News tagged with glacial cycles
Wind shifts may stir CO2 from Antarctic depths
Space & Earth / Earth Sciences
Mar 12, 2009 |
4.2 / 5 (69) |
6
Natural releases of carbon dioxide from the Southern Ocean due to shifting wind patterns could have amplified global warming at the end of the last ice age--and could be repeated as manmade warming proceeds, ...
Search results for glacial cycles
Sediment yields climate record for past half-million years
Space & Earth / Earth Sciences
Jun 15, 2009 |
4.5 / 5 (10) |
1
Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.
Sunlight has more powerful influence on ocean circulation and climate than North American ice sheets
Space & Earth / Earth Sciences
Nov 06, 2008 |
4.7 / 5 (33) |
11
A study reported in today's issue of Nature disputes a longstanding picture of how ice sheets influence ocean circulation during glacial periods.
Study: Did early climate impact divert a new glacial age?
Space & Earth / Earth Sciences
Dec 17, 2008 |
3.2 / 5 (9) |
5
The common wisdom is that the invention of the steam engine and the advent of the coal-fueled industrial age marked the beginning of human influence on global climate.
Methane sources over the last 30,000 years
Space & Earth / Earth Sciences
Apr 16, 2008 |
3.9 / 5 (16) |
1
Ice cores are essential for climate research, because they represent the only archive which allows direct measurements of atmospheric composition and greenhouse gas concentrations in the past. Using novel ...
West African Ocean sediment core links monsoons to global climate evolution
Space & Earth / Earth Sciences
May 31, 2007 |
4.8 / 5 (6) |
0
Monsoons, the life-giving, torrential rains of Asia and Africa, have an ancient, unsuspected connection to previous Ice Age climate cycles, according to scientists at the University of California, Santa Barbara, and at Kiel ...
Shrinking Bylot Island glaciers tell story of climate change
Space & Earth / Earth Sciences
Aug 31, 2009 |
4.7 / 5 (59) |
8
The U.S. Geological Survey has released the results of a long-term study of key glaciers in western North America, reporting this month that glacial shrinkage is rapid and accelerating and a result of climate ...
Close relationship between past warming and sea-level rise
Space & Earth / Earth Sciences
Jun 22, 2009 |
3.8 / 5 (19) |
2
Scientists from the National Oceanography Centre, Southampton, along with colleagues from Tuebingen and Bristol have reconstructed sea-level fluctuations over the last 520,000 years. Comparison of this record with data on ...
West Antarctic ice comes and goes, rapidly
Space & Earth / Earth Sciences
Mar 18, 2009 |
4.3 / 5 (16) |
8
Researchers today worry about the collapse of West Antarctic ice shelves and loss of the West Antarctic ice sheet, but little is known about the past movements of this ice. Now climatologists from Penn State ...
Are the Alps growing or shrinking?
Space & Earth / Earth Sciences
Nov 05, 2009 |
2 / 5 (1) |
0
The Alps are growing just as quickly in height, as they are shrinking. This paradoxical result could be proven by a group of German and Swiss geoscientists. Due to glaciers and rivers about exactly the same amount of material ...
Earth's biogeochemical cycles, once in concert, falling out of sync
Aug 04, 2009 |
4 / 5 (7) |
3
(PhysOrg.com) -- What do the Gulf of Mexico's "dead zone," global climate change, and acid rain have in common? They're all a result of human impacts to Earth's biology, chemistry and geology, and the natural ...
List of search results for glacial cycles
