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.
groundwater
Posted inEditors' Highlights
Groundwater Drawn Downward After Kumamoto Quake
A unique set of high-frequency groundwater level monitoring reveals a loss of approximately ten million cubic meters of groundwater after a major earthquake.
Posted inNews
Earthquakes Shake Up Groundwater Systems
Increased permeability temporarily boosts water flow.
Posted inNews
Widespread Contamination Found in Northwest India’s Groundwater
Naturally occurring contaminants and human-made pollution in drinking water supply may be harmful to human health.
Posted inResearch Spotlights
Treating Colloids as Clusters Better Predicts Their Behavior
New research suggests that an accurate prediction of colloidal particle mobilization in the environment should account for the effect of clustering.
Posted inEditors' Vox
Unlocking a Treasure Trove for Subsurface Characterization
Earth and atmospheric tide signatures embedded in groundwater levels are a potential game changer in the monitoring of confined aquifers.
Posted inEditors' Vox
How Diverse Observations Improve Groundwater Models
Including diverse observations of exchange fluxes, tracer concentrations and residence times in groundwater model calibration results in more robust predictions than using only classical observations.
Posted inNews
Ancient Water Underlies Arid Egypt
A hidden trove of groundwater is left over from the last ice age.
Posted inFeatures
“Legendary” Mentor Follows the Groundwater
Mary Pikul Anderson, a lauded hydrogeologist, has advised more than 50 graduate students.
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.