TARFOX Abstracts
at AGU Special Sessions
Baltimore, MD, 5/29-30, 1997

"Note that abstracts submitted to AGU electronically may also be located and viewed at the AGU website http://www.agu.org/meetings/waissm97.html."

Session A41C
Thursday 5/29, 0830-1205

A41C-08 INVITED
"Chemical Apportionment of Aerosol Column Optical Depth off the Mid-Atlantic Coast of the United States"

Aerosol column optical depths derived from airborne sunphotometer and in situ measurements of aerosol properties in fourteen vertical profiles off the Mid-Atlantic Coast of the United States in June show excellent agreement. Simultaneous measurements of the chemical compositions of the aerosol allow an assessment of the chemical apportionment of the aerosol column optical depths. The optical depths had essentially three chemical components which, in order of descending average contributions, were: condensed water, carbonaceous species, and sulfate. These results do not support the common assumption that sulfate dominates aerosol optical depths in polluted regions.


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