Amazon Fishermen

SWOT's nominal coverage during its 3-year science orbit will include measurements between 78°N and 78°S collected over a period of 21 days. Maps show the coverage after 3 days (left) and the full 2...

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 will collect data across a 75-mile (120-kilometer) wide swath, with a gap in the center for an altimetry track. This animation shows the collection of data over the state of Florida, which is ...

NASA’s Blue Marble

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.

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

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

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

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.  

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

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

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.

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

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

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

Arctic Lakes

The first 90 days of the SWOT science mission will be flown in a "fast-sampling" phase that revisits specific areas once per day. This phase will begin after a 90-day commissioning phase for engine...

An artist’s concept of the SWOT spacecraft (January 2012).

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).

Soccer Nets on a levee in the Amazon

Floodplain Channel in the Amazon

Alaska lakes.

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...

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.

This SWOT "Bannerbug" exhibit was created for display during hardware tests conducted during an eleven-day period in October 2008.