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biogeosciences

This aerial image shows two researchers exploring a sunken spring in the middle of a gray and white icy landscape. One researcher, dressed in blue, crouches inside a circular hole in the ice while a second researcher, dressed in black, stands to the left taking a photo.
Posted inNews

Lipids from Europa’s Ocean Could Be Detectable on the Surface

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 March 202210 March 2022

A super salty spring in the Canadian Arctic provides insights key to detecting life on a distant ocean world.

Illustration of the surface of early Earth with an orange sky (with a meteorite streaking through it), a green ocean, a large island landmass, an impact crater, and underwater volcanoes.
Posted inScience Updates

Rethinking the Search for the Origins of Life

by Dustin Trail, Jamie Elsila, Ulrich F. Müller, Timothy Lyons and Karyn L. Rogers 4 February 20224 May 2022

Early Earth conditions and the chemistry that led to life were inextricably interwoven. Earth scientists and prebiotic chemists are working together in new ways to understand how life first emerged.

路边的沟渠可以在水进入水道之前有效地将水中的氮去除。图片来源: Corianne Tatariw
Posted inENGAGE, Research Spotlights

路边沟渠可有效脱氮

Sarah Derouin, Science Writer by Sarah Derouin 7 September 202129 March 2023

研究人员比较了那些为森林、城市和农业用地排水的沟渠中微生物的脱氮潜力,发现路边沟渠是去除养分的重要区域。

Methane streams arising from the seafloor at a cold seep site offshore of Virginia
Posted inResearch Spotlights

Does the Priming Effect Happen Underwater? It’s Complicated

by Morgan Rehnberg 1 September 202129 September 2021

A new meta-analysis finds evidence that adding fresh organic material can increase decomposition rates, but when and why that happens remain unclear.

Roadside ditches can remove nitrogen from water before it gets to waterways.
Posted inENGAGE, Research Spotlights

Roadside Ditches Are Effective at Nitrogen Removal

Sarah Derouin, Science Writer by Sarah Derouin 4 August 202130 March 2023

Researchers compared the nitrogen removal potential by microbes in ditches that drained forested, urban, and agricultural lands and discovered that roadside ditches are important areas for removing nutrients.

Plot of sea surface temperature from cold wakes associated with tropical cyclones (blue) and associated increasing in trend in the tropical cyclone induced primary production of Chlorophyll-a concentration (red).
Posted inEditors' Highlights

Tropical Cyclone Induced Increase in Ocean Primary Production

by Suzana Camargo 27 July 20211 March 2023

A positive trend in tropical cyclone induced ocean mixing and primary production is compensating the overall decline in global primary production due to anthropogenic climate change.

Una imagen satelital de un río atmosférico el 20 de febrero de 2017, que ayudó al oeste estadounidense a salir de una sequía de cinco años.
Posted inFeatures

¿Cómo afectará el cambio climático a los Estados Unidos en las próximas décadas?

by D. Wuebbles, D. W. Fahey and K. A. Hibbard 8 July 202128 September 2021

Un nuevo informe del gobierno de EE. UU. muestra que el clima está cambiando y que las actividades humanas conducirán a muchos más cambios. Estos cambios afectarán el nivel del mar, la frecuencia de las sequías, las precipitaciones severas y más.

OFP traps being recovered and deployed
Posted inResearch Spotlights

Particles at the Ocean Surface and Seafloor Aren’t So Different

by Jack Lee 10 June 202127 September 2022

Despite occurring on different scales, flux measurements throughout the water column share log-normal probability distributions.

A group of snailfish, animals that live in deep-sea ecosystems, feeding on a dead fish
Posted inNews

Sinking Fish May Fast-Track Mercury Pollution to the Deep Sea

by Carolyn Wilke 22 December 202018 March 2022

Isotopic analysis indicates that mercury found in deep-sea organisms may have an origin in carrion from near the surface.

A bunch of jellyfish
Posted inResearch Spotlights

El Zooplancton Gelatinoso Transfiere Una Cantidad Significativa de Carbono a las Profundidades del Océano

Rachel Fritts, Science Writer by Rachel Fritts 18 December 20209 November 2022

Un nuevo estudio muestra que las medusas y las salpas marinas no reciben el crédito que merecen por su papel en el ciclo del carbono en el océano.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Eddy or Not: Do Eddies Actually Transport That Much Carbon?

17 April 202617 April 2026
Editors' Highlights

Amazon River Breezes Mimic Pollution in Clouds

17 April 202616 April 2026
Editors' Vox

Synergistic Integration of Flood Inundation Modeling Methods

10 April 202610 April 2026
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