Evaluation of Source Contributions for Air Pollution Problems over East Asia Using the Chemical Transport Model

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  • Itahashi Syuichi
    Central Research Institute for Electric Power Industry, Environmental Science Research Laboratory North Carolina State University, Department of Marine, Earth, and Atmospheric Sciences

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  • 化学輸送モデルを用いた東アジアにおける広域大気汚染の発生源寄与評価
  • カガク ユソウ モデル オ モチイタ ヒガシアジア ニ オケル コウイキ タイキ オセン ノ ハッセイ ゲン キヨ ヒョウカ

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<p>In Japan, the ambient concentrations of a photochemical oxidant (mostly ozone) and PM2.5 exceed the environmental quality standards. Appropriate and effective strategies are required to reduce these concentrations and achieve the standards numerical simulation using a chemical transport model, which involves emissions, transport, chemical reactions, and deposition processes, can provide quantitative evaluations of the source contribution. For example, by changing the specific emission sources, we can estimate the impacts of the source. Here we overviewed the researches regarding the evaluation of the source contributions over East Asia based on a chemical transport model.</p>

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