What can 25 years of observing the same watershed teach us about groundwater? Can intensive pumping make groundwater deeper in valleys than on hills? Can decades of depletion be reversed by just a few exceptionally wet years? And how does fertilizer applied at the surface end up contaminating groundwater tens of metres below? Professor Shekhar Muddu joins host Veena Srinivasan on the Water Data Podcast for a deep dive into the Kabini Critical Zone Observatory and what decades of field measure...