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soils

A new study reevaluates a theory behind the mysterious “fairy rings” that vegetation can form in certain environments
Posted inResearch Spotlights

Mysterious "Fairy Circles" Continue to Enchant Scientists

by S. Witman 5 April 201725 October 2022

Researchers revisit an old theory about the ethereal patterns of vegetation that form in some arid landscapes.

Sendai Airport following magnitude 9.0 earthquake and tsunami in March 2011.
Posted inNews

Tsunamis Leave a Telltale Chemical Trail

Katherine Kornei, Science Writer by Katherine Kornei 12 January 201717 October 2022

Researchers follow a trail of organic compounds in soil that reveals the 2011 Tohoku tsunami's path over the Japanese coastline, providing clues to how often tsunamis recur and where they travel.

Crews work on a relief well at California’s Aliso Canyon gas field after a leak that began in December 2015.
Posted inNews

Soil Bacteria Could Help Absorb Natural Gas Leaks

Aaron Sidder, freelance science writer by Aaron Sidder 14 December 201618 May 2022

For the first time, new research examines the response of terrestrial soil microbes to a massive natural gas blowout and offers hope for new remediation strategies.

Thermokarst hills
Posted inNews

Map Reveals Hot Spots for Arctic Greenhouse Gas Emissions

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 17 October 20165 October 2022

By bringing together data on permafrost stability, soils, and other Arctic conditions, scientists have plotted where permafrost is vulnerable to collapse, which could release long-stored carbon.

Soil profile in East Fork Poplar Creek in Oak Ridge, Tenn., shows physical and biological complexity and the susceptibility of soils to erosion.
Posted inScience Updates

Advancing Soil Carbon Cycle Science

by M. A. Mayes, K. Lajtha and V. Bailey 12 August 201623 February 2023

Workshop to celebrate 2015–2024 International Decade of Soil; Boulder, Colorado, 14–16 March, 2016

Carbon dioxide frost presence at sunrise on Mars integrated over 1 year; note CO2 frost at low latitudes.
Posted inResearch Spotlights

Carbon Dioxide Frost May Keep Martian Soil Dusty

by David Shultz 8 July 201612 October 2022

Temperature readings acquired from orbit show that Mars's surface gets cold enough at night to allow layers of solid carbon dioxide frost up to several hundred micrometers thick to build up near the equator.

Portion of a photo taken by NASA's Curiosity rover while traversing the Kimberly formation on its journey south toward the center of Gale Crater.
Posted inResearch Spotlights

Curiosity Sends Curious Water Data from Mars

Sarah Stanley, Science Writer by Sarah Stanley 8 June 201624 April 2024

The rover's neutron spectroscopy instrument hints at an unexpected trend: The upper soil levels in the layers of Gale Crater's Kimberley formation seem to hold more water-associated hydrogen.

Watershed
Posted inResearch Spotlights

How Much Dissolved Mercury Is Present in Streams?

by Terri Cook 10 May 201616 February 2022

The results of a new study suggest that an improved understanding of the processes mobilizing mercury in soils will be necessary to predict water quality impacts.

Negev-dune-field-sediment.jpg
Posted inScience Updates

Seeking Knowledge in the Dust

by O. Crouvi, R. Amit and Y. Enzel 8 April 20162 February 2022

The Batsheva de Rothschild Seminar on Atmospheric Dust, Dust Deposits (Loess) and Soils in Deserts and Desert Fringe: The Sahara-Sinai-Negev as an Analogue for the Global Arid Regions; Jerusalem and the Negev Desert, 14–19 October 2015

Posted inResearch Spotlights

Permafrost Area Is Sensitive to Key Soil and Snow Physics

by David Shultz 11 March 20161 March 2023

Accounting for key soil and snow variables shows a much higher impact on simulated permafrost area than uncertainties in land cover and climate data.

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