The research is discussed in a related paper in science.
Sandwell satellite gravity data.
The gravity field of the indian ocean west of australia based on the new satellite derived gravity model.
White paper in support of a high resolution ocean altimeter mission.
Each dataset contains documentation including source contributor.
Sandwell global seafloor topography from satellite altimetry and ship depth soundings science v.
Satellite data reveal formerly unknown tectonics structures.
The data were developed by professor david t.
The maps below have been sectioned into 16 clickable regions.
Marine gravity from satellite altimetr.
If you would like to contribute data to the next version of the global topography grid we would be pleased to use it.
Any format is welcome even raw multibeam formats.
Ftp the raw gravity data 1 minute grid 540mbytes exploring the ocean basins with satellite altimeter data.
Ftp digital gridded topography data at 1 minute.
Note that odd values of topography e g 2001m are constrained by actual soundings while even values e g 2000m are predicted from gravity.
Get ascii xyz topography at 1 minute.
This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 66 repeat cycles of geosat.
Ftp gmt scripts to create global.
The view is towards the west.
We also incorporated data from the following missions.
Send me an e mail dsandwell ucsd edu.
Yale mm sandwell dt.
Therefore one can extract the locations of the ship sounding.
In 2008 we generated a version of satellite gravity we termed the trident solution by stacking three independently derived solutions of free air gravity from the geosat and ers 1 satellites.
Stacked global satellite gravity profiles.
Sandwell at the university of california in san diego.
Topography is v19 1 and gravity is v28 1.
All marine bathymetry data are welcome.
Get ascii file of gravity anomaly or topography.
The satellite altimetry data from cryosat 2 is being provided by esa while data from the jason 1 mission was provided by the national aeronautics and space administration nasa and the centre national d études spatiales cnes.
1957 1962 26 sept 1997.
Envisat esa ers 1 2 esa and geosat us navy.