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Journal of Geophysical Research: Biogeosciences

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A packer installation near Ibra, Oman, in January 2019
Posted inResearch Spotlights

Shedding Light on Microbial Communities in Deep Aquifers

Kate Wheeling, freelance science writer by Kate Wheeling 20 October 202116 May 2022

Researchers use a packer system to study the microbial communities living in waters sampled from deep, uncontaminated peridotite aquifers.

Lac des Dix reservoir of the Grande Dixence Dam in Hérémence, Switzerland
Posted inResearch Spotlights

Researchers Zero In on Methane Released from Reservoirs

Sarah Derouin, Science Writer by Sarah Derouin 19 October 20212 November 2021

Using new methods, researchers can estimate how much methane is released each day from reservoirs—an important step in estimating global methane emissions.

Plot showing UV-induced emissions weighted global warming potential in CO2 equivalent for each greenhouse gas emitted from cell suspensions of 16 species of marine phytoplankton.
Posted inEditors' Highlights

Phytoplankton as Emitters of Greenhouse Gases

by Marguerite A. Xenopoulos 15 October 20217 October 2021

Phytoplankton remove carbon dioxide from the atmosphere; a new study reveals that marine phytoplankton can also produce greenhouse gases when exposed to ultraviolet radiation.

Lava tubes at Lava Beds National Monument in California
Posted inResearch Spotlights

Earthly Lava Tubes May Offer Insights into Extraterrestrial Life

Aaron Sidder, freelance science writer by Aaron Sidder 21 September 202118 January 2022

New research finds that Actinobacteria in lava caves fix carbon and survive independent of surface inputs, offering a fresh perspective in the search for life beyond Earth.

The Duvannyi Yar thaw site on the Kolyma River in Siberia
Posted inResearch Spotlights

Minimal Evidence of Permafrost Carbon in Siberia’s Kolyma River

by Terri Cook 20 September 202120 September 2023

New research finds that Arctic rivers currently transport limited permafrost-derived dissolved organic carbon, which has implications for understanding the region’s changing carbon cycle—and its potential to accelerate climate change.

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 inResearch 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.

A collection of globular, multicellular membrane-bearing algae from the Kuanchuanpu biota
Posted inResearch Spotlights

Multicellular Algae Discovered in an Early Cambrian Formation

by David Shultz 16 August 202130 January 2023

A new study describes eukaryotic organisms found organized in a cortex-medulla pattern in southern China’s Kuanchuanpu Formation.

Deciduous forests, like the one pictured here, are important sinks of ozone.
Posted inResearch Spotlights

Examining the Intricacies of Ozone Removal by Deciduous Forests

Aaron Sidder, freelance science writer by Aaron Sidder 9 August 20211 June 2023

A new study looks into how air movement in the atmospheric boundary layer affects ozone removal by deciduous forests, which are a significant ozone sink.

Roadside ditches can remove nitrogen from water before it gets to waterways.
Posted inResearch 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.

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