VIIRS/JPSS1 Sea Ice Extent 6-Min L2 Swath 375m NRT
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https://cmr.earthdata.nasa.gov/search/concepts/C2781389800-LANCEMODIS.html
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资源简介：
The Visible Infrared Imager Radiometer Suite (VIIRS) Sea Ice Extent 6-Min L2 Swath 375m is Near Real Time(NRT) (short name VJ129_NRT) product reports the location of sea ice cover derived from radiance data acquired by VIIRS. Following the approach used by MODIS, the algorithm assumes that sea ice is snow covered and can be detected using the Normalized Difference Snow Index (NDSI). The VIIRS instrument flies on board the NOAA-20 - formerly the Joint Polar Satellite System-1 (JPSS-1) satellite.
For more information, consult product [users guide](https://viirsland.gsfc.nasa.gov/PDF/VIIRS%20C2%20Sea%20Ice%20Cover%20Product%20User%20Guide%20v3.pdf), and product [Algorithm Theoretical Basis Document (ATBD)](https://viirsland.gsfc.nasa.gov/PDF/VIIRS_SeaIceCover_ATBD_V2.pdf)
提供机构：
LANCEMODIS
