File:Carbon-14 with activity labels.png

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Carbon-14 record for last 1,100 years (inverted scale). Solar activity events labeled.

{{ImageNote|id=1|x=340|y=330|w=10|h=10|dimx=1000|dimy=402|style=2}} Changes in carbon-14 concentration in the Earth's atmosphere, which serves as a long term proxy of solar activity. Note the present day is on the right-hand side of this figure. {{ImageNoteEnd|id=1}}


Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Source: http://pubs.usgs.gov/fs/fs-0095-00/

File history English Wikipedia[redigér]

 (del) (cur) 11:10, 24 November 2005 . . Dragons flight . . 1000x402 (34130 bytes) (cleaner version)
 (del) (rev) 23:48, 21 February 2005 . . SEWilco . . 1002x317 (24858 bytes) (Carbon-14 record for last 1,100 years (inverted scale). Solar activity events labeled. PD-USGov-Interior-USGS Source: http://pubs.usgs.gov/fs/fs-0095-00/)

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Dato/tidMiniaturebilledeDimensionerBrugerKommentar
nuværende2. jun. 2012, 12:07Miniature af versionen fra 2. jun. 2012, 12:071.000 × 402 (70 KB)SeL media (diskussion | bidrag)second attempt :-)
2. jun. 2012, 11:51Miniature af versionen fra 2. jun. 2012, 11:511.000 × 402 (70 KB)SeL media (diskussion | bidrag)un-inverted time scale
17. dec. 2005, 23:54Miniature af versionen fra 17. dec. 2005, 23:541.000 × 402 (33 KB)Saperaud~commonswiki (diskussion | bidrag)EN: 11:10, 24 November 2005 . . Dragons flight . . 1000x402 (34130 bytes) (cleaner version)
19. maj 2005, 11:34Miniature af versionen fra 19. maj 2005, 11:341.002 × 317 (24 KB)Xgarciaf~commonswiki (diskussion | bidrag)Carbon-14 record for last 1,100 years (inverted scale). Solar activity events labeled. {{PD-USGov-Interior-USGS}} Source: http://pubs.usgs.gov/fs/fs-0095-00/

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