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Oceans

Posted inEditors' Highlights

Marine Molybdenum Loss During the Toarcian Ocean Anoxic Event

by Nicolas Gruber 7 January 202327 January 2023

The reconstructed loss of molybdenum during the Toarcian ocean anoxic event suggests deeply anoxic conditions during this time period allowing massive amounts of organic carbon being buried.

Illustration of NASA’s Cassini spacecraft diving through the plume of Saturn’s moon Enceladus in 2015
Posted inFeatures

Marine Science Goes to Space

Damond Benningfield, Science Writer by Damond Benningfield 4 January 202325 September 2023

Space and ocean scientists take a splash course in multidisciplinary science to chart our solar system’s ocean worlds.

Una vista del Ártico congelado vista desde una elevación moderada. El paisaje contiene estanques de agua derretida distribuidos aleatoriamente. Cuatro científicos, pequeños y vistos desde la distancia, se paran sobre el hielo en la parte derecha de la imagen.
Posted inNews

El derretimiento del hielo marino del océano Ártico potencia las mareas

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 January 202327 January 2023

Si el cambio climático anula el ciclo estacional de hielo y deshielo, se desencadenaría un ciclo de retroalimentación de derretimiento del hielo marino en algunas partes del Ártico canadiense.

Posted inEditors' Highlights

Differential Evolution of the Pacific Oxygen Minimum Zones

by Nicolas Gruber 29 December 202229 December 2022

The latest generation of Earth System models simulate an expansion of the oxygen minimum zones in the Pacific, but their inner core, where oxygen levels drop to near zero, contracts in the future.

A drone hovers over a beach.
Posted inNews

Drones Make Weather Prediction Easier at the Poles

by Andrew Chapman 23 December 202223 December 2022

Researchers measured wind speed with a commercially available drone and a lightweight sensor. The approach could help scientists gather more data from remote environments.

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.

A map of the world centered on the Pacific Ocean, with continents in gray and oceans in white. Lines of bright colors cross the oceans and wind around continents, depicting the locations of transoceanic subsea cables.
Posted inNews

Making Underwater Cables SMART with Sensors

by Alka Tripathy-Lang 12 December 202212 December 2022

Future cables that stretch across the ocean, transmitting cat videos and financial transactions, could also contain temperature, pressure, and seismic sensors that would allow scientists to spy on the seafloor.

White outline of world continents against a black backdrop. Purple and yellow lines connect some points.
Posted inNews

Spurring Ocean Research with Open Data

by Robin Donovan 9 December 202210 December 2022

Ocean data abound, but accessing them is a challenge, making tackling climate change difficult. One nonprofit is trying to compile them.

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.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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