Sandwell Satellite Gravity Data

This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 66 repeat cycles of geosat.

Sandwell satellite gravity data.

Data parameters include latitude longitude observed gravity and elevation bouguer gravity anomaly land and free air anomaly ocean. Our 2004 solution the dnsc08 solution from the danish national space centre 2008 and sandwell smith v16 1 2004. 1957 1962 26 sept 1997. Send me an e mail dsandwell ucsd edu.

The research is discussed in a related paper in science. Stacked global satellite gravity profiles. The gravity field of the indian ocean west of australia based on the new satellite derived gravity model. The maps below have been sectioned into 16 clickable regions.

Ftp plots for 36 hp plotter. Get ascii file of gravity anomaly or topography. The data were developed by professor david t. We also incorporated data from the following missions.

Marine gravity from satellite altimetr. Ftp the raw gravity data 1 minute grid 540mbytes exploring the ocean basins with satellite altimeter data. If you would like to contribute data to the next version of the global topography grid we would be pleased to use it. Therefore one can extract the locations of the ship sounding.

Any format is welcome even raw multibeam formats. Ftp digital gridded topography data at 1 minute. Sandwell global seafloor topography from satellite altimetry and ship depth soundings science v. Topography is v19 1 and gravity is v28 1.

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. Yale mm sandwell dt. 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. Note that odd values of topography e g 2001m are constrained by actual soundings while even values e g 2000m are predicted from gravity.

Ftp gmt scripts to create global. All marine bathymetry data are welcome. The view is towards the west. Get ascii xyz topography at 1 minute.

Sandwell at the university of california in san diego. Envisat esa ers 1 2 esa and geosat us navy.