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            <gco:CharacterString>Outgoing Longwave Radiation Daily Climate Data Record (OLR Daily CDR)</gco:CharacterString>
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        <gco:CharacterString>The product contains the 1-degree by 1-degree daily mean outgoing longwave radiation flux at the top of the atmosphere derived from HIRS radiance observations onboard NOAA TIROS-N series and MetOp satellites. The OLR retrieval uses multispectral regression models (Ellingson et al., 1989, Lee, 2014). The CDR processing includes HIRS radiance calibration, inter-satellite HIRS OLR calibration, normalization of geostationary-based  OLR retrieval to HIRS, and grid-based 7-day boxcar temporal integration assisted with Imager-based OLR derived from Gridsat CDR data (Lee, 2014).</gco:CharacterString>
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        <gco:CharacterString>Lee, H.-T., 2014: Climate Algorithm Theoretical Basis Document (C-ATBD): Outgoing Longwave Radiation (OLR) - Daily. NOAAâs Climate Data Record (CDR) Program, CDRP-ATBD-0526, 46 pp. http://www1.ncdc.noaa.gov/pub/data/sds/cdr/CDRs/Outgoing%20Longwave%20Ra</gco:CharacterString>
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