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Hi, this was really great. One question and one comment on a change of emphasis that I might employ. "Arctic sea ice acts as a buffer, cooling our summers & warming our winters" -- Slide 33. Is it true that Arctic sea ice warms our winters? I recall that the effects on the jet stream in 2012/2013 tended to cool areas over land and added moisture contributed to greater snowfall (I think), but I don't remember hearing that our Canadian winters would be colder. I thought it was just more persistent blocking that could be predicted.
My comment may just be for personal preference, but I think I would instead focus on September rather than minimums. But maybe that's just me.
Collaborative Arctic Sea Ice Presentation Project
Last week I received an e-mail from commenter Terry Moran, also know as Twemoran or TerryM. In the past couple of weeks he has been working on a talk called The Demise of Arctic Sea Ice that he recently held for a small audience in Canada (here is the original presentation on Google Docs, and ...
From the post: "2) the thin ice that now grows to fill up the leads, will go first when the melting starts, potentially leading to more open water between floes to absorb solar energy and convert it to heat."
Is the effect all solar? I wonder if the another deleterious effect of the cracking is to get more salt into/onto the ice and lowering its melting point.
Crack is bad for you (and sea ice)
The previous pun - cracks of dawn - was wearing off, and the comment section was getting full, so here's a new pun and blog post dedicated to the cracking event that started in the Chukchi and Beaufort Seas a couple of weeks ago, and then moved on to the multi-year ice against the Canadian Archi...
But what about the negative feedback of loss of heat in the winter? Stoat has mentioned before that just losing the ice in summer isn't enough - the positive feedback is counteracted.... I've never tried to tally it up, so I'm just asking if you're considering it.
Record dominoes 7: Arctic ROOS sea ice extent
There are several scientific organisations that keep an eye on the Arctic sea ice cover and put out graphs to inform us of the amount of ice that is left. You can see most, if not all, of them on the ASI Graphs webpage. I expect the record on most of these graphs to be broken in weeks to come. -...
Looks like NSIDC has reverted to their earlier graph....
Record dominoes 8: NSIDC daily sea ice extent
There are several scientific organisations that keep an eye on the Arctic sea ice cover and put out graphs to inform us of the amount of ice that is left. You can see most, if not all, of them on the ASI Graphs webpage. I expect the record on most of these graphs to be broken in weeks to come. -...
2008 looks more 'wiggly' than other years in this figure. It looks more 'wiggly' than in figures I've seen before. Is this an artifact of this measure of sea ice? Or is this reflecting something special about weather patterns in 2008? General question: is there anything to learn from how steadily or not the ice oscillates between max and min?
Record dominoes 7: Arctic ROOS sea ice extent
There are several scientific organisations that keep an eye on the Arctic sea ice cover and put out graphs to inform us of the amount of ice that is left. You can see most, if not all, of them on the ASI Graphs webpage. I expect the record on most of these graphs to be broken in weeks to come. -...
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Aug 25, 2012
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