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UrduMeandering ocean currents play an important role in the melting of Antarctic ice shelves, threatening a significant rise in sea levels.
Tag: Ocean Currents
Unprecedented ocean heating shows risks of a world 3°C warmer
Record-high ocean temperatures observed in 2023 could become the norm if the world moved into a climate that is 3.0°C warmer than pre-industrial levels, according to a new study.
New Study Finds That the Gulf Stream is Warming and Shifting Closer to Shore
The Gulf Stream is intrinsic to the global climate system, bringing warm waters from the Caribbean up the East Coast of the United States. As it flows along the coast and then across the Atlantic Ocean, this powerful ocean current influences weather patterns and storms, and it carries heat from the tropics to higher latitudes as part of the Atlantic Meridional Overturning Circulation.
A new study published today in Nature Climate Change now documents that over the past 20 years, the Gulf Stream has warmed faster than the global ocean as a whole and has shifted towards the coast. The study, led by Robert Todd, a physical oceanographer at the Woods Hole Oceanographic Institution (WHOI), relies on over 25,000 temperature and salinity profiles collected between 2001 and 2023.
Deciphering the intensity of past ocean currents
Details of past climate conditions are revealed to researchers not only by sediment samples from the ocean floor, but also by the surface of the seafloor, which is exposed to currents that are constantly altering it.
Gloomy climate calculation: Scientists predict a collapse of the Atlantic ocean current to happen mid-century
Important ocean currents that redistribute heat, cold and precipitation between the tropics and the northernmost parts of the Atlantic region will shut down around the year 2060 if current greenhouse gas emissions persist.
Why Antarctic ice shelves are losing their mass and how it leads to global sea level rise
The Greenland ice sheet (GIS) and Antarctic ice sheet (AIS) contribute largely to global mean sea level (GMSL) changes, though the seas surrounding the Antarctic like the Bellinghausen-Amundsen Seas and the Indian Ocean sector are seeing significantly more warming than the rest of the marginal seas, with immediate noticeable effects on the mass balance (net weight of the glacier mainly accounting for ice gained by snow and lost by melting and calving) of the AIS.
Record low sea ice cover in the Antarctic
There is currently less sea ice in the Antarctic than at any time in the forty years since the beginning of satellite observation: in early February 2023, only 2.20 million square kilometres of the Southern Ocean were covered with sea ice.
Study identifies new cause of melting Antarctic ice shelves
Researchers have discovered a process that can contribute to the melting of ice shelves in the Antarctic.
World Oceans Day: FSU researcher shares insight into importance of the ocean
By: Bill Wellock | Published: June 6, 2022 | 12:19 pm | SHARE: The United Nations marks June 8 as World Oceans Day, an opportunity to celebrate the ocean and how it supports life on Earth.As director of Florida State University’s Center for Ocean-Atmospheric Prediction Studies (COAPS), Eric Chassignet leads investigations into the physical processes that govern the ocean and its interactions with the atmosphere.
Melting ice caps may not shut down ocean current
Most simulations of our climate’s future may be overly sensitive to Arctic ice melt as a cause of abrupt changes in ocean circulation, according to new research led by scientists at the University of Wisconsin–Madison. Climate scientists count the Atlantic Meridional Overturning Circulation (or AMOC) among the biggest tipping points on the way to a planetary climate disaster.
Major ocean current could warm greatly, new study reveals
A new study led by researchers at Binghamton University, State University of New York found that the Kuroshio Current Extension is sensitive to global climate change and has the potential to warm greatly with increased carbon dioxide levels.