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River flow paths in Iceland derived from HydroSHEDS.
Posted inAGU News

Charting Paths to New Knowledge

by Heather Goss 20 May 202220 May 2022

In our June issue of Eos, we home in on the unique ways researchers are using maps to better understand Earth and beyond.

Autonomous underwater vehicle being loaded onto a ship
Posted inNews

Groundwater Flow May Contribute to Submarine Permafrost Thaw

by Jack Lee 18 May 202218 May 2022

New, detailed surveys from the Beaufort Sea reveal a seafloor depression the size of a city block associated with permafrost thaw and likely influenced by the movement of groundwater below.

A tarnished copper water pipe and spigot with dripping water sits in front of a blurred green outdoor background.
Posted inNews

Uranium Detected in Latinx Communities’ Water Systems

by Kimberly M. S. Cartier 21 April 202221 April 2022

The unsafe contaminant levels could not be attributed to differences in regional geology, water source, or community size. Researchers suggest they are due to a failure of regulatory policy.

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 May 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.

Green trees and low shrubs in the middle of a forest burn in a fire. The fire burns primarily in the center of the image with a few smaller fires seen in the background and around the edges of the image. The entire image is viewed through a haze of smoke.
Posted inNews

U.S. Fires Quadrupled in Size, Tripled in Frequency in 20 Years

by Kimberly M. S. Cartier 8 April 202225 April 2022

Changes including intensifying drought, expansion into burnable land, and an increase in human-caused ignitions have led to a shift in fire patterns.

La pirámide del Sol en Teotihuacan al frente con un cerro y el cielo despejado detrás.
Posted inNews

Mapeando el pasado, presente y futuro de Teotihuacan

by Humberto Basilio 14 March 202216 March 2022

Un nuevo proyecto con tecnología lidar revela cómo la minería y la expansión urbana han puesto en riesgo a uno de los sitios del patrimonio cultural más icónicos de México.

Four Black people sit in a small motorized boat as it moves up a flooded street toward prefabricated and mobile homes. The boat is near the bottom right of the image and is pointed toward center-left. All four people face away from the viewer. The sky is blue but mostly clouded over.
Posted inNews

Black Neighborhoods Will Bear Future Flood Burden

by Kimberly M. S. Cartier 4 March 20224 March 2022

Climate change, shifting populations, and infrastructure development in risky areas compound future flood loss risk.

A DAS array captures a series of earthquakes and aftershocks that shook the Ridgecrest area in Southern California in 2019.
Posted inResearch Spotlights

Fiber-Optic Cables Can Produce High-Resolution Underground Maps

by Jack Lee 15 February 202216 February 2022

Telecom fiber repurposed as distributed acoustic sensing arrays can image near-surface structure and potentially improve seismic hazard mapping in urban areas.

A sunset over the ocean is seen through rope netting on a ship
Posted inScience Updates

Mapping a River Beneath the Sea

by Sebastian Krastel and David C. Mosher 28 January 202220 May 2022

A recent expedition mapped one of the world’s longest submarine channels, revealing previously undiscovered physical features and raising questions about its unusual origin and shape.

The Pyramid of the Sun at Teotihuacan
Posted inNews

Mapping Teotihuacan’s Past, Present, and Future

by Humberto Basilio 6 January 202221 March 2022

A new lidar project reveals how mining and urban expansion have put one of Mexico’s most iconic cultural heritage sites at risk.

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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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“International Reference Ionosphere 2016: From ionospheric climate to real-time weather predictions”
By D. Bilitza et al.

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“Exploring Ocean Circulation on Icy Moons Heated from Below”
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