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Pacific Ocean

Crashing ocean waves create sea spray
Posted inResearch Spotlights

Oceans Vented Carbon Dioxide During the Last Deglaciation

Kate Wheeling, freelance science writer by Kate Wheeling 1 November 20193 July 2023

A new boron isotope record from South Pacific marine sediments offers a more complete picture of ocean-atmosphere carbon dioxide exchange during the late Pleistocene.

Underwater photo of bleached staghorn coral
Posted inNews

A Key to Coral Bleaching Events? Location, Location, Location

Hannah Thomasy, Science Writer by Hannah Thomasy 29 October 201927 March 2023

New research indicates that longitude, as well as warming waters, may be a key predictor of coral bleaching events.

Four petri dishes filled with gravel
Posted inNews

Gravel Gives Clues to the Strength of Paleotsunamis

Sarah Derouin, Science Writer by Sarah Derouin 9 October 20193 November 2021

The roundness of sediment deposits may shed light on how big tsunamis were in the past and how to evaluate hazards in the future.

Satellite image of a pumice raft floating in the ocean
Posted inNews

Volcanic Eruption Creates Temporary Islands of Pumice

Katherine Kornei, Science Writer by Katherine Kornei 6 September 201918 January 2022

Rafts of pumice, spewed from an undersea volcano, recently appeared in the South Pacific. These transient, movable islands are important toeholds for marine life like barnacles, coral, and macroalgae.

Long-distance swimmer Ben Lecomte
Posted inNews

Great Pacific Garbage Patch Swim Nears Conclusion

by Randy Showstack 30 August 20193 November 2021

Long-distance swimmer Ben Lecomte seeks to raise awareness about plastic pollution in the ocean.

Diagram of oxygen concentrations at 350 meters depth that shows the oxygen deficient zone, or shadow zone, in the eastern tropical North Pacific Ocean
Posted inResearch Spotlights

How the Ocean’s “Shadow Zone” Breathes

by E. Underwood 28 August 201922 December 2021

A new study uses Argo floats and an ocean circulation model to track the sources supplying pulses of oxygen to the deep North Pacific.

Color map of sea surface temperatures in the northwest Pacific
Posted inEditors' Vox

The Kuroshio Current: Artery of Life

by Takeyoshi Nagai 27 August 20199 November 2022

The waters of the Kuroshio Current in the northwestern Pacific Ocean transport heat, salt, and organic and inorganic matter from south to north, shaping the ocean ecosystem.

An instrument with many sampling tubes is pulled out of the ocean at Station ALOHA. The samples will be analyzed for nutrient content, microbial diversity, and metabolic activity.
Posted inNews

Far-Flung Dust Storms Deliver Nutrient Boosts to North Pacific

Mary Caperton Morton, Science Writer by Mary Caperton Morton 22 July 20191 February 2023

Barren marine deserts bloom seasonally with iron infusions from Asian dust storms.

Mushroom cloud from a nuclear test over the Pacific Ocean
Posted inNews

Marshall Islands Nuclear Contamination Still Dangerously High

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 16 July 201928 February 2022

Today’s radiation levels at some locations were higher than in areas affected by the Chernobyl and Fukushima nuclear disasters.

Figure showing earthquake tremor locations
Posted inEditors' Highlights

Shallow Low Frequency Tremors in Japan Trench

by G. P. Hayes 14 June 20196 December 2021

A new seafloor seismic network detected low-frequency tremor on the subduction zone interface offshore northern Japan, indicating regions of slow slip in close proximity to shallow megathrust events.

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The Geomagnetic Polarity Time Scale Revisited Once Again

22 October 202622 October 2026
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Opening Access to Earth Observation Data for Disaster Mitigation

21 October 202620 October 2026
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