9000 years of sun spot data

1 Nov 2018

At https://principia-scientific.org/arctic-antarctic-sea-ice-now-at-histori... ... this is in reference to the Holocene as a whole. Apparently, scientists are discovering via biomarker proxies that modern sea ice changes are not as doom laden as we have been led to believe. There has been more and extensive sea ice extremes in both the Arctic and Antarctic in the last four decades than has been detected over the last 10,000 years.

At https://wattsupwiththat.com/2018/10/28/record-payout-for-big-wind-for-ge... ... which is a reference to wind farm operators in mostly Scotland that have earned a payout of £4.8 million pounds in a single day. They were paid because they had to switch off their wind turbines as the wind was blowing too hard - in the back end of a hurricane. It was just too windy and the National Grid was unable to cope. A never ending story of operators earning money for doing sweet Fanny Adams,

At https://wattsupwiththat.com/2018/10/27/svaalgard-paper-reconstructs-9000... ... which was posted by Leif Svaalgard, a solar physicist at Standford University. It was submitted to the arXiv pre-publication web site and may yet have a few changes forced on it by the eventual publishers. The reconstruction of sun spot numbers is derived from 10BE and C14 archives between 6755BC and 1885AD (extended to the present day using modern methods). Wu et al (2018) found there has been no spectacular uptick in solar activity over the last 300 years - and recent activity is not unusual. It is a multi proxy reconstruction of solar activity using all available long span datgasets in the terrestrial archives. Cosmogenic isotopes are produced by cosmic rays in the earth's atmosphere. The cosmic ray flux is modified by solar magnetic activity.