Tag Archives: proxy

Sunspot Number reconstruction by Leif Svalgaard and proxy cycles of 104 and 208 years

In an article on WUWT, “Solar Activity – Past, Present, Future“, Leif Svalgaard describes the problems of historical sunspot records because of changes in instrumentation and observers. He produces a new series which attempts to correct for the various problems. He … Continue reading

Posted in astronomy-Solar, cycles-Analysis | Tagged , , , , , , , , , , , , | 24 Comments

Analysis of BE10 records as a Solar Irradiance Proxy

Recently on CRI an article on Which Causes which out of Atmospheric Temperature and CO2 content? was posted, and this was circulated to other blogs and much interesting discussion ensued, particularly on TallBloke’s Talkshop. This discussion raised the Cycles in Sunspot Number … Continue reading

Posted in climate-Solar, cycles-Analysis, software-CATS | Tagged , , , , , , | 6 Comments