Statistics – Methodology
Scientific paper
Aug 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995adspr..16...95i&link_type=abstract
Advances in Space Research, Volume 16, Issue 10, p. 95-98.
Statistics
Methodology
6
Scientific paper
NOAA has produced aerosol optical thickness tau^A_SAT retrievals from NOAA-11 over oceans operationally since 1990 /1/. The upward radiances L (W.m^-2.mum^-1.sr^-1) in AVHRR/Channel 1 (Chl; lambda=0.63 μm) are converted to tau^A_SAT using a look-up-table (LUT), pre-calculated for various combinations of illumination-observation geometries assuming all oceanic and aerosol optical parameters constant but the total aerosol amount /2/. An earlier paper /3/ described the results of tau^A_SAT validation using a set of sun-photometer (SP) measurements tau^A_SP from the R/V Akademik Vernadsky during its Cruise in the Atlantic ocean and Mediterranean Sea in Sept-Dec 1989 (AV-89) /4/. That analysis revealed errors in tau^A_SAT. This paper provides an independent check of that conclusion using the SP measurements taken during another Cruise of the R/V Akademik Vernadsky in Jul-Sept 1991 (AV-91), using the same validation methodology as described in /3/. The results of the two experiments are in agreement.
Dergileva I.
Ignatov Anatoly A.
Kabanov D.
Sakerin S.
Singh Rahul
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