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Full Range of Rapid Climate Changes Across the Arctic Felt in Alaska

Full Range of Rapid Climate Changes Across the Arctic Felt in Alaska


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 17 October 2019

 

ECO-CRASHING NEWS-CLIMATE ISSUES INTERSECT IN ALASKA

The Incredible Rapidly Shrinking-Disappearing Alaskan Winters
Length of the snow season (gray bars) in Alaska each year from 1997-2018, by Rick Thoman, Alaska Center for Climate and Policy.
Length of the snow season (gray bars) in Alaska each year from 1997-2018. Orange slanting bars show the trend: the date when the state becomes 50 percent snow covered is arriving a week later in October than it used it, and the spring "snow-off" date—when half the winter snow has melted—is arriving nearly two weeks earlier. Image by Rick Thoman, Alaska Center for Climate and Policy.

 

Full Range of Rapid Changes Across the Arctic Felt in Alaska

New Report Highlights Alaska’s last Five Years of Dramatic Climate Change,
NOAA Climate, October 15, 2019.

MAIN POINTS

"Alaska’s climate is changing, thanks to human-caused global warming, and the effects are widespread and sometimes dangerous."

Three Week Seasonal Shift
"...the date when the state becomes 50 percent snow covered is arriving a week later in October than it used it, and the spring "snow-off" date—when half the winter snow has melted—is arriving nearly two weeks earlier."

Rapid Warming
"Alaska has been warming twice as quickly as the global average since the middle of the 20th century. Alaska is warming faster than any U.S. state. Alaska’s Changing Environment notes that, since 2014, there have been 5 to 30 times more record-high temperatures set than record lows."

Sea Ice
“Nothing in the Alaska environment is changing faster than sea ice."

"Risks"

Seafood
"The Alaska seafood industry generates $12.8 billion in annual economic output for the U.S. Climate change and ocean acidification put all the state’s fisheries at risk."

Infrastructure
"Greater snow and ice melt will lead to increases in transportation cost, as ice roads must be replaced with gravel roads. A 2004 report estimated the cost of gravel roads on the North Slope of Alaska at as much as $2.5 million per mile (2015 dollars)."

Rivers
“The river cycle is only one of many hundreds of cycles—biological, meteorological—that coincide and blend here in the absence of intruding artifice…while human beings have hunted, fished, and gathered wild food in this valley in small groups for centuries, they have not yet begun to change it.”

Until now...

 

 

Recent Dramatic Alaskan Heating

Hottest July, 2019
Alaska Setting Heat and Dryness Records during July of 2019

 

Hottest March, 2019
Alaska Skips Mid-Winter to Experience Late Spring Conditions in March

 

 

 

Rapid Arctic Warming in Progress

April 2019
ECO-CRASHING NEWS: Comprehensive Arctic Warming Underway
See the list of links at the bottom of this research above.

 

2019 Permafrost Report

Permafrost Melting Much Faster than Expected

May 2019
Abrupt Permafrost Thaw Underway Right Now

 

 

2019 Sea Ice

Sept 2019
2019 Arctic Summer Sea Ice Reaches Second Lowest Minimum on Record

 

 

Alaskan Glaciers Melting

April 2018
The End of Cold, 2018: Arctic Mountain Glaciers Melting Rapidly

 

 

 

ECO-CRASH NEWS

News of Man & Nature, October 2019

 

 

 

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Alaska, climate change, rapid, effects, Winter shortening, winter warming, sea ice melting, glaciers melting, permafrost melting, human, natural, infrastructure, damages

 

 

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