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remote sensing

Posted inNews

Una nueva pista sobre el colapso de la plataforma de hielo antártica

by Jenessa Duncombe 10 May 202210 May 2022

Un tipo particular de tormenta coincidió con 13 de los 21 eventos recientes de desprendimiento en la Antártida.

Posted inNews

A New Clue to Antarctic Ice Shelf Collapse

by Jenessa Duncombe 22 April 202210 May 2022

A particular kind of storm coincided with 13 of the 21 recent calving events in Antarctica.

Satellite image of the Mississippi River near Memphis, Tenn., with a false-color overlay
Posted inScience Updates

A Sharper Look at the World’s Rivers and Catchments

by Bernhard Lehner, Achim Roth, Martin Huber, Mira Anand and Michele Thieme 12 April 202220 April 2022

Digital hydrographic maps have transformed global environmental studies and resource management. A major database update will provide even clearer and more complete views of Earth’s waterways.

Maps of debris flow similarity index (DFSI) and the corresponding lengths of those debris flow channel segments.
Posted inEditors' Highlights

Debris Flows Keep the Landscape on the Straight and Narrow

by Adam Booth 6 April 20223 May 2022

New methods for identifying debris flow-shaped channels improve hazard quantification and highlight how high uplift rates and fractured bedrock facilitate debris flow-dominated landscape evolution.

A boreal forest sits at the base of Alaska’s snowcapped mountains with a stream in the foreground.
Posted inNews

Satellites Reveal Slow Shift of the Entire Boreal Biome

by Saima Sidik 5 April 20225 April 2022

According to a new study, warmer temperatures and high soil nitrogen levels are causing Earth’s largest land biome to advance northward.

Aerial view of an ice stupa in Ladakh, India.
Posted inNews

Ice Towers May Hold Promise—and Water—for Some Cold, Dry Places

by Carolyn Wilke 1 April 20221 April 2022

A new study that cues into the formation of ice cones for storing glacial meltwater reveals how the structures can be built more efficiently and which climatic conditions work best.

Nighttime photo of a firefighter holding a hose and spraying water on the Caldor Fire in California.
Posted inNews

Warmer Nights Are Adding Fuel to Nighttime Fires

by Jennifer Schmidt 28 March 202228 March 2022

Cool, moist nights are rarer than they were a few decades ago, and that’s giving wildfires an edge over crews trying to hold fire lines.

Posted inNews

El sorprendente alcance de las gigantescas ondas atmosféricas de Tonga

by Jenessa Duncombe 1 February 202226 April 2022

Los resultados empiezan a llegar: Científicos de alrededor del mundo explican las gigantescas ondas atmosféricas que emanaron de la erupción del volcán Hunga Tonga-Hunga Ha’apai.

Posted inNews

The Surprising Reach of Tonga’s Giant Atmospheric Waves

by Jenessa Duncombe 21 January 202226 April 2022

Results are beginning to pour in: Scientists around the globe explain the massive atmospheric waves that emanated from the Hunga Tonga–Hunga Ha’apai eruption.

Satellite topography map of central Amazon floodplain.
Posted inEditors' Vox

Amazon Water Cycle Observed from Space

by Alice Fassoni-Andrade, Fabrice Papa, Rodrigo Paiva, Sly Wongchuig and Ayan Fleischmann 13 January 202218 January 2022

Satellite observations offer invaluable insights into hydrological processes and environmental change in the Amazon.

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From AGU Journals

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Geophysical Research Letters
“Climate Change Drives Widespread and Rapid Thermokarst Development in Very Cold Permafrost in the Canadian High Arctic”
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“Vegetation modeled as a water cloud”
By E. P. W. Attema,  Fawwaz T. Ulaby

HOT ARTICLE
Geophysical Research Letters
“Numerical Simulation of Atmospheric Lamb Waves Generated by the 2022 Hunga-Tonga Volcanic Eruption”
By Angel Amores et al.

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