Tag #Southern Ocean

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bbc.com

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Jul 5, 04:10

Antarctic Zooplankton's Carbon Sequestration Exceeds Expectations

New research reveals Antarctic zooplankton's annual migration sequesters carbon equivalent to emissions from 55 million petrol cars, a discovery highlighting the ocean's crucial role in climate change mitigation.

Antarctic Zooplankton's Carbon Sequestration Exceeds Expectations

New research reveals Antarctic zooplankton's annual migration sequesters carbon equivalent to emissions from 55 million petrol cars, a discovery highlighting the ocean's crucial role in climate change mitigation.

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How does the zooplankton's life cycle and feeding habits contribute to this carbon storage process?

This discovery highlights the Southern Ocean's crucial role in carbon sequestration, largely due to zooplankton's unique migration pattern. The process, called the seasonal vertical migration pump, transports 65 million tonnes of carbon annually to depths of at least 500 meters, with copepods contributing the most.

es.euronews.com

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May 21, 10:11

New Hydrothermal Vents and Diverse Marine Life Discovered in South Sandwich Islands

An international team of scientists aboard the research vessel Falkor discovered hydrothermal vents, coral gardens, and potentially numerous new marine species in the South Sandwich Islands near Antarctica during a 35-day expedition, highlighting the region's unique biodiversity and geological activ...

New Hydrothermal Vents and Diverse Marine Life Discovered in South Sandwich Islands

An international team of scientists aboard the research vessel Falkor discovered hydrothermal vents, coral gardens, and potentially numerous new marine species in the South Sandwich Islands near Antarctica during a 35-day expedition, highlighting the region's unique biodiversity and geological activ...

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What are the long-term implications of these discoveries for the conservation and management of the South Sandwich Islands' unique marine environment?

The South Sandwich Islands' unique geological features, including its hadal zone trenches and volcanic activity, contribute to the evolution of rare marine life, making future exploration crucial. The discovery of shallow hydrothermal vents suggests ongoing tectonic activity and may indicate more undiscovered species. The observed interactions, such as snailfish egg deposition on black coral, highlight the complexity of these ecosystems and necessitate further research to fully understand their functioning and the potential impact of future disturbances.

welt.de

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Jul 2, 16:14

Southern Ocean Salinity Rise Accelerates Ice Loss, Threatening Global Climate"

Since 2015, the Southern Ocean has experienced a dramatic shift toward higher salinity and temperature, leading to rapid ice loss and the reappearance of the Maud Rise polynya, a large ice-free area, raising concerns about the ocean's role in global climate change.

Southern Ocean Salinity Rise Accelerates Ice Loss, Threatening Global Climate"

Since 2015, the Southern Ocean has experienced a dramatic shift toward higher salinity and temperature, leading to rapid ice loss and the reappearance of the Maud Rise polynya, a large ice-free area, raising concerns about the ocean's role in global climate change.

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What are the underlying mechanisms driving the observed trend reversal in the Southern Ocean?

The reversal of the Southern Ocean's salinity and ice trend is linked to a dangerous feedback loop: less ice leads to more heat absorption, causing further ice melt. The return of the Maud Rise polynya, unseen since the 1970s, highlights the unusual nature of current conditions and the potential for significant, long-term changes in the ocean and global climate.

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