Elevation Change of the Southern Greenland Ice Sheet from 1978-88, Version 1

Southern Greenland ice sheet elevation change estimates are derived from SEASAT and GEOSAT radar altimetry data from 1978 to 1988. Data are confined to 61-72 deg N, 30-50 deg W, above 1700 m elevation. The addition of GEOSAT Geodetic Mission (GM) data results in twice as many crossover points and 50...

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Bibliographic Details
Main Authors: NASA National Snow and Ice Data Center Distributed Active Archive Center, National Snow and Ice Data Center
Format: Dataset
Language:unknown
Published: National Snow and Ice Data Center (NSIDC)
Subjects:
Greenland
Ice Sheet
Online Access:https://search.dataone.org/view/sha256:144328811c79769160245dd7491e84c977d4636e1bfbf2ce30ff877cd6143516
Description
Summary:Southern Greenland ice sheet elevation change estimates are derived from SEASAT and GEOSAT radar altimetry data from 1978 to 1988. Data are confined to 61-72 deg N, 30-50 deg W, above 1700 m elevation. The addition of GEOSAT Geodetic Mission (GM) data results in twice as many crossover points and 50% greater coverage than previous studies. Coverage above 2000 m elevation is improved to 90%, and about 75% of the area between 1700 m and 2000 m is now covered. Data are in ASCII text format, available via FTP, and consist of elevation change rate (dH/dt, cm/year) and corresponding error estimates in 50 km grid cells.

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