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freshwater

View from the water of lava tubes along the coast of Hawaiʻi near Hualalai volcano
Posted inScience Updates

Deep Submarine Fresh Water: A New Resource for Volcanic Islands?

by E. Attias, S. Constable, B. Taylor and D. Thomas 23 March 202129 September 2021

The discovery of large freshwater reservoirs off Hawaii suggests that other volcanic islands may have similar resources, which could help meet water demands amid population growth and climate change.

A wind turbine towers over an irrigated farm field with mountains in the distance
Posted inScience Updates

Solving Shared Problems at the Food, Energy, and Water Nexus

by J. Zhuang, F. Löffler, G. Sayler, G. Yu and G. Jiang 25 January 202113 March 2023

A 15-year-old partnership among Chinese and U.S. scientists studying challenges in our food, energy, and water systems has revealed that solutions are best achieved through international collaboration.

Landscape view showing mountains, forests, and other vegetation within the Héen Latinee Experimental Forest north of Juneau, Alaska
Posted inResearch Spotlights

Determining Dissolved Organic Carbon Flows into the Gulf of Alaska

by David Shultz 15 January 202122 December 2021

A new model determines freshwater and dissolved organic carbon discharge to the Gulf of Alaska from one of the most geographically diverse but understudied regions on the planet.

Researcher Monireh Faramarzi on an agricultural farm in Alberta, Canada
Posted inNews

Rethinking the Concept of Virtual Water in the Global Trade Market

by S. Dimitropoulos 17 December 202028 October 2021

Discussions around global trade are starting to consider the water it takes to produce exported goods. Some scientists argue that this approach should take a regional rather than global perspective.

A researcher climbs through dead mangrove trees on the island of Vieques in November 2019.
Posted inNews

Hurricane Maria Killed Mangroves Months After Storm

by T. Joosse 15 December 202010 February 2022

An overgrown channel between a lagoon and the ocean on the Puerto Rican island of Vieques created a backup of freshwater, disrupting the delicate balance of salinity in coastal mangrove forests.

Six plots showing spatial distribution of steady-state groundwater aquifer salinity (colors) and flow streamlines (white) for the two-dimensional simulations of the floodplain
Posted inEditors' Highlights

Evaporation Reverses Groundwater Flow and Forms Hyper-Salinity

by D. Scott Mackay 4 December 20201 December 2022

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.

A field on a Nebraska farm with a large irrigation arm watering the crop. Grain storage elevators are visible in the background.
Posted inNews

Modeling Groundwater and Crop Production in the U.S. High Plains

by Jady Carmichael 30 November 20208 November 2022

Innovative new research by a team of international scholars borrows modeling methods from ecology and applies them to groundwater sustainability.

A rocky landscape with short vegetation in the Canadian tundra
Posted inResearch Spotlights

¿Cómo Afecta el Reverdecimiento del Ártico al Agua Subterránea?

Kate Wheeling, freelance science writer by Kate Wheeling 13 November 20206 February 2023

Nuevas investigaciones examinan cómo los cambios en la ecología de la superficie influyen en la hidrología subterránea en el Ártico.

A conifer forest with many dead trees is seen in the foreground, with the Sierra Nevada in the background
Posted inScience Updates

Linking Critical Zone Water Storage and Ecosystems

by R. C. Bales and W. E. Dietrich 14 October 20207 March 2023

The geology and the structure of Earth’s critical zone control subsurface moisture storage potential and determine the resilience of forest and river ecosystems to drought.

A fish jumps out of the water as it heads upstream
Posted inResearch Spotlights

How River Capture Affects the Evolution of Aquatic Organisms

by David Shultz 28 September 202030 March 2023

River basins are dynamic environments that are always changing and reorganizing under geologic forces. New research investigates how this shape shifting influences aquatic speciation and extinction.

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