Here’s another guest post to get the thought processes working at the weekend. This question, posed by Bob FJ is a good one. The IPCC and the cryosphere experts seem to be telling us that ‘global warming’ is responsible for the downtrend in Arctic sea ice over the last few decades, during the warm phase of the ocean oscillations since we’ve had satellite measurements of total ice area.
Why does Arctic sea ice loss start in March at ~300C below freezing?
Guest post by Bob Fernley-Jones
Not only is it sub-freezing for several months, (see fig 2) but fig 1 shows the sun very low in the sky:
Figure 1 and the data are derived from this calculation tool.