SWOT: a revolutionary satellite for observing water on Earth

Highly accurate new data

Embedded on SpaceX’s Falcon 9 rocket, the SWOT satellite will be able to monitor the surface of the oceans and water bodies in Canada and elsewhere on Earth. His technology will help determine how much and how quickly lakes, rivers, reservoirs and oceans are changing over time. The long-term goal: to improve the use of water on our planet.

A new technology

SWOT will be launched at an altitude of 890 km. It is equipped with a revolutionary instrument: a “Wide Swath Interferometer” designed to measure water height. This tool has two radar antennas, which can produce a two-dimensional image. This makes the measurement more accurate. “We will have a resolution that is 10 times higher than that provided by current technologies for measuring the height of the ocean,” said Karen St. Germain, director of Earth observation at NASA.

improvement of our knowledge

The results and measurements provided by the SWOT satellite will improve several Canadian services, including water management, responsible resource development and even environmental monitoring. This 2.2 ton mastodon will be deployed for a total of three years and has a budget of US$1.1 billion.

Sources: CatNat and Government of Canada

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