IMPLEMENTATION OF A DIRECT SENSITIVITY METHOD INTO CMAQ
IMPLEMENTATION OF A DIRECT SENSITIVITY METHOD INTO CMAQ
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发表时间：
2002
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通讯作者：
D. Cohan;Yongtao Hu;A. Hakami;M. Odman;A. Russell
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作者：
D. Cohan;Yongtao Hu;A. Hakami;M. Odman;A. Russell
我们在社区多尺度空气质量（CMAQ）模型中实现了直接解耦法（DDM）的敏感性分析。DDM计算气相污染物浓度对排放、初始条件和边界条件扰动的局部一阶敏感性。这种方法产生的结果与传统的“蛮力”计算的灵敏度非常一致，而不需要多次运行空气质量模型。我们将CMAQ和DDM应用于美国东南部的一次臭氧事件。
We have implemented the Direct Decoupled Method (DDM) of sensitivity analysis in the Community Multiscale Air Quality (CMAQ) model. DDM calculates the local, first-order sensitivities of gas-phase pollutant concentrations to perturbations in emissions, initial conditions, and boundary conditions. This method yields results that are in good agreement with traditional “brute force” calculations of sensitivity, without necessitating multiple runs of the air quality model. We apply CMAQ with DDM to an ozone episode in the southeastern United States.