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Hi LRC, I've enjoyed reading your posts - as a bit of a lurker I always appreciate those who have an opinion and are brave enough to share. Too many of mine are proved wrong to quickly to post regularly but hopefully I'll improve before the ice is gone. On your post - I totally agree with ice in the Great Lakes (not good) and what about Lake Vanern in Southern Sweden - it's 80% plus ice concentration all year. I've swum (not skated) in a few Swedish lakes in Summer and they can be surprisingly warm - so I expect another anomaly. There is an explanation over at the NSIDC It makes sense but can someone please update the masks occasionally? It's just another excuse for the fake sceptics to have a go. Really agree that we need more data and field work fed into the algorithms. I don't feel the ice is structurally sound on many levels - polnyas will be a big part of the 2014 melt and perhaps 2013 still has a few surprises for us in that regard. A whole lot of holes and a whole big problem for our kids.
Toggle Commented Aug 28, 2013 on Hole at Arctic Sea Ice
Hi NUSnownFan, The best article on ice breakers, I've seen, is at the NSIDC's Icelights section - here's the link and an extract below. Meier said, “In late June, when the sun’s energy is strongest, the total sea ice extent is around 10 million square kilometers or 3.9 million square miles. An icebreaker cruising through the ice for 1,000 kilometers (620 miles) and leaving an ice-free wake of 10 meters (33 feet) would open an area of water 10 square kilometers (3.9 square miles) over the entire cruise. In contrast, the Arctic sea ice cover decreases by an average of over 9 million square kilometers or 3.5 million square miles each year during its melt season—an area larger than the contiguous United States. In total, researchers estimate that the number of icebreakers traversing the Arctic at any given time is usually less than three. So, Meier said, “The actual contribution is miniscule—only one part in a million of the total ice cover.” Me again.... Sea ice reduction is man made but it's not the ice breakers causing the holes - it's humanities reliance on Fossil Fuels. It's a complex, beautiful, intriguing arctic out there but the reality is that CO2's tearing it shreds. We need to understand the detail but the big picture is oh so very clear.
Toggle Commented Aug 28, 2013 on Hole at Arctic Sea Ice
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Aug 27, 2013