The SRES data sets were published by the IPCC in 2000 and classified
into four different scenario families (A1, A2, B1, B2).
SRES_B2 storyline describes a world in which the emphasis is on
local solutions to economic, social and enviromental sustainability.
The global population is increasing at a lower rate than A2. It has
an intermediate level of economic development and a less rapid and
more diverse technological change than in A1 and B1.
The model developed by the Center for Climate System Resaerch/National
Institute for Enviromental Studies in Tokyo consists of the atmospheric
component which has vertical resolution of 20 levels and the triangular
truncation at wavenumber 21 (T21). The ocean model has 17 vertical
levels and the same resolution.
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The changes of anthropogenic emissions of CO2, CH4, N2O and sulphur
dioxide are prescribed according to the above mentioned scenario.