Arctic Ice In Perspective 2021

Science Matters

With Arctic ice melting season winding down, warmists will again stoke fears about ice disappearing in the North. In fact, the pattern of Arctic ice seen in historical perspective is not alarming. People are over-thinking and over-analyzing Arctic Ice extents, and getting wrapped around the axle (or should I say axis).  So let’s keep it simple and we can all readily understand what is happening up North.

I have noticed at some other blogs people complain about my monthly Arctic ice updates focusing on extents starting in 2007. This post will show why that time period is entirely reasonable as a subject for analysis. I will use the ever popular NOAA dataset derived from satellite passive microwave sensors.  It sometimes understates the ice extents, but everyone refers to it and it is complete from 1979 to present.  Here’s what NOAA reports (in M km2):

We are frequently told that only…

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