Arctic Report Card Documents 'Cascading Effects' Of Warming Ocean Temperatures

Alex Wierbinski's picture

By Alex Wierbinski - Posted on 12 December 2018


The Grading Process
NOAA science on Arctic Ice, photo credit NOAA.
NOAA Science on the Arctic Ice, Credit NOAA.

Global Ramifications

Arctic Report Card Documents 'Cascading Effects' Of Warming Ocean Temperatures,
NPR, December 12, 2018.

2018 NOAA Arctic Report Card


Vast Transformation
“The Arctic has experienced the "most unprecedented transition in history" in terms of warming temperatures and melting ice, and those changes may be the cause of extreme weather around the globe, according to the National Oceanic and Atmospheric Administration's 2018 Arctic Report Card.”

“...rapid warming over the past three decades has led to a 95 percent decline of the Arctic's oldest and thickest ice.”

“ may be the catalyst for extreme environmental events across the world.”

Fastest Change
"...the Arctic is warming at twice the rate of the rest of the globe, which is melting some of the region's oldest ice."

16 to 1%
“...back in the '70s, we had about 16 percent of the ice cover in the Arctic [that] was very old or more than four years old...And this year we're seeing that ... less than 1 percent of the Arctic ice pack is very old, multiyear ice."

Bad Omens
“Scientists observed record low sea-ice levels in the Bering Sea, off western Alaska, during the winter when ice is supposed to accumulate, according to the report. Instead, the Bering Sea lost a section of ice the size of Idaho.”

“Arctic Ocean temperatures are rising and sea ice levels are falling at rates not seen in the past 1,500 years. ”

“...if this leads to a larger warming area of the Arctic, you could start melting land glaciers on Greenland that could contribute to sea-level rise."

Algae Blooms in the Arctic
"...the lack of ice and the rising temperatures...(allowing)...harmful algae blooms in the Arctic Ocean are poisoning marine life and affecting coastal communities that rely on the ocean for their economic survival."

End of Cold
The Death of Life
“...reindeer and caribou populations have declined 56 percent in the past two decades because of environmental changes in the Arctic.”

Freak Weather Everywhere
“Arctic temperatures can also alter the behavior of the jet stream.”

"As the Arctic is warming at this really rapid rate, the jet stream is in fact slowing down, and as it slows, it creates these wobbles."



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