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Red hot magma flows from within Earth to the surface at Hawaii’s Kīlauea volcano.
Posted inNews

Earth’s Lower Mantle Is Drier Than Previously Thought

by Saima May Sidik 11 August 202211 August 2022

Scientists have long known that the two layers of Earth’s mantle have different chemical compositions. Now, modeling shows that different water concentrations may keep them from mixing.

Un cielo rojo y anaranjado sobre Portland, Oregon
Posted inNews

El aire nocivo a la salud podría volverse rutinario en el Pacífico Noroeste

by Jenessa Duncombe 10 August 202210 August 2022

Si el mundo continúa utilizando combustibles fósiles, la contaminación por partículas finas derivadas del humo de incendios podría duplicarse de finales de verano a inicios de otoño en el área del Pacífico Noroeste en los EE.UU. para el año 2100.

Aerial view of the Colorado River
Posted inNews

Building Resilience in the Face of a Dwindling Colorado River

by Jane Palmer 5 August 20225 August 2022

Policymakers, industry and conservation professionals, and tribal members explore pathways to a sustainable future for the millions of people reliant on the “lifeblood of the American West.”

Cráteres en tierras deforestadas por minería ilegal en la tierra Indígena de Tenharim do Igarapé Preto, en el estado de Amazonas, Brasil.
Posted inNews

La minería amenaza a las poblaciones Indígenas aisladas del Amazonas

by Meghie Rodrigues 5 August 20225 August 2022

Un proyecto de ley en el Congreso Brasileño permitiría la expansión minera en territorios Indígenas. Una nueva investigación demuestra cómo esto podría afectar radicalmente a los pueblos aislados.

Scientists ride a boat on a lake in Greenland.
Posted inNews

Evidence of Drought Provides Clues to a Viking Mystery

by Korena Di Roma Howley 4 August 20224 August 2022

A persistent drying trend, not plunging temperatures, may have played a role in the unexplained disappearance of Norse settlers from Greenland, according to researchers.

Illustration of two spacecraft near the Moon, with Earth in the background.
Posted inNews

Moon’s Porosity Changes Cratering History, Study Says

by Damond Benningfield 3 August 20224 August 2022

Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.

A collage of Martian valley networks superimposed with channels on Earth. The shapes of the channels appear to be almost identical.
Posted inNews

Martian Glaciers May Have Carved Its Valleys

by Nola Taylor Tillman 2 August 20222 August 2022

Networks of valleys provide puzzling hints of running water on the surface of the Red Planet. New research suggests that some tributaries could have formed from icy sheets thousands of meters thick.

Illustration of wildfire and wetland forest during the end-Permian extinction interval.
Posted inNews

A Spike in Wildfires Contributed to the End-Permian Extinction

by Jackie Rocheleau 2 August 20222 August 2022

An upward trend in fossilized charcoal indicates that wildfires may have contributed to extinctions during the Great Dying.

The Black Forest stretches across a hilly landscape in southern Germany.
Posted inNews

Scientists Bring Forests into the Internet of Things

by Tim Hornyak 1 August 20221 August 2022

Armed with $10.5 million in funding, researchers will deploy novel sensors for real-time data assimilation and modeling of how changes in climate are affecting woodlands.

A panoramic image of a tall waterfall in a verdant and lush tropical valley. The waterfall is along the left side of the valley, and trees with bright green, dark green, and yellow leaves fill the valley floor and cover the valley walls. A grayish sky with mist is above the valley.
Posted inNews

Maui Endures More Drought and Drier Streams

by Kimberly M. S. Cartier 29 July 202229 July 2022

Drought continues to threaten Maui’s native land-based and marine ecosystems, water resources, and traditional ways of life. But conservationists have hope—and ways to fight back.

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From AGU Journals

MOST SHARED
Geophysical Research Letters
“Thermal and Illumination Environments of Lunar Pits and Caves: Models and Observations from the Diviner Lunar Radiometer Experiment”
By Tyler Horvath et al.

HIGHLY CITED
JGR Space Physics
“NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons and scientific issues”
By J. M. Picone et al.

HOT ARTICLE
JGR Biogeosciences
“Cyanobacteria and Algae Meet at the Limits of Their Habitat Ranges in Moderately Acidic Hot Springs”
By Kristopher M. Fecteau et al.


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