By Steven Goddard The topic this week is verification of data sources. NSIDC reports : At the end of the month, extent fell near the level recorded in 2006, the…
Category: Sea ice
Then and now, Europe, US to see snowy, cold winters: expert
By charles the moderator From the “No matter what happens we can attribute it to Anthropogenic Climate Change” Department. In a story in physorg.com James Overland of the US National…
What is PIPS?
By Steven Goddard There have been a number of inaccurate claims made by commentors about Navy PIPS2 ice thickness maps. These claims have been along the lines of : PIPS isn’t…
Concentration vs. Extent
By Steve Goddard The sea ice concentration game. Arctic Ice is more concentrated in 2010 than in past years The record low Arctic Oscillation during the past winter led to…
2007 Sea Ice Post Mortem
By Steve Goddard “In everyone’s life, there is a summer of ’42 + 65” By now, we have all been bludgeoned senseless with talk of how Arctic Ice dramatically declined…
WUWT Arctic Sea Ice News #8
By Steven Goddard The quest for the Holy Grail. I have been looking for a reliable early predictor of September area/extent based on June ice data, and have found it…
The undeath spiral
By Steve Goddard Over the last three years, Arctic Ice has gained significantly in thickness. The graph above was generated by image processing and analysis of PIPS maps, and shows…
PIOMAS (non) Verification II
By Steve Goddard In my previous PIOMAS verification piece I noted that PIOMAS volume trends don’t correlate with extent trends over the last three years. PIOMAS has gone down since…
Arctic Ice Volume Has Increased 25% Since May, 2008
By Steve Goddard and Anthony Watts The Navy requires accurate sea ice information for their operations, and has spent a lot of effort over the years studying, measuring, and operating…
Does PIOMASS verify?
Pursuant to the previous post on The great 2007 ice crunch – it wasn’t just melt this is a follow up post for questions raised there. By Steve Goddard One of…
The great 2007 ice crunch – it wasn't just melt
By Steve Goddard CIRES photo of an Arctic ice pressure ridge I generated an animation of 2007 sea ice thickness from the US Navy’s PIP database, and noticed something remarkable.…
Shear Ice Decline
By Steve Goddard JAXA shows the area immediately west of Barrow, Alaska as ice free. And it appears to be melting away from the shore. The animation below shows the…
Past the tipping point
By Steve Goddard In 2007, Dr. Hansen boldly declared “…defying government gag orders. Hansen told Reuters, quote, “The reason so much (of the Arctic ice) went suddenly is that it…
The Sea Ice Monster: it's a scaly thing
By Steve Goddard and Anthony Watts If you zoom in far enough, most anything looks scary, like this picture of a human head louse. But when you look at it…
Sea Ice Graphs Have Limited Predictive Value
By Steve Goddard I like to watch the sea ice graphs as much as anyone, and have wondered how much value they have in forecasting the summer minimum. So I…
500,000 km2 Discrepancy Between NSIDC and NORSEX
NOTE: there are some animated GIF’s in this post that may take time to fully load. Patience please. By Steve Goddard Monday’s NSIDC Arctic ice extent graph took a turn…
"Catastrophic" retreat of glaciers in Spitsbergen
I’ve been given a report on glaciers and sea ice in the Arctic that I want to share with readers. There’s some compelling evidence of glacier melting and open water…
Climate Craziness of the Week – MSM jumps on alarming headline
From a University of Leeds press release, comes this scary headline that seems to be picked up by the MSM. A Google search yields 16,400 hits on the title below.…
Is Melting Ice Warming The Arctic?
By Steve Goddard Guardian photo : Ann Daniels Enjoying The Warming Arctic Yesterday, WUWT reported on a University of Melbourne study claiming that melting ice is behind the warming of…
Study: Melting sea ice major cause of warming in Arctic
No mention of missing “M’s” here in this press release from University of Melbourne Melting sea ice has been shown to be a major cause of warming in the Arctic…
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