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You are browsing the archive for Arctic Sea Ice Archives - Page 2 of 4 - Dan's Wild Wild Science Journal.

30 November 2016

The Warm November May Be Setting Us Up For a Cold Winter

The Arctic Sea ice continues to run at record lows, and this has potentially large implications on the winter ahead. Instead of white ice reflecting what little sunlight is available north of 60 degrees, we have ocean water rapidly losing its heat into the atmosphere of the High Arctic. The ice that’s usually there now acts as an insulator to hold in the heat, but not this year! How all …

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16 September 2016

Arctic Ice Melt Reaches 2nd Lowest On Record

This press release from the National Snow and Ice Data Center this evening: BOULDER, Colo.—The Arctic’s ice cover appears to have reached its minimum extent on September 10, 2016, according to scientists at the National Snow and Ice Data Center (NSIDC). Arctic sea ice extent on that day stood at 4.14 million square kilometers (1.60 million square miles), statistically tied at second lowest in the satellite record with the 2007 …

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4 April 2016

As The Science Gets Better, The News Gets Worse on Sea Level Rise

I spent the weekend reading the new paper in Nature last week that made a lot of news. (Justin Gillis at The NY Times has an excellent summary of the paper here). If you missed it, the short version is that for the first time, researchers used a series of coupled models to produce a more realistic look at what will happen to Antarctica in the coming decades and centuries. There …

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15 September 2015

Arctic Sea Ice Reaches 4th Lowest Extent on Record

The summer sea ice melt has ended in the High Arctic, and the ice pack melted back to the 4th lowest extent on the satellite record. From the Nat. Snow Ice Data Center: On September 11, 2015, sea ice extent dropped to 4.41 million square kilometers (1.70 million square miles), the fourth lowest minimum in the satellite record. This appears to be the lowest extent of the year. In response to …

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4 September 2015

The Great Polar Melt Continues

We are nearing the end of the summer melt season in the High Arctic and once again we are flirting with the lowest amount of sea ice on record. The graph above is a striking confirmation of just what is happening. Here is the latest from NSIDC: August saw a remarkably steady decline in Arctic sea ice extent, at a rate slightly faster than the long-term average. Forecasts show that …

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12 July 2015

Coastal Oceanography off North-East Greenland

THIS IS A GUEST POST BY OCEANOGRAPHER ANDREAS MUENCHOW AT THE UNIV. OF DELAWARE Greenland is melting, but it is not entirely clear why. Yes, air temperatures continue to increase, but what does it matter, if those temperatures are below freezing most of the time. What if the ocean does most of the melting a few 100 m below the surface rather than the air above? It means that gut feeling …

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13 November 2014

Some Really Good Science Journalism

I saw three pieces of REALLY good science journalism today, and (in case you missed one or all three) here they are. I usually give top marks on science journalism to the BBC, but the best reporting (BY FAR) today on the Rosetta Probe and it’s Philae Lander came from MSNBC host Rachael Maddow. Well worth a watch: Next is a piece by my friend Bob Henson (who is trying …

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30 September 2014

The Devil In The Climate Change Details

  Greenland is melting, the oceans are warming, the sea is rising (and becoming more acidic), and the Arctic sea ice is in a serious decline (that seems to be faster than predicted). These are all things that those who work in climate science understand and accept. They also accept that they are almost certainly being caused by rising greenhouse gases in our atmosphere. Yes, large portions of the public may not …

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19 July 2014

State Of The Climate 2013

Tom Karl NOAA NCDC Director: “The climate is changing more rapidly in today’s world than at any time in modern civilization.”  (to CBS News ) Entire report here. The ABSTRACT: and this one sidebar is particularly interesting:  

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9 May 2014

Improving Predictions of Summer Sea Ice Melt

Just a quick post to say that THIS is a good read. Apparently there is a correlation between melt ponds in the spring, and the September sea ice extent. This makes sense,as you will see, when you read this post in Climate Lab Book, by Ed Hawkins.

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