(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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The surface of the moon and rocky planets—Mars in particular—are of huge interest to anyone trying to explore our solar system. The surface must be known in as much detail as possible, for missions to land safely, or ...
Space Exploration
Jul 21, 2022
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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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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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(PhysOrg.com) -- Scientists and agencies monitoring the oil spill in the Gulf of Mexico are keeping a wary eye on changes in the nearby Loop Current, a warm ocean current that is part of the Gulf Stream.
Earth Sciences
May 25, 2010
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As shown by Pacific Northwest National Laboratory's Dr. Michael Henderson and Dr. Igor Lyubinetsky in their invited review article, using scanning probe microscopy techniques, in particular scanning tunneling microscopy or ...
Materials Science
Aug 5, 2013
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(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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(PhysOrg.com) -- Rising temperatures on the Greenland ice sheet cause the creation of large surface lakes called supra-glacial lakes. Now a Penn State geographer will investigate why these lakes form and their implications.
Earth Sciences
Feb 11, 2010
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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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Researchers have developed a way to use satellite imaging data to create 3D images that could quickly detect changes on the Earth's surface, a new study says.
Environment
Apr 27, 2022
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