Satellite Gravity Data Sandwell Smith

David sandwell of the scripps institution of oceanography and walter smith of the national oceanic and atmospheric administration have spent much of the past 25 years negotiating with military agencies and satellite operators to allow them access to measurements of the earth s gravity field and sea surface heights.

Satellite gravity data sandwell smith.

Sandwell smith 1997. Summary new global marine gravity model from cryosat 2 and. Data from the smith and sandwell global topography smith and sandwell 1977 are a combination of shipboard depth soundings and estimated depths based on gravity measurements to produce a gridded representation of seafloor topography for all ice free ocean areas within 72 w latitude. 1957 1962 26 sept 1997.

Our 2004 solution the dnsc08 solution from the danish national space centre 2008 and sandwell smith v16 1 2004. The data were developed by the data were developed by professor david t. A global gravimetric view of the seafloor thus becomes accessible through satellite derived gravity data haxby et al. Global maps constructed using satellite derived gravity data in contrast are limited in the size of features they can resolve.

Sandwell smith 2009. 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. Published 3rd november 2017. New global marine gravity model from cryo sat 2 and jason 1 reveals buried tectonic structure.

Present a new marine gravity model that greatly. Sandwell global seafloor topography from satellite altimetry and ship depth soundings science v. This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 66 repeat cycles of geosat. Andersen knudsen 1998.

Get ascii file of gravity anomaly or topography ftp the raw gravity data 1 minute grid 540mbytes exploring the ocean basins with satellite altimeter data bathymetry from space. White paper in support of a high resolution.