Arctic melt season changes and the Arctic regime shift

“Despite the complete failure of every Arctic ice-free prediction so far, and the research and evidence that the Arctic is no longer melting as in past decades, some climate alarmists are rabidly attacking this interpretation and those that hold it…”

CLIMATE alarmists poster child – the Arctic – not melting as planned. Not much is panning out for the warmies these days!

“In conclusion, the evidence indicates that for the past 10 years:

1. There has not been any significant Arctic sea-ice melting.

2. Both the melt season start and end have been taking place earlier.

3. The melt season length has not increased.

4. Sea-ice loss during the melt season has not increased.

5. Sea-ice loss during the melt season is not determined by season length or by the average global surface temperature, as claimed by the IPCC.”


Watts Up With That?

By Javier

In sharp contrast with previous decades, the past 10 years have seen no change in Northern Hemisphere average sea ice extent, according to MASIE (may-zee, Multi-sensor Analyzed Sea Ice Extent) database from the National Sea & Ice Data Center (NSIDC; see figure 1).

Figure 1. MASIE sea-ice extent data for the Northern Hemisphere showing essentially no trend for Arctic sea-ice for the past 11 years.

Based on fundamental climate observations and research it has been proposed by several scientists that the Arctic might have entered a new regime with its most conspicuous consequence a reduction or even inversion of recent Arctic sea ice trends. So far, the data appears to support their interpretation. They are Miles et al. 2014, Wyatt & Curry 2014, and Årthun et al. 2017 (references in the appendix).

Last October I presented some of the evidence at WUWT here.


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