Tag #Antarctica

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africa.chinadaily.com.cn

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Jun 9, 13:14

Unprecedented Antarctic Autumn Expedition Reveals Deep-Ocean Plankton Surge

An unprecedented autumn expedition to Antarctica revealed a significant surge in deep-ocean planktonic organisms in the Ross Sea polynya, driven by intense deep convection from ice formation, challenging prior understandings of Antarctic ecosystems and highlighting the importance of the 'dark ecosys...

Unprecedented Antarctic Autumn Expedition Reveals Deep-Ocean Plankton Surge

An unprecedented autumn expedition to Antarctica revealed a significant surge in deep-ocean planktonic organisms in the Ross Sea polynya, driven by intense deep convection from ice formation, challenging prior understandings of Antarctic ecosystems and highlighting the importance of the 'dark ecosys...

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What is the most significant finding of this unprecedented autumn Antarctic expedition, and what are its immediate implications for understanding Antarctic ecosystems?

In a groundbreaking autumn expedition to Antarctica, scientists discovered a significant surge in small planktonic organisms in the deep ocean, contrasting their typical spring/summer upper-ocean presence. This unexpected abundance was particularly prominent in the Ross Sea polynya, an area of open water within sea ice, where intense deep convection, driven by ice formation, mixes water layers and distributes life.

theguardian.com

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Jun 7, 13:13

Antarctica's Legal Personhood: A Proposal Gaining Momentum

Environmental lawyer Cormac Cullinan's proposal to grant Antarctica legal personhood gained momentum after he won the Shackleton Medal; his initiative aims to protect Antarctica by giving it legal rights equivalent to a country, prompting international obligations for its conservation.

Antarctica's Legal Personhood: A Proposal Gaining Momentum

Environmental lawyer Cormac Cullinan's proposal to grant Antarctica legal personhood gained momentum after he won the Shackleton Medal; his initiative aims to protect Antarctica by giving it legal rights equivalent to a country, prompting international obligations for its conservation.

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What is the central aim of Cormac Cullinan's Antarctica Declaration, and what immediate implications could its success have for international environmental governance?

Cormac Cullinan, an environmental lawyer, proposes granting Antarctica legal personhood, a concept gaining traction as he received the Shackleton Medal for polar region protection. His initiative aims to shift global perception of Antarctica from a resource to a sovereign entity with inherent rights, demanding international respect and protection.

abcnews.go.com

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May 22, 19:12

Penguin Poop's Unexpected Role in Stabilizing Antarctic Climate

New research reveals that penguin guano's ammonia significantly increases aerosol formation in Antarctica, leading to greater cloud cover that reduces surface temperatures and helps prevent sea ice melt; this was discovered by studying a colony of 60,000 Adelie penguins at Marambio Base from January...

Penguin Poop's Unexpected Role in Stabilizing Antarctic Climate

New research reveals that penguin guano's ammonia significantly increases aerosol formation in Antarctica, leading to greater cloud cover that reduces surface temperatures and helps prevent sea ice melt; this was discovered by studying a colony of 60,000 Adelie penguins at Marambio Base from January...

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What is the mechanism through which penguin guano affects atmospheric processes, and what evidence supports this?

The study measured ammonia concentrations near a penguin colony, finding levels 1,000 times higher than baseline when wind blew from the colony. Even after penguin migration, ammonia levels remained elevated due to persistent guano emissions, impacting aerosol and cloud formation.

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.

china.org.cn

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Apr 23, 04:12

China Achieves First Large-Scale Clean Energy Operation in Antarctica

China's Qinling Antarctic research station has implemented a large-scale clean energy system, utilizing solar, wind, and hydrogen power since March 1, 2024, becoming the first country to achieve this in such an extreme environment.

China Achieves First Large-Scale Clean Energy Operation in Antarctica

China's Qinling Antarctic research station has implemented a large-scale clean energy system, utilizing solar, wind, and hydrogen power since March 1, 2024, becoming the first country to achieve this in such an extreme environment.

