Tag: Atlantic ocean

Scientists are able to understand the consequences of increases in greenhouse gases New research from the University of Missouri indicates that Atlantic Ocean temperatures during the greenhouse climate of the Late Cretaceous Epoch were influenced by circulation in the deep ocean. These changes in circulation patterns 70 million years ago could help scientists understand the consequences of modern increases in greenhouse gases."We are examining ocean conditions from several past greenhouse climate intervals so that we can understand better the interactions among the atmosphere, the oceans, the biosphere, and climate," said Kenneth MacLeod, professor of geological sciences in the College of Arts and Science."The Late Cretaceous Epoch is a textbook example of a greenhouse climate on earth, and we have evidence that a northern water mass expanded southwards while the climate was cooling.At the same time, a warm, salty water mass that had been present throughout the greenhouse interval disappeared from the tropical Atlantic."The study found that at the end of the Late Cretaceous greenhouse interval, water sinking around Greenland was replaced by surface water flowing north from the South Atlantic.This change caused the North Atlantic to warm while the rest of the globe cooled. The change started about five million ...

There were four tropical cyclones or remnants plaguing the Atlantic Ocean There were four tropical cyclones or remnants plaguing the Atlantic Ocean basin on Sept. 8, 2011, and one satellite captured all four in one image: Katia, Lee, Maria and Nate.NOAA's GOES-13 satellite monitors the Atlantic and eastern U.S. and took a stunning image of Hurricane Katia in the western Atlantic between Bermuda and the U.S. East coast; Tropical Storm Lee's remnants affecting the northeastern U.S.; Tropical Storm Maria in the central Atlantic; and newborn Tropical Storm Nate in the Bay of Campeche, Gulf of Mexico. The visible image was created by the NASA GOES Project at NASA's Goddard Space Flight Center, Greenbelt, Md.Hurricane Katia Hurricane Katia is causing rough surf along the U.S. east coast, and fortunately that's all she'll do. On Sept. 8, 2011, her center is passing between Bermuda and the east coast of the U.S. Bermuda is still under a tropical storm watch. Katia's eye is still visible in this GOES-13 image.NASA's Aqua satellite's AIRS instrument measured the cloud top temperatures within Hurricane Katia on Sept. 8 at 2:29 a.m. EDT. The infrared data showed the coldest cloud top temperatures (-63F/-52C) and strongest thunderstorms with the ...