Ice loss in Greenland. Map: E. Boergens
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How is the global water storage changing?

We are observing from space the mass transport of water on land and in the oceans. Our GRACE satellites even measure within the Earth's interior and detect changes in groundwater reservoirs. We document those changes in monthly gravity field maps, which are available to all researchers worldwide.

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Location of the transboundary Bug River basin / Lage des grenzüberschreitenden Bug-Flussgebiets

High-resolution groundwater storage changes from GRACE/GRACE-FO using assimilation models and hydrogeological observations

Using assimilation models and hydrogeological observations, a team from the Polish Geological Institute and the Space Research Center of the Polish Academy of Sciences has...

Ocean tide signals detected in GRACE and GRACE Follow-On distance measurements

In a recently published study, researchers from the Leibniz University Hannover introduce an innovative approach to reveal ocean tide model errors and unmodeled ocean tide...

Probing the atmosphere with GNSS radio occultations

The diverse sensor technology of the GRACE-FO satellites not only enables the measurement of the time-varying Earth's gravity field and the water mass shifts that cause it, but...

Observation of long-term changes in the East African Rift‘s hydrology with GRACE and GRACE-FO

For over 20 years, the GRACE and GRACE-FO satellite missions have observed changes in the water masses on the continents, the so-called terrestrial water storage (TWS). This data...

Evaluating long-term trends in terrestrial water storage from a joint analysis of 20 years of GRACE/ GRACE-FO data

The spatial resolution of the GRACE missions is limited, partly by the amount of sensor data required to process a global gravity field. Data over a period of 30 days is typically...

A new way to quantify groundwater decline from space

Terrestrial water storage changes (∆TWS) induce changes in Earth’s gravity field, measurable by the Gravity Recovery And Climate Experiment (GRACE) and its follow on mission...

Revolutionizing Earth Observation: The CARIOQA mission

The CARIOQA (Cold Atom Rubidium Interferometer in Orbit for Quantum Accelerometry) mission is an European Union funded project aimed to develop a new technology to be used in space...

Where rocks fall faster in winter - research into high alpine hydrology on Mount Zugspitze

The international project G-MONARCH (Gravity-Monitoring for Alpine Research Catchment Hydrology) aims at a better understanding of high alpine hydrology. The Zugspitze, almost 3000...

More precise monitoring of the global water cycle using artificial intelligence

Researchers at ETH Zurich have developed a self-monitoring neural network that seamlessly integrates satellite-based gravity field measurements into hydrological simulations with...

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