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首页> 外文期刊>Atmospheric Chemistry and Physics Discussions >Chemical feedback effects on the spatial patterns of the NOsubx/sub weekend effect: a sensitivity analysis
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Chemical feedback effects on the spatial patterns of the NOsubx/sub weekend effect: a sensitivity analysis

机译:化学反馈效应对NO x 周末效应空间格局的敏感性分析

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pstrongAbstract./strong We examine spatial variations in the weekdaya??weekend pattern of NOsub2/sub over the Los Angeles metropolitan area using the Ozone Monitoring Instrument (OMI) and then compare the observations to calculations using the WRF-Chem model. We find that the spatial pattern of the weekdaya??weekend variations of the NOsub2/sub column in the model is significantly different than observed. A sensitivity study shows that the contrasting spatial pattern of NOsub2/sub on weekdays and weekends is a useful diagnostic of emissions and chemistry. These improvements suggest that constraints from space-based observations of the processes affecting urban photochemistry (e.g., spatial patterns of emissions, ratios of VOC to NOsubx/sub emissions, rate constants) are possible at a level of detail not previously described./p.
机译:> >摘要。我们使用臭氧监测仪(OMI)检查了洛杉矶都会区NO 2 的工作日-周末模式中的空间变化,然后进行了比较将观察结果用于使用WRF-Chem模型进行计算。我们发现,模型中NO 2 列的工作日和周末变化的空间格局与观察到的明显不同。敏感性研究表明,在工作日和周末,NO 2 的对比空间格局是对排放和化学反应的有用诊断。这些改进表明,从太空观察对影响城市光化学的过程的约束(例如,排放的空间模式,VOC与NO x 排放的比率,速率常数)可能在细节级别上不可行。

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