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An Alternative Inter-Satellite Calibration of the UMD HIRS OLR Retrievals
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Author and Affiliation:
Robertson, Franklin R.(NASA Marshall Space Flight Center, Huntsville, AL, United States);
Lee, Hai-Tien(Maryland Univ., Earth System Science Interdisciplinary Center, College Park, MD, United States)
Abstract: The observational record for determining Outgoing Longwave Radiation (OLR) from satellites remains largely fragmented with gaps over the past three decades among the Earth Radiation Budget Experiment (ERBE), Earth Radiation Budget Satellite (ERBS) and Clouds and the Earth s Radiant Energy System (CERES) measurements. Multi-band OLR retrievals are thus an important supplement to the broadband measurements. The most semi-continuous set of OLR retrievals comes from the University of Maryland (UMD) algorithm that uses four HIRS (High Resolution Infrared Sounder) channels on the NOAA polar orbiting satellites to estimate OLR. but residual biases due principally to diurnal drift of the polar orbiter platforms remain an issue. Here we show how an alternative recalibration of the UMD retrievals taking advantage of the relative diurnal drift rates between "morning" and "evening" satellite platforms removes much of the remaining uncertainty due to changes in equator crossing times.
Publication Date: Dec 03, 2012
Document ID:
20130001875
(Acquired Jan 20, 2013)
Subject Category: SPACE RADIATION
Report/Patent Number: M12-2321
Document Type: Oral/Visual Presentation
Publication Information: (SEE 20130001857)
Meeting Information: American Geophysical Union (AGU) 45th Annual Fall Meeting; 3-7 Dec. 2012; San Francisco, CA; United States
Financial Sponsor: NASA Marshall Space Flight Center; Huntsville, AL, United States
Organization Source: NASA Marshall Space Flight Center; Huntsville, AL, United States
Description: 1p; In English; Original contains color illustrations
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution as joint owner in the copyright
NASA Terms: ARTIFICIAL SATELLITES; CALIBRATING; DIURNAL VARIATIONS; EARTH RADIATION BUDGET; EARTH RADIATION BUDGET EXPERIMENT; HIGH RESOLUTION; LONG WAVE RADIATION; NOAA SATELLITES; RADIANT FLUX DENSITY; REMOTE SENSING; SATELLITE SOUNDING
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