International Workshop on Satellite Altimetry for Geodesy, Geophysics, and Oceanography
Lecture 6: Bathymetric Estimation from Satellite Altimetry
Wuhan, China
10 September 2002 @ 15.00 - 18.00
David T. Sandwell
Scripps Institution of Oceanography
Bathymetric Estimation from Satellite Altimetry
Abstract
Mysteries of the deep ocean (5 min)
Bathymetry from space
(applications) (45 min)
Causes and characterization of seafloor roughness
Tidal dissipation and deep ocean mixing
Ocean circulation and mesoscale variability
Methods of bathymetric estimation (90 min)
Laplace's equation and satellite altimetry
Gravity anomaly due to seafloor topography (theory)
Recipes for bathymetric prediction
Limitations of past and current altimeters (20 min)
Spatial resolution of Geosat, ERS, and Topex
Issues related to track spacing and orbital inclination
Environmental corrections and tide models
Requirements for a new mission (5 min)
References