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Arctic Sea Ice 2022

Arctic Sea Ice 2022

Unread postby Tanada » Tue 22 Mar 2022, 10:57:34

By what can only be called a coincidence data from NSIDC shows that the Arctic Sea Ice Maximum for 2022 was on 2/25/2022 the same day of the Antarctic new record minimum.
In the Arctic case this years max is just above the trend line for 2011-2020 so is well within the statistical noise of the recent past. It is higher, but not anywhere near a record high with satellite measurement showing 14,875,000 km^2 extent.
NSIDC Arctic default chart

Using the same chart the all time Satellite extent record was set on 3/2/1979 and clocked in with 16,593,000 km^2 sea ice. At this point there is no significant down trend yet in evidence so guessing a minimum for 2022 would be pure speculation.
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Re: Arctic Sea Ice 2022

Unread postby Tanada » Thu 12 May 2022, 22:01:26

https://nsidc.org/data/tools/arctic-sea-ice-chart/

For the last two months we have been at or below the average numbers for this time of year.
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Re: Arctic Sea Ice 2022

Unread postby Newfie » Fri 13 May 2022, 06:20:38

Thanks for posting.
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Re: Arctic Sea Ice 2022

Unread postby JuanP » Tue 07 Jun 2022, 18:25:03

The latest NSIDC report is out:
https://nsidc.org/arcticseaicenews/

"Average Arctic Sea ice extent for May 2022 was 12.88 million square kilometers (4.97 million square miles) (Figure 1). This was 410,000 square kilometers (158,000 square miles) below the 1981 to 2010 average, yet it was the highest May extent since 2013. As was the case for April, sea ice extent was slow to decline, losing only 1.28 million square kilometers (494,000 square miles) during the month. Ice loss in May occurred primarily in the Bering Sea, the Barents Sea, and within Baffin Bay and Davis Strait. However, several openings, or polynyas, in the pack ice have started to form, particularly within the eastern Beaufort Sea, the Chukchi Sea, the Laptev Sea, and around Franz Joseph Land in the northern Barents Sea. Ice also started to pull back from the shores of Russia in the Kara Sea. In Hudson Bay, the ice started to melt out in the south within James Bay and off of Southampton Island in the north. Overall, the daily sea ice extent tracked within the interdecile range (encompassing 90 percent of the 1981 to 2010 daily values) for much of the month. By the end of the month, extent was close to the sea ice extent observed in late May 2012."

Right now, the artic sea ice extent is very slightly below the same date in 2012 (essentially the same), the year of the all-time low. But, of course, we are talking about much thinner ice.
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Re: Arctic Sea Ice 2022

Unread postby Tanada » Sat 18 Jun 2022, 12:42:11

Average Arctic sea ice extent for May 2022 was 12.88 million square kilometers (4.97 million square miles) (Figure 1). This was 410,000 square kilometers (158,000 square miles) below the 1981 to 2010 average, yet it was the highest May extent since 2013. As was the case for April, sea ice extent was slow to decline, losing only 1.28 million square kilometers (494,000 square miles) during the month. Ice loss in May occurred primarily in the Bering Sea, the Barents Sea, and within Baffin Bay and Davis Strait. However, several openings, or polynyas, in the pack ice have started to form, particularly within the eastern Beaufort Sea, the Chukchi Sea, the Laptev Sea, and around Franz Joseph Land in the northern Barents Sea. Ice also started to pull back from the shores of Russia in the Kara Sea. In Hudson Bay, the ice started to melt out in the south within James Bay and off of Southampton Island in the north. Overall, the daily sea ice extent tracked within the interdecile range (encompassing 90 percent of the 1981 to 2010 daily values) for much of the month. By the end of the month, extent was close to the sea ice extent observed in late May 2012.


NSIDC
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Re: Arctic Sea Ice 2022

Unread postby Tuike » Thu 20 Oct 2022, 15:52:28

How was Arctic sea ice this melting season? Our president tweeted this today.

This should be a warning sign. Here, the edge of the Langjokull glacier has retreated about a 100 meters since 2020. I’ve often stated: “If we lose the Arctic, we lose the globe.”
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https://twitter.com/niinisto/status/1583081845415370752
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Re: Arctic Sea Ice 2022

Unread postby Plantagenet » Thu 20 Oct 2022, 23:57:42

I sailed through the Northwest Passage route across Arctic Canada in mid-September.....at the place where the Franklin Expedition was frozen into the sea for two straight years there wasn't even a hint of sea ice now.....the Northwest Passage is now wide open for ship passage at the very end of the summer. . Even farther north near Devon Island and Baffin Island the sea ice was almost entirely gone.

And at Beechy Island, where 3 members of the Franklin crew lie buried in the permasfrost, we had sunny weather and temperatures in the 50s.

Image
at Beechy Island 3 members of the Franklin crew were buried and have been frozen and preserved in the permafrost for the last 170 years....but it was sunny and in the 50s and more then warm enough to thaw permafrost when I was there a few weeks ago.

ON a global basis the summer is now over and the sea ice has now started refreezing and sea ice extent is growing again.

interactive-sea-ice-graph

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Re: Arctic Sea Ice 2022

Unread postby evilgenius » Sun 06 Nov 2022, 10:55:15

There is a great deal of hope in how the numbers during the pandemic reflect less ice loss in the Arctic. It means we have, potentially, more time than we thought because we might be able to reverse things even if they get worse. Starting the EV revolution now is not a bad idea. I would prefer to wait for solid state batteries to come along, so that far fewer people die in battery caused fires, but do we have time? We may. It could be what the charts are showing.
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