Computer Science – Sound
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jgrd..11109s06s&link_type=abstract
Journal of Geophysical Research, Volume 111, Issue D9, CiteID D09S06
Computer Science
Sound
31
Atmospheric Processes: Radiative Processes, Atmospheric Processes: Remote Sensing, Planetary Sciences: Fluid Planets: Meteorology (3346)
Scientific paper
Comparisons between observed AIRS radiances and radiances computed from coincident in situ profile data are used to validate the accuracy of the AIRS radiative transfer algorithm (RTA) used in version 4 processing at Goddard Space Flight Center. In situ data sources include balloon-borne measurements with RS-90 sensors and frost point hygrometers and Raman lidar measurements of atmospheric water vapor. Estimates of the RTA accuracy vary with wave number region but approach 0.2 K in mid- to lower-tropospheric temperature and water vapor sounding channels. Temperature channel radiance biases using ECMWF forecast/analysis products are shown to be essentially identical to those observed with coincident sonde observations, with somewhat higher biases in water vapor channels. Some empirical adjustments to the RTA channel-averaged absorption coefficients were required to achieve these stated accuracies.
De-Souza Machado S.
Hannon S. E.
Larrabee Strow L.
Motteler H. E.
Tobin D. C.
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