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groundwater

A man measuring the water level in an open well with a measuring tape
Posted inNews

Satellite and on-the-Ground Data Help Monitor Groundwater in India

by Deepa Padmanaban 16 February 202216 February 2022

Village volunteers use remote sensing and manual measurement to help farmers use groundwater more efficiently.

Diagram showing how thousands of years of evolution links three characteristics: the maximum lengths of tree roots, how close these roots are to a groundwater source, and whether or not trees use groundwater.
Posted inEditors' Highlights

Evolution is More Important than Environment for Water Uptake

by Valeriy Ivanov 8 February 20223 May 2022

Despite conventional assumptions, a new study shows that evolutionary proximity of species defines root water uptake strategies, not their position in landscape or ambient environment.

Cross section of Chilean radiata pine
Posted inResearch Spotlights

Understanding Tremors Through Tree Rings

Kate Wheeling, freelance science writer by Kate Wheeling 21 October 202110 November 2021

Researchers look to carbon isotopes and cell-level wood anatomy to understand how seismic-induced changes in water availability affect tree growth.

A young man pulls water from a well in an agricultural area in India.
Posted inNews

Researchers Trace Threats to Groundwater in India

by T. V. Padma 8 October 20219 May 2022

A handful of new studies analyze the depletion and contamination of groundwater, as well as the effects of climate change—and how communities are responding.

A researcher stands above a large sinkhole, pouring green dye into draining water.
Posted inNews

Dyes and Isotopes Track Groundwater from Sink to Spring

by J. Besl 28 June 202124 August 2023

The hydraulic connection between a sinkhole and a natural spring—the longest and largest yet documented—could help reduce the guesswork in mapping karst aquifers.

Figure showing the evolution of the groundwater reservoirs during the monsoon season.
Posted inEditors' Highlights

Understanding How Himalayan Water Towers Fill and Drain

by Alberto Montanari 18 May 20213 December 2021

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.

3D illustration showing the passive seismic signal recorded at two stations
Posted inEditors' Highlights

Revealing Complexity of Groundwater Flow with Hydrogeophysics

by A. Binley 29 April 202127 January 2023

A combination of passive seismic and electrical measurements are used to unravel the complex hydrogeology structure and associated groundwater flow paths at a coastal site in O’ahu, Hawai`i.

Two maps of the San Joaquin Valley showing geodetic observations for a consecutive dry water year (left) and wet water year (right)
Posted inEditors' Highlights

Satellites Detect Groundwater Recharge for San Joaquin Valley

by D. Long 26 April 20211 November 2021

A new study integrates spaceborne InSAR time series and GPS to resolve spatiotemporal patterns of deformation across the San Joaquin Valley indicating recharge areas and pathways for groundwater flow.

The Emme River in Switzerland
Posted inResearch Spotlights

Tracing Water from River to Aquifer

Aaron Sidder, freelance science writer by Aaron Sidder 20 April 20216 February 2023

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.

Men and women collect water at a secured borehole in Moyale, Kenya.
Posted inNews

Scientists Map Africa’s Groundwater Recharge for the First Time

by Munyaradzi Makoni 1 April 202116 February 2022

The continent-wide survey provides an assessment of the resilience of groundwater resources.

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