File:Ghgs-epcia-holocene-CO2-en.svg

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Original file ‎(SVG file, nominally 1,000 × 400 pixels, file size: 72 KB)

Captions

Captions

Atmospheric carbon dioxide concentrations over the holocene (yrs. -10.000–2016).

Summary[edit]

Description
English: Atmospheric carbon dioxide concentrations over the holocene (yrs. -10.000–2016).
  • Green line:
    • data: Monnin, Eric (2006): EPICA Dome C high resolution carbon dioxide concentrations. doi:10.1594/PANGAEA.472488
    • online: pangaea.de, accessed 2017-03-22
    • gas age has been used as year
  • Blue line:
    • Name of dataset: Law Dome Ice Core 2000-Year CO2 Data
    • last update: 7/2010 (Original receipt by WDC Paleo)
    • contributor: David Etheridge, CSIRO Marine and Atmospheric Research
    • IGBP PAGES/WDCA contribution series number: 2010-070
    • Online: ncdc.noaa.gov, accessed 2017-03-18
    • cf: C. MacFarling Meure et al.: Law Dome CO2, CH4 and N2O ice core records extended to 2000 years BP. In: Geophysical Research Letters. Volume 33, L14810, doi:10.1029/2006GL026152, 2006
  • Red line:
    • Cape Grim data: "CSIRO Marine and Atmospheric Research and the Australian Bureau of Meteorology (Cape Grim Baseline Air Pollution Station)" (CSIRO and the Australian Bureau of Meteorology give no warranty regarding the accuracy, completeness, currency or suitability for any particular purpose and accept no liability in respect of data
Deutsch: Kohlenstoffdioxidkonzentration in der Erdatmosphäre seit Beginn des Holozän (Jahre -10.000–2016)
Date
Source Own work
Author DeWikiMan
Other versions File:Ghgs-lawdome-2000yr-CO2-asof2010.svg for Common Era only; File:ghgs-epcia-holocene-CO2-de.svg for German version

To reproduce:

  1. download data
  2. from the Cape Grim data: compute yearly averages, place it in columns 7 (value) and 8 (year), name it CapeGrim_CO2_yrly_data.csv (use spaces as separator)
  3. strip all non-data lines from the law dome data file and name it law2006-dataonly.txt
  4. run the following gnuplot-script (I used Gnuplot 4.4)
set terminal svg enhanced size 1000 400 fname "Liberation Sans" fsize 12
set output "ghgs-epcia-holocene-CO2-en.svg"
set title "Carbon dioxide concentrations over the holocene" font "Liberation Sans, 24"
set datafile missing '"#N/A"'
set obj 1 rectangle behind from screen 0,0 to screen 1,1
set obj 1 fillstyle solid 1.0 fillcolor rgbcolor "white"

set key top left Left reverse
set key nobox
set yrange [225:425]
set ytics out mirror 200,50,450
set mytics 4
set xrange [-10000:2016]
set xtics out nomirror -10000,1000,2016
set mxtics 4
set grid xtics ytics mxtics mytics lt 0 lw 0.5 lc rgb "grey95"
set xlabel 'year'
set ylabel 'CO_{2} concentration, ppm'
set style data lines
plot 'EDC_CO2_high_res.tab' using (1950 - $2*1000):3 lt rgbcolor "dark-green" lw 3  title "EPICA Dome C high res (E. Monnin, 2006)", \
     'law2006-dataonly.txt' using 1:6 lt rgbcolor "blue" lw 3  title "Law dome ice core (D. Etheridge, 7/2010)", \
     'CapeGrim_CO2_yrly_data.csv' using 8:7 lt rgbcolor "red" lw 3 title "Cape Grim measurements (CGBAPS, 2/2017)"

Licensing[edit]

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International, 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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You may select the license of your choice.

File history

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Date/TimeThumbnailDimensionsUserComment
current21:07, 22 March 2017Thumbnail for version as of 21:07, 22 March 20171,000 × 400 (72 KB)DeWikiMan (talk | contribs)use grid aligned to 10s
20:54, 22 March 2017Thumbnail for version as of 20:54, 22 March 20171,000 × 400 (73 KB)DeWikiMan (talk | contribs)thicker line
20:18, 22 March 2017Thumbnail for version as of 20:18, 22 March 20171,000 × 400 (73 KB)DeWikiMan (talk | contribs){{Information |Description ={{en|1=Atmospheric carbon dioxide concentrations over the holocene (yrs. -10.000–2016). * Green line: ** data: Monnin, Eric (2006): EPICA Dome C high resolution carbon dioxide concentrations. doi:10.1594/PANGAEA.472488...

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