Wells overpumping groundwater could be forcing rivers to seep underground, a new study shows. Regions with intensive irrigation activities are at the most risk.
irrigation
Posted inNews
Groundwater Levels Are Dropping Around the World
Well data from around the world show declines driven by water use and climate change.
Posted inNews
Rates of Groundwater Depletion in India Could Triple by Midcentury
Climate change is contributing to crop stress associated with a growing demand for freshwater.
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New Forecasting Tool Could Help Indian Farmers Plan Irrigation
Tropical weather is unpredictable, but a new tool could help farmers get a better grasp on it.
Posted inEditors' Highlights
GPS Observations Sense Groundwater Change in Australia
By exploiting the fact that changes in groundwater cause deformations of the Earth’s surface, GPS receivers are used to detect groundwater changes related to extreme events and to seasonal oscillations.
Posted inNews
Irrigation in Indo-Gangetic Plain Has Little Impact on Heat Stress
Irrigation-related cooling during summer months is overestimated by roughly 5 times, highlighting the need for climate models to accurately reflect local agricultural practices.
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Ancient Maya Made Widespread Changes to Wetland Landscape
A system of canals 2 millennia old sustained a local population after the collapse of its neighbors, and it continues to affect local ecology today.
Posted inResearch Spotlights
Can Satellites Fill Gaps in Agricultural Water Monitoring?
Past studies that have estimated irrigation water usage based on satellite remote sensing have had large uncertainties that could hamper effective water management.
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Minireservorios Podrían Salvar a Agricultores con Suelos Arenosos
Una tecnología de retención de agua subterránea recientemente reactivada podría conservar el agua y aumentar drásticamente el rendimiento de los cultivos en paisajes áridos con suelos arenosos como el África Subsahariana.
Posted inEditors' Highlights
Machine Learning Predicts Subsidence from Groundwater Pumping
Machine learning and data on aquifer type, sediment thickness, and proxies for irrigation water use has been used to produce the most comprehensive map of land subsidence in the western U.S. to date.