Rodell says researchers are also using GRACE to investigate water supply trends in other parts of the world.
罗德尔说，利用卫星数据，我们也调研世界其他地区的供水趋势。
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Put another way, Rodell says, the amount of underground water depletion is about double the capacity of India's largest reservoir.
换言之，罗德尔说，地下水的消耗总量，相当于印度最大水库库容量的两倍。
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Rodell says researchers decided to use GRACE to take a closer look to see what was going on in northwest India where local reports said that peoples' Wells were running dry.