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Record-Setting Precipitation Leaves U.S. Soils Soggy
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Published May 24, 2019
The continental United States recently finished its wettest twelve months in 124 years of modern recordkeeping.
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Soggy 2018 for the Eastern U.S.
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Published December 19, 2018
See where shallow groundwater has responded to the unusually wet conditions this year.
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The Himalaya Plot
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Published November 6, 2018
Twin satellites detect tiny changes in Earth’s gravity field, which can tell us a lot about the mass of a mountain range and the movement of the ice on top of it.
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Where to Place a Rainwater Harvesting System
Published July 26, 2018
Water shortages in the Middle East lead to sanitation issues in schools, resulting in periodic school closures. NASA is working to change that.
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Twin Satellites Map 14 Years of Freshwater Changes
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Published May 22, 2018
Wet landscapes are getting wetter and dry areas are getting drier due to a variety of factors, including water management, climate change, and natural cycles.
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A Dry Winter Brings Drought to the US
Published March 1, 2018
By late February 2018, an estimated 55 percent of the continental U.S. was classified as abnormally dry.
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Groundwater Gains in India
Published September 23, 2017
The water stored naturally underground appears to be rebounding in the western and southern parts of India.
The West Dries Up
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Published September 18, 2015
In mid-September 2015, water stored near the surface and underground in the U.S. West was far-below-normal.
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Global Groundwater Basins in Distress
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Published July 24, 2015
About one third of Earth’s large groundwater basins are being rapidly depleted by human consumption even though we have little accurate data about how much water remains in them.
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Groundwater Deficit Out West
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Published July 24, 2014
Dry conditions at the surface in the continental United States are mirrored underground in many places.
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A Decade of Water
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Published November 1, 2013
Groundwater supplies are decreasing across much of the world.
Water Storage Maps Show Improvement
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Published June 18, 2013
At the surface, moisture is more abundant than in 2012. But time will tell if it seeps down to restore aquifers parched by drought.
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Freshwater Stores Shrank in Tigris-Euphrates Basin
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Published March 13, 2013
An arid region grew even drier between 2003 and 2009 due to human consumption of water for drinking and agriculture.
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Despite Rain, Drought Lingers in the United States
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Published January 19, 2013
Though a series of winter storms provided some relief, a pair of satellites operated by NASA shows that groundwater supplies remained unusually low in many parts of the country.
Signs of the U.S. Drought Are Underground
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Published September 20, 2012
The GRACE satellites can detect the movement and depletion of water supplies at and below Earth’s surface.
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Ground Water Storage from GRACE
Published September 14, 2012
Researchers map ground water by combining surface measurements with gravity measurements from the GRACE satellites.
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Texas Groundwater Severely Depleted
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Published December 1, 2011
A new map reveals the extreme depletion of groundwater in Texas and other parts of the southern United States due to drought.
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The Gravity of Water
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Published October 22, 2010
In much of the world, differences in seasonal precipitation—and in how that water gets stored on land—are big enough to affect Earth’s gravity field.
Water Flow in the Amazon
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Published September 10, 2004
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Earth’s Gravity Field
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Published July 30, 2003
The Gravity Recovery and Climate Experiment (GRACE) has released its first science product: the most accurate map yet of Earth’s gravity field.
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