A new technique using 81Kr can measure the age of old groundwater in arid regions. The method can be used as a proxy for past climates and weather patterns.
aquifers
Posted inNews
Earthquakes Shake Up Groundwater Systems
Increased permeability temporarily boosts water flow.
Posted inNews
Huge Aquifer Imaged off the Atlantic Coast
Offshore aquifers may be a common feature along passive continental margins around the world.
Posted inNews
Ancient Water Underlies Arid Egypt
A hidden trove of groundwater is left over from the last ice age.
Posted inResearch Spotlights
Modeling the Subsurface Hydrology of the Greenland Ice Sheet
Firn aquifers—pockets of meltwater beneath the surface of an ice sheet—could have far-reaching impacts on subglacial hydrology, a new study finds.
Posted inEditors' Highlights
Pumping Offshore Groundwater Resources Has Consequences on Land
While vast volumes of fresh groundwater are located offshore, pumping these reserves can also deplete on-shore aquifers and cause land subsidence.
Posted inResearch Spotlights
A Closer Look at the Sustainability of Our Groundwater Aquifers
Researchers use a new approach to assessing the world’s largest aquifers in hopes of improving groundwater management during drought periods.
Posted inResearch Spotlights
Why Are Arctic Rivers Rising in Winter?
Increased glacial melt is boosting winter streamflows by filling aquifers, a new study on an Alaskan river suggests.
Posted inResearch Spotlights
New Ground-Penetrating Radar Method Shows Promise in Aquifer
Recent advances in ground-penetrating radar data analysis could help reveal aquifer structure in unprecedented detail.
Posted inResearch Spotlights
What Happens to Methane That Leaks from Abandoned Wells?
Three-dimensional simulations suggest that some aquifers may be more vulnerable to contamination from leaky oil wells than others.