Indirect evidence suggests that groundwater is being consumed faster than it is naturally being replenished in northwest India, but there has been no regional assessment of the rate of groundwater depletion. Terrestrial water storage-change observations and simulated soil-water variations from a modelling system are now used to show that groundwater is indeed being depleted and that its use for irrigation and other anthropogenic uses is likely to be the cause.
- Matthew Rodell
- Isabella Velicogna
- James S. Famiglietti
