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Cloud-mask snow/ice percent coverage (SSF-69) : This parameter is PSF-weighted percent of snow/ice within the CERES FOV (see CERES SSF Collection Guide, p. 51). |
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Surface type index (SSF-25) : This is a list of the 8 most prominent surface types within the CERES FOV, which are ordered on area coverage with the largest being first (see CERES SSF Collection Guide, p. 25). |
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Snow/Ice percent coverage clear-sky overhead-sun vis albedo (SSF-30) : • Indicates whether or not the CERES FOV centroid falls within the region near coastline where the microwave imager cannot distinguish between land/snow and water/ice. • Also provides the overhead sun clear-sky visible albedo from history maps generated by the CERES cloud group. FORMAT: XYYY , where X = 0 : CERES FOV centroid is in region (away from a coastline) where microwave imager retrievals are available.. X = 1 : CERES FOV centroid is in region (near a coastline) where microwave imager retrievals are unavailable. YYY = 0 - 100% or 999 (default) X is determined by reading 10-minute map that provides a flag to indicate where the microwave imager does not provide a retrieval due to proximity to the coastline. YYY is the overhead sun clear-sky visible albedo from history maps generated by the CERES cloud group. Default value is 999. To use this new parameter: icoast = int(XYYY/1000) iadmgeo = XYYY - icoast*1000 |
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