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soils

Frost covers branches on trees lining a field in Oulu, Finland.
Posted inResearch Spotlights

Predicting the Next Big Frost Quake

by J. Pinson 30 October 202016 February 2022

Frost quakes occur in boreal regions when rapidly expanding ice underground causes frozen soils to fracture. A recent frost quake in Finland has given scientists a rare look into how they form.

A drone hovers over a spring in Fitchburg, Wis.
Posted inNews

Taking an Aerial View Underground

by Jady Carmichael 6 October 20208 September 2022

Wisconsin geologists are testing using drones equipped with thermal cameras to measure shallow soil depths in areas prone to groundwater contamination.

Cityscape of Long Island City, New York
Posted inNews

Leaded Soil Endangers Residents in New York Neighborhoods

by M. Stonecash 29 September 20208 September 2022

New research documents dangerously high levels of lead in the soils of New York City parks and growing communities.

Irrigation machinery sprays water on the green vegetation of a mango farm in South Africa.
Posted inNews

Minireservorios Podrían Salvar a Agricultores con Suelos Arenosos

Kate Wheeling, freelance science writer by Kate Wheeling 28 September 202031 October 2022

Una tecnología de retención de agua subterránea recientemente reactivada podría conservar el agua y aumentar drásticamente el rendimiento de los cultivos en paisajes áridos con suelos arenosos como el África Subsahariana.

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.

Prototype structure made from the soil-based concrete replacement
Posted inNews

Using Dirt to Clean Up Construction

by Jackie Rocheleau 22 September 202011 January 2022

The construction industry is one of the world’s largest emitters of carbon dioxide. Whether it can reduce those emissions depends on replacing its most common building material.

3 maps showing accumulation of sediment and organic material in coastal Louisiana
Posted inEditors' Highlights

Coastal Sediment Deficit Appears Smaller Than Previously Thought

by Ton Hoitink 4 September 202024 February 2022

With a deficit of sediment needed to compensate for relative sea level rise, a new study demonstrates that organic material cannot be ignored in evaluating mass and volume accumulation rates.

Four plots showing production of greenhouse gases during laboratory incubations in organic soils and mineral soils, with and without nitrogen addition.
Posted inEditors' Highlights

Downhill from Here: Landscape Positions and Greenhouse Emissions

by W. M. Hammond 5 August 202011 August 2022

In comparing soils from two tundra wetland landscape positions, landscape position is found to matter, and toeslopes are associated with higher greenhouse gas production.

Schematic showing hypothesized feedbacks of soil warming, the ability of soil to buffer warming, and the amount of water soil can hold
Posted inEditors' Highlights

Soil Remains Warmer and Drier After Long-term Warming Stops

by W. M. Hammond 23 July 202022 March 2023

Pausing a long-term soil warming experiment revealed that previously warmed plots remained both warmer and drier compared to plots which had not experienced previous soil warming.

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