| http://www.w3.org/ns/prov#value | - While the societal and scientific value of groundwater measurements from space was always clear, scientists were initially hesitant to trust GRACE. ???We claimed we could measure water under the ground,??? says Byron Tapley. ???The ability to penetrate the Earth from space is a paradigm shift for a community of hydrologists who are used to measuring underground water from wells.???
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