Show Posts
1
Arctic sea ice / Re: "Smart" and "Stupid" Questions - Feel Free To Ask
« on: July 19, 2020, 11:12:49 PM »
Lurker since Neven began (and I've learned a lot so much gratitude to the many who work so hard to illuminate and educate the rest of us.)
Question: When, not if, the CAB melts out does that herald an entirely new and fundamentally different freezing pattern? My understanding (albeit based on a few years doing something entirely different in the Canadian Arctic in the 70s) is that the refreeze proceeds from shore or ice-edge outwards and occurs first in calm or protected waters or leads among floes. Open ocean, open to wind reach and upwelling, unprotected by ice cover from sub-freezing atmosphere and the surface water turnover from waves is last (or never) to freeze (like the higher latitudes of the Atlantic or the circumpolar Antarctic seas. So, once there is a open CAB will the Arctic perimeter refreeze before the central ocean and could it survive a winter? Many thanks in advance.
Question: When, not if, the CAB melts out does that herald an entirely new and fundamentally different freezing pattern? My understanding (albeit based on a few years doing something entirely different in the Canadian Arctic in the 70s) is that the refreeze proceeds from shore or ice-edge outwards and occurs first in calm or protected waters or leads among floes. Open ocean, open to wind reach and upwelling, unprotected by ice cover from sub-freezing atmosphere and the surface water turnover from waves is last (or never) to freeze (like the higher latitudes of the Atlantic or the circumpolar Antarctic seas. So, once there is a open CAB will the Arctic perimeter refreeze before the central ocean and could it survive a winter? Many thanks in advance.
2 Likes