摘要:
大气化学机理是空气质量模型中重要的组成部分,是研究大气化学过程的重要手段和方法。综述了碳键机理(CBM)、区域大气化学机理(RACM)和加州大气污染研究中心机理(SAPRC)3类常用归纳化学机理的发展历程,比较了各化学机理在物种集总方式、物种数和化学反应数等方面的差异,介绍了各类大气化学机理最新版本的更新及在空气质量模型中的应用情况。对不同大气化学机理在空气质量模型中应用的比较进行了分析和总结,讨论了导致不同大气化学机理模拟结果差异的原因,并对空气质量模型中不同大气化学机理的选择和应用提出了建议。
Abstract:
The atmospheric chemical mechanism is a key component of the air quality numerical model (AQNM), and is an important mean and method for investigating the atmospheric chemical processes. The development of the three simplified chemical mechanisms including the carbon bond mechanism (CBM), the regional atmospheric chemical mechanism (RACM), and the Statewide Air Pollution Research Center mechanism (SAPRC) which are widely used in AQNM were summarized. The comparison of the lump styles, the chemical species and the reactions, as well as the updates and the applications in AQNM of the different chemical mechanisms were presented. The comparisons of the simulation results of the AQNM by using different chemical mechanisms in previous studies were analyzed and summarized, and the reasons of the difference caused by the different chemical mechanisms used in the AQNM discussed. Additionally, the suggestion of the selection and application of the chemical mechanisms in AQNM research was proposed.