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[B-1.2 A preliminary study on derivation of aerosol distribution using a climate model on the basis of anthropogenic emission data of aerosol sources]

[Contact Person]

Hiroshi KANZAWA
Head, Atmospheric Physics Section
Atmospheric Environment Division
National Institute for Environmental Studies
Environment Agency of Japan
16-2, Onogawa, Tsukuba, Ibaraki 305-0053, Japan
Tel: +81-298-50-2431 Fax: +81-298-51-4732
E-Mail: kanzawa@nies.go.jp

[Total Budget for FY1997-FY1999]

2,626,000 Yen (FY1999; 2,626,000 Yen)

[Abstract]

      The input interface of aerosol-related emission scenario data into a climate model is investigated, and the input data are made on the basis of the investigation. Grid digitization of the aerosol emission data and derivation of spatial distribution of aerosols in the atmosphere are carried out: This derivation is required for a future projection of global warming by a climate model as a contribution to the IPCC TAR (Third Assessment Report). In the derivation, not only sulfate aerosols but also carbonaceous aerosols are treated, and IPCC SRES (Special Report on Emissions Scenarios) scenario data are used. It is found that the following issues should be overcome to make the input data in a more comprehensive way : (i) To develop comprehensive methods of treating the case that the C02 emission sources required by climate models are different from those of the emission scenarios given by integrated assessment models; (ii) To develop methods of treating economic growth rates for each country, population change, etc.

[Key Words]

Emission Scenario Data, Grid Digitization, Aerosol Distribution