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.
water cycle
Posted inResearch Spotlights
Balancing Robustness and Cost in Hydrological Model Optimization
A new study presents a framework for finding the best optimization algorithm.
Posted inEditors' Vox
Peering into Pores: What Happens When Water Meets Soil?
New research sheds light on the long-standing puzzle of how and why soil water density differs from free water density.
Posted inResearch Spotlights
Researchers Bring Early Martian Water Chemistry to Life
Lab experiments constrain conditions necessary for a key mineral to have formed in ancient lagoons and a crater lake.
Posted inResearch Spotlights
Organic Particles Affect Carbon Cycling in Boreal Waters
Dissolved organic carbon receives much of the focus in aquatic research, but a new study suggests that bulkier particulate matter may play a significant role in regulating carbon dioxide emissions.
Posted inAGU News
Wada Receives 2018 Hydrologic Sciences Early Career Award
Yoshihide Wada will receive the 2018 Hydrologic Sciences Early Career Award at AGU’s Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award “acknowledges early career prominence and promise of continued contributions to hydrologic science.”
Posted inEditors' Highlights
Massive Scale Evaporative Water Losses from Irrigation
Evaporation can demonstrate the effects of crop irrigation on decadal trends in evapotranspiration at a regional spatial extent.
Posted inResearch Spotlights
Studying Soil from a New Perspective
Cosmic ray neutrons probe soil moisture in the Great Plains.
Posted inEditors' Highlights
Calibrating Hydrological Models by Satellite
Hydrological models are usually calibrated using observations of streamflow, but a new method uses remotely sensed land surface temperature for this purpose.
Posted inScience Updates
Piecing Together the Big Picture on Water and Climate
A new database brings together water isotope data from many sources, providing an integrated resource for studying changes in Earth’s hydroclimate over the past 2,000 years.