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Arctic sea ice / Re: IJIS
« on: October 29, 2016, 02:41:56 PM »
.. as expected ..
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Why are we seeing a positive spike forming on DMI 80N?
I thought Latent Heat of Fusion was supposed to keep temps pegged around melting until the ice was gone???
Today is day # 213 of 365. DMI N80 temps typically fall below 0°C around day 230. To a rough approximation then, we can expect refreeze to match melt in another two weeks north of 80°.
Marginal ice zones next to open water (the Laptev bite and the Atlantic sector) could continue a bit longer, but the central CAB only has a couple of weeks to reduce extent before it starts refreezing.
After that, compaction events will not have as large an effect because the interstitial openings will start being filled with new ice.
You read a lot into my comment which I did not write.
Well... I wasn’t responding directly to you and maybe I did sorta go off on a tangent there lol Now, to respond to what you said.If the relative size of current flow in this graphic is correct there's a lot of flow through the Nares Straight. That's right in the middle of where the thickest ice is normally found. A broken up pack of MYI might head out on that route in larger amounts than via the Fram.
While that graphic may look great at first, the proportions of current flow(s) depicted do seem to be misleading. Nares strait is extremely unlikely to export more ice than the Fram, multiyear or younger. In 2007 there was a dramatic increase in export through Nares but that was still only about 10 % of Fram. It's just too narrow and there is significant ice calving off the glaciers that feed into it which is only likely to increase as the arctic warms. So... only maybe, would it be possible if/when there is so little ice left that most of what would go out the Fram melts before making it’s way across the top of Greenland. -The graphic must be a bit off, maybe a lot off.