Seismic data reveal how water is accumulated and released by Himalayan groundwater reservoirs which are key for predicting future freshwater resources for a large part of South Asia.
Groundwater/surface water interaction
Posted inResearch Spotlights
Tracing Water from River to Aquifer
A new technique using dissolved noble gas tracers sheds light on how water moves through an aquifer, with implications for water resources and their vulnerability to climate change.
Posted inEditors' Highlights
Thawing Permafrost May Cause Streams to Cool
Permafrost thawing associated with climate warming increases contributions to streamflow by deeper, cooler groundwater flow paths, which may result in lower summer stream temperatures.
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 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 inResearch Spotlights
Understanding Stream Metabolism with Reactive Tracers
When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.
Posted inEditors' Highlights
Using Radioactive Tracers to Determine the Ages of Streamflow
Radioactive isotope tracers can be used to determine the relationship between the ages of water that is stored in soil and bedrock, water in streams, and the water used by vegetation.
Posted inNews
Subsurface Imaging Sheds Light on Dead Sea Sinkholes
Using seismic waves, researchers study sediment layering near the Dead Sea to reveal how the area’s numerous sinkholes form.
Posted inResearch Spotlights
How Mesquite Trees Gain a Competitive Edge in Arid Arizona
A new study shows that mesquites employ hydraulic redistribution to move water between soil layers in the savannas of Santa Rita.
Posted inResearch Spotlights
A Closer Look at Turbulent Transport in Gravel Streambeds
Lab-built streams reveal new insights into turbulence-driven exchange of dissolved substances between stream water and sediments below.