Sulphur Simulations for East Asia Using the Match Model with Meteorological Data from ECMWF

ISSN： 0049-6979

Source： Water, Air, and Soil Pollution, Vol.130, Iss.1-4, 2001-08, pp. : 289-294

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Abstract

Sulphur transport and conversion calculations have been conducted over an East Asian domain as part of a model intercomparison exercise. We hereby describe the MATCH model, used in the study, and discuss the results achieved with different model configurations. We find that is often more critical to choose a representative gridbox value than selecting a specific parameter value from the suite available. The modelled, near-surface, atmospheric concentration of total-sulphur (SO_2+sulphate) in eastern China is typically 5–10 µg S m^−3, with large areas exceeding 20 µg S m^−3. In southern Japan the values range from 2–5 µg S m^−3. Atmospheric SO_2 dominates over sulphate near the emission regions while sulphate concentrations are higher over e.g. the western Pacific. The sulphur deposition exceeds several g sulphur m^−2 year^−1 in large areas of China. Southern Japan receives 0.5–1 g S m^−2 year^−1.