3.5
An Analysis and Comparison of the Agreement between the Following Solar Activity Indices: Total Solar Irradiance (TSI), 2800 MHz Solar Flux (F10), and American Sunspot Number
An Analysis and Comparison of the Agreement between the Following Solar Activity Indices: Total Solar Irradiance (TSI), 2800 MHz Solar Flux (F10), and American Sunspot Number
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Monday, 18 January 2010: 5:15 PM
B303 (GWCC)
This paper is an analysis and comparison of three solar activity indices readily available online to scientists and researchers. The NASA-sponsored Solar Radiation and Climate Experiment (SORCE) satellite mission carries instruments capable of measuring TSI. This mission was launched in January 2003 and data is available online from February 23, 2003 onward. The F10 is a daily index, with measurements available online from 1947 to present. The American sunspot number is also available as a daily index, with online values available from 1944 onward.
Analysis and comparison of the three solar activity indices from February 23, 2003 to February 23, 2009 are presented. Graphical depictions of agreement and/or disagreement between these three indices are analyzed to compare and contrast values from a satellite-based index with terrestrial-based indices. A summary of the findings from my analyses will be presented in this paper.