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GRACE-FO arriving at Vandenberg Air Force Base, California, from Germany.
GRACE-FO Arrives at Vandenberg
The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California (view 1).
GRACE-FO Satellites, Attached to Turntable Fixtures
Illustration of GRACE-FO in orbit (view 4)
Illustration of GRACE-FO (View 4)
This animation shows the annual water storage changes over the U.S. from GRACE from 2003 - 2013.
Annual Water Storage Changes over the U.S. from GRACE
GRACE-FO in a protective shipping container arriving at a new facility at Vandenberg Air Force Base, California.
GRACE-FO Arrives at Vandenberg
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows one of the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 3).
GRACE-FO Satellites in Testing
Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
This image shows the mean annual amplitude of total water storage on Earth in 2007 as measured by GRACE.
Total Water Storage from GRACE, 2007
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows one of the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 2).
GRACE-FO Satellites During Testing (View 2)
A GRACE-FO satellite and its turntable fixture at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California.
GRACE-FO Satellite on a Turntable Before Launch
The NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft launches from Space Launch Complex 4E at Vandenberg Air Force Base in California.
GRACE-FO Launches, Wide Shot
The GRACE Intermediate Field 48 (GIF48 from UT-CSR) field model is an improved mean gravity field that combines GRACE observations and terrestrial gravity information.
Static Gravity Field Anomalies
An artist's rendering of the twin GRACE-FO spacecraft.
GRACE-FO Rendering
GRACE Rendering
GRACE Rendering
The rocket carrying GRACE-FO lifts off into a blue sky, with the Pacific Ocean beneath it.
GRACE-FO Launch, Sky and Sea
Illustration of GRACE-FO above Alaska.
Illustration of GRACE-FO Above Alaska
The two GRACE-FO satellites are seen from GFZ’s Satellite Laser Ranging Station in Potsdam, Germany, on May 23, 2018 at 22:16 UTC and 22:17 UTC, respectively.
GRACE-FO Satellites From Potsdam
GRACE-FO, a collaboration between NASA and German Research Centre for Geosciences (GFZ), launched from Vandenberg Air Force Base on on May 22, 2018.
GRACE-FO Launches
Between 2002 and 2016, Antarctica shed approximately 125 gigatons of ice per year, causing global sea level to rise by 0.35 millimeters per year.
Antarctic Ice Loss 2002-2016
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 1).
GRACE-FO Satellites During Testing
The Laser Ranging Interferometer instrument.
Laser Ranging Interferometer
Measuring Earth's Gravity from Space poster
Measuring Earth's Gravity from Space Poster
Illustration of GRACE-FO in orbit (view 3).
GRACE-FO in Orbit (View 3)
Gravity anomaly map using GRACE data.
Gravity Anomaly Map Using GRACE Data
Flames from the SpaceX Falcon 9 rocket launching GRACE-FO into orbit.
Rocket Flames
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In a recent study, scientists found that a previously unmeasured source – water percolating through soil and fractured rock below California’s Sierra Nevada mountains – delivers an average of 4 million acre feet (5 cubic kilometers) of water to the state’s Central Valley each year. This underground source accounts for about 10% of all the water that enters this highly productive farmland each year from every source (including river inflows and precipitation).
NASA Measures Underground Water Flowing From Sierra to Central Valley
Researchers have untangled puzzling patterns of sinking and rising land to pin down the underground locations where water is being pumped for irrigation.
NASA Finds New Way to Monitor Underground Water Loss
Decades of drought across the U.S. Southwest has led some scientists to classify the intense, prolonged dryness as a “megadrought.” But drought in North America took a different shape in 2021, affecting areas that do not face long-term or intense drought as often. The northern Great Plains has been coping with drought for months.
Drought in the Northern Great Plains
Focusing on the GRACE and GRACE-FO missions, the award cites the “outstanding leadership of the international consortium in the planning and implementation of the successful Earth gravity missions.”
International Cooperation Award for NASA JPL's Michael Watkins, Michael Gross
Scientists have gained new insights into the processes that have driven ocean level variations for over a century, helping us prepare for the rising seas of the future.
NASA-led Study Reveals the Causes of Sea Level Rise Since 1900
Continuous monitoring of glaciers and ice caps has provided unprecedented insights to global ice loss that could have serious socioeconomic impacts on some regions.
Ice Melt Linked to Accelerated Regional Freshwater Depletion