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currents

A beach crowded with people
Posted inNews

Melting Ice in the Polar North Drives Weather in Europe

Katherine Kornei, Science Writer by Katherine Kornei 28 March 202428 March 2024

Influxes of meltwater into the North Atlantic eventually lead to warmer and drier conditions over Europe.

A bed of sand underwater.
Posted inNews

Mars as a Driver of Deep-Sea Erosion

by Grace van Deelen 25 March 202426 March 2024

An analysis of breaks in deep-sea sediment links the geological record to a 2.4-million-year cycle that heats Earth and ventilates our oceans.

Ocean eddies swirl across a coastal stretch in the North Atlantic Ocean.
Posted inNews

Mapping the Ocean’s Motion Energy

by Veronika Meduna 5 March 20245 March 2024

The ocean is a central component of Earth’s climate system. But it is in perpetual motion, and understanding the transfer of kinetic energy is key to better ocean models.

A satellite image of a chain of islands. The ocean looks glossy and mirrorlike, with a large ripple expanding upward from between two of the landmasses.
Posted inResearch Spotlights

Step Aside, Internal Tides: Supercomputer Modeling Improves Satellite Altimetry Precision

by Rebecca Owen 26 February 202426 February 2024

New supercomputer models can provide valuable information about the ocean’s layers and movements, particularly slow moving features such as eddies and currents.

Schematic diagram from the study.
Posted inEditors' Highlights

How Nutrients Get Back Up to the Surface Ocean

by Nicolas Gruber 10 January 20248 January 2024

A new dual isotope tracer technique is used to assess the role of a number of poorly understood nutrient supply mechanisms fueling biological productivity in the ocean.

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.

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.

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.

Artist’s depiction of a large blue and gold satellite suspended far above Earth’s surface
Posted inResearch Spotlights

Machine Learning Provides a Clearer Window into Ocean Motion

Sarah Stanley, Science Writer by Sarah Stanley 17 October 202317 October 2023

A new method could translate satellite information about sea surface heights into insights on current, heat flow, and—ultimately—climate change.

A photo taken from a red ship next to waters with abundant sea ice
Posted inNews

Meltwater from Antarctic Glaciers Is Slowing Deep-Ocean Currents

by Veronika Meduna 26 July 202326 July 2023

Antarctic ice drives crucial deep-ocean currents that help regulate Earth’s climate. But the system is slowing down.

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Coverage Factors Affect Urban CO2 Monitoring from Space

12 June 202512 June 2025
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Rising Concerns of Climate Extremes and Land Subsidence Impacts

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