NSIDC's Dr. Walt Meier on PIPS -vs- PIOMAS

Guest post by Dr. Walt Meier Steve Goddard has written several contributions on sea ice lately, particularly on the PIPS model, and as expected there has been much discussion about sea ice as we’ve entered another summer melt season. I can’t possibly comment on everything, but I will provide some information on a few points.…

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Calculating global temperature

I’m happy to present this essay created from both sides of the aisle, courtesy of the two gentlemen below. Be sure to see the conclusion. I present their essay below with only a few small edits for spelling, format, and readability. Plus an image, a snapshot of global temperatures.  – Anthony By Zeke Hausfather and…

Greenland's Jakobshavn Glacier Retreat

By Steve Goddard, as a follow up to this story ‘ http://en.wikipedia.org/wiki/File:Jakobshavn_retreat-1851-2006.jpg The press has been getting worked up about a 7 km² chunk of ice which broke off the Jakobshavn (Greenland) glacier on July 6. Is this an unusual event? Since 1831, the glacier has retreated about 60km, as seen in the image above.…