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biogeochemistry

Photo of the Makahiku Falls in the Haleakala National Park Maui, Hawaii
Posted inEditors' Vox

Evaluating the Impact and Reach of Biogeochemical Cycles

by K. Dontsova, Z. Balogh‐Brunstad and G. Le Roux 20 September 20211 October 2021

A new book examines flow of the elements in the biosphere from biological drivers to human influences, and explores the analytical and computational methods used to access biogeochemical cycles.

Illustration of a lightning storm over volcanic land on early Earth
Posted inNews

Cloud-to-Ground Lightning May Have Struck a Key Ingredient for Life

by Jackie Rocheleau 30 April 202129 September 2021

On early Earth, rock created by lightning strikes to the ground likely held a form of phosphorus necessary for prebiotic chemistry.

A soil profile from the Wind River Range
Posted inEditors' Vox

Exploring the Engine and Drivers of Soil Formation

by A. G. Hunt, M. Egli and B. A. Faybishenko 26 February 20211 October 2021

A new book presents a multidisciplinary perspective on soil, exploring it as a nexus for water flow, near surface (bio)geochemistry, erosion and deposition, and biologically coupled nutrient cycling.

Sea ice covers Canada's Hudson Bay. Artificial sea ice restoration could alter a complex web of interactions.
Posted inOpinions

Implications of Sea Ice Management for Arctic Biogeochemistry

by L. Miller, F. Fripiat, S. Moreau, D. Nomura, J. Stefels, N. Steiner, L. Tedesco and M. Vancoppenolle 30 September 202027 September 2022

Geoengineering strategies to slow sea ice melting would affect not only Earth’s climate but also the biology and chemistry of the oceans, atmosphere, and ice.

A stream in the Zackenberg Valley of northeastern Greenland
Posted inResearch Spotlights

How Will Climate Change Affect Arctic Stream Slime?

Kate Wheeling, freelance science writer by Kate Wheeling 15 April 202024 February 2023

Rising temperatures and thawing permafrost will change nutrient concentrations in Arctic waterways, which will influence the growth of biogeochemically important biofilms.

A rosette water sampler hangs from a cable above the Arctic Ocean surface near some sea ice
Posted inResearch Spotlights

Tracking Trace Elements Across the Arctic Ocean

Kate Wheeling, freelance science writer by Kate Wheeling 8 April 202023 January 2023

Researchers used data from a pan-Arctic survey of carbon and trace elements to better understand how climate change will affect primary production in one of the fastest warming regions of the world.

A stream running through a forest
Posted inNews

The Shape of Watersheds

Hannah Thomasy, Science Writer by Hannah Thomasy 21 January 20201 March 2023

Streams in flatter watersheds have carbon cycles more sensitive to temperature increases.

Magnetite levels in the human brain
Posted inNews

Human Brains Have Tiny Bits of Magnetic Material

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 12 December 201927 March 2023

Here’s the first map of the magnetic mineral magnetite in the human brain. Turns out that our brain stem may be full of it.

Marine biogeochemists at a workshop last summer huddle over a biogeochemical instrument they are learning to use.
Posted inScience Updates

Training the Next Generation of Marine Biogeochemists

by A. P. Palacz, M. Telszewski, G. Rehder and H. C. Bittig 6 November 20197 March 2023

Early-career scientists came together recently to learn to use a suite of ocean biogeochemical sensors, with the goal of closing the knowledge gap between ocean technology and potential end users.

Petri dishes, each marked Geotraces
Posted inResearch Spotlights

Big Data Help Paint a New Picture of Trace Element Cycling

by Terri Cook 29 May 201911 October 2022

A new framework for understanding the suite of processes acting on marine particulate trace metals exemplifies how alternative analyses can maximize the information that large data sets provide.

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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

A Long-Term Look Beneath an Antarctic Ice Shelf

6 March 20266 March 2026
Editors' Highlights

Tropopause Temperature Drives Tropical Cyclone Simulation Diversity

6 March 20266 March 2026
Editors' Vox

Editorial Handover at Perspectives of Earth and Space Scientists

6 March 20266 March 2026
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