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Critical Zone

Depiction of the proposed approach to Critical Zone Science.
Posted inEditors' Vox

Earth’s Critical Zone Remains a Mystery Without its People

by Larissa A. Naylor, Jennifer A. J. Dungait, Paul D. Hallett, Neil Munro, Alasdair Stanton and Timothy A. Quine 19 September 202319 September 2023

Achieving the UN Sustainable Development Goals may only be possible if human activities are central to critical zone science.

Photograph of a soil surface
Posted inNews

Solar Panels Nurse Desert Soil Back to Life

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 12 May 202330 May 2023

Cultivating delicate soil crust in the shade of solar panels might boost the recovery of arid land.

One person sits and two others stand on part of a large outcrop of gray rock.
Posted inScience Updates

Envisioning a Near-Surface Geophysics Center for Convergent Science

by Xavier Comas, Sarah Kruse, Gordon Grant, Brooks Hanson and Laura Lyon 5 April 20231 June 2023

A recent effort identified how a proposed near-surface geophysics center integrating research and teaching could address critical challenges and promote community engagement and cultural change.

这幅森林场景描绘了几棵铁杉树的底部,其根部暴露在外
Posted inResearch Spotlights

用木质部估算植物用水量

Sarah Derouin, Science Writer by Sarah Derouin 31 January 202321 March 2023

一项新研究表明,来自植物木质部的化学同位素可以帮助改善森林水循环的表征。

A forest scene depicts the base of several hemlock trees with their roots exposed.
Posted inResearch Spotlights

To Estimate Plant Water Use, Consider the Xylem

Sarah Derouin, Science Writer by Sarah Derouin 13 January 202331 January 2023

New research shows that chemical isotopes from plant xylem can improve representations of the forest water cycle.

A tuft of switchgrass with its associated roots is displayed horizontally on a black background.
Posted inResearch Spotlights

The World’s Roots Are Getting Shallower

by Rebecca Dzombak 17 November 202217 November 2022

Root-filled soils are hot spots of nutrient cycling and carbon storage. New research finds that the world has lost millions of cubic meters of rooted soil volume—and we’re on track to lose much more.

Scientists take groundwater samples at a karst aquifer field site.
Posted inNews

Groundwater May Fix as Much Carbon as Some Ocean Surface Waters

by Carolyn Wilke 28 July 20227 September 2022

Microbes from wells as deep as 90 meters created organic carbon at a rate that overlaps with some nutrient-poor spots in the ocean.

The Colorado River with canyons in the background
Posted inResearch Spotlights

Impact of Climate on River Chemistry Across the United States

Sarah Derouin, Science Writer by Sarah Derouin 26 July 202227 July 2022

Findings of a new study have implications for water quality, aquatic ecosystem health, and water treatment and management as the world warms.

Northern California’s Eel River watershed
Posted inResearch Spotlights

Small Catchments Sustain Silicon Signatures Following Storms

by Jack Lee 10 June 202229 June 2022

Watersheds have unique patterns of silicon export due to differences in subsurface water routing and biogeochemical reactions.

Biocrust composed of mosses, lichens, and cyanobacteria
Posted inNews

Biocrust “Probiotics” Can Aid Dryland Restoration Efforts

by Derek Smith 10 January 202225 May 2022

Bacteria can speed up the growth of biocrust-forming organisms in nurseries, providing more material for restoration of degraded dryland soil.

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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
Community Science
“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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