Jet Propulsion Laboratory
California Institute of Technology
Gravity Anomaly Map Using GRACE Data
Gravity anomaly map using GRACE data.
The signal of the December 2004 earthquake in the Indian Ocean in GRACE observations of Earth's gravity field.
GRACE Sees Earthquake in Indian Ocean
The rainy and dry seasons in the Amazon Basin in 2004, revealed by gravity anomalies observed by GRACE. Reds and pinks show where and when mass was higher than average, a sign that more water was p...
Rainy and Dry Seasons in the Amazon (2004)
GRACE-FO will measure Atlantic Ocean bottom pressure as an indicator of deep ocean current speed, as GRACE did.
Ocean Bottom Pressure
GRACE-FO arriving at Vandenberg Air Force Base, California, from Germany.
GRACE-FO Arrives at Vandenberg
Illustration of GRACE-FO gravity data over Africa.
GRACE-FO Gravity Data Over Africa
Flames from the SpaceX Falcon 9 rocket launching GRACE-FO into orbit.
This map from September 2015 shows deep drought in California, Nevada and Texas.
Groundwater Drought Indicator
Gravity variations studied by GRACE can be used to determine ground water storage on land masses.
Global Terrestrial Water Storage Anomaly
GRACE observed Earth’s surface mass changes nearly every month from 2002 to mid-2017. GRACE Follow-On will provide crucial continuity to these observations for the next five years or more.
Earth Mass Changes, 2002 to 2017
The rocket carrying GRACE-FO lifts off into a blue sky, with the Pacific Ocean beneath it.
GRACE-FO Launch, Sky and Sea
Monthly changes in ocean bottom pressure data obtained by the GRACE satellites from November 2002 to January 2012.
Ocean Bottom Pressure 2002-2012
NASAs Gravity Recovery and Climate Experiment (GRACE) has measured significant groundwater depletion around the world in recent years.
GRACE Sees Groundwater Losses Around the World
This visualization displays monthly GRACE data in the Amazon basin, demonstrating water storage and movement.
Amazon Basin Monthly GRACE Data
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)
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
NASA JPL-UC Irvine glaciologist Eric Rignot explains how glaciers in West Antarctica are changing.
West Antarctic Collapse
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
GRACE-FO in a protective shipping container arriving at a new facility at Vandenberg Air Force Base, California.
GRACE-FO Arrives at Vandenberg
Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
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
A long exposure of the GRACE-FO launch from Vandenberg
GRACE-FO Launch, Long Exposure
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
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
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
Illustration of GRACE-FO in orbit (view 4)
Illustration of GRACE-FO (View 4)
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