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Emissions of atmospheric compounds: New scenarios for the IPCC

Date:
October 14, 2011
Source:
CNRS (Délégation Paris Michel-Ange)
Summary:
Emissions of the main greenhouse gases, reactive gaseous and particulate chemical compounds have been inventoried over the period 1850-2300. This quantification has enabled researchers to propose four new scenarios that will be used in future climatic simulations of the 5th IPCC report, due in 2013.

Anthropogenic emissions of nitrogen oxides in July 2008.
Credit: © ECCAD database

Emissions of the main greenhouse gases, reactive gaseous and particulate chemical compounds have been inventoried over the period 1850-2300 by an international collaboration involving scientists from the Laboratoire "Atmosphères, Milieux, Observations Spatiales" (CNRS/UPMC/UVSQ)(1) and the Laboratoire d'Aérologie (CNRS/Université Paul Sabatier)(2). This quantification has enabled researchers to propose four new scenarios that will be used in future climatic simulations of the 5th IPCC report, due in 2013.

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This work, which is published in a special edition of the journal Climatic Change, was supported by CNRS, CNES and ADEME.

The scientists firstly refined estimations of the main greenhouse gas emissions, reactive chemical compounds such as nitrogen oxides and carbon monoxide, and particles from Earth's atmosphere over the period 1850-2300. Coordinated by Claire Granier and Catherine Liousse, both CNRS researchers, the French teams took a particular interest in emissions generated by human activity and the combustion of biomass.

On the basis of these inventories, the scientists then established new scenarios(3) describing a wide spectrum of possible futures for the main factors of climate change: greenhouse gases, atmospheric pollutants and land use. These scenarios will be integrated in climatic simulations of the future by most climate modelers. Such developments will be used to draft the next IPCC report, due to be published in 2013, and will also make it possible to explore the costs and benefits of the decisions taken today in terms of climate policies.

With support from CNRS, CNES and ADEME, the two French teams have designed a database known as ECCAD(4), which is available to the whole scientific community and can be consulted at http://ether.ipsl.jussieu.fr/eccad.

1 -- This laboratory is part of the Institut Pierre-Simon Laplace, which encompasses six CNRS joint research units.

2 -- Part of the Observatoire Midi-Pyrénées, which encompasses seven CNRS joint research units.

3 -- Known as Representative Concentration Pathways (RCPs)

4 -- Emissions of Atmospheric Compounds & Compilation of Ancillary Data


Story Source:

The above story is based on materials provided by CNRS (Délégation Paris Michel-Ange). Note: Materials may be edited for content and length.


Cite This Page:

CNRS (Délégation Paris Michel-Ange). "Emissions of atmospheric compounds: New scenarios for the IPCC." ScienceDaily. ScienceDaily, 14 October 2011. <www.sciencedaily.com/releases/2011/10/111014131838.htm>.
CNRS (Délégation Paris Michel-Ange). (2011, October 14). Emissions of atmospheric compounds: New scenarios for the IPCC. ScienceDaily. Retrieved December 20, 2014 from www.sciencedaily.com/releases/2011/10/111014131838.htm
CNRS (Délégation Paris Michel-Ange). "Emissions of atmospheric compounds: New scenarios for the IPCC." ScienceDaily. www.sciencedaily.com/releases/2011/10/111014131838.htm (accessed December 20, 2014).

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