# The Surface Water and Ocean Topography Mission: A Breakthrough in Radar Remote Sensing of the Ocean and Land Surface Water

“The Surface Water and Ocean Topography Mission: A Breakthrough in Radar Remote Sensing of the Ocean and Land Surface Water” (2024), by Lee‐Lueng Fu et al. Earth and Planetary Sciences research paper. Original abstract below, unchanged. A free PDF is available.

- Authors: Lee‐Lueng Fu, Tamlin M. Pavelsky, Jean‐François Crétaux, Rosemary Anne Morrow, John Thomas Farrar, Parag V. Vaze, Pierre Sengenes, Nadya Vinogradova‐Shiffer, Annick Sylvestre‐Baron, Nicolas Picot et al.
- Published: February 21, 2024
- Field: Earth and Planetary Sciences
- DOI: https://doi.org/10.1029/2023gl107652
- Free PDF: https://hal.science/hal-04631624/document

## Abstract

The elevations of water surfaces hold important information on the earth's oceans and land surface waters. Ocean sea surface height is related to the internal change of the ocean's density and mass associated with ocean circulation and its response to climate change. The flow rates of rivers and volume changes of lakes are crucial to freshwater supplies and the hazards of floods and drought resulting from extreme weather and climate events. The Surface Water and Ocean Topography (SWOT) Mission is a new satellite using advanced radar technology to make headway in observing the variability of the elevation of water surfaces globally, providing fundamentally new information previously not available to the study of earth's waters. Here, we provide the first results of SWOT over oceans, rivers, and lakes. We demonstrate the potential of the mission to address science questions in oceanography and hydrology.

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