A12C:
Atmospheric Boundary Layer Processes and Turbulence II

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Session ID#: 16099

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:  David H Richter, University of Notre Dame, Department of Civil & Environmental Engineering & Earth Sciences, Notre Dame, 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:

A Baroclinic Nocturnal Low-Level Jet over the Great Plains (Invited) (189753)
Alan Shapiro1, Joshua Gebauer2 and Evgeni Fedorovich2, (1)University of Oklahoma Norman Campus, Norman, United States, (2)University of Oklahoma Norman Campus, Norman, OK, United States
Observations of Near-Surface Relative Humidity in a Wind Turbine Array Boundary Layer Using an Instrumented Unmanned Aerial System (117263)
Kevin A Adkins, Mississippi State University, Mississippi State, MS, United States and Adrian Sescu, Mississippi State University, Starkville, MS, United States
Observation of profiles of turbulence in stationary and well mixed convective boundary layers over the ARM Southern Great Plains and the Tropical Western Pacific sites (140762)
Mohammed Osman, University of Oklahoma Norman Campus, Cooperative Institute for Mesoscale Meteorological Studies, Norman, OK, United States; NOAA Norman, Norman, OK, United States, David D Turner, National Oceanic and Atmospheric Administration, Global Systems Laboratory, Boulder, United States, Thijs Heus, Cleveland State University, Solon, OH, United States and Rob K Newsom, Pacific Northwest National Laboratory, Richland, United States
Turbulent transport and chemistry of isoprene and monoterpenes within and above tropical forest canopies (150921)
Tobias Gerken1, Marcelo Chamecki2, Jose D Fuentes3, Paul C Stoy4, Amy Trowbridge5 and Dandan Wei3, (1)Montana State University, Department of Land Resources and Environmental Sciences, Bozeman, MT, United States, (2)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (3)Pennsylvania State University Main Campus, University Park, PA, United States, (4)University of Wisconsin-Madison, Madison, Biological Systems Engineering, Madison, United States, (5)Montana State University, Bozeman, MT, United States
Measurements of Spatial and Temporal Characteristics of Turbulence Outside and Within a Wind Farm from a Network of Surface Flux Stations and a Tall Tower Network (159995)
Daniel A Rajewski1, Eugene S Takle1, Jielun Sun2, Sergej Zilitinkevich3, Maria Nelson1, Samantha Purdy1, Russell K Doorenbos1 and Daryl Herzmann4, (1)Iowa State University, Ames, IA, United States, (2)National Center for Atmospheric Research, Boulder, United States, (3)Finnish Meteorological Institute, Helsinki, Finland, (4)Iowa State University, Agronomy, Ames, IA, United States
Analysis of Wind-induced Air Pressure Fluctuations and Topsoil Gas Concentrations within a Scots Pine Forest (170905)
Manuel Mohr1, Thomas Laemmel2, Martin Maier3 and Dirk Schindler1, (1)University of Freiburg, Chair of Environmental Meteorology, Freiberg, Germany, (2)University of Freiburg, Chair of Soil Ecology, Freiberg, Germany, (3)University of Freiburg, Chair of Soil Ecology, Freiburg, Germany
Warm and Humid Air Blowing over Cold Water - Grand Banks Fog (174000)
Peter Allan Taylor and Wensong Weng, York University, Earth & Space Science & Engineering, Toronto, ON, Canada
The contribution of coherent structures to momentum and heat fluxes in the atmospheric surface layer above a coastal urban wetland (192802)
Tomer Duman1 and Karina V Schafer1,2, (1)Rutgers University, Department of Biological Sciences, Newark, NJ, United States, (2)Rutgers University Newark, Department of Earth and Environmental Sciences, Newark, United States

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