A new study of seafloor sediments suggests reactions in the atmosphere convert dust-borne iron into forms more readily taken up by phytoplankton.
Oceans
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Sedimentos Caribenhos Rastreados até o Terremoto e Tsunami Português de 1755
Arqueólogos escavando na Martinica encontraram por acaso o primeiro depósito de tsunami do terremoto encontrado no Novo Mundo. Ao que parece, o tsunami deixou um forte rastro, pois a onda passou por cima de um rio.
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The North Atlantic Is Getting Saltier
The Atlantic is already the saltiest of Earth’s oceans, and parts of it are getting saltier. Winds and warming may be to blame.
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Unlocking the Power of Synthetic Aperture Radar for Geosciences
Due to its unique ability to monitor Earth’s surface, Synthetic Aperture Radar plays a pivotal role in revolutionizing the geosciences.
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Uma Ilha Tropical Há Muito Perdida Fica no Litoral do Brasil
Um platô vulcânico submerso no sudoeste do Atlântico foi uma ilha tropical há 45 milhões de anos.
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Rainfall Makes the Ocean a Greater Carbon Sink
Rain has so far been ignored in calculations of the ocean’s capacity to take up carbon, but a new estimate shows it enhances the ocean sink by 5%–7%.
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Sailing Spectators’ Sounds Could Harm Marine Creatures
Research delves into noise pollution caused by spectator boats at sailing events such as the America’s Cup.
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Microbe Preferences Drive Ocean Carbon Pump
New research offers insight into how certain bacteria degrade organic matter in Earth’s oceans.
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Clipper Sets Sail for an Ocean Millions of Miles Away
Europa Clipper will assess whether Jupiter’s moon has the right ingredients to host life, and could illuminate the mysteries of icy worlds throughout the solar system.
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Mega El Niño May Have Led to Major Mass Extinction 252 Million Years Ago
The extreme climate conditions wrought by a decades-long ENSO pattern could be the culprit in the Great Dying, which wiped out nearly 90% of life on Earth.