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freshwater

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.

The entrance to the Hranice Abyss in the eastern Czech Republic.
Posted inResearch Spotlights

World’s Deepest Freshwater Cave May Be a Kilometer Deep

by Lauren Lipuma 8 September 202013 October 2022

The Czech Republic’s Hranice Abyss is more than twice as deep as researchers thought.

Numerous piles of logs lie stacked in a tract cleared amid lush forest.
Posted inResearch Spotlights

How Forest Degradation Affects Carbon and Water Cycles

Kate Wheeling, freelance science writer by Kate Wheeling 25 August 202031 March 2023

Forest degradation may be as widespread as deforestation in the Amazon, but its impact on energy, carbon, and water fluxes is less well understood.

Portions of Europe (foreground) and North Africa are seen in this view from the International Space Station.
Posted inResearch Spotlights

¿Cuántas Modificaciones Puede Aguantar el Ciclo de Agua de la Tierra?

Aaron Sidder, freelance science writer by Aaron Sidder 20 July 202014 March 2023

El marco teórico que estudia los límites planetarios define cuánta perturbación humana pueden soportar los diversos procesos del sistema terrestre, pero puede que no describa adecuadamente el ciclo del agua o la medida en que lo hemos alterado.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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