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Pacific Ocean

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.

Figure showing first transect of radiocarbon in DOC with depth below the ocean surface in the Pacific Ocean, as a function of latitude
Posted inEditors' Highlights

Pacific Carbon Ages During Long Journey Along Ocean Floor

by Rose Cory 4 June 201927 September 2022

The radiocarbon signal of DOC with depth across the Pacific Ocean basin effectively supports a number of important theories that have been suggested over the years.

A map showing vertical motions in southwest Japan 7 years after the 1946 Nankai earthquake
Posted inResearch Spotlights

Déjà Vu: Understanding Subduction Zones’ Cycle of Seismicity

by Terri Cook 3 June 201918 January 2022

A unique geodetic data set from Japan’s Nankai subduction zone offers an unparalleled opportunity to study surface deformation spanning almost an entire seismic cycle.

Satellite image of a collapsed storm over atolls
Posted inResearch Spotlights

Pacific Carbon Uptake Accelerating Faster Than Expected

by E. Underwood 29 May 201911 August 2022

A new study suggests that shifting ocean currents drive faster carbon dioxide uptake.

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As Simple as Possible: The Importance of Idealized Climate Models

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