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Oceans

Long tentacles of a Relicanthus stream above the seafloor
Posted inNews

Deep-Sea Mining May Have Deep Economic, Environmental Impacts

by James Dacey 3 August 202024 April 2025

A new report supports the creation of a compensation fund for nations that rely on terrestrial mining, but it fails to dispel environmental concerns over deep-sea mining.

Coral reef
Posted inEditors' Vox

Understanding Alkalinity to Quantify Ocean Buffering

by J. J. Middelburg, K. Soetaert and M. Hagens 29 July 202022 December 2021

Ocean alkalinity plays a major role in ocean’s carbon uptake, in buffering, and in calcium carbonate production and dissolution, and it impacts and is affected by various biogeochemical processes.

A view along the Atlantic coastline of South Africa showing hillslopes descending to the beach and ocean
Posted inResearch Spotlights

Ancient Sea Levels in South Africa May Offer Modern Analogues

Aaron Sidder, freelance science writer by Aaron Sidder 14 July 202026 January 2023

Largely spared from disruptive tectonic activity, the South African coastline offers a natural setting to study sea levels from when Earth’s atmospheric carbon dioxide last reached today’s levels.

Seabird soars over a very stormy Southern Ocean
Posted inNews

Larger Waves in Store as the Planet Warms

Katherine Kornei, Science Writer by Katherine Kornei 9 July 202030 November 2022

By the end of the 21st century, waves will have gotten larger in some ocean basins, particularly the Southern Ocean, climate modeling reveals.

Photograph of storm cloud over Indian Ocean
Posted inEditors' Vox

Mysterious Engine of the Madden‐Julian Oscillation

by C. Zhang 6 July 20208 March 2022

Understanding the fundamental physics of the Madden‐Julian Oscillation, a phenomenon that occurs over the Indian and Pacific Oceans, remains a challenge in tropical atmospheric research.

A rosette water sampler hangs from a cable above the Arctic Ocean surface near some sea ice
Posted inResearch Spotlights

Rastreando Elementos Traza a Través del Océano Ártico

Kate Wheeling, freelance science writer by Kate Wheeling 29 June 202014 March 2023

Durante la expedición Pan-ártica, los investigadores obtuvieron y utilizaron datos de carbono y elementos traza para comprender mejor cómo el cambio climático afectará la producción primaria en una de las regiones de calentamiento más rápido del mundo.

Painting called "The False Mirror" by Rene Magritte
Posted inEditors' Highlights

The Perils of Computing Too Much and Thinking Too Little

by B. Stevens 25 June 202021 September 2022

Big steps forward are synonymous with new ideas – a thought that merits mindfulness if we aspire to train students to do more than merely train machines.

Two researchers look on as a water-sampling device hangs over the side of a research vessel during a cruise to study nitrous oxide emissions.
Posted inResearch Spotlights

Marine Nitrous Oxide Emissions off Northwest Europe

Aaron Sidder, freelance science writer by Aaron Sidder 17 June 202023 February 2023

Continental shelves and estuaries are natural sources of nitrous oxide, but current global estimates of these emissions carry a lot of uncertainty, a problem that calls for regional studies.

Aerial photo of the Yongle blue hole in the South China Sea
Posted inResearch Spotlights

El Ciclo del Carbono en el Agujero Azul Más Profundo de la Tierra

Elizabeth Thompson by Elizabeth Thompson 16 June 20202 September 2022

Científicos encuentran nuevos extremos mientras investigan el ciclo del carbono en el agujero azul de Yongle.

A view of the ocean and clouds from the International Space Station
Posted inResearch Spotlights

A First Look at Elusive Deep-Ocean Carbon Molecules

Sarah Stanley, Science Writer by Sarah Stanley 12 June 202029 September 2021

A new analytical technique enables direct analysis of dissolved organic carbon molecules that store carbon in the ocean for thousands of years.

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