Lia Siegelman had just been studying the swirling waters of the Southern Ocean, which surrounds Antarctica, when she happened to come across a poster image of cyclones around Jupiter’s north pole, taken by NASA’s Juno spacecraft .
A massive Antarctic iceberg is headed straight for South Georgia Island, a remote outpost in the southern Atlantic Ocean that is home to millions of seabirds, penguins, and seals that may find their route to the sea blocked if the Delaware-sized chunk of ice gets stranded near their breeding grounds.
John Brosnan waits on board the RV Kaharoa after returning to New Zealand from an epic 75-day voyage.NIWA has deployed more than 1100 Argo floats in the Pacific, Indian and Southern Ocean over 22 voyages since 2004, more than any other individual vessel.
So as ice shelves retreat, so does the natural reserve status, precisely at the time blue-carbon zones need strong legal protections.But many have already opposed agreements on Marine Protected Areas in the Southern Oceans, areas much smaller than predicted blue-carbon sites.
Now those records – plus millions of daily observations made by early explorers, people on whaling ships, cargo ships and lighthouses around New Zealand and the Southern Ocean before the 1950s – are needed by scientists trying to find out more about climate change.
In some areas with high levels of plastic pollution, like the Mediterranean and the southern Atlantic Ocean, turtles are unable to avoid the debris, while in other areas it is less of a problem.“We know individual turtles are dying, but we don’t know yet whether enough turtles are dying to cause population decline, and that’s where we’re heading to now,” Dr. Hamann said.Jennifer Lynch, a research biologist with the National Institute of Standards and Technology in Hawaii, took issue with the way the study measured vulnerability to plastic.In her own research, she has seen animals that aren’t harmed after swallowing 300 pieces of plastic, so she doesn’t believe that 14 pieces pose such a high risk of death.
This week, Southeast Asia and southern China are bracing for Super Typhoon Mangkhut.Cyclones in the Indian Ocean are classified according to two intensity scales depending on where they are, with names like “very intense tropical cyclone” and “super cyclonic storm.” Australia rates cyclones from categories 1 to 5.So why the three different words?