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biogeochemistry

Diagram from the study.
Posted inEditors' Highlights

When It Rains, It Pours!

by Marc F. P. Bierkens 11 April 20249 April 2024

Water that falls on a forest canopy during rainfall events reaches the ground at focused locations called “pour points”. This insight has a major impact on how we view hydrologic processes on the ground.

Photo of a wetland
Posted inEditors' Highlights

When You’re a Wet(land), You’re A Wet(land) All the Way

by Ankur R. Desai 9 April 20248 April 2024

Wetlands and their methane emissions require careful consideration for incorporation in Earth system models with many advances made over the past 30 years.

Un iceberg flota en el océano cerca de Antártica.
Posted inNews

La acidez del océano antártico aumentará rápidamente a finales del siglo

by Nathaniel Scharping 11 March 202411 March 2024

Nuevos estudios muestran que los niveles de acidez podrían llegar a duplicarse para el 2100, poniendo en peligro los ecosistemas frágiles del gélido Océano Austral.

A farmer spraying crops with fertilizer.
Posted inEditors' Highlights

What Happens to Nutrients After They Leave Agricultural Fields?

by Alberto Bellin 16 February 202413 February 2024

To better quantify the fate of nutrients after they are released from agricultural fields, scientists examine storage and nitrate export regimes in agricultural hydrology systems.

An iceberg floats in the ocean near Antarctica.
Posted inNews

Antarctica’s Ocean Acidity Set to Rise Rapidly by Century’s End

by Nathaniel Scharping 9 February 202411 March 2024

New research shows acidity levels could as much as double by 2100, imperiling fragile ecosystems in the frigid Southern Ocean.

A brilliant green mineral juts out from a chunk of blackish rock dotted with other patches of green crystals.
Posted inNews

Olivine May Have Given Life a Jump Start

by Elise Cutts 1 February 20241 February 2024

A mineral common throughout the solar system nudges a reaction that produces sugar molecules from formaldehyde.

A person with a mask on walking through a smog covered parking lot.
Posted inEditors' Vox

OneHealth, Climate Change, and Infectious Microbes

by Antarpreet Jutla, Gabriel Filippelli, Katherine D. McMahon, Susannah G. Tringe, Rita R. Colwell, Helen Nguyen and Michael J. Imperiale 31 January 20249 September 2024

AGU and ASM welcome submissions to a joint special collection focusing on the impacts of climate change and microbes on human well-being.

A river in Iceland seen from above
Posted inResearch Spotlights

Gently Down the Stream: Carbon’s Journey from Land to Sea and Beyond

by Nathaniel Scharping 6 November 20237 November 2023

Movement of carbon from land to ocean and atmosphere plays an important, but understudied, role in the global carbon cycle.

Satellite image of the Mississippi River surrounded by a green landscape
Posted inNews

Rivers Are Warming Up and Losing Oxygen

by Elise Cutts 3 November 20233 November 2023

Researchers used deep learning to fill in the gaps of “patchy” water quality data, revealing decades-long trends toward warmer and less oxygenated rivers that could have worrisome consequences.

A satellite image of Earth’s surface shows gray material—airborne dust—fanning out over a landscape of snowy mountain peaks and vegetated lowlands.
Posted inNews

Protein Powder Makes Ice Crystals Flower

Katherine Kornei, Science Writer by Katherine Kornei 26 September 202326 September 2023

Dust from Alaska is particularly effective at forming ice crystals because it contains biological components, researchers believe. The finding has implications for cloud physics and our planet’s climate.

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Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

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