0426 Biosphere/atmosphere interactions [BIOGEOSCIENCES]
3307 Boundary layer processes [ATMOSPHERIC PROCESSES]
3322 Land/atmosphere interactions [ATMOSPHERIC PROCESSES]
3379 Turbulence [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Scalar Dispersion from Point Sources in a Realistic Urban Environment (163030)
Scott Salesky, University of British Columbia, Vancouver, BC, Canada, Marco Giovanni Giometto, Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland, Andreas Christen, University of British Columbia, Geography / Atmospheric Science Program, Vancouver, BC, Canada and Marc B Parlange, University of British Columbia, Faculty of Applied Science, Department of Civil Engineering, Vancouver, Canada
Nocturnal winds over steep terrain: Turbulence structure and modeling challenges (172663)
Holly J Oldroyd, University of California Davis, Civil and Environmental Engineering, Davis, United States, Eric Pardyjak, University of Utah, Mechanical Engineering, Salt Lake City, UT, United States, Chad W Higgins, Oregon State University, Biological & Ecological Engineering, Corvallis, OR, United States and Marc B Parlange, University of British Columbia, Faculty of Applied Science, Department of Civil Engineering, Vancouver, Canada
Large- and Very-Large-Scale Motions in Katabatic Flows Over Steep Slopes  (173384)
Marco Giovanni Giometto1,2, Jiannong Fang1, Scott Salesky2 and Marc B Parlange3, (1)Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland, (2)University of British Columbia, Faculty of Applied Science, Department of Civil Engineering, Vancouver, BC, Canada, (3)University of British Columbia, Faculty of Applied Science, Department of Civil Engineering, Vancouver, Canada
Simulating boundary-layer effects of a wind turbine array using LES and RANS in convective and stable conditions (189940)
Julie K Lundquist, University of Colorado Boulder, Atmospheric and Oceanic Sciences, Boulder, United States, Brian J Vanderwende, University Corporation for Atmospheric Research, Boulder, CO, United States, Branko Kosovic, Johns Hopkins University, Ralph O'Connor Sustainable Energy Institute, Baltimore, MD, United States and Jeffery D Mirocha, Lawrence Livermore National Laboratory, Livermore, United States
A Three-dimensional PBL Parameterization for High-resolution Mesoscale Simulation over Heterogeneous and Complex Terrain (190094)
Branko Kosovic1, Pedro Jiménez2, Sue Ellen Haupt2, Joseph Olson3, Jian-Wen Bao4, Evelyn D. Grell5 and Jaymes Kenyon6, (1)Johns Hopkins University, Ralph O'Connor Sustainable Energy Institute, Baltimore, MD, United States, (2)National Center for Atmospheric Research, Boulder, CO, United States, (3)University of Colorado at Boulder, Boulder, United States, (4)NOAA/PSL, Boulder, United States, (5)University of Colorado/CIRES and NOAA Physical Sciences Laboratory, Boulder, United States, (6)NOAA, Earth System Research Laboratory, Boulder, CO, United States
Simulations of Large Temperature Fluctuations on the Lee Side of a Mountain due to Interactions between an Orographic Wake and a Cold Air Pool (193817)
Alex Connolly, University of California Berkeley, Berkeley, CA, United States, Fotini K Chow, University of California Berkeley, Civil and Environmental Engineering, Berkeley, United States and Sebastian W Hoch, University of Utah, Salt Lake City, UT, United States
Evaluation of a wavelet-based optical flow algorithm through the use of large eddy simulations (193872)
Kyle Daniel Rocha-Brownell1, Pierre Derian1, David H Richter2, Peter P Sullivan3 and Shane David Mayor4, (1)California State University Chico, Chico, CA, United States, (2)University of Notre Dame, Department of Civil & Environmental Engineering & Earth Sciences, Notre Dame, United States, (3)NSF National Center for Atmospheric Research, Boulder, United States, (4)Organization Not Listed, Washington, DC, United States
Measurements of turbulent boundary layer flow and surface fluxes over roughness and temperature transitions (194347)
Corey D Markfort, University of Iowa, Civil and Environmental Engineering, Iowa City, IA, United States, Wei Zhang, Cleveland State University, Mechanical Engineering, Solon, OH, United States and Fernando Porte-Agel, Swiss Federal Institute of Technology Lausanne, WIRE, Lausanne, Switzerland

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