https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.7 2026-04-15T10:53:30.610Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/32259124-81f7-4845-b2fb-6435d7bb5804 SNOW MELT Date=2021-08-31 User Id=tstevens Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=The melting of snow on top of the sea ice. Yearly snow melt on sea ice can be derived from remote sensing satellites such as Nimbus-7 SMMR and SSM/I on the DMSP satellites. Snow melt onset is defined as the point in time when microwave brightness temperatures increase sharply due to the presence of liquid water in the snowpack. New Value=Pertaining to the rate and extent of melting snow pack(s). Date=2021-08-31 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=From the National Snow and Ice Data Center (NSIDC). "http://nsdic.org" New Value=Goudie, Andrew. 1997. The Encyclopedic Dictionary of Physical Geography. Blackwell Publishing, Malden, Massachusetts. Pertaining to the rate and extent of melting snow pack(s). 2021-08-31 09:42:52.0