Lake Calado, Amazon

Artist’s concept of seven altimeters orbiting Earth: Jason-CS/Sentinel-6B, SWOT, Sentinel-6A, Jason 3, TOPEX/Poseidon, Jason 1 and OSTM/Jason 2.

SWOT is being jointly developed by NASA and Centre National D’Études Spatiales (CNES).

Soccer Nets on a levee in the Amazon

Visiting Scout uses a color-coded, calibrated stick to determine "sea surface topography" within a wooden box while his sister records his results by placing stickers on a card.

The SWOT satellite observatory is being jointly built by NASA and Centre National D’Études Spatiales (CNES).

The Canadian Space Agency will contribute to the SWOT Mission by providing a high-power assembly component for SWOT’s Ka-band Radar Interferometer (KaRIn).

Disappearing lakes in Barrow, Alaska.

A Flooded Forest in the Amazon

Jet Propulsion Laboratory (JPL) Open House visitors are delighted to see how well their color-coded stickers match the "sea surface topography model of the Gulf of Mexico within a wooden box.

Floodplain Channel in the Amazon

NASA has selected Space Exploration Technologies (SpaceX) of Hawthorne, California, to provide launch services for SWOT.

Teams from NASA's Jet Propulsion Laboratory in Southern California and the March Air Reserve Base in Riverside County, California, loaded the scientific payload for the SWOT Earth-observing satelli...

Emblem for the SWOT mission.

This collaborative mission poster, designed by CNES (French Space Agency), shows the Surface Water and Ocean Topography (SWOT) satellite soaring over an abstract of a water molecule.

AirSWOT is using parts of Saskatchewan as a testing ground for mapping water levels.

SWOT will provide NASA’s first global survey of Earth’s surface water.

Jet Propulsion Laboratory (JPL) Open House visitors are delighted to see how well their color-coded stickers match the "sea surface topography" model of the Gulf Stream within a wooden box.

Crowds flock to the Earth Sciences exhibits during the NASA Jet Propulsion Laboratory (JPL) "Open House" event, giving volunteers (red shirts) a chance to share information about their various miss...

SWOT Applications Lead, Margaret Srinivasan, helps young visitors match data user types - from coastal safety officers to farmers - with pictures representing SWOT applications.

The logo for the Surface Water Ocean Topography (SWOT) Mission.

Amazon Fishermen

Siberian Lakes

Artist's impression of the future SWOT satellite making sea surface height observations, even through clouds.

SWOT leaving NASA’s Jet Propulsion Laboratory in Southern California, en route to March Air Reserve Base in Riverside County, California. Once the scientific payload arrived, it was sent to a Thale...

A photograph of the Varzea Forest area of Brazil (2 of 4).