Arctic

Alaska lakes.

Soccer Nets on a levee in the Amazon

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

A diagram illustrating the swaths of data that SWOT will collect. 

The U.K. Space Agency will provide a part of the radar payload for SWOT.

A photograph of the Varzea Forest area of Brazil (1 of 4).

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).

Amazon Fishermen

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...

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.

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

A view of SWOT from inside a U.S. Air Force C-17 aircraft, as it was being loaded en route to Thales Alenia Space near Cannes, France.

Emblem for the SWOT mission.

NASA’s Blue Marble

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

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

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

An artist’s concept of the SWOT spacecraft (February 2015).

This animation shows estimates of average sea ice freeboard — or the amount of ice above the waterline — taken over a 21-day period from Aug. 8, 2023, to Jan. 14, 2024, by the Surface Water and Oce...

Pictured are team members who helped load the hardware for the Surface Water and Ocean Topography (SWOT) satellite's research instruments onto a C-17 airplane pose for a picture. The payload left M...

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

Highly visible in their red shirts, SWOT project team members - including Project Manager Parag Vaze at left - interact with the public during the NASA Jet Propulsion Laboratory (JPL) "Open House" ...

Engineers integrate separate parts of the SWOT satellite into one in a Thales Alenia Space clean room facility in Cannes, France.

A photograph of the Amazon River Delta, captured by Landsat in 2006.

Part of the Surface Water and Ocean Topography (SWOT) satellite's science instrument payload sits in a clean room at NASA's Jet Propulsion Laboratory during assembly.