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The ERS Wind scatterometer provides frequent measurements of the microwave backscatter of the Antarctic region. From these data a time series of coarse resolution radar images are generated using normalised values of the backscatter.
The 500 km wide swath of the right-looking ERS Wind scatterometer and the orbital geometry allows measurement of the microwave backscatter of all the Antarctic region between latitudes 55°S and 80°S each three days.
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Between 1989/90 and 1994/95, geodetic GPS surveying techniques were used to measure ice sheet surface velocities at approximately 30 km intervals around an oversnow traverse route in the interior drainage basin of the Lambert Glacier, East Antarctica (longitude 54°-78°E, latitude 67°-76°S).
The distribution of mean net accumulation rate over a large sector (90°E to 150°E) of the IAGP (International Glaciological Project) area is presented in map form. The basic data have been compiled from direct measurements of accumulation at stake networks…
The 500 km wide swath of the ERS Wind scatterometer and its orbit geometry allows the measurement of the microwave backscatter of all the Antarctic region between latitudes 55°S and 79°S every three days.