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Critical Zone

A hilly landscape in the Reynolds Creek Critical Zone Observatory, with charred soil in the foreground.
Posted inScience Updates

Soil Signals Tell of Landscape Disturbances

by K. A. Lohse, S. A. Billings, R. A. DiBiase, P. Kumar, A. A. Berhe and J. Kaye 24 September 202022 November 2021

The lasting influence humans have on Earth’s critical zone—and how geologic forces have mediated those influences—is revealed in studies of soil and carbon migration.

Closeup of a bank, showing layers of vegetation, plant roots, and soil
Posted inScience Updates

Life Teems Below the Surface

by J. Chorover, E. Aronson, J. McIntosh and E. Roden 24 September 202022 November 2021

Scientists are resolving how plants, microbes, and lithology sculpt the structure of the critical zone.

An image of many trees planted along a cliff.
Posted inAGU News

Next Steps for the Critical Zone

by Heather Goss 24 September 202022 March 2022

In October, Eos examines a pivotal point for a field of science that’s starting to make a name for itself.

Stefan Klingler, Ian Gambill, Jackie Randell, Anna Marshall mix salt into water for an in-stream tracer test in Little Beaver Creek in northern Colorado.
Posted inOpinions

Demystifying Critical Zone Science to Make It More Inclusive

by Kamini Singha, P. L. Sullivan, L. Li and N. M. Gasparini 24 September 202022 March 2022

A new network that embraces scientists with wide-ranging experiences and expertise aims to solve the challenges of Earth’s critical zone.

Perspective looking upward from the base of a large tree
Posted inFeatures

Critical Zone Science Comes of Age

by P. Waldron 24 September 202022 March 2022

The developing field, which unites Earth scientists to examine the planet’s surface as a single, unified entity, is unraveling the complex, interconnected processes that support life on Earth.

Posted inOpinions

Taking the Pulse of the Earth's Surface Systems

by L. Larsen, E. Hajek, K. Maher, C. Paola, D. Merritts, T. Bralower, I. Montañez, S. Wing, N. Snyder, M. Hochella Jr., L. Kump and M. Person 2 December 201525 March 2022

As human activity alters the Earth's surface environment in unprecedented ways, a comprehensive survey campaign is necessary to predict future impacts.

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