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File:Carbon14-sunspot.svg

Description
English: Correlations between 14C and sunspot activity.

Note that the 14C record since 1950 has been distorted by nuclear testing. Sunspot data in red is reconstructed from group sunspot numbers.

(Vertical alignment for 14C is correct in my editor, corrections for Wikipedia rendering are welcome.)

This figure was produced by Leland McInnes using gnuplot and Inkscape and is licensed under the GFDL. All data is from publicly available sources.

Data Sources

  1. (gray) Carbon 14 data: http://www.radiocarbon.org/IntCal04%20files/intcal04.14c
  2. (blue) Sunspot data: http://sidc.oma.be/DATA/monthssn.dat
  3. (red) Reconstructed Sunspot Data: ftp://ftp.ngdc.noaa.gov/STP/SOLAR_DATA/SUNSPOT_NUMBERS/GROUP_SUNSPOT_NUMBERS/monthrg.dat
Date 21 November 2006 (first version); 24 March 2010 (last version)
Source Transferred from en.wikipedia; transferred to Commons by User:Sreejithk2000 using CommonsHelper.
Author Original uploader was Leland McInnes at en.wikipedia. Later version(s) were uploaded by Atmoz at en.wikipedia.
Permission
( Reusing this file)

CC-BY-SA-3.0-MIGRATED; Licensed under the GFDL by the author; Released under the GNU Free Documentation License.

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