A21L:
Fog: Atmosphere, Biosphere, Land, and Ocean Interactions I

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Session ID#: 16207

Session Description:
Fog and low stratus (FLS) clouds are climatologically significant in many regions, including the coastal margin of the eastern Pacific, and impact the hydrology, chemistry, and thermodynamic balance of ecosystems and urban environments.  FLS formation and evolution is driven by a complex interplay of topography, synoptic and mesoscale meteorological conditions, aerosol-cloud interactions and underlying land and/or water surface characteristics, such as temperature, currents, and sea spray composition.  Understanding FLS, the biotic response, and impacts thus requires a diverse array of measurements and models that link processes at multiple spatial and temporal scales. Seasonal FLS projections and assessment of vulnerability of marine environment FLS to climate change are critical for coastal adaptation planning. We seek presentations on physical, chemical, biological, and anthropogenic processes that drive and are influenced by coastal or non-coastal fog using any of the following: process models; ground-based, airborne, or satellite observations; manipulative experiments; or other analysis.
Primary Convener:  Alicia Torregrosa, Western Geographic Science Center, Menlo Park, CA, United States
Conveners:  Travis Allen O'Brien, Lawrence Berkeley National Laboratory, Berkeley, CA, United States, Warren Blier, National Weather Service San Francisco, San Francisco, CA, United States and Ritesh Gautam, Environmental Defense Fund, New York, United States
Chairs:  Alicia Torregrosa, Western Geographic Science Center, Menlo Park, CA, United States, Ritesh Gautam, Environmental Defense Fund, New York, United States, Travis Allen O'Brien, Lawrence Berkeley National Laboratory, Berkeley, CA, United States and Warren Blier, National Weather Service San Francisco, San Francisco, CA, United States
OSPA Liaison:  Alicia Torregrosa, Western Geographic Science Center, Menlo Park, CA, United States
Co-Organized with:
Biogeosciences, and Biogeosciences

Cross-Listed:
  • B - Biogeosciences
  • GC - Global Environmental Change
  • H - Hydrology
  • OS - Ocean Sciences

Proposed Co-Organized Session with:
  • B - Biogeosciences
Index Terms:

0394 Instruments and techniques [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0426 Biosphere/atmosphere interactions [BIOGEOSCIENCES]
3322 Land/atmosphere interactions [ATMOSPHERIC PROCESSES]
4504 Air/sea interactions [OCEANOGRAPHY: PHYSICAL]

Abstracts Submitted to this Session:

An Operational Forecast Perspective on Marine Low Cloudiness and Fog along the Central Coast of California (184825)
Warren Blier, NOAA/National Weather Service, San Francisco Bay Area/Monterey Weather Forecast Office, Monterey, CA, United States
Impacts of Advection Fog on the Surface Radiation Budget in coastal California (161017)
Andrew J Oliphant, San Francisco State University, San Francisco, CA, United States and Sara A Baguskas, University of California Santa Cruz, Environmental Studies, Santa Cruz, CA, United States
Impact of coastal fog on the energy and water balance of a California agricultural system (135575)
Sara A Baguskas, University of California Santa Cruz, Environmental Studies, Santa Cruz, CA, United States, Andrew J Oliphant, San Francisco State University, San Francisco, CA, United States and Michael E Loik, University of California Santa Cruz, Santa Cruz, CA, United States
INFLUENCE OF NOX EMISSIONS ON CENTRAL VALLEY FOG FREQUENCY AND PERSISTENCE (138857)
Ellyn Gray, University of California Berkeley, Berkeley, CA, United States, Dennis D Baldocchi, University of California Berkeley, Department of Environmental Science, Policy, and Management, Berkeley, CA, United States and Allen H Goldstein, University of California Berkeley, Department of Civil & Environmental Engineering, Berkeley, CA, United States
A UAV-Based Fog Collector Design for Fine-Scale Aerobiological Sampling (169310)
Diana Gentry1, Marcello Guarro2, Isabella Siham Demachkie2, Isabel Stumfall2 and Robert P. Dahlgren3, (1)NASA Ames Research Center, Biospheric Science Branch, Moffett Field, CA, United States, (2)University of California Santa Cruz, Santa Cruz, CA, United States, (3)CSUMB/NASA Ames Research Center, MS245-4, Moffett Field, CA, United States
Physical Mechanisms of Coastal Fog Retreat From Aircraft Observations (182575)
Summer Thresher1, James Layne1, Thijs Heus2, Patrick Y Chuang1, Armin Sorooshian3, Ewan Crosbie4, Haflidi Jonsson5, Hossein Dadashazar3 and Alexander Bruce MacDonald6, (1)University of California Santa Cruz, Santa Cruz, CA, United States, (2)Cleveland State University, Solon, OH, United States, (3)University of Arizona, Department of Chemical and Environmental Engineering, Tucson, AZ, United States, (4)NASA Langley Research Center, Hampton, VA, United States, (5)Georgia Tech, Atlanta, GA, United States, (6)University of Arizona, Tucson, AZ, United States
Fog frequency and properties from active-sensor satellite data (171310)
Jan Cermak, Karlsruhe Institute of Technology, Karlsruhe, Germany

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