21 February 2001 Relationship between the Clouds and the Earth's Radiant Energy System (CERES) measurements and surface temperatures of selected ocean regions
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Abstract
Clear sky longwave radiances and fluxes are compared with the sea surface temperatures for three oceanic regions: Atlantic, Indian, and Pacific. The Clouds and the Earth's Radiant Energy System (CERES) measurements were obtained by the three thermistor bolometers: total channel which measures the radiation arising from the earth-atmosphere system between 0.3 - > 100 micrometer; the window channel which measures the radiation from 8 - 12 micrometer; and the shortwave channel which measures the reflected energy from 0.3 - < 5.0 micrometer. These instruments have demonstrated measurement precisions of approximately 0.3% on the International Temperature Scale of 1990 (ITS-90) between ground and on-orbit sensor calibrations. In this work we have used eight months of clear sky earth-nadir-view radiance data starting from January 1998 through August 1998. We have found a very strong correlation of 0.97 between the CERES window channel's weekly averaged unfiltered spectral radiance values at satellite altitude (350 km) and the corresponding weekly averaged sea surface temperature (SST) data covering all the oceanic regions. Such correlation can be used in predicting the sea surface temperatures using the present CERES Terra's window channel radiances at satellite altitude very easily.
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Dhirendra K. Pandey, Dhirendra K. Pandey, Robert Benjamin Lee, Robert Benjamin Lee, Shannon Brown Brown, Shannon Brown Brown, Jack Paden, Jack Paden, Peter L. Spence, Peter L. Spence, Susan Thomas, Susan Thomas, Robert S. Wilson, Robert S. Wilson, Aiman Al-Hajjah, Aiman Al-Hajjah, } "Relationship between the Clouds and the Earth's Radiant Energy System (CERES) measurements and surface temperatures of selected ocean regions", Proc. SPIE 4150, Optical Remote Sensing of the Atmosphere and Clouds II, (21 February 2001); doi: 10.1117/12.416957; https://doi.org/10.1117/12.416957
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