Hazards & Disasters Archives - Page 65 of 181

Yosemite National Park ecosystem featuring a stream, trees, and snow-covered hillslope.

What Drives Hillslope Connectivity?

by Aaron Sidder 23 August 202223 August 2022

Hillslopes play a critical role in linking ecosystems. Understanding the forces that drive their connections can help us to better understand adaptation in the face of climate change.

Dynamic map of the east coast of the United States that uses color gradient to show changes in NO2 changes during the pandemic.

Editors' Vox

Using Data to Mitigate Inequitable Environmental Burdens

by Susan Anenberg, Qian Xiao, Gaige Kerr and Jayajit Chakraborty 17 August 202210 January 2023

A new transdisciplinary special collection welcomes studies exploring data and tools for identifying and mitigating environmental injustice.

A diagram and a graph showing how ocean island eruptions are much more likely to exhibit SO2 degassing and deformation.

Editors' Highlights

Why Do Arc Volcanoes Deform Less Than Ocean Island Volcanoes?

by Paul Asimow 15 August 202215 November 2022

Volcanic ground deformation is not simply correlated with erupted volume. Researchers propose that high concentrations of magmatic volatiles make systems more compressible and suppress deformation.

A global map of subduction zones. The Mariana Trench is near the center with a zoomed-in image of bathymetry.

Research Spotlights

Deep Earthquakes Suggest Well-Hydrated Mariana Subduction Zone

by Morgan Rehnberg 10 August 20222 March 2023

Earthquakes as deep as 50 kilometers below the seafloor were detected by 12 ocean bottom seismometers placed around the Challenger Deep.

Editors' 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.

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.

News

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.

Two maps of the study region displaying earthquake depth as colored dots.

Editors' Highlights

Aftershocks Reveal Coseismic Rupture of Megathrust Earthquakes

by Agnes Helmstetter 28 July 202221 September 2022

More accurate aftershock zones reveal that the rupture areas of megathrust Aleutian–Alaska earthquakes are larger than we thought and partly overlap, in contradiction with the seismic gap hypothesis.

Diagrams showing the model fields used in the study.

Editors' Highlights

Landfalling Hurricanes Intensify Due to Coastal Downwelling

by Suzana Camargo 26 July 202221 September 2022

Hurricane winds can lead to coast downwelling, which brings warmer surface water near the coast and can contribute to the intensification of the landfalling hurricane.