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28 August 2019
[Figure 1: The twin-satellites GRACE with the gravity field of the Earth known as the “Potsdam Gravity Potato” (Source: AIRBUS/GFZ)] Between 2002 and 2008, a groundwater depletion (mostly caused by irrigation) was suspected in the Indian states of Rajasthan, Punjab and Haryana. Data from the twin satellite mission GRACE (Gravity Recovery And Climate Experiment), helped to quantify the water deficit by analyzing the Earth’s gravity field anomalies, which can be precisely detected by measuring... Keep reading