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Record #97320:

Mapping of the topography of continental ice by inversion of satellite-altimeter data / F. Rémy, P. Mazzega, S. Houry, C. Brossier, J.F. Minster.

Title: Mapping of the topography of continental ice by inversion of satellite-altimeter data / F. Rémy, P. Mazzega, S. Houry, C. Brossier, J.F. Minster.
Author(s): Rémy, F.
Mazzega, P.
Houry, S.
Brossier, C.
Minster, J. F.
Date: 1989.
In: Journal of Glaciology. (1989.), Vol. 35(119) (1989)
Abstract: Satellite-altimeter data are affected by measurement errors, orbit errors, and slope errors. Three-step inversion technique is developed which accommodates a priori information on expected topography and handles and propagates data errors correctly: first, it estimates large-scale reference surface, then maps residuals related to undulations, and finally corrects slope error iteratively. Method is tested on overlapping small fragments of Antarctic ice sheet, using subset of Seasat data. Topographic map of Terre Adélie is produced. Over areas of small slopes, a posteriori error should be of order of 0.4 m. Using ERS-1 data, it is therefore expected that climatic variations in ice-sheet topography since introduction of Seasat will be observable.
Notes:

Journal of Glaciology. Vol. 35(119) :98-107 (1989).

Keywords: 551.324.24 -- Ice sheets and caps.
551.324.63 -- Land ice, advance and retreat.
53.087.23 -- Remote sensing.
551.32 -- Glaciology.
629.783 -- Satellites.
528.37 -- Surveying, levelling.
E3 -- Glaciology: instruments and methods.
(*7) -- Antarctic regions.
(*75) -- Adelie, Terre.
SPRI record no.: 97320

MARCXML

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245 00 ‡aMapping of the topography of continental ice by inversion of satellite-altimeter data /‡cF. Rémy, P. Mazzega, S. Houry, C. Brossier, J.F. Minster.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1989.
300 ## ‡ap. 98-107 :‡bdiags., maps.
500 ## ‡aJournal of Glaciology. Vol. 35(119) :98-107 (1989).
520 3# ‡aSatellite-altimeter data are affected by measurement errors, orbit errors, and slope errors. Three-step inversion technique is developed which accommodates a priori information on expected topography and handles and propagates data errors correctly: first, it estimates large-scale reference surface, then maps residuals related to undulations, and finally corrects slope error iteratively. Method is tested on overlapping small fragments of Antarctic ice sheet, using subset of Seasat data. Topographic map of Terre Adélie is produced. Over areas of small slopes, a posteriori error should be of order of 0.4 m. Using ERS-1 data, it is therefore expected that climatic variations in ice-sheet topography since introduction of Seasat will be observable.
650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc
650 07 ‡a551.324.63 -- Land ice, advance and retreat.‡2udc
650 07 ‡a53.087.23 -- Remote sensing.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a629.783 -- Satellites.‡2udc
650 07 ‡a528.37 -- Surveying, levelling.‡2udc
650 07 ‡aE3 -- Glaciology: instruments and methods.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*75) -- Adelie, Terre.‡2udc
700 1# ‡aRémy, F.
700 1# ‡aMazzega, P.
700 1# ‡aHoury, S.
700 1# ‡aBrossier, C.
700 1# ‡aMinster, J. F.
773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 35(119) (1989) ‡wSPRI-20534
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20240329