https://www.indiawaterportal.org/groundwater/chasing-aquifers-from-the-sky-heliborne-surveys-are-mapping-indias-hidden-water-reserves https://media.assettype.com/indiawaterportal/2026-08-14/f63rdt6x/w1.jpg Time Domain Electromagnetics (TDEM): The Physics and Efficiency of Helicopter Groundwater Mapping (Image: CGWB) https://media.assettype.com/indiawaterportal/2026-08-14/851my5ev/gw2.jpg Central Ground Water Board teamed up with the National Geophysical Research Institute to execute its first major airborne TDEM survey https://media.assettype.com/indiawaterportal/2026-08-14/p57i5ii8/gw3.jpg A decade of heliborne campaigns, from the 2013–14 pilot studies to the approximately 1 lakh square km survey of north west India in 2021–22.  https://media.assettype.com/indiawaterportal/2026-08-14/khhpek3q/gw4.jpg indiawaterportal en 2026-08-14T15:21:55.272Z Chasing aquifers from the sky: Heliborne surveys are mapping India's hidden water reserves Heliborne surveys, TDEM technology, Groundwater mapping, India water crisis, Aquifer management, Airborne geophysics, Central Ground Water Board (CGWB), Paleochannels, Subsurface hydrology, Artificial recharge https://www.indiawaterportal.org/groundwater/can-grid-connected-solar-irrigation-pumps-help-reduce-groundwater-use-in-gujarat https://media.assettype.com/indiawaterportal/2026-08-14/tkje1nl6/Solar-irrigation.jpg Irrigation in a farm  (Image: Asadwarraich, Wikimedia Commons; CC BY-SA 4.0) indiawaterportal en 2026-08-14T11:00:59.130Z Can grid-connected solar irrigation pumps help reduce groundwater use in Gujarat? solar irrigation, groundwater, Gujarat, Anand, Botad, agriculture, aquifers, rainfall, electricity, PM-Kusum programme, Suryashakti Kisan Yojana , canal irrigation, irrigation, water markets, solar incentives, irrigation technologies