Articles | Volume 23, issue 2
Research article
07 Feb 2019
Research article |  | 07 Feb 2019

Long-term groundwater recharge rates across India by in situ measurements

Soumendra N. Bhanja, Abhijit Mukherjee, R. Rangarajan, Bridget R. Scanlon, Pragnaditya Malakar, and Shubha Verma

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Cited articles

Athavale, R. N., Rangarajan, R., and Muralidharan, D.: Measurement of natural recharge in India, J. Geol. Soc. India, 39, 235–244, 1992. 
Athavale, R. N., Rangarajan, R., and Muralidharan, D.: Influx and efflux of moisture in a desert soil during a one year period, Water Resour. Res., 34, 2871–2877, 1998. 
Bhandari, N., Gupta, S. K., Sharma, P., Premsagar, Ayachit, V., and Desai, B. I.: Hydrogeological investigations in Sabarmati basin and coastal Saurashtra using radioisotope methods, Final scientific report, PRL, Ahmedabad, India, 220 pp., 1982. 
Bhanja, S. N., Mukherjee, A., Saha, D., Velicogna, I., and Famiglietti, J. S.: Validation of GRACE based groundwater storage anomaly using in-situ groundwater level measurements in India, J. Hydrol., 543, 729–738,, 2016. 
Bhanja, S. N., Mukherjee, A., Rodell, M., Wada, Y., Chattopadhyay, S., Velicogna, I., Pangaluru, K., and Famiglietti, J. S.: Groundwater rejuvenation in parts of India influenced by water-policy change implementation, Sci. Rep.-UK, 7, 7453,, 2017a. 
Short summary
Groundwater depletion in India has been a much-debated issue in recent years. Here we investigate long-term, spatiotemporal variation in prevailing groundwater recharge rates across India. Groundwater recharge rates have been estimated based on field-scale groundwater-level measurements and the tracer injection approach; recharge rates from the two estimates compared favorably. The role of precipitation in controlling groundwater recharge is studied.