Geology
- Svalbard Hotter Than Medieval Warm Period- Study
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Researchers have determined that summers on the Norwegian archipelago of Svalbard are now warmer than at any other time in the last 1,800 years, including during medieval times when parts of the northern hemisphere were as hot as, or hotter, than today. ...
Article - News Staff - Oct 1 2012 - 9:42am
- A Common Trigger For Earth's Largest Volcanic Eruptions
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The Las Cañadas volcanic caldera on Tenerife in the Canary Islands has generated at eight major eruptions during the last 700,000 years, catastrophic events which resulted in eruption columns of over 10 miles high and expelled widespread pyroclastic mater ...
Article - News Staff - Oct 13 2012 - 10:57am
- Disaster Trifecta 40,000 Years Ago: Climate Shifts, Geomagnetic Field Reversal And A Super Volcano
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Researchers from Germany and Switzerland did an analysis on sediment cores from the Black Sea and concluded that, for a brief period during the last ice age, a compass at the Black Sea would have pointed south instead of north. And that wasn't the wor ...
Article - News Staff - Oct 18 2012 - 4:30am
- How Mars Is Like A Mexican Valley
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Where will you find gypsum rocks forged by fire and water millions of years ago? ...
Article - News Staff - Oct 29 2012 - 2:31pm
- What Nereidum Montes Can Tell Us About The Glacial Past Of Mars
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On June 6th, ESA’s Mars Express revisited the Argyre basin, this time aiming at Nereidum Montes, some 380 km northeast of Hooke crater. The rugged terrain of Nereidum Montes marks the far northern extent of Argyre, one of the largest impact basins on Mars ...
Article - News Staff - Nov 2 2012 - 10:04am
- Found: The Climate Change Trigger For Earth's Last Big Freeze
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Did the flood waters from melting of the Laurentide Ice Sheet in the last major cold episode on Earth about 12,900 years ago flow northwest into the Arctic firs, or east via the Gulf of St. Lawrence to weaken ocean thermohaline circulation and have a frigi ...
Article - News Staff - Nov 5 2012 - 4:48pm
- Reduced El Niño Activity In Early 15th To Middle 17th Centuries- The Coral Record
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The El Niño-Southern Oscillation (ENSO) drives many of the catastrophic climate events that occur from one year to the next: floods, droughts, wildfires, and hurricanes. However, climate scientists do not yet know how ENSO will respond to climate change. ...
Article - News Staff - Nov 14 2012 - 10:22am
- Transfluence- Glacial-Drainage Capture Can Tell Us More Than The Sedimentary Record About Climate Change
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Mountain glaciers respond to climate change by rapidly advancing or receding as global temperatures have spiked upward and downward numerous times throughout geological history. Those changes in glacier extent control hydrology, sediment transport, and de ...
Article - News Staff - Nov 24 2012 - 12:10pm
- Found: Evidence For Water Ice Deposits And Organic Material On Mercury
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Article - News Staff - Nov 29 2012 - 6:09pm
- 6 Million Years? Age Estimates Of Grand Canyon Way Off, Says Study
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The Grand Canyon is spectacular to look at but figuring out how old it is can be frustrating. A new paper says that conventional models and estimates of the last 150 years are way off- it is far older than the 5 to 6 million years old commonly thought. &q ...
Article - News Staff - Nov 30 2012 - 4:30am
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