(Phys.org)—What does pulling a radar-equipped sled across the Arctic tundra have to do with improving our understanding of climate change? It's part of a new way to explore the little-known world of permafrost soils, which ...
Earth Sciences
Jan 4, 2013
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Walrus use sea ice as a reproductive, migration and resting habitat. However, as sea ice melts and recedes, this marine mammal increasingly is threatened.
Earth Sciences
Dec 14, 2012
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(Phys.org)—Seven years after the powerful Category 3 Hurricane Katrina caused widespread devastation along the Gulf Coast, a Category 1 Hurricane Isaac, with maximum sustained winds of 80 miles per hour (70 knots), is making ...
Earth Sciences
Aug 29, 2012
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(Phys.org) -- A new video from NASA's Dawn mission reveals the dappled, variegated surface of the giant asteroid Vesta. The animation drapes high-resolution false color images over a 3-D model of the Vesta terrain constructed ...
Space Exploration
Jun 7, 2012
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(PhysOrg.com) -- The tropical Pacific Ocean has transitioned from last winter's El Nino conditions to a cool La Nina, as shown by new data about sea surface heights, collected by the U.S-French Ocean Surface Topography Mission ...
Earth Sciences
Sep 16, 2010
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(PhysOrg.com) -- The moderate El Nino of the past year has officially bowed out, leaving his cool sister, La Nina, poised to potentially take the equatorial stage.
Earth Sciences
Jun 22, 2010
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(PhysOrg.com) -- The latest image from the U.S./French Jason-2 satellite finds a strong wave of warm water heading toward the Americas, fueling El Nino.
Earth Sciences
Nov 13, 2009
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(PhysOrg.com) -- Since May 2009, the tropical Pacific Ocean has switched from a cool pattern of ocean circulation known as La Niña to her warmer sibling, El Niño. This cyclical warming of the ocean waters in the central ...
Earth Sciences
Sep 29, 2009
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(PhysOrg.com) -- The most detailed map of the Moon ever created has revealed never-before-seen craters at the lunar poles. The map is also revealing secrets about the Moon's interior -- and hinting about Mars's interior as ...
Space Exploration
Feb 12, 2009
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(PhysOrg.com) -- This artist's rendering shows a "family portrait" of Jason-1, Topex/Poseidon, and OSTM/Jason-2, all NASA satellites that collect data about sea surface heights around the world. Sea surface heights are one ...
Earth Sciences
Feb 6, 2009
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