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File:Instrumental Temperature Record (NASA).svg

Description This image shows the instrumental record of global average w:temperatures as compiled by the w:NASA's w:Goddard Institute for Space Studies. The data set used follows the methodology outlined by Hansen, J., et al. (2006) "Global temperature change". Proc. Natl. Acad. Sci. 103: 14288-14293. Following the common practice of the w:IPCC, the zero on this figure is the mean temperature from 1961-1990. The graph shows an overall long-term warming trend. In the 1880s, the global temperature anomaly was on average slightly below -0.4 °C, while in the first decade of the 21st century, the anomaly was on average almost +0.5 °C. This figure was originally prepared by Robert A. Rohde from publicly available data and is incorporated into the Global Warming Art project.
Date 2010-06-20 14:41 (UTC)
Source
Author
  • derivative work: Autopilot ( talk)
Lissajous small.svg
 This vector image was created with gnuplot.
Applications-graphics.svg This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Generated as svg. The original can be viewed here: Instrumental_Temperature_Record.png. Modifications made by Autopilot.

Source

Data set is:

set term svg size 2048,1536 fsize 60
set output "temp.svg"

set border 1
set xtics nomirror
set ytics nomirror
set grid y2 lc rgb "#c0c0c0"
set grid x lc rgb "#c0c0c0"

unset xlabel
set y2label "Global Temperature Anomaly °C"
set key reverse top left #at 1970,0.4 Left
set y2tics 0.2
unset ytics

offset=0.07
plot [1880:2010] [-0.49:0.6] \
 "Fig.A2.txt" \
        using 1:($2-offset) \
        title "Annual Average" \
        lc rgb "blue" \
        lw 5 \
        pt 5 \
        ps 0.5 \
        with linespoints, \
 "" \
        using 1:($3-offset) \
        title "Five Year Average" \
        smooth csplines \
        lc rgb "red" \
        lw 20 \
        with lines
I, the copyright holder of this work, hereby publish it under the following licenses:
w:en:Creative Commons
attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
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  • to remix – to adapt the work
Under the following conditions:
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  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
This licensing tag was added to this file as part of the GFDL licensing update.
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.

Image from Global Warming Art
This image is an original work created for Global Warming Art. Please refer to the image description page for more information.
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 3.0 Unported 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 attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
This licensing tag was added to this file as part of the GFDL licensing update.
You may select the license of your choice.
The following pages on Schools Wikipedia link to this image (list may be incomplete):

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Image title Produced by GNUPLOT 4.4 patchlevel 0
Width 2048
Height 1536

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