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Description |
Gravity map of the Southern Ocean around the Antarctic continent
This gravity field was computed from sea-surface height measurements collected by the US Navy GEOSAT altimeter between March, 1985, and January, 1990. The high density GEOSAT Geodetic Mission data that lie south of 30 deg. S were declassified by the Navy in May of 1992 and contribute most of the fine-scale gravity information.
The Antarctic continent itself is shaded in blue depending on the thickness of the ice sheet (blue shades in steps of 1000 m); light blue is shelf ice; gray lines are the major ice devides; pink spots are parts of the continent which are not covered by ice; gray areas have no data.
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Source |
Antarctic continent: own work; gravity field: NOAA/NGDC (Marks, McAdoo & Smith)
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Date |
2006-08-08
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Author |
Hannes Grobe, AWI
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Permission
(Reusing this image) |
Own work and public domain of NOAA
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Other versions |
Gravity data are available from the National Oceanographic Data Center, NOAA (NODC Env. Bull. 93-1); the digital gravity data shown in this image are available from the National Geophysical Data Center on the Global Relief CD-ROM (NGDC Data Announcement 93-MGG-01). See the GIF image at NGDC. |
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| Data/czas | Wymiary | Użytkownik | Opis |
aktualny | 23:53, 12 sie 2006 | 1 155×806 (1,18 MB) | Hgrobe | |
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