Balance velocities of the Greenland ice sheet

Details Balance velocities of the Greenland ice sheet Balance velocities of the Greenland ice sheet

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997georl..24.3045j&link_type=abstract

Geophysical Research Letters, Volume 24, Issue 23, p. 3045-3048

Physics

14

Hydrology: Glaciology, Hydrology: Snow And Ice, Meteorology And Atmospheric Dynamics: Remote Sensing

Scientific paper

We present a map of balance velocities for the Greenland ice sheet. The resolution of the underlying DEM, which was derived primarily from radar altimetery data, yields far greater detail than earlier balance velocity estimates for Greenland. The velocity contours reveal in striking detail the location of an ice stream in northeastern Greenland, which was only recently discovered using satellite imagery. Enhanced flow associated with all of the major outlets is clearly visible, although small errors in the source data result in less accurate estimates of the absolute flow speeds. Nevertheless, the balance map is useful for ice-sheet modelling, mass balance studies, and field planning.

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