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You are browsing the archive for Geophysical Research Letters Archives - GeoSpace.

13 February 2019

Mining climate models for seasonal forecasts

A team of scientists has figured out a shortcut way to produce skillful seasonal climate forecasts with a fraction of the computing power normally needed.

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12 February 2019

Mediterranean hurricanes expected to increase in strength by end of century

Hurricane-strength storms in the Mediterranean could hit the region with increasing power by the end of the 21st century, growing to robust Category 1 strength, according to a new study in the AGU journal Geophysical Research Letters.

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1 February 2019

Climate change may push Santa Ana fire season into winter months

Climate models predict a narrowing of the Santa Ana season in tandem with the wet season in Southern California over the next century, which could leave vegetation dry and fire-prone as winds peak in December and January, according to a new study.

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22 January 2019

Two- to three- fold increase in heatwave occurrence and severity seen directly in UK temperature records

A two- to three-fold increase in heatwave activity in the United Kingdom since the late 19th century has been identified in a new analysis of historical daily temperature data.

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16 January 2019

New study quantifies deep reaction behind “superdeep” diamonds

By Joshua Rapp Learn Whether they are found in an engagement ring or an antique necklace, diamonds usually generate quick reactions from their recipients. Now, new research shows deep inside the Earth, fast reactions between subducted tectonic plates and the mantle at specific depths may be responsible for generating the most valuable diamonds. The diamonds mined most often around the world are formed in the Earth’s mantle at depths of …

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15 January 2019

New research shows significant decline of glaciers in Western North America

The first comprehensive assessment of glacier mass loss for all regions in western North America (excluding Alaskan glaciers) suggests that ice masses throughout western North America are in significant decline: glaciers have been losing mass during the first two decades of the 21st century.

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14 January 2019

Fort McMurray homes have normal levels of indoor toxic substances following wildfire, new study reveals

Researchers have examined dust from homes in Fort McMurray in Canada for evidence of harmful toxins left in the aftermath of the devastating 2016 wildfire. Their study reveals normal levels of contaminants that are comparable to homes across Canada, and so far, no evidence of long-term health risks from fire-ash exposure in residents’ homes

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6 December 2018

Wintertime Arctic Sea Ice Growth Slows Long-term Decline: NASA

New NASA research has found that increases in the rate at which Arctic sea ice grows in the winter may have partially slowed down the decline of the Arctic sea ice cover. As temperatures in the Arctic have warmed at double the pace of the rest of the planet, the expanse of frozen seawater that blankets the Arctic Ocean and neighboring seas has shrunk and thinned over the past three decades. The end-of-summer Arctic sea ice extent has almost halved since the early 1980s. A recent NASA study found that since 1958, the Arctic sea ice cover has lost on average around two-thirds of its thickness and now 70 percent of the sea ice cap is made of seasonal ice, or ice that forms and melts within a single year. But at the same time that sea ice is vanishing quicker than it has ever been observed in the satellite record, it is also thickening at a faster rate during winter.

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Scientists find causes of firenado in deadly Carr Fire

Climate, weather set the stage for uncontrollable inferno in Redding, California.

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31 October 2018

Not all coral reef islands may disappear with rising seas

Rising sea levels associated with climate change may not drown all coral reef islands, according to new research.

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