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Greg Wellman

I'm strongly of the opinion that both CT and Bremen are short-term "fooled" into showing newly blue ice as a lower concentration. I think they then apply some sort of correction.

Lord Soth

To diverge on your copy-paste, this originated from the term cut and paste, and goes back to the days of PDP-8's and paper tape.

In those days if you had a bad line of code, you would physically cut the code out of the paper tape and paste (scotch tape) the new line of code, as it was the quickest method.

So the term cut and paste was invented.


I still have some rolls of paper-tape in my office, which shows how much of a packrat I am.

Sorry for the Nostalgic flashback; Now back to the crisis at hand.


Crisis? What crisis? ;-)

Thanks for the history class. I always wondered about 'paste'.


Cut-and-paste originated about 1500 with the 'commonplace book' - later know as a scrapbook. The method was later used in the printing industry to make mock-ups of pages prior to type-setting - long before the computer, or even the wireless transmitter and the kinematograph. ;-)

Patrick Lockerby

Peter Ellis

Even prior to 1500, it was in use in the culinary industry, with the manufacture of multiple identical shapes from dough. This so-called "cut-and-pasta" method was subsequently taken over by the scrapbook community, the paste itself being made from the overcooked remnants of the meal in question.

(P.S. Can it be Friday yet?)

Kevin McKinney

"Can it be Friday yet?"

Hell, no, don't rush me--I have Thursdays off!


This is a brilliant animation. There is alot to see here, it is the expansion of ponding that most catches my eye. The hard thing is to ignore the clouds. For those interested in the Beaufort Sea Gyre Woods Hole has an ongoing project providing good background data. Take a look at some of th historical model data on circulation extending back to 1952.


One other point this sea ice diminishing corresponds to the glacier retreat in the area most proximal to the Beaufort, the Brooks Range. Note the changes in Okpilak Glacier, observed by Matt Nolan, UAF.


Thanks for that link, Glacierchange. If we get into record territory towards September it will be interesting to have a look at what this might mean for glaciers on Greenland and surrounding the Arctic ocean. I'll be sure to ask for your advice when that moment comes.


I wrote a piece for Realclimate two years ago focusing on the Petermann Glacier . This glacier due its very thin floating terminus tongue and very large floating section is uniquely vulnerable to sea ice loss in Greenland. From the 30 day animation you link at CT it looks to have gone ice free this week. Thanks for all the thought provoking work.

Artful Dodger

Thanks for your continued great work, Nevin.

There is an excellent YouTube animation based on MODIS true color images showing the Beaufort gyre. It is titled "Arctic Sea Ice Melting 2010" available here:


The spin of the Sea Ice west of Banks Island beginning day 150 is remarkable (look West of the NW Passage).


That's a very nice animation! Especially as you can watch it full-screen in HD (which is not possible with the GIF animations I upload here). I'll link to it in my next animation post.

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