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Messages - timbucks

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Arctic sea ice / Re: Stupid Questions :o
« on: May 28, 2017, 01:33:08 PM »
Probably a very stupid question but does ice formation require existing ice on which to build?  I can't see how ice would form in a flowing sea unless subject to flash freezing.  Can ice form off snow and rocks at the shore edge?  If not how would the Arctic recover if all the ice melted?

Arctic sea ice / Re: IJIS
« on: January 20, 2017, 11:21:47 AM »
tomorrow's graphs will show loss for area and at least a stall for extent.

So, uh, not to be a jerk about it, but what happened?

Just remember that a 1km2 block of ice of 100% coverage has an area of 1km2 and an extent of 1km2 but it can then lose 10% of that area and split up and become an area of 900,000m2 and a maximum extent of 6km2

Does the data that produces extent allow recalculation at different levels of ice cover - and if so what does a 25% coverage (or 50% coverage) give for an extent.

Arctic sea ice / Re: Arctic Image of the Day
« on: November 18, 2016, 12:41:48 PM »
I've been reading this forum (in lurk mode) for a long time, but only registered today.  I'd just downloaded PhotoScan on my phone and pulled out some old photos and I came across this one of me standing on ice floes at Prudhoe Bay in Alaska (I think the date is around June 25th in either 1997 or 1998) - it's hard to tell from Worldview but would there still have been ice that close to shore in June 2016?

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