IIASA RepositoryAdapting the RAINS model to develop strategies to reduce acidification in the USSRR.ShawauthorRAINS (Regional Acidification Information and Simulation) is an integrated assessment model developed at IIASA to formulate and assess emission reduction strategies to reduce regional acidification in Europe. It consists of components to develop emission scenarios for sulfur and nitrogen, simulate atmospheric transport and deposition, and calculate ecological effects. The atmospheric transport component uses a source-receptor transfer matrix produced by the long range transport model of the Norwegian Meteorological Institute. The receptors are on a 150 × 150 km grid; emissions are aggregated by country. At the present time, emissions in RAINS can be varied only on a national basis; this has not been a hindrance for developing emission reduction strategies for the geographically small countries of western and central Europe, where the RAINS model has been very useful. However, an analysis in this paper shows that most of the deposition within the USSR comes from sources within the USSR itself. To develop meaningful strategies to reduce acid deposition within the USSR, the RAINS model must be modified such that the USSR is divided into several source regions.1990-08IFACBook Section

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