De Viquipèdia
| Aquest arxiu és una càrrega compartida, extreta del projecte Wikimedia Commons i pot ser usada per altres projectes. Si voleu disposar de més informació sobre el fitxer, podeu visitar la pàgina original
|
- Description: A graph depicting CO2 levels from 1958 to 2004 as measured at Mauna Loa. The cause for the yearly rise and fall is the annual cycle of plant respiration. The cause of the increasing trend is the anthropogenic release of CO2, mainly due to the use of fossil energy sources.
- Source: graph drawn by Hanno using data published on the web by C.D. Keeling & T.P. Whorf (2005) as "Atmospheric carbon dioxide record from Mauna Loa". In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A. [http://cdiac.esd.ornl.gov/trends/co2/sio-mlo.htm]
- Licence: public domain
 |
This image has been released into the public domain by its author, Hanno. This applies worldwide.
In some countries this may not be legally possible; if so:
Hanno grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
|
Enllaços a la imatge
Les següents pàgines enllacen a aquesta imatge: