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Summer 2018 Sea Ice Minimum Approaches | High Sierra Backpacker

Summer 2018 Sea Ice Minimum Approaches

Alex Wierbinski's picture

By Alex Wierbinski - Posted on 23 August 2018


Summer 2018 Sea Ice Minimum Approaches

Crazy North Hemisphere Heatwave of 2018 in the Arctic

The Oldest, Thickest Arctic Sea Ice Is Breaking For The First Time on Record,
Science Alert, August 22, 2018.


“The breakdown of some of the oldest and thickest sea ice in the Arctic has occurred for the first time in recorded history. Not once, but twice this year, the breaking ice has opened waters north of Greenland that are usually frozen even in summer.”

“...among the short-term consequences, it could threaten the survival of Arctic seals and polar bears, scientists say.”

Last of the Multiyear Ice
“...this last holdout of heavy ice is now becoming as mobile as any other part of the Arctic.”

"In the past, most of the ice in the Arctic has been multi-year ice, but that has been shrinking and now nearly all the ice in the Arctic is first-year ice.”

Last Holdout Leaving
"The only zone where multi-year ice has survived is north of Greenland, but this last holdout is now opened up and moving away from the coast."

Very Hot Summer of 2018
“...unusually warm conditions earlier this year in February, and now again in August, have thinned the ice to a degree that it can be pushed by the wind.”

“...a record high of 17 degrees Celsius (62.6 Fahrenheit). Norwegian Ice Service data also show that ice cover in the Arctic is 40 percent below the average for this time of year.”

Polar Bear Threat
“This could devastate the local polar bear population...as the steep cliffs on the north coast of Greenland is where a lot of the animals have their dens.”

“...if the pack ice has moved offshore, they come out hibernation and are left without an area to hunt,”

“...the old, thick, multi-year sea ice is gone, pushed out into open waters.”

A Warm Year
“...sea ice is not quite at its lowest recorded extent. That occurred in September 2012. However, it's getting close. In March of this year, the extent of the sea ice was the second-lowest on record for winter.”


Arctic Ice Research & Information

Climate Change, We are Killing the World: Massive 2018 Mid-Winter Arctic Warming


2018 Arctic Sea Ice Winter Maximum: Trend of Record Lows Continues


Another Warm Arctic Winter?


Sea Ice Minimum and Arctic Summer of 2017 Information: End of the Summer Melt, 8th Lowest of 13 Measured



On the Bottom Half

2018 Status of All Antarctic Ice: Ice Loss Triples


Tracking Arctic Ice

National Snow and Ice Data Center


A Comprehensive Analysis of the Arctic Summer of 2017 in Historical Context

Calls Arctic Sea Ice Minimum on September 13

(Also 8th Lowest of 13 Measured.)


More Arctic Sea Ice Information

Arctic Sea Ice Minimum,
NASA, Global Climate Change


U.S National Ice Center
Naval Ice Center

Daily Ice Analysis



Canadian Ice Service
Daily Analysis



2018 Oceans, Fish, Water, & Ice News

2015 through 2017 Fish, Water, Oceans, Ice, & People News





August 2018 News of Man & Nature






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Summer 2018, Sea Ice, Minimum, Approaches, thickest, oldest, multiyear ice, broken


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