Earth Sciences news

Melting Greenland ice sheets may threaten Northeast United States, Canada

Melting Greenland ice sheets may threaten Northeast United States, Canada

Space & Earth / Earth Sciences

created May 27, 2009 | popularity 4.2 / 5 (71) | comments 18

Melting of the Greenland ice sheet this century may drive more water than previously thought toward the already threatened coastlines of New York, Boston, Halifax, and other cities in the northeastern United ...


New Evidence of Early Glacial Development, History of Antarctic Ice Sheet Revised

New Evidence of Early Glacial Development, History of Antarctic Ice Sheet Revised

Space & Earth / Earth Sciences

created May 05, 2006 | popularity 4.6 / 5 (64) | comments 0

Syracuse University Professors Linda C. Ivany and Scott D. Samson along with colleagues at the University of Leuven in Belgium and Hamilton College have found evidence that expands our understanding about how ...


More Than a Meteor Likely Killed Dinosaurs 65 Million Years Ago

More Than a Meteor Likely Killed Dinosaurs 65 Million Years Ago

Space & Earth / Earth Sciences

created Oct 17, 2006 | popularity 4.1 / 5 (70) | comments 0

Growing evidence shows that the dinosaurs and their contemporaries were not wiped out by the famed Chicxulub meteor impact alone, according to a paleontologist who says multiple meteor impacts, massive volcanism ...


Deep Sea Sediments

Wind shifts may stir CO2 from Antarctic depths

Space & Earth / Earth Sciences

created Mar 12, 2009 | popularity 4.2 / 5 (69) | comments 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, ...


Surprisingly rapid changes in the Earth's core discovered

Space & Earth / Earth Sciences

created Jul 07, 2008 | popularity 4.2 / 5 (68) | comments 11

In a recent paper published in Nature Geoscience, the geophysicist Mioara MANDEA from the GFZ German Research Centre for Geosciences, Potsdam and her Danish colleague Nils OLSEN from the National Space Institute/DTU Copenh ...


New crustacean species found in cave near Ramle, Israel.

Unique Underground Ecosystem Revealed by Hebrew University Researchers Uncovers Eight Previously Unknown Species

Space & Earth / Earth Sciences

created May 31, 2006 | popularity 4.8 / 5 (60) | comments 0

Discovery of eight previously unknown, ancient animal species within “a new and unique underground ecosystem” in Israel was revealed today by Hebrew University of Jerusalem researchers.


Carbon dioxide did not end the last Ice Age

Carbon dioxide did not end the last Ice Age

Space & Earth / Earth Sciences

created Sep 27, 2007 | popularity 4.8 / 5 (59) | comments 3

Carbon dioxide did not cause the end of the last ice age, a new study in Science suggests, contrary to past inferences from ice core records.


Mukul Sharma and Rasmus Andreasen (Joseph Mehling '69)

Researchers find new information about Earth's origins

Space & Earth / Earth Sciences

created Oct 05, 2006 | popularity 4.3 / 5 (67) | comments 0

Two Dartmouth researchers have learned more about the origins and makeup of the solar nebula, the large gaseous cloud thought to have spawned the solar system. Mukul Sharma, assistant professor of Earth sciences, ...


Earth

Computer simulations strongly support new theory of Earth's core

Space & Earth / Earth Sciences

created Feb 08, 2008 | popularity 4.4 / 5 (64) | comments 3

Swedish researchers present in today’s Web edition of the journal Science evidence that their theory about the core of the earth is correct. Among other applications, the findings may be of significance for ou ...


Geologists Discover Origin of Earth's Mysterious Black Diamonds

Geologists Discover Origin of Earth's Mysterious Black Diamonds

Space & Earth / Earth Sciences

created Jan 09, 2007 | popularity 3.8 / 5 (74) | comments 0

If indeed "a diamond is forever," the most primitive origins of Earth's so-called black diamonds were in deep, universal time, geologists have discovered. Black diamonds came from none other than interstellar ...


Super-size deposits of frozen carbon threat to climate change

Space & Earth / Earth Sciences

created Jun 30, 2009 | popularity 4.7 / 5 (60) | comments 11

The vast amount of carbon stored in the arctic and boreal regions of the world is more than double that previously estimated, according to a study published this week.


Strong Evidence Points to Earth's Proximity to Sun as Ice Age Trigger

Strong Evidence Points to Earth's Proximity to Sun as Ice Age Trigger

Space & Earth / Earth Sciences

created Aug 27, 2007 | popularity 4.6 / 5 (60) | comments 0

When do ice ages begin? In June, of course. Analysis of Antarctic ice cores led by Kenji Kawamura, a visiting scientist at Scripps Institution of Oceanography, UC San Diego, shows that the last four great ...


Shrinking Bylot Island glaciers tell story of climate change

Shrinking Bylot Island glaciers tell story of climate change

Space & Earth / Earth Sciences

created Aug 31, 2009 | popularity 4.7 / 5 (59) | comments 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 ...


Ice-free Arctic Ocean possible in 30 years, not 90 as previously estimated

Space & Earth / Earth Sciences

created Apr 02, 2009 | popularity 4.4 / 5 (62) | comments 20

(PhysOrg.com) -- A nearly ice-free Arctic Ocean in the summer may happen three times sooner than scientists have estimated. New research says the Arctic might lose most of its ice cover in summer in as few ...


Ice sheets can retreat 'in a geologic instant,' study of prehistoric glacier shows

Ice Sheets Can Retreat 'In a Geologic Instant,' Study of Prehistoric Glacier Shows

Space & Earth / Earth Sciences

created Jun 21, 2009 | popularity 4.5 / 5 (61) | comments 20

(PhysOrg.com) -- Modern glaciers, such as those making up the Greenland and Antarctic ice sheets, are capable of undergoing periods of rapid shrinkage or retreat, according to new findings by paleoclimatologists ...