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Pacific Ocean

Two people, flanked by two observers, stand among a field of boulders, guiding a large hand drill through the length of a white fossilized coral.
Posted inNews

El Niño Varies More Intensely Now Than in the Past Millennium

by Luis Melecio-Zambrano 15 December 20221 February 2023

Researchers found evidence for a strengthening El Niño in living and fossilized Galápagos corals.

Satellite image of Earth showing the atmospheric plume blanketing the Pacific after the underwater eruption of Hunga Tonga–Hunga Ha‘apai
Posted inNews

Social Media Posts Reveal Human Responses to Deadly Tongan Eruption

by Erin Martin-Jones 14 December 202214 December 2022

Quantifying human responses to natural disasters could improve preparation for future threats, scientists say.

People in orange work suits crouch next to small clear cylinders with brown material inside.
Posted inNews

In the Deepest Ocean Reaches, a Potent Pollutant Comes to Rest

by Sean Cummings 9 December 20222 March 2023

Surprising amounts of mercury settling into deep-sea trenches may provide a fuller picture of the metal’s path through the environment, but pulling it to the surface is no easy feat.

Posted inEditors' Highlights

Respiration Quotient Variability and Ocean Oxygen Levels

by Eileen Hofmann 1 November 20221 November 2022

Respiration quotients in the Atlantic and Pacific Oceans reflect different water temperature, nutrient stress and phytoplankton community structure, important for regional carbon and oxygen cycling.

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.

Figure 2 from the paper, showing 3 diagrams.
Posted inEditors' Highlights

Asian Dust Flux into Philippine Sea Increased During Miocene

by Sarah Feakins 6 October 202226 January 2023

A new deep sea dust record from the Philippine Sea, when added to evidence from the NW Pacific, suggests how dust may record a change in dustiness or the position of wind transport.

Posted inEditors' Highlights

中新世输入菲律宾海的亚洲风尘增加

by Sarah Feakins 6 October 202226 January 2023

一项来自菲律宾海的新的深海风尘记录,结合西北太平洋已有记录的对比,展示了海洋风尘沉积如何记录大气粉尘通量或风力传输路径的变化。

View of a bay with buildings and vehicles in the foreground
Posted inFeatures

Seismic Sources in the Aleutian Cradle of Tsunamis

by Rob Witter, Rich Briggs, Tina Dura, Simon Engelhart and Alan Nelson 26 September 202226 September 2022

Research over the past decade in Alaska’s Aleutian Islands has offered surprising insights into the pulses of great earthquakes that generate dangerous, often long-distance tsunamis.

An image of fish and bubbles in the ocean
Posted inResearch Spotlights

Short-Term Events Can Shrink the Habitable Zone in Oceans

Sarah Derouin, Science Writer by Sarah Derouin 12 August 202212 August 2022

A new study looks at habitat reduction during low-oxygen events, spurring the question, Could short-term events provide a window into the long-term health of oceans?

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

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Features from AGU Publications

Research Spotlights

Understanding Flux, from the Wettest Ecosystems to the Driest

24 November 202524 November 2025
Editors' Highlights

Avoiding and Responding to Peak Groundwater

25 November 202525 November 2025
Editors' Vox

Echoes From the Past: How Land Reclamation Slowly Modifies Coastal Environments

19 November 202519 November 2025
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