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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?

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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.

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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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