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[QUOTE]Originally posted by OILDOG: [QB] A must read: SOLAR DATABASES FOR GLOBAL CHANGE MODELS by H.E. Coffey, E.H. Erwin and C.D. Hanchett Solar-Terrestrial Physics Division NOAA NESDIS National Geophysical Data Center 325 Broadway, Boulder, Colorado 80305 -------------------------------------------------------------------------------- ABSTRACT The National Geophysical Data Center (NGDC) is compiling a comprehensive solar database for use in global change models. Solar radiation drives the weather machine. Variations in the Sun's radiative output impact the Earth's climate. The NOAA Climate Analysis Center currently uses solar cycle data in their U.S. seasonal winter forecasts. Spacecraft observations show the Sun's output varied by 0.1% during the past 11-year solar activity cycle, producing a climate forcing of 0.24 W/m2. Climate forcing by increasing greenhouse gases from 1980 to 1986 was about 0.25 W/m2. Global change models need to discern between variations caused by anthropogenic and natural occurrences to provide a sound scientific basis for policy making on global change issues. The NGDC archives are part of a cross-disciplinary effort within NOAA to link observed changes on the Sun with terrestrial climate. To contact the NGDC on-line services, use the following addresses on the Geophysical On-Line Data (GOLD) system: FTP access: ftp.ngdc.noaa.gov; Gopher: -- no longer available>; World Wide Web: http://www.ngdc.noaa.gov, and to reach the bulletin board (no longer available). "Solar radiation drives the weather machine. Variations in the Sun's radiative output impact the Earth's climate." Sho nuff!!! Unusual activity of the Sun during recent decades compared to the previous 11,000 years Nature, Vol. 431, No. 7012, pp. 1084 - 1087, 28 October 2004. [IMG]http://www.ncdc.noaa.gov/paleo/pubs/solanki2004/fig3a-sm.jpg[/IMG] Smithsonians site on volcanism says there may be as many as 1 million volcanoes in the Earths oceans. Imagine that! And "recent" discoveries under the Arctic are "spectacular". They were surprised to find them that far North! Why? Antarctica has volcanoes,on and off shore. [/QB][/QUOTE]
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