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California

An aerial view of the skyline of Los Angeles.
Posted inNews

Reaching New Levels in Groundwater Monitoring

by Caroline Hasler 3 November 20223 November 2022

As regions around the world face record-breaking droughts, researchers are using seismology to track groundwater levels and show that sustainable policies reduce strain on aquifers.

Drone footage of a blue whale surfacing to breathe off the coast of California.
Posted inNews

Scientists Tune In to Blue Whale Feeding Rhythms

by Bill Morris 26 October 20226 December 2022

New acoustic sensing technology is allowing scientists to track blue whale movements in real time, a breakthrough that could help save whales’ lives.

Sandbags of wildfire debris are spread on Goleta Beach, Calif.
Posted inNews

Managing Mudslide Debris After Fires

by Robin Donovan 14 October 202214 October 2022

California officials faced a conundrum in dealing with mudslides after the Thomas Fire.

A steplike fracture in the soil in the foreground of a vineyard
Posted inResearch Spotlights

Slight Shifts in Magnetic Field Preceded California Earthquakes

Joshua Learn, Science Writer by Joshua Rapp Learn 6 October 20226 October 2022

Magnetometers detected faint signals that with further study, may improve our understanding of what happens before earthquakes and offer promise for early detection.

Posted inEditors' Highlights

A Burning Issue

by David S. Schimel 8 August 202222 December 2022

California has lost 7% of its forest cover to climate change over the past 25 years.

Aerial photo of San Andreas Fault.
Posted inResearch Spotlights

How Land Deformation Occurs When Fault Sections Creep

Sarah Derouin, Science Writer by Sarah Derouin 1 July 20221 July 2022

Using a physical experiment, researchers show how off-fault deformation occurs along strike-slip faults with different types of motion.

Aerial image of the California Aqueduct
Posted inResearch Spotlights

Assessing Water Infrastructure Investments in California

by Terri Cook 4 May 20224 May 2022

Exploratory modeling in California’s Central Valley indicates that evaluating the costs, benefits, and risks to individual providers is necessary to ensure the viability of future water projects.

Aerial view created of a forest with lidar—with trees artificially colored in many colors—as well as buildings and open spaces in part of Yosemite National Park
Posted inFeatures

A Lidar’s-Eye View of How Forests Are Faring

by Van R. Kane, Liz Van Wagtendonk and Andrew Brenner 29 April 202222 December 2022

Success in Yosemite is driving the wider use of lidar surveys to support forest health and wildfire resilience, study wildlife habitats, and monitor water resources.

Netravati River in Karnataka, India
Posted inNews

A New Index to Quantify River Fragmentation

Rishika Pardikar, Science Writer by Rishika Pardikar 27 April 202220 March 2023

Researchers have developed a new analysis based on a river’s catchment area as opposed its length.

Photo of gray dirt hill covered with burnt trees.
Posted inNews

Forest Fires Could Boost Western U.S. Water Supplies

by Jennifer Schmidt 21 February 202222 February 2022

Streamflow in the West has been below average since the early 2000s, but a new analysis shows that streams aren’t as dry as expected.

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Features from AGU Publications

Research Spotlights

Early Apes Evolved in Tropical Forests Disturbed by Fires and Volcanoes

12 June 202511 June 2025
Editors' Highlights

Coverage Factors Affect Urban CO2 Monitoring from Space

12 June 202512 June 2025
Editors' Vox

Rising Concerns of Climate Extremes and Land Subsidence Impacts

9 June 20254 June 2025
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