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News tagged with geophysics

Cassini Sees Lightening on Saturn

(PhysOrg.com) -- NASA's Cassini spacecraft has captured images of lightning on Saturn. The images have allowed scientists to create the first movie showing lightning flashing on another planet.

Space & Earth / Space Exploration

created Apr 14, 2010 | popularity 4.8 / 5 (5) | comments 2

Studies agree on a 1 meter rise in sea levels

New research from several international research groups, including the Niels Bohr Institute at the University of Copenhagen provides independent consensus that IPCC predictions of less than a half a meter ...

Space & Earth / Earth Sciences

created Apr 13, 2010 | popularity 3.5 / 5 (33) | comments 32 | with audio podcast

NASA Study Finds Atlantic 'Conveyor Belt' Not Slowing

(PhysOrg.com) -- New NASA measurements of the Atlantic Meridional Overturning Circulation, part of the global ocean conveyor belt that helps regulate climate around the North Atlantic, show no significant ...

Space & Earth / Earth Sciences

created Mar 26, 2010 | popularity 4.6 / 5 (18) | comments 27 | with audio podcast

Greenland ice sheet losing mass on northwest coast (w/ Video)

(PhysOrg.com) -- Ice loss from the Greenland ice sheet, which has been increasing during the past decade over its southern region, is now moving up its northwest coast, according to a new international study.

Space & Earth / Earth Sciences

created Mar 23, 2010 | popularity 4.5 / 5 (20) | comments 6 | with audio podcast

Twenty-year study yields precise model of tectonic-plate movements

(PhysOrg.com) -- A new model of the Earth, 20 years in the making, describes a dynamic three-dimensional puzzle of planetary proportions.

Space & Earth / Earth Sciences

created Mar 22, 2010 | popularity 5 / 5 (10) | comments 5 | with audio podcast

Catastrophic flooding may be more predictable after researchers build a mini river delta

(PhysOrg.com) -- An interdisciplinary team of physicists and geologists led by the University of Pennsylvania has made a major step toward predicting where and how large floods occur on river deltas and alluvial ...

Space & Earth / Earth Sciences

created Mar 16, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New study debunks myths about Amazon rain forests

A new NASA-funded study has concluded that Amazon rain forests were remarkably unaffected in the face of once-in-a-century drought in 2005, neither dying nor thriving, contrary to a previously published report and claims ...

Space & Earth / Earth Sciences

created Mar 11, 2010 | popularity 5 / 5 (6) | comments 15 | with audio podcast

Scientists locate apparent hydrothermal vents off Antarctica

Scientists at Columbia University's Lamont-Doherty Earth Observatory have found evidence of hydrothermal vents on the seafloor near Antarctica, formerly a blank spot on the map for researchers wanting to learn ...

Space & Earth / Earth Sciences

created Mar 03, 2010 | popularity 4.5 / 5 (11) | comments 20 | with audio podcast

Chile quake occurred in zone of 'increased stress'

(PhysOrg.com) -- The massive, 8.8-magnitude earthquake that struck Chile Feb. 27 occurred in an offshore zone that was under increased stress caused by a 1960 quake of magnitude 9.5, according to geologist ...

Space & Earth / Earth Sciences

created Mar 01, 2010 | popularity 3.5 / 5 (2) | comments 1

Marine Scientist Finds 'Little Ice Age' Had Dramatic Effect on Gulf

(PhysOrg.com) -- More than 350 years ago, the temperatures in northern Europe dropped dramatically in an event known as the “Little Ice Age.” Now - deep below the waters of the Gulf of Mexico and buried in ...

Space & Earth / Earth Sciences

created Feb 22, 2010 | popularity 4.7 / 5 (23) | comments 25 | with audio podcast

Missing 'Ice Arches' Contributed to 2007 Arctic Ice Loss

(PhysOrg.com) -- In 2007, the Arctic lost a massive amount of thick, multiyear sea ice, contributing to that year's record-low extent of Arctic sea ice. A new NASA-led study has found that the record loss ...

Space & Earth / Earth Sciences

created Feb 19, 2010 | popularity 4.3 / 5 (9) | comments 1 | with audio podcast

Antarctic ice shelf collapse possibly triggered by ocean waves, Scripps-led study finds

Depicting a cause-and-effect scenario that spans thousands of miles, a scientist at Scripps Institution of Oceanography at the University of California - San Diego and his collaborators discovered that ocean ...

Space & Earth / Earth Sciences

created Feb 11, 2010 | popularity 4.6 / 5 (20) | comments 45 | with audio podcast

Layers in a Mars Crater Record a History of Changes

(PhysOrg.com) -- Near the center of a Martian crater about the size of Connecticut, hundreds of exposed rock layers form a mound as tall as the Rockies and reveal a record of major environmental changes on ...

Space & Earth / Space Exploration

created Feb 11, 2010 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Computer model demonstrates that white roofs may successfully cool cities

Painting the roofs of buildings white has the potential to significantly cool cities and mitigate some impacts of global warming, a new study indicates. The research, which is the first computer modeling study to simulate ...

Space & Earth / Earth Sciences

created Feb 01, 2010 | popularity 3.8 / 5 (8) | comments 5 | with audio podcast

Study Fumes Over City Park Grass

Plants are usually our allies when it comes to reducing the atmosphere's greenhouse gases, converting carbon dioxide into food and storing the gas' carbon in the soil below.

Space & Earth / Environment

created Jan 28, 2010 | popularity 3.7 / 5 (3) | comments 0