An online source for satellite data products relevant to lakes, reservoirs, river channels, wetlands and global mean sea level.
(Main Contact: Charon.M.Birkett@nasa.gov)
This web site is a repository for archival and near real time satellite-based data products relevant to ocean and continental water surface height. Satellite products are freely available and in the public domain. The project staff encourage feedback on their application and ask that end users quote the following sources within all publications and presentations,

For sea level

“Global mean sea level elevation products are courtesy of NASA via link https://climate.nasa.gov/vital-signs/sea-level/”

For lakes/reservoirs

“Lake/Reservoir surface elevation products are courtesy of NASA and the USDA/FAS and provided via the Water Measurements web portal https://blueice.gsfc.nasa.gov/gwm/lake/Index”

For rivers/wetlands

“River/Wetland surface elevation products are courtesy of NASA and provided via the Water Measurements web portal https://blueice.gsfc.nasa.gov/gwm/river/Index”