News tagged with ice core
Illuminating carbon's climate effects: Researchers demonstrate role of CO2 in deglaciatio
Harvard scientists are helping to paint the fullest picture yet of how a handful of factors, particularly a worldwide increase in atmospheric carbon dioxide, combined to end the last ice age 10,000-20,000 ...
Space & Earth / Earth Sciences
Apr 23, 2012 |
5 / 5 (6) |
16
Scientists use rare mineral to correlate past climate events in Europe, Antarctica
The first day of spring brought record high temperatures across the northern part of the United States, while much of the Southwest was digging out from a record-breaking spring snowstorm. The weather, it seems, has gone ...
Space & Earth / Earth Sciences
Mar 21, 2012 |
4.5 / 5 (4) |
0
Scientists successfully complete Antarctic drilling project
A new ice core successfully drilled from the Antarctica Peninsula last month (January) may shed new light on how the vulnerable West Antarctic Ice Sheet (WAIS) has responded to climate change in the past.
Space & Earth / Earth Sciences
Feb 21, 2012 |
5 / 5 (2) |
0
New study may answer questions about enigmatic Little Ice Age
A new University of Colorado Boulder-led study appears to answer contentious questions about the onset and cause of Earth's Little Ice Age, a period of cooling temperatures that began after the Middle Ages ...
Space & Earth / Earth Sciences
Jan 30, 2012 |
4.8 / 5 (8) |
9
|
Evidence of past Southern hemisphere rainfall cycles related to Antarctic temperatures
Geoscientists at the University of Massachusetts Amherst and the University of Minnesota this week published the first evidence that warm-cold climate oscillations well known in the Northern Hemisphere over ...
Space & Earth / Earth Sciences
Jan 17, 2012 |
5 / 5 (3) |
0
|
NEEM ice core drilling in Greenland provides comprehensive new results
The drilling through the ice sheet at NEEM (77 N, 51V) was completed in August and now scientists can begin to review whether the drilling was a success. 14 nations participated in the scientific work at NEEM, ...
Space & Earth / Earth Sciences
Oct 07, 2011 |
not rated yet |
1
Rising CO2 levels at end of Ice Age not tied to Pacific Ocean
At the end of the last Ice Age, atmospheric carbon dioxide levels rose rapidly as the planet warmed; scientists have long hypothesized that the source was CO2 released from the deep ocean.
Space & Earth / Earth Sciences
Oct 03, 2011 |
5 / 5 (6) |
6
|
800,000 years of Greenland's abrupt climate variability
An international team of scientists, led by Dr Stephen Barker of Cardiff University, has produced a prediction of what climate records from Greenland might look like over the last 800,000 years.
Space & Earth / Earth Sciences
Sep 08, 2011 |
4.2 / 5 (12) |
19
|
Salt marsh sediments help gauge climate-change-induced sea level rise
A newly constructed, 2,000-year history of sea level elevations will help scientists refine the models used to predict climate-change-induced sea level rise, according to an international team of climate researchers. The ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
4.6 / 5 (5) |
6
|
Climate played big role in Vikings' disappearance from Greenland
The end of the Norse settlements on Greenland likely will remain shrouded in mystery. While there is scant written evidence of the colony's demise in the 14th and early 15th centuries, archaeological remains ...
Other Sciences / Archaeology & Fossils
May 30, 2011 |
4.3 / 5 (7) |
4
|
Antarctic sea temperatures cooled in Holocene but now rising: study
(PhysOrg.com) -- A new study of an ocean sediment core taken from deep water off the coast of the western Antarctic Peninsula is beginning to fill in some of the gaps in our knowledge of climate variability ...
Space & Earth / Earth Sciences
Feb 10, 2011 |
4.2 / 5 (18) |
20
|
Ice cores yield rich history of climate change
On Friday, Jan. 28 in Antarctica, a research team investigating the last 100,000 years of Earth's climate history reached an important milestone completing the main ice core to a depth of 3,331 meters (10,928 ...
Space & Earth / Earth Sciences
Feb 02, 2011 |
4.5 / 5 (22) |
37
|
Researchers find evidence of fire in Antarctic ice
(PhysOrg.com) -- A team of scientists studying Antarctic ice cores have found surprising evidence of a fluctuating pattern of carbon monoxide concentrations in the Earth's atmosphere caused by biomass burning in the Southern ...
Space & Earth / Earth Sciences
Dec 02, 2010 |
4.6 / 5 (8) |
0
|
Dramatic climate change is unpredictable
The fear that global temperature can change very quickly and cause dramatic climate changes that may have a disastrous impact on many countries and populations is great around the world. But what causes climate ...
Space & Earth / Earth Sciences
Aug 30, 2010 |
3.7 / 5 (22) |
51
|
Large CO2 release speeds up ice age melting
Radiocarbon dating is used to determine the age of everything from ancient artifacts to prehistoric corals on the ocean bottom.
Space & Earth / Earth Sciences
Aug 26, 2010 |
3.5 / 5 (11) |
2
|
