News tagged with sediment core
Fastest sea-level rise in two millennia linked to increasing temperatures
(PhysOrg.com) -- An international research team including University of Pennsylvania scientists has shown that the rate of sea-level rise along the U.S. Atlantic coast is greater now than at any time in the ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
4 / 5 (17) |
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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) |
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Arctic ice at low point compared to recent geologic history
Less ice covers the Arctic today than at any time in recent geologic history. That's the conclusion of an international group of researchers, who have compiled the first comprehensive history of Arctic ice.
Space & Earth / Earth Sciences
Jun 02, 2010 |
3.6 / 5 (23) |
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Scientists detect huge carbon 'burp' that helped end last ice age
(PhysOrg.com) -- Scientists have found the possible source of a huge carbon dioxide 'burp' that happened some 18,000 years ago and which helped to end the last ice age.
Space & Earth / Earth Sciences
May 27, 2010 |
3.7 / 5 (31) |
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Scientists probe Earth's core
We know more about distant galaxies than we do about the interior of our own planet. However, by observing distant earthquakes, researchers at the University of Calgary have revealed new clues about the top ...
Space & Earth / Earth Sciences
Apr 28, 2010 |
4.4 / 5 (20) |
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California's Ancient Kelp Forest
(PhysOrg.com) -- The kelp forests off southern California are considered to be some of the most diverse and productive ecosystems on the planet, yet a new study indicates that today's kelp beds are less extensive and lush ...
Nov 10, 2009 |
4.7 / 5 (6) |
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Global warming: Our best guess is likely wrong
No one knows exactly how much Earth's climate will warm due to carbon emissions, but a new study this week suggests scientists' best predictions about global warming might be incorrect.
Space & Earth / Earth Sciences
Jul 14, 2009 |
4.6 / 5 (49) |
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The first evidence of pre-industrial mercury pollution in the Andes
The study of ancient lake sediment from high altitude lakes in the Andes has revealed for the first time that mercury pollution occurred long before the start of the Industrial Revolution.
May 18, 2009 |
4.4 / 5 (9) |
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Scientists core into California's Clear Lake to explore past climate change
(Phys.org) -- University of California, Berkeley, scientists are drilling into ancient sediments at the bottom of Northern California's Clear Lake for clues that could help them better predict how today's ...
Space & Earth / Earth Sciences
May 03, 2012 |
5 / 5 (2) |
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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) |
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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) |
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Scientists study earthquake triggers in Pacific ocean
(PhysOrg.com) -- New samples of rock and sediment from the depths of the eastern Pacific Ocean may help explain the cause of large, destructive earthquakes similar to the Tohoku Earthquake that struck Japan ...
Space & Earth / Earth Sciences
Jun 29, 2011 |
4.5 / 5 (2) |
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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) |
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Rapid changes in Greenland climate last 5,000 years, study finds
(PhysOrg.com) -- Abrupt average temperature changes of as much as 4 or 5 degrees Celsius over a few decades may have profoundly affected human civilization for cultures that occupied western Greenland over ...
Space & Earth / Earth Sciences
Jun 01, 2011 |
4.1 / 5 (7) |
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2,300-year climate record suggests severe tropical droughts as northern temperatures rise
A 2,300-year climate record University of Pittsburgh researchers recovered from an Andes Mountains lake reveals that as temperatures in the Northern Hemisphere rise, the planet's densely populated tropical ...
Space & Earth / Earth Sciences
May 11, 2011 |
4.9 / 5 (8) |
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