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Gravity Anomaly Map Using GRACE Data
Gravity anomaly map using GRACE data.
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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
The force of gravity not only keeps us from floating away, it also lets NASA study Earth’s water and ice from space. Using a pair of twin satellites named GRACE, we can monitor our planet’s water.
Scale in the Sky
The SpaceX Falcon 9 rocket is seen with the NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft onboard at Space Launch Complex 4E at Vandenberg Air Force Base in California.
GRACE-FO in Falcon 9 on Launchpad
An animation showing “sea level fingerprints,” or patterns of rising and falling sea levels across the globe in response to changes in Earth’s gravitational and rotational fields.
Cumulative Sea Level Change 2002-2015
Illustration of GRACE-FO in orbit (view 3).
GRACE-FO in Orbit (View 3)
The NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft launches onboard a SpaceX Falcon 9, May 22, 2018, from Vandenberg Air Force Base in California.
GRACE-FO Launches, Ocean View
GRACE Rendering
GRACE Rendering
Many of today’s most pressing climate science challenges hinge on knowing how and where water is moving on Earth. GRACE-FO will continue the successful partnership between NASA and the German Resea...
GRACE-FO Launch Press Kit
Illustration of GRACE-FO separating from Falcon 9 rocket after launch.
GRACE-FO Separating from Rocket After Launch
Changes in Australia's mass observed by GRACE in 2010 and 2011. Areas in greens and blues had the greatest increases in mass, caused by unusually high precipitation connected with a large La Niña e...
Changes in Australia's Mass Observed by GRACE in 2010 and 2011
A simplified example of how the distance between the GRACE-FO satellites changes as they pass from the Caribbean Sea across Colombia and Peru.
How GRACE-FO Measures Gravity
Illustration of GRACE-FO above Alaska.
Illustration of GRACE-FO Above Alaska
Variations in water storage in the Tigris and Euphrates river basins from 2003 to 2009, measured by GRACE. Reds represent drier conditions, while blues represent wetter conditions. The majority of ...
Tigris and Euphrates Water Storage, 2003 to 2009
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
GRACE-FO arriving at Vandenberg Air Force Base, California, from Germany.
GRACE-FO Arrives at Vandenberg
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 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
GRACE-Follow On (GRACE-FO) is a satellite mission that launched in May 2018. GRACE-FO will continue the work of the GRACE satellite mission tracking Earth's water movement around the globe. These d...
Tracking Water from Space
The Laser Ranging Interferometer instrument.
Laser Ranging Interferometer
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
A map of groundwater storage trends for Earth's 37 largest aquifers using GRACE data, showing depletion and replenishment in millimeters of water per year.
Map of Groundwater Storage Trends for Earth's 37 Largest Aquifers
This map from September 2015 shows deep drought in California, Nevada and Texas.
Groundwater Drought Indicator
The twin satellites of NASA's Gravity Recovery and Climate Experiment Follow-on, or GRACE-FO, will track the movement of water around Earth. This short video explains how and why it's important.
Why Is GRACE-FO So Important?
GRACE Follow-On (GRACE-FO) continues the legacy of GRACE, tracking Earth’s water movement and surface mass changes across the planet. Monitoring changes in ice sheets and glaciers, near-surface and...
GRACE-FO Mission Brochure
GRACE-FO mission logo
GRACE-FO Logo
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Several regions around the world are seeing marked declines in water availability, according to a paper published in the journal Science Advances on July 25. The study, partially funded by NASA, found that dry areas are increasing by about twice the size of California each year.
US-German Water Satellites Show Continental Dry Spots Are Getting Drier
An international team of scientists using observations from NASA-German satellites found evidence that Earth’s total amount of freshwater dropped abruptly starting in May 2014 and has remained low ever since.
NASA Satellites Reveal Abrupt Drop in Global Freshwater Levels
GRACE and GRACE-FO observations are now addressing the crucial need for sustainable groundwater management practices to ensure water resiliency amidst ongoing climate challenges in California.
Data in Action: GRACE and GRACE-FO are used by California's Department of Water Resources for Groundwater Management Information
The Gravity Recovery and Climate Experiment-Continuity mission will extend a decades-long record of following shifting water masses using gravity measurements.
US, Germany Partnering on Mission to Track Earth's Water Movement
This immersive experience leverages satellite data to illustrate how climate change is impacting Earth’s water cycle.
Google's ‘A Passage of Water' Brings NASA's Water Data to Life
Early data shows the greatest net gain of water over the winter in nearly 22 years, but the state’s groundwater levels still suffer from the effects of years of drought.
US-German Satellites Show California Water Gains After Record Winter