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Scientists dispute claim melting ice caps will boost plankton levels, warn less nitrogen may kill it dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
The Arctic Ocean's deep past provides clues to its imminent future princeton.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from princeton.edu Daily Mail and Mail on Sunday newspapers.
The Arctic Ocean's Deep Past Provides Clues to its Imminent Future uconn.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from uconn.edu Daily Mail and Mail on Sunday newspapers.
The last million years of Earth history have been characterized by frequent “glacial-interglacial cycles,” large swings in climate that are linked to the growing and shrinking of massive, continent-spanning ice sheets. These cycles are triggered by subtle oscillations in Earth’s orbit and rotation, but the orbital oscillations are too subtle to explain the large changes in climate. “The cause of the ice ages is one of the great unsolved problems in the geosciences,” said Daniel Sigman, the Dusenbury Professor of Geological and Geophysical Sciences. “Explaining this dominant climate phenomenon will improve our ability to predict future climate change.” In the 1970s, scientists discovered that the concentration of the atmospheric greenhouse gas carbon dioxide (CO ....
New research suggests changes in upwelling patterns in the Southern Ocean have a strong impact on the planet's carbon cycle, perhaps explaining Earth's glacial-interglacial cycles. ....