Tag Archive for 'Southern Ocean'

This map shows 332 submarine canyon networks on the seafloor of the Antarctic continent. Image credit: Riccardo Arosio & David Amblas, doi: 10.1016/j.margeo.2025.107608.

Researchers Create Catalog of Antarctic Submarine Canyons

Jul 21, 2025 by News Staff

Submarine canyons are deep, large-scale incisions found on most of the world’s continental margins. In Antarctica, they are widespread features driving...

The colossal squid (Mesonychoteuthis hamiltoni) in its natural habitat. Image credit: Schmidt Ocean Institute.

Live Colossal Squid Captured on Film for First Time

Apr 17, 2025 by News Staff

A juvenile colossal squid (Mesonychoteuthis hamiltoni) has been filmed alive in its environment by a team of marine biologists on board Schmidt Ocean Institute’s...

Sohail et al. analyzed a high-resolution ocean and sea ice simulation of ocean currents, heat transport and other factors to diagnose the impact of changing temperature, saltiness and wind conditions. Image credit: Sohail et al., doi: 10.1088/1748-9326/adb31c.

Melting Ice Sheets are Slowing World’s Strongest Ocean Current, Study Shows

Mar 4, 2025 by News Staff

More than four times stronger than the Gulf Stream, the Antarctic Circumpolar Current (ACC) is the world’s strongest ocean current and plays a disproportionate...

Disruption of iron and copper recycling from industrial whaling. Image credit: Monreal et al., doi: 10.1038/s43247-024-01965-9.

Trace Metals and Other Nutrients from Whale Feces Fertilized Ancient Oceans, New Study Confirms

Feb 10, 2025 by News Staff

Blue whales and other baleen whales, which filter seawater through their mouths to feed on small marine life, once teemed in Earth’s oceans. In the 20th...

Toffoli et al. report direct observations of surface waves from a stereo camera system along with concurrent measurements of wind speed during an expedition across the Southern Ocean in the austral winter aboard the South African icebreaker S.A. Agulhas II. Image credit: Alessandro Toffoli.

Strong Winds Drive Formation of Colossal Rogue Waves, Scientists Say

Apr 16, 2024 by News Staff

A rogue wave is a single swell that is much higher than nearby waves, which can damage ships or coastal infrastructure. Ocean waves are among the most...

The International Bathymetric Chart of the Southern Ocean Version 2 (IBCSO v2) is a digital bathymetric model for the area south of 50° S with special emphasis on the bathymetry of the Southern Ocean. Image credit: Dorschel et al.

Scientists Create New High-Resolution Map of Southern Ocean

Jun 9, 2022 by News Staff

After nine years of gathering, cleaning, processing and interpolating data, an international team of researchers this week released the second version...

Using satellite data and models, Barkley et al identified a previously underestimated source of soluble phosphorus: biomass burning aerosol transported from southern Africa that can supply phosphorus to the Amazon, Tropical Atlantic and Southern oceans. Image credit: Scite / University of Miami.

Smoke from African Fires is Fertilizing Amazon Rainforest, Atlantic and Southern Oceans: Study

Aug 2, 2019 by News Staff

Smoke from fires in southern Africa is the largest contributor of phosphorus — an important agricultural fertilizer — to the Amazon rainforest,...

Close-up view of an iceberg near Mawson Station, November 20, 1988, much of it covered by snow. At the far left is bubbly blue-white glacier ice; the center of the picture shows the clear, dark green, bubble-free marine ice. The boundary between glacier ice and marine ice is nearly vertical. Image credit: Warren et al, doi: 10.1029/2018JC014479.

Study: Color of Green Icebergs is Caused by Iron-Oxide Minerals

Mar 5, 2019 by News Staff

Pure ice is blue because ice absorbs more red light than blue light. Most icebergs appear white or blue when floating in seawater, but since the early...

The Antarctic blackfin icefish (Chaenocephalus aceratus). Image credit: Thomas Desvignes.

Icefish Genome Reveals Adaptations to Extreme Antarctic Environments

Mar 4, 2019 by News Staff

A multinational team of researchers has successfully sequenced the genome of the Antarctic blackfin icefish (Chaenocephalus aceratus), opening a genetic...

This image of the rectangular iceberg was taken during an Operation IceBridge flight over the northern Antarctic Peninsula on October 16, 2018. Image credit: Jeremy Harbeck, NASA.

NASA’s IceBridge Researchers Find Rectangular Icebergs in Southern Ocean

Oct 24, 2018 by News Staff

Members of the Operation IceBridge, NASA’s decade-long airborne survey of polar ice, spotted two rectangular icebergs during a flight over the northern...

Carbon Dioxide ‘Leak’ in Southern Ocean May Have Warmed Earth for 11,000 Years

Aug 1, 2018 by News Staff

The Earth’s oceans lock away atmospheric carbon dioxide, but a ‘leak’ in the Southern Ocean, which surrounds Antarctica, brings the greenhouse gas...

The Southern Ocean’s clouds can cool the Earth by reflecting sunlight that would otherwise be absorbed by the darker ocean below, and phytoplankton help with that. Image credit: NASA.

Phytoplankton Play Significant Role in Generating Brighter Clouds over Southern Ocean

Jul 20, 2015 by News Staff

A study of clouds over the Southern Ocean reveals how tiny natural particles given off by marine phytoplankton nearly double cloud droplet numbers in the...

Kiwa tyleri, female (left) and male (right). Scale bar – 5 cm. Image credit: Thatje S et al.

Kiwa tyleri: Marine Biologists Discover New Species of Yeti Crab

Jun 25, 2015 by News Staff

Marine biologists from British Antarctic Survey and the University of Southampton, UK, have described the first species of yeti crab known from the Southern...