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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >Sensitivity Modeling Study for an Ozone Occurrence during the 1996 Paso Del Norte Ozone Campaign
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Sensitivity Modeling Study for an Ozone Occurrence during the 1996 Paso Del Norte Ozone Campaign

机译：1996年Paso Del Norte臭氧运动期间臭氧发生的敏感性建模研究

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Surface ozone pollution has been a persistent environmental problem in the US and Europe as well as the developing countries. A key prerequisite to find effective alternatives to meeting an ozone air quality standard is to understand the importance of local anthropogenic emissions, the significance of biogenic emissions, and the contribution of long-range transport. In this study, an air quality modeling system that includes chemistry and transport, CMAQ, an emission processing model, SMOKE, and a mesoscale numerical meteorological model, WRF, has been applied to investigate an ozone event occurring during the period of the 1996 Paso del Norte Ozone Campaign. The results show that the modeling system exhibits the capability to simulate this high ozone occurrence by providing a comparable temporal variation of surface ozone concentration at one station and to capture the spatial evolution of the event. Several sensitivity tests were also conducted to identify the contributions to high surface ozone concentration from eight VOC subspecies, biogenic VOCs, anthropogenic VOCs and long-range transportation of ozone and its precursors. It is found that the reductions of ETH, ISOP, PAR, OLE and FORM help to mitigate the surface ozone concentration, and like anthropogenic VOCs, biogenic VOC plays a nonnegligible role in ozone formation. But for this case, long-range transport of ozone and its precursors appears to produce an insignificant contribution.
机译：在美国和欧洲以及发展中国家，地表臭氧污染一直是一个持续存在的环境问题。找到满足臭氧空气质量标准的有效替代品的关键前提是要了解当地人为排放的重要性，生物排放的重要性以及远程运输的贡献。在这项研究中，已使用包括化学和运输，CMAQ，排放处理模型，SMOKE和中尺度数值气象模型，WRF的空气质量建模系统来调查1996年Paso del期间发生的臭氧事件。北臭氧运动。结果表明，该建模系统具有通过在一个站提供可比的时空臭氧浓度随时间变化并捕获事件的空间演变来模拟这种高臭氧发生的能力。还进行了几项敏感性测试，以确定来自八个VOC亚种，生物源性VOC，人为性VOC以及臭氧及其前体的长距离运输对高表面臭氧浓度的贡献。发现减少ETH，ISOP，PAR，OLE和FORM有助于减轻表面臭氧浓度，并且像人为的VOC一样，生物型的VOC在臭氧形成中起着不可忽略的作用。但是对于这种情况，臭氧及其前体的远距离运输似乎贡献不大。

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