Image:Hockey stick chart ipcc.jpg

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Hockey_stick_chart_ipcc.jpg‎ (459 × 321 pixel, file size: 30 KB, MIME type: image/jpeg)

[edit] Summary

This chart is from the Intergovernmental Panel on Climate Change Third Assessment Report. It is the IPCC's reproduction of the work of Mann, Bradley, and Hughes. The colored lines are the reconstructed temperatures, and the gray shaded region represents estimated error bars.

[edit] Licensing

This work is copyrighted and unlicensed. It does not fall into one of the blanket fair use categories listed at Wikipedia:Fair use#Images or Wikipedia:Fair use#Audio_clips. However, it is believed that the use of this work in the article "Hockey_stick_controversy":

To illustrate the object in question
Where no free equivalent is available or could be created that would adequately give the same information
On the English-language Wikipedia ([1]), hosted on servers in the United States by the non-profit Wikimedia Foundation ([2]),

qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Fair use and Wikipedia:Copyrights.

To the uploader: this tag is not a sufficient claim of fair use. You must also include the source of the work, all available copyright information, and a detailed fair use rationale.

The Third Assessment Report is (c) 2001 The Intergovernmental Panel on Climate Change. The source of this image is a PDF file that can be downloaded here: http://www.grida.no/climate/ipcc_tar/wg1/pdf/WG1_TAR-FRONT.PDF

Its use in the article Hockey_stick_controversy qualifies as a Fair Use in the US because:

1) The image is a very small part of the copyright work.

2) The purpose of this reproduction is reporting and critical commentary on the inclusion of the image in the copyright work.

3) The reproduction of the work here has no effect on the potential market or value of the copyright work.

4) The nature of the work is scholarly, and is fundamentally non-commercial.

It is also noteworthy that the image was distributed as a part of a press release put out by the Intergovernmental Panel on Climate Change at the time of its publication: http://www.ipcc.ch/press/pressreleasedraft.htm Furthermore, it was reproduced by the BBC as part of its reportage here: http://news.bbc.co.uk/1/shared/spl/hi/pop_ups/04/sci_nat_enl_1092666337/html/1.stm

As such, there may in fact be no copyright assertion at all on this image.

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(del) (cur) 06:15, 18 February 2007 . . Mgolden (Talk | contribs) . . 459×321 (30,841 bytes) (This chart is from the Intergovernmental Panel on Climate Change Third Assessment Report, (c) 2001 The Intergovernmental Panel on Climate Change. The source of this image is a PDF file that can be downloaded here: http://www.grida.no/climate/ipcc_tar/wg1)