Does this figure mean that man is varying CO2 according to the sunspot cycle since CO2 changes are supposedly man made? If the method is indeed applicable, then that would have to be the conclusion. Does this figure mean that man is varying CO2 according to the sunspot cycle since CO2 changes are supposedly man made? If the method is indeed applicable, then that would have to be the conclusion.It doesn't do any good asking me. I have even less expertise than you. Get real help. Go to a university if you have to.
It fits well into studies on the effect of Solar Activity with respect to cloud cover and the resultant incidence on global temperatures.
'Earthshine' Linked to Solar Cycle, Climate Change
By Robert Roy Britt; 18 April 2001
http://www.space.com/scienceastronomy/planetearth/earth_shine_010417.htmlSun's effect on climate
The new albedo measurements are based on 70 nights of observations during 1994-95 and another 200 that began in 1998 and are ongoing. The data are averaged over long periods of time to account for changes caused by local weather, seasonal snow cover and other factors.
The researchers say the data provide hints that Earth's albedo has decreased 2.5 percent during the past five years, as the Sun's magnetic activity has climbed from solar minimum to maximum. If accurate, this finding supports a hypothesis that the Sun's magnetic field plays an indirect role in Earth's climate.
Theory Says Climate Change Depends On Solar Wind/Cosmic Rays
http://www.tmgnow.com/repository/global/CREC.html
Cosmic rays may be another extraterrestrial influence at work, writes Henrik Svensmark in a paper to appear in the Nov. 30 issue of Physical Review Letters. He and Eigil Friis-Christensen, who both work at the Danish Meteorological Institute in Copenhagen, published the initial work last year in a smaller-circulation journal.
Dr. Svensmark presents data from satellites that have taken pictures of Earth's cloud cover for the past 20 years. He noticed that the average amount of cloud cover could vary by 3 to 4 percent from year to year. The cloud changes matched changes in the 11-year cycle of the sun; so, Dr. Svensmark concluded, something related to the sun must be affecting Earth's climate.
He believes that the solar wind, a wave of charged particles from the sun, interacts with cosmic rays as they approach Earth. How many cosmic rays get through the solar wind determines how many clouds form, he suggests. The amount of cloud cover then determines how hot or cold the planet is.
"There are so many things that connect so well, it's such a beautiful agreement," said Dr. Svensmark.
See also:
Conclusions of the Workshop on Ion--Aerosol--Cloud Interactions, CERN, 18--20 April 2001 (view: PDF)
A.W. Wolfendale
The lagging CO2 cycle falls right in line with prior studies that CO2 concentration is more an effect of change in global temperature and temperature's effect on earth's ecosystems than it is a cause of such changes.
Global warming and global dioxide emission and concentration:
a Granger causality analysis
- "We find, in opposition to previous studies, that there is no evidence of Granger causality from global carbon dioxide emission to global surface temperature. Further, we could not find robust empirical evidence for the causal nexus from global carbon dioxide concentration to global surface temperature.
"Carbon dioxide, the main culprit in the alleged greenhouse-gas warming, is not a "driver" of climate change at all. Indeed, in earlier research Jan Veizer, of the University of Ottawa and one of the co-authors of the GSA Today article, established that rather than forcing climate change, CO2 levels actually lag behind climatic temperatures, suggesting that global warming may cause carbon dioxide rather than the other way around."
***
"Veizer and Shaviv's greatest contribution is their time scale. They have examined the relationship of cosmic rays, solar activity and CO2, and climate change going back through thousands of major and minor coolings and warmings. They found a strong -- very strong -- correlation between cosmic rays, solar activity and climate change, but almost none between carbon dioxide and global temperature increases."