Beneath northern India’s irrigated fields and densely populated cities of Jaiphur and New Delhi, the groundwater has been disappearing. Around the world, hydrologists, including Matt Rodell of NASA, have been hunting for it.
Where is northern India’s underground water supply going? According to Rodell and colleagues, it is being pumped and consumed by human activities -- principally to irrigate cropland -- faster than the aquifers can be replenished by natural processes. They based their conclusions on observations from NASA’s Gravity Recovery and Climate Experiment (GRACE). (Source: NASA)
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