Terrestrial Water Storage Anomaly 2002 - 2015

  • Released Wednesday, January 6th, 2016
  • Updated Tuesday, November 14th, 2023 at 12:07AM
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A pair of experimental twin satellites called the Gravity Recovery And Climate Experiment, or "GRACE", were launched in March 2002. Since then they have been collecting gravity measurements which scientists use to derive Terrestrial Water Storage Anomalies (TWSA). TWSA can then be used as an indicator for drought and flood conditions across the globe. For more information on the GRACE mission please visit http://www.nasa.gov/mission_pages/Grace/

Colorbar showing Terrestrial Water Storage Anomalies (in centimeters). Browns indicate lower than average ground water saturation, whereas greens represent areas with more ground water than normal.

Colorbar showing Terrestrial Water Storage Anomalies (in centimeters). Browns indicate lower than average ground water saturation, whereas greens represent areas with more ground water than normal.



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NASA's Scientific Visualization Studio


Missions

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Datasets used in this visualization

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