GRACE TWS anomaly shows a decreasing trend of −1.22 cm/yr, and GRACE and GWL anomalies have a positive relationship (r = 0.471).
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Analyzing post-2000 groundwater level and rainfall changes in Rajasthan, India, using well observations and GRACE data.
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[ 20 ] found a negative trend of 2 cm/yr for groundwater anomalies in much of north India from 2002 to 2013.
Similarly, most of the districts have a rising trend in GWL, and a significant number of districts have an increasing trend in annual rainfall ( Table 2 ).