Model intercomparison study of long range transport and sulfur deposition in East Asia (MICS-ASIA)

Gregory R. Carmichael*, Hiroshi Hayami, Giuseppe Calori, Itsushi Uno, Seog Yeon Cho, Magnuz Engardt, Seung Bum Kim, Yoichi Ichikawa, Yukoh Ikeda, Hiromasa Ueda, Markus Amann

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


To help improve the use of models in science & policy analysis in Asia it is necessary to have a better understanding of model performance and uncertainties. Towards this goal an intercomparison exercise has been initiated as a collaborative study of scientists interested in long-range transport in East Asia. An overview of this study is presented in this paper. The study consists of a set of prescribed test calculations with carefully controlled experiments. Models used the same domain, emission inventory, model parameters, meteorological conditions, etc. Two periods (January and May 1993) were selected to reflect long-range transport conditions under two distinct seasons. During these periods measurements of sulfur concentrations and deposition were made throughout the study region using identical sampling and analysis protocols. The intercomparison activity consists of four tasks (Blind Test, Fixed Parameter Test, Source Receptor test, and Tuning Test). All participants were asked to do Task A, and as many of the other tasks as possible. To date seven different models have participated in this study. Results and key findings are presented.

Original languageEnglish
Pages (from-to)51-62
Number of pages12
JournalWater, Air, and Soil Pollution
Issue number1-4
Publication statusPublished - 2001
Externally publishedYes


  • Acid deposition
  • Long range transport
  • Model intercomparison

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Ecological Modelling
  • Water Science and Technology
  • Pollution


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