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Michael Fliss
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Toggle Commented Aug 27, 2013 on The Naming of Arctic Cyclones at Arctic Sea Ice
Lodger, The Laptev Bite is looking pretty ratty: A Lincoln Nibble has developed:
Gruss Gott! The Polarstern on August 8th found a floe 1 to 2 m thick at 84N and 30E on which to set up observatories. They hope it will not have melted when they return to it in October. Also, photo of ice floe at this site: The blog from the expedition is interesting with comments on the state of the Arctic ice and has more photos (it is in German but Google translator should work).
Toggle Commented Aug 15, 2012 on More news on CryoSat-2 at Arctic Sea Ice
Kris, From Wikipedia on Summit Camp deep drill: "On July 1,1993, the bedrock was reached." More information on Summit, Greenland:
Thanks, Apocalypse. Very cool. Neven had a great post on the Lena last year in April (A Warm River Runs Through It). I became familiar with Yakutsk when I became interested in a motorcycle trip on the Road of Bones, the M56 Kolyma Highway from Yakutsk to Magadan, in homage to those whose lives, literally, became a part of the road.
Kris, Yes, I suggested that the Lena River was flowing after looking at the MODIS images. I did read Apocalypse's comment from April 23 and your comment to it. However, the article cited was dated May 15, 2007. Do you have any references for the 2012 season?
The region between the New Siberian Islands and the Lena River Delta using the band 3,6,7 combination and pixel size 250m appears to be the same sort of ice that can be seen, for example, off the northeast coast of Greenland, including the wispy tendrils of ice. This is the time of the year when the Lena River thaws and the water is high and brown with sediment.
Neven, The Lambert Channel Polynya in that part of the Arctic, off Victoria Island, can now be seen. The following paper discusses this polynya: As we look for the causes of the melting Arctic ice and see the appearance of open water, it is helpful to be able to identify what areas are polynyas and what dynamics produce them.
Toggle Commented May 29, 2012 on Beaufort break-up at Arctic Sea Ice
It is the Flagler Bay Polynya, a latent-heat polynya, that is closest to the large North Water Polynya seen extending from Smith Sound to Kane Basin. The Flagler Bay Polynya has on its sides the Knud and Bache Peninsulas with meltwater channels that winds sweep down and the Bache Peninsula is a headland which affects the ocean currents.
Toggle Commented May 27, 2012 on ASI 2012 update 2: no daily data at Arctic Sea Ice
Nick, Neven: That lead off Banks Island is part of the Circumpolar Flaw Lead System that is recurrent. The U of Manitoba has studied it and the following article has a good map of the lead system and polynyas in the northern hemisphere where one might begin to look for the expansion of openings in the ice: This is a link to the Centre for Earth Observation Science at the U of M and the studies that were conducted:
Toggle Commented May 1, 2012 on 2011/2012 Winter Analysis at Arctic Sea Ice
Any estimates on the thickness of the ice in this lead off Banks Island,Canada? The Lance-Modis image is 250m pixel size.
Toggle Commented Apr 27, 2012 on ASI 2012 update 1: a new beginning at Arctic Sea Ice
Phil 263 On the CT calendar, isn't the first day every year designated .0000? Then, .0027 (1/365) is day 2. That is, .0027 X 365 = 1 +1 = day 2. So, .2877 x 365 = 105 + 1 = day 106! Leap year 2004 had two .1644 dates and leap year 2008 had two .4438 dates. Any bets when leap year 2012 will duplicate dates?
Toggle Commented Apr 18, 2012 on April 2012 Open Thread at Arctic Sea Ice
Philiponfire, I believe that is the Hell Gate Polynya between Ellesmere Island and Devon Island at the Norwegian Bay end of Jones Sound.
Toggle Commented Apr 13, 2012 on April 2012 Open Thread at Arctic Sea Ice
The Hudson Strait near Kimmirut (very top of LANCE-MODIS image) appears to be fairly free of ice.
Toggle Commented Apr 6, 2012 on April 2012 Open Thread at Arctic Sea Ice
In this MODIS tera 250m Bands 3-6-7 image from day 72(vector option coast only) Arctic_ r02c05 Subset, one can see tendrils of ice reaching across open sea towards a partially iced Kara Strait. If you are not sure of of the meaning of the bands (I'm sure many are), the colors of the image are explained in the link below.
Toggle Commented Mar 12, 2012 on March 2012 Open Thread at Arctic Sea Ice
A rare FE-3 tornado came through my town in Western Mass, USA last June 1st travelling for 63km. The link below is noaa's take on tornado season and whether or not tornadoes are connected to El Nino and climate change. Find the info under tornado climatology and data.
Toggle Commented Mar 4, 2012 on March 2012 Open Thread at Arctic Sea Ice
Many good photos from the Healy AloftConn of the ice in Nome's harbor and of the Russian tanker Renda as it prepares to deliver diesel fuel and gasoline to the town.
Toggle Commented Jan 15, 2012 on January 2012 Open Thread at Arctic Sea Ice
Notes from yet another climate change site: This a map of Western Massachusetts, USA, October 28, 2011. And today the webcam from Churchill, Manitoba, Canada showed polar bears hanging out on snowless tundra waiting for the ice.
Toggle Commented Oct 29, 2011 on October 2011 Open Thread at Arctic Sea Ice
Check this out:!/photos/player/polar-bear-cam-setup
Toggle Commented Oct 28, 2011 on October 2011 Open Thread at Arctic Sea Ice
A unique ecosystem was lost with the crumbling of the Ward Hunt Ice Shelf and the destruction of its epishelf lake. The change was sudden and gone was the chance to study microbial communities that form the base of the food chain from which arctic ocean life draws its energy.
Toggle Commented Sep 29, 2011 on You do it to your shelf at Arctic Sea Ice
It is just stunning to see in the animations below how rapidly, in only days, these massive areas of ice break away from the ice shelf where they have been secured for thousands of years and stream towards the Beaufort Sea.
Toggle Commented Sep 29, 2011 on You do it to your shelf at Arctic Sea Ice
Below is a favorite image of mine of Dr. Derek Mueller wading in a meltwater lake of the Markham Ice Shelf. This is the true image of our graphs, our math, our maps of bright, false colors: The meeting of two ends of the food chain that need each other.
Toggle Commented Sep 29, 2011 on You do it to your shelf at Arctic Sea Ice
Yikes! CNN unleashed the masses!
Toggle Commented Sep 12, 2011 on First uptick IJIS at Arctic Sea Ice
Twemoran, thanks for your observations. The Ward Hunt, as have the Ayles and Markham, will cease to exist, sooner than later. The fractures are deep and the fresh water from the epishelf lake is no longer there to add ice to the bottom of the shelf. It will exist as icebergs in the beaufort to intimidate the oil interests.
Twemoran, when you mention the "sliver of ice" are you speaking of the ice just north of Ward Hunt Island? Are you saying that soon the Ward Hunt Ice Shelf will fracture and separate from its grounding line? Considering how quickly the epishelf lake drained in 2002, change can occur in a very short time. I was looking at images of this ice shelf from 2002, 2010, and 2011 day 239 and the ice shelf to the west of Ward Hunt Island looks similar in all 3 and similar to the image from day 253.