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What are the potential future implications of this technology beyond Antarctic research, and what further research is planned?

The success at Qinling station could significantly impact future Antarctic research and potentially inspire similar projects globally. The development of a digital twin laboratory to simulate Antarctic conditions has been crucial for technological advancement, laying the groundwork for future applications of this technology in other extreme environments such as the moon or Mars. This could lead to breakthroughs in energy solutions for remote locations globally.

forbes.com

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Apr 16, 22:14

First-Ever Video Footage of Live Colossal Squid Captured

On March 9th, 2024, the Schmidt Ocean Institute captured the first video footage of a live juvenile colossal squid (Mesonychoteuthis hamiltoni) near the South Sandwich Islands during a collaborative oceanographic expedition, marking a significant advance in understanding this elusive deep-sea creatu...

First-Ever Video Footage of Live Colossal Squid Captured

On March 9th, 2024, the Schmidt Ocean Institute captured the first video footage of a live juvenile colossal squid (Mesonychoteuthis hamiltoni) near the South Sandwich Islands during a collaborative oceanographic expedition, marking a significant advance in understanding this elusive deep-sea creatu...

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How does this discovery advance our understanding of the colossal squid's biology and role in its ecosystem?

The video, captured by the Schmidt Ocean Institute's ROV "Subastian," is a significant scientific breakthrough. It was recorded during a 35-day expedition collaborating with the Nippon Foundation-Nekton Ocean Census and GoSouth, expanding our understanding beyond previous observations limited to whale and seabird prey remains.

europe.chinadaily.com.cn

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Jun 9, 13:14

Unprecedented Antarctic Autumn Expedition Reveals Deep Ocean Plankton Surge

Scientists observed an unprecedented surge in small planktonic organisms in the deep ocean during an autumn expedition to Antarctica's Ross Sea polynya, highlighting the impact of deep convection and ice formation on the Antarctic ecosystem.

Unprecedented Antarctic Autumn Expedition Reveals Deep Ocean Plankton Surge

Scientists observed an unprecedented surge in small planktonic organisms in the deep ocean during an autumn expedition to Antarctica's Ross Sea polynya, highlighting the impact of deep convection and ice formation on the Antarctic ecosystem.

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What is the significance of the discovery of abundant planktonic life in the deep ocean during Antarctica's autumn?

An unprecedented autumn expedition to Antarctica revealed a significant surge in small planktonic organisms in the deep ocean, contrasting their typical spring/summer upper-ocean presence. This discovery, from the Ross Sea's polynya, highlights the impact of deep convection driven by ice formation on water properties and biological distribution.

gr.euronews.com

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May 23, 22:09

Penguin Guano's Unexpected Role in Slowing Antarctic Ice Melt

A study in Communications Earth & Environment reveals that ammonia from penguin guano in Antarctica contributes to cloud formation, potentially slowing ice melt by reflecting sunlight; researchers measured ammonia levels near a colony of 60,000 Adélie penguins, finding them over 1,000 times higher t...

Penguin Guano's Unexpected Role in Slowing Antarctic Ice Melt

A study in Communications Earth & Environment reveals that ammonia from penguin guano in Antarctica contributes to cloud formation, potentially slowing ice melt by reflecting sunlight; researchers measured ammonia levels near a colony of 60,000 Adélie penguins, finding them over 1,000 times higher t...

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How do penguin guano emissions directly impact Antarctic climate and ice melt?

A recent study found that ammonia from penguin guano contributes to cloud formation in Antarctica, reflecting sunlight and potentially slowing ice melt. Researchers measured ammonia levels near a colony of 60,000 Adélie penguins, finding them over 1,000 times higher than baseline when winds blew from the colony.

elpais.com

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May 21, 10:12

Antarctica's Active Volcano: Science and Risk on Deception Island

Deception Island's volcano, located in Antarctica, erupted in 1967, destroying a Chilean military base; today, a Spanish research base monitors the active volcano, supporting scientists while facing similar risks amid increasing tourism.

