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Oceans

Carbonate gravels up to boulder size (with human scale) are scattered on the seaward side of the island. Mangroves were planted and propagated.
Posted inNews

A Philippine Island Detective Story

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 11 December 202311 December 2023

Researchers snorkeled, drilled, profiled, mapped, and interviewed to unlock clues to how an island was born.

Visualization of the Kuroshio current.
Posted inEditors' Highlights

Nutrients at Depth Can Be Uplifted by the Kuroshio Large Meander

by Takeyoshi Nagai 8 December 20238 December 2023

Aperiodic, southward deflection of the Kuroshio, a.k.a. the Kuroshio large meander, uplifts the nutrients in deep layers to induce offshore phytoplankton bloom.

Side view of the ocean surface.
Posted inNews

An Electrifying Approach to Carbon Capture

by Bill Morris 7 December 20237 December 2023

A new sodium-ion “battery” promises an environmentally friendly method of sequestering carbon in the ocean, but experts remain cautious.

Diagram from the study.
Posted inEditors' Highlights

ENSO Variations Modulate the Kuroshio in the East China Sea 

by Takeyoshi Nagai 7 December 20236 December 2023

Recent warm El Niño Southern Oscillation events strengthened winds over the western Subtropical North Pacific, leading to planetary waves with cyclonic eddies, weakening the Kuroshio in the East China Sea.

A group of East African people outdoors, sorting through large white bags of food with USAID labels.
Posted inResearch Spotlights

Ocean Warming Sets the Stage for Dangerous but Predictable East Africa Droughts

by Saima May Sidik 6 December 202313 March 2024

Scientists have uncovered a connection between temperature gradients in the Pacific Ocean and deadly but predictable consecutive dry spells in East Africa.

A boxy remotely operated vehicle is lowered by crew in yellow hard hats into the ocean off CCGS Amundsen.
Posted inNews

Local Fishers Help Uncover Coral Clinging to Underwater Cliffs

by Andrew Chapman 6 December 20236 December 2023

Their knowledge led to more accurate seafloor maps and a hidden trove of biodiversity in the Labrador Sea.

A colorful bathymetric image of the seafloor, in which the points at highest elevation are red and the points at lowest elevation are dark blue.
Posted inResearch Spotlights

Seafloor Shapes on the Flanks of Mid-Ocean Ridges Linked to Magma Supply

by Rebecca Owen 5 December 202312 January 2024

New research suggests the source of morphologic variation on mid-ocean ridges might be deeper than scientists thought.

Illustration of vertical nutrient and organic carbon profiles.
Posted inEditors' Vox

Ocean Deserts Could Help Capture CO2 and Mitigate Global Warming

by Minhan Dai, Ya-Wei Luo, Hongyang Lin, Eric P. Achterberg, Thomas J. Browning, Matthew J. Church, Zhongping Lee and Wei-Lei Wang 1 December 20234 December 2023

Various nutrient sources in the upper waters of oceanic subtropical gyres, which are the Earth’s largest oligotrophic ecosystems, play a crucial role in governing the sequestration of atmospheric CO2.

Hurricane Lee in the Atlantic Ocean, south of Bermuda
Posted inNews

Atlantic Hurricanes Are Intensifying Faster

by Nathaniel Scharping 1 December 20231 December 2023

Warmer waters and other factors are allowing Atlantic hurricanes to grow stronger faster.

A colorful bathymetric image of the Minami Kasuga seamount, with the highest parts of the mountain in red and the lowest parts in blue
Posted inResearch Spotlights

Subducted Seamounts May Lead to Larger Earthquakes

by Nathaniel Scharping 30 November 202330 November 2023

New findings show that underwater mountains may increase friction along subduction zones, building up stress and making larger ruptures more likely.

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