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

Author:

Fu Lee‐Lueng1ORCID,Pavelsky Tamlin2ORCID,Cretaux Jean‐Francois3,Morrow Rosemary3ORCID,Farrar J. Thomas4ORCID,Vaze Parag1,Sengenes Pierre5,Vinogradova‐Shiffer Nadya6,Sylvestre‐Baron Annick5,Picot Nicolas5ORCID,Dibarboure Gerald5ORCID

Affiliation:

1. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA

2. University of North Carolina Chapel Hill NC USA

3. Laboratoire d'Études en Géophysique et Océanographie Spatiales (LEGOS) CNES‐IRD‐CNRS‐UT3 Université de Toulouse Toulouse France

4. Department of Physical Oceanography Woods Hole Oceanographic Institution Woods Hole MA USA

5. Centre National d’Études Spatiales Toulouse France

6. NASA Headquarters Washington DC USA

Abstract

AbstractThe 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.

Funder

Earth Sciences Division

Publisher

American Geophysical Union (AGU)

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