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CC BY-NC-ND 2019

Image of orange sun above hazy Tokyo cityscape
Posted inNews

Heat Waves Born of Earth and Sky

Richard Sima, freelance science writer by Richard J. Sima 20 December 201915 October 2021

Researchers use computer simulations to uncover the significant contributions that dry soil and atmospheric wind patterns make to major heat waves.

Aerial photo of the white and blue ice of the Thwaites ice shelf
Posted inNews

What Lies Beneath Is Important for Ice Sheets

Sarah Derouin, Science Writer by Sarah Derouin 19 December 201926 January 2023

New research reconstructing the topography of Antarctica shows that the continent has 25% less land above sea level than when ice first started to accumulate 34 million years ago.

Black-and-white photo of a rubble-filled city street and a queue of people filing out
Posted inNews

Finding Faults in Our Past: Uncovering the Messina Earthquake

Sarah Derouin, Science Writer by Sarah Derouin 19 December 20198 December 2022

The source of the deadly 1908 Italian earthquake may finally be identified, thanks to a fresh look at the geomorphology of the Strait of Messina.

The drillship Vidar Viking sits amid Arctic sea ice during the International Ocean Discovery Program’s Arctic Coring Expedition in 2004.
Posted inResearch Spotlights

Reconstructing 150 Million Years of Arctic Ocean Climate

by David Shultz 18 December 201926 January 2023

A new summary of past Arctic climate conditions gives insight into anthropogenic influences on today’s climate and on the need for future drilling studies to further improve our understanding of the past.

Controlled burn in a sagebrush ecosystem in Hart Mountain National Antelope Refuge in southeastern Oregon
Posted inScience Updates

Rating Fire Danger from the Ground Up

by M. R. Levi, E. S. Krueger, G. J. Snitker, T. Ochsner, M. L. Villarreal, E. H. Elias and D. E. Peck 17 December 201929 September 2021

Soil moisture information could improve assessments of wildfire probabilities and fuel conditions, resulting in better fire danger ratings.

A sea otter in the water with bull kelp
Posted inNews

Will Melting Sea Ice Expose Marine Animals to New Diseases?

Rachel Crowell, Science Writer by Rachel Crowell 16 December 20199 September 2024

Marine mammals previously separated by Arctic ice may have more opportunities to interact as water routes redefine habitats and species ranges.

Four charts showing optimal habitats in the floodplain for different stream insects.
Posted inEditors' Highlights

Hydropower and Bugs

by E. Wohl 16 December 201928 February 2023

Alpine hydropower plants commonly flush sediment that accumulates at intakes, but the associated rapid rise in discharge, turbidity, and streambed instability put aquatic insects at risk.

Charts showing seasonal cycles of events caused by precipitation on snow
Posted inEditors' Highlights

Atmospheric Rivers Trigger Heavy Snowmelt in Western USA

by Valeriy Ivanov 13 December 201930 January 2024

A rare atmospheric phenomenon that transports large quantities of water vapor into the coastal watersheds of the western USA is responsible for up to 10–20% of intense snowmelt events in the region.

Aerial photo of a desert road offset by 2.5 meters
Posted inFeatures

Scientists Scramble to Collect Data After Ridgecrest Earthquakes

Katherine Kornei, Science Writer by Katherine Kornei 11 December 20196 October 2021

Ground shaking in Southern California, including a magnitude 7.1 temblor, triggered a massive mobilization effort to collect seismological, geological, and geodetic data.

Photo of outcrop of the Loma Blanca fault-damage zone in New Mexico, USA
Posted inEditors' Highlights

What Controls How Quickly Faults Heal?

by S. D. Jacobsen 11 December 20196 October 2021

The rates at which fault zones “heal” through secondary mineralization have been elusive, but uranium-thorium dating of calcite growth in fault-zone fractures may provide the answer.

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