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Tag Archives Geology & Geophysics

How Shale Fracking Led to an Ohio Town’s First One Hundred Earthquakes

Since records began in 1776, the people of Youngstown, Ohio had never experienced an earthquake. However, from January 2011, 109 tremors were recorded and new research in Geophysical Research-Solid Earth reveals how this may be the result of shale fracking. In December 2010, Northstar 1, a well built to pump wastewater produced by fracking in […]

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Ice Clouds and Solar Winds: What Drives Mars’ Atmospheric Tides?

Atmospheric tides are global oscillations in pressure, temperature, and wind during the solar day which impact Earth’s upper atmosphere; yet on Mars they have effects throughout the atmosphere. Research in Geophysical Research Letters reveals how tidal variations in Mars’ atmosphere are controlled by the rotating planet’s surface temperature. The authors explore observations and modeling of […]

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Extreme Temperature Analysis Reveals 60 Years of Antarctic warming

Since the late 1940s the average temperature of the coldest days on the Antarctic Peninsula has soared by 14°C, a strong warming trend that Franzke found correlates most strongly with rising atmospheric carbon dioxide levels. Through a novel analysis of daily temperature records collected at the Vernadsky Research Base, the author identified the strong warming […]

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Greenhouse-gas Emissions Raise Extreme Temperatures in China

Humans are responsible for increasingly warm daily minimum and maximum temperatures in China, new research suggests. The study is the first to directly link greenhouse gas emissions with warmer temperature extremes in a single country, rather than on a global scale, according to the paper’s authors. “There is a warming in extreme temperatures over China, […]

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