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Submarine Canyons

All articles tagged with #submarine canyons

science20 days ago•5 min saved

WA’s Deep-Sea Canyons Reveal Hidden Life, Including Giant Squid

A Curtin University–led expedition used environmental DNA to survey WA’s deep-sea canyons off the Ningaloo coast, collecting over 1,000 water samples from depths up to 4,510 meters and uncovering a rich ecosystem that includes traces of giant squid along with 226 species across 11 groups—plus numerous potential new-to-science records—highlighting how much remains unknown about Australia’s deep ocean and the value of eDNA for biodiversity discovery and conservation planning.

via SciTechDaily|

#biodiversity #deep-sea #edna

science3 months ago•6 min saved

Antarctica's Hidden Canyon Network May Rewrite Ocean Circulation and Ice Melt

A high‑resolution survey around Antarctica identified 332 submarine canyons, some deeper than 4,000 meters, with distinct eastern and western morphologies that challenge prior climate assumptions. These canyons regulate exchanges between the continental shelf and the deep Southern Ocean, channeling warm water toward ice shelves to accelerate melting while exporting freshwater that influences global ocean circulation. The dataset enables more realistic seafloor topography in climate models, though direct flow measurements are still limited and further mooring/observational campaigns are planned.

via Indian Defence Review|

#antarctica #bathymetry #ice-shelves

science8 months ago•4 min saved

Unveiling Antarctica's Hidden Canyon Network Beneath the Ice

Scientists have discovered over 300 giant submarine canyons beneath Antarctica's ice, revealing complex seafloor features that significantly influence ocean currents, ice melting, and global sea level projections. These findings suggest that current climate models may underestimate Antarctica's impact on sea level rise, emphasizing the need for more detailed mapping of the seafloor.

via Indian Defence Review|

#antarctica #climate-change #oceanography

science9 months ago•3 min saved

Scientists Discover Extensive Network of Submarine Canyons Beneath Antarctica's Ice

Scientists have mapped over 300 previously unknown submarine canyons beneath Antarctica's ice, revealing their significant role in ocean dynamics and ice sheet stability, which could impact future sea-level rise predictions and climate models.

via The Daily Galaxy|

#antarctica #climate-change #ocean-circulation

science10 months ago•2 min saved

New Antarctic Discoveries Reveal Hidden Landscapes That Could Impact Climate Predictions

Scientists have mapped 332 Antarctic seafloor canyons, revealing their potential impact on ocean circulation, ice-shelf thinning, and climate change, emphasizing the need for high-resolution data to improve climate models and predictions.

via The Guardian|

#antarctica #climate-change #ocean-circulation

science10 months ago•3 min saved

New Map Unveils Extensive and Deep Antarctic Submarine Canyons

Scientists have discovered 332 submarine canyons beneath Antarctica, significantly more than previously known, which play a crucial role in ocean circulation, ice-shelf dynamics, and climate regulation. The study highlights differences between East and West Antarctic canyons and emphasizes the need for detailed mapping to improve climate models.

via The Daily Galaxy|

#antarctica #climate-change #marine-geology