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Your search has returned 249 articles:
  • News

    An Antarctic expedition will search for what lived under the Larsen C ice shelf

    Maybe the fourth time’s the charm. On February 9, an international team of scientists is embarking on yet another mission to hunt for ocean life that may have once dwelled in the shadow of a giant iceberg (SN Online: 10/13/17).  The scientists, led by researchers at the Alfred Wegener Institute in Bremerhaven, Germany, are headed to the Larsen C ice shelf on the Antarctic Peninsula, where a...

    02/08/2019 - 14:59 Climate, Oceans, Earth
  • News

    2018 was the fourth-hottest year on record, and it’s getting even hotter

    Overall, 2018 was the fourth-warmest year on record, and climate change trends suggest that temperatures will only continue to climb, scientists said February 6 during a joint news conference by the National Oceanic and Atmospheric Administration and NASA.

    The agencies’ data show that global atmospheric temperatures in 2018 were on average 0.79 degrees Celsius warmer than the average...

    02/06/2019 - 18:48 Climate, Oceans, Earth
  • News

    Collapsing ice cliffs may not contribute to sea level rise

    Sea level rise over the next century won’t get a feared boost from Antarctic ice cliffs crumbling into the ocean like dominoes, a new study suggests.

    The finding, published February 7 in Nature, is based on a new statistical analysis showing that such a rapid collapse of marine ice cliffs in Antarctica was extremely unlikely to have happened in the past, even during some of Earth’s...

    02/06/2019 - 15:26 Climate, Oceans
  • News

    Climate change might not slow ocean circulation as much as thought

    New findings from an international ocean observing network are calling into question the long-standing idea that global warming might slow down a big chunk of the ocean’s “conveyor belt.” The first 21 months of data from sensors moored across much of the North Atlantic are giving new insight into what controls the strength of the Atlantic Meridional Overturning Circulation, a system of...

    01/31/2019 - 16:47 Climate, Oceans
  • News in Brief

    Young emperor penguins brave icy, winter waters in their first year

    Only months after their first ocean swim, young emperor penguins are braving Antarctica’s treacherous winter seas. GPS trackers strapped to 15 young penguins showed the birds venturing north to warmer waters beyond Antarctica’s pack ice in December 2013, and returning a few months later as the waters chilled.

    That finding surprised some scientists, who thought the inexperienced juveniles...

    01/23/2019 - 17:07 Animals, Oceans
  • News

    Desalination pours more toxic brine into the ocean than previously thought

    Technology meant to help solve the world’s growing water shortage is producing a salty environmental dilemma.

    Desalination facilities, which extract drinkable water from the ocean, discharge around 142 billion liters of extremely salty water called brine back into the environment every day, a study finds. That waste product of the desalination process can kill marine life and...

    01/14/2019 - 10:17 Technology, Sustainability, Oceans
  • News in Brief

    Floating seabirds provide a novel way to trace ocean currents

    Seabirds are like feathered buoys. Gently rafting on the ocean’s surface, these birds go with the flow, making them excellent proxies for tracking changes in a current’s speed and direction.

    Oceanographers traditionally use radar, floating buoys or autonomous underwater vehicles to measure ocean current velocities, which can affect the climate, ecosystems and the movement of important...

    01/10/2019 - 09:00 Oceans, Ecology
  • Rethink

    Nearly 200 Great Barrier Reef coral species also live in the deep sea

    Nearly 200 species of Great Barrier Reef corals have found a second home in the deep ocean. That’s six times as many species as previously thought to be living in the dark, cold waters off northeastern Australia, researchers report December 12 in Proceedings of the Royal Society B.

    Perhaps more important than the number of species cataloged at those depths is the fact that every...

    12/11/2018 - 19:05 Animals, Oceans, Climate
  • News

    Volcanic eruptions that depleted ocean oxygen may have set off the Great Dying

    A massive series of volcanic eruptions in Earth’s distant past left ocean creatures gasping for breath. Greenhouse gases emitted by the volcanoes dramatically lowered oxygen levels in the oceans, a deadly scenario that may have been the main culprit in the Great Dying, researchers report.

    Earth scientist Justin Penn of the University of Washington in Seattle and colleagues mapped out...

    12/06/2018 - 14:00 Oceans, Climate, Earth, Paleontology
  • News

    Warm tropical Atlantic waters juiced the 2017 hurricane season

    Very warm waters in the tropical Atlantic Ocean were the primary cause behind the region’s many strong hurricanes last year, including powerhouse storms Harvey and Maria, a new study finds. And that pattern of ocean warming is likely to become more common in the future, fueling more strong hurricanes, the researchers say.  

    Climate scientist Hiroyuki Murakami, now at the at the...

    09/28/2018 - 11:40 Climate, Oceans