Fracturing during microearthquakes can cause groundwater pH drops. The change is temporary but can be equivalent to the difference between water and vinegar.
groundwater
Posted inResearch Spotlights
Parsing Routes to Aquifer Recharge Along Mountain Fronts
Research from the Tucson Basin indicates that tracers can be used to distinguish surface and subsurface recharge, providing crucial data to support sustainable water management in arid environments.
Posted inEditors' Vox
Freshened Groundwater in the Sub-seafloor
Scientists are using a variety of geochemical, geophysical, and numerical methods to study offshore freshened groundwater and better understand its role in the global water cycle.
Posted inEditors' Highlights
Evaporation Reverses Groundwater Flow and Forms Hyper-Salinity
A numerical model of groundwater-surface water systems shows how floodplain evaporation can reverse stream-groundwater flow and produce strong buoyancy changes associated with salinity.
Posted inResearch Spotlights
How Some Trees Survive the Summer Dry Season
Oak trees in California seasonally tap moisture in unsaturated soil and weathered bedrock, even when the groundwater table is within reach of their roots.
Posted inNews
Modeling Groundwater and Crop Production in the U.S. High Plains
Innovative new research by a team of international scholars borrows modeling methods from ecology and applies them to groundwater sustainability.
Posted inResearch Spotlights
¿Cómo Afecta el Reverdecimiento del Ártico al Agua Subterránea?
Nuevas investigaciones examinan cómo los cambios en la ecología de la superficie influyen en la hidrología subterránea en el Ártico.
Posted inNews
Taking an Aerial View Underground
Wisconsin geologists are testing using drones equipped with thermal cameras to measure shallow soil depths in areas prone to groundwater contamination.
Posted inNews
Groundwater Crisis in Zimbabwe Brought On by Droughts
Zimbabwe’s groundwater is disappearing fast, leaving rural communities without water for household and agricultural use.
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.