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The current and future amount of carbon (in the form of carbon dioxide) in the atmosphere and the hydrosphere is what currently concerns and occupies many people.

I am looking for a big picture of the net fluxes between different carriers of carbon that gives a good idea where the anthropogenic CO2 emissions (and other greenhouse gases) actually did come from (compared to e.g. 1500, 1800, 1900, 1950 and 2000).

So I am looking for rough (and possibly estimated) numbers like these - optimally in an overview, so the numbers sum up to 100:

  • p1% by fossil fuel burning

  • p2% from the natural biosphere (which decreased), esp. deforestation

  • p3% from cultivated biosphere (which increased), incl. methane emissions from cattle

  • p4% from industrial abiotic chemical processes, e.g. cement production

  • pk% other important sources with pk > 1%?

  • p6% other?

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There are various charts but not exactly what you want. This one combines burning, industry and cement but shows land sources and sinks separately: enter image description here CarbonBrief, Le Quéré, C. et al. (2016)

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    $\begingroup$ +1 But please don't link to random Dropboxes rather than the actual open-access paper. $\endgroup$ – Deditos Aug 2 at 10:58

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