Antarctica's Active Volcano: Science and Risk on Deception Island

Deception Island's volcano, located in Antarctica, erupted in 1967, destroying a Chilean military base; today, a Spanish research base monitors the active volcano, supporting scientists while facing similar risks amid increasing tourism.

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How do past volcanic events and current monitoring efforts inform the assessment of future risks at Deception Island?

Deception Island's volcanic history, marked by eruptions in 1812, 1842, 1912, and 1967, demonstrates a pattern of roughly 50-year intervals between major events. The current Spanish base, established in 1989, actively monitors seismic activity and ground deformation to predict potential eruptions and ensure the safety of personnel. The 2019-2020 period showed significant deformation, changing the volcano's alert status.

forbes.com

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Apr 24, 16:15

Thwaites Glacier Collapse: Global Sea-Level Rise and Urgent Adaptation Needs

The Thwaites Glacier in Antarctica is rapidly melting, contributing 4% to current sea-level rise and potentially causing over two feet of additional rise if it collapses completely, displacing millions and impacting coastal regions worldwide.

Thwaites Glacier Collapse: Global Sea-Level Rise and Urgent Adaptation Needs

The Thwaites Glacier in Antarctica is rapidly melting, contributing 4% to current sea-level rise and potentially causing over two feet of additional rise if it collapses completely, displacing millions and impacting coastal regions worldwide.

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What are the immediate and significant global consequences of the Thwaites Glacier's potential collapse, and how does it affect global sea levels?

The Thwaites Glacier, contributing 4% to current global sea-level rise and losing 50 billion tons of ice annually, risks catastrophic collapse, raising sea levels by over two feet and potentially displacing half a billion to a billion people. This collapse would also destabilize neighboring glaciers, leading to even more significant sea-level rise.

pda.kp.ru

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Apr 22, 07:14

Giant Antarctic Crater Suggests Asteroid Impact Linked to Permian Extinction

A 510-kilometer-diameter crater, potentially formed by a massive asteroid impact around 250 million years ago, has been discovered under the Antarctic ice, raising questions about its role in the Permian extinction.

Giant Antarctic Crater Suggests Asteroid Impact Linked to Permian Extinction

A 510-kilometer-diameter crater, potentially formed by a massive asteroid impact around 250 million years ago, has been discovered under the Antarctic ice, raising questions about its role in the Permian extinction.

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What is the significance of the newly discovered 510-kilometer-diameter crater under the Antarctic ice, and how does it relate to known extinction events?

A massive, 510-kilometer-diameter crater, possibly formed by a 50-kilometer asteroid, has been detected under the Antarctic ice. This is significantly larger than any other known impact crater on Earth and could potentially be linked to the Permian extinction.

nos.nl

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Apr 16, 04:09

First-Ever Filming of Colossal Squid in Natural Habitat

Researchers from the Schmidt Ocean Institute filmed a juvenile colossal squid, approximately 30 centimeters long, at a depth of 600 meters near the Southern Sandwich Islands in March. This is the first time a colossal squid has been filmed alive in its natural environment, a significant advancement ...

First-Ever Filming of Colossal Squid in Natural Habitat

Researchers from the Schmidt Ocean Institute filmed a juvenile colossal squid, approximately 30 centimeters long, at a depth of 600 meters near the Southern Sandwich Islands in March. This is the first time a colossal squid has been filmed alive in its natural environment, a significant advancement ...

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What is the significance of the first-ever filming of a colossal squid in its natural habitat?

Researchers filmed a colossal squid, the largest known species, for the first time in its natural habitat. The footage shows a transparent, 30-centimeter-long juvenile near the Southern Sandwich Islands at a depth of 600 meters. The video was captured by an unmanned submersible and released by the Schmidt Ocean Institute.

Showing 25 to 36 of 89 results