Mathematics – Logic
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30e..67v&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 5, pp. 67-1, CiteID 1263, DOI 10.1029/2002GL016664
Mathematics
Logic
22
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Global Change: Atmosphere (0315, 0325), History Of Geophysics: Atmospheric Sciences, Oceanography: Biological And Chemical: Aerosols (0305), Planetary Sciences: Atmospheres-Composition And Chemistry
Scientific paper
Aerosol spectral optical depths were measured over Arabian Sea as a part of the Arabian Sea Monsoon Experiment (ARMEX). These are the first measurements of aerosols over northern and central Arabian Sea during Indian summer monsoon season. Aerosol visible optical depths were in the range of 0.4 to 0.7 with Angstrom wavelength exponent of ~0.35 and single scattering albedo of ~0.97 indicating the dominance of large non-absorbing aerosols. Aerosol optical depth increases exponentially with sea-surface wind speed. Our estimates show that sea-salt contributes ~60% to the composite aerosol optical depth. The presence of aerosols over Arabian Sea during summer monsoon season decreases the short wave radiation arriving at the surface by as much as 21 W m-2 and increases top of the atmosphere reflected radiation by 18 W m-2.
Satheesh S. K.
Vinoj V.
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