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Long-term simulations of photo oxidant pollution over Portugal using the CHIMERE model

机译：使用CHIMERE模型对葡萄牙上空的光氧化剂污染进行长期模拟

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摘要

This work examines the performance of the CHIMERE photochemical model in simulating ozone and nitrogen dioxide in Portugal over a long-term summer period. The analysis focuses on comparisons against the available measurements during the 2001 summer season. The meteorological forcing of the model is given by the European Centre for Medium-Range Weather Forecasts (ECMWF), and the emission inventory used was obtained with a top-down methodology updated for the simulation year. Despite the coarse resolution of the meteorological data, the complex topography and coastal location of Portugal, the results obtained show that the modelling system is able to reproduce the nitrogen dioxide and ozone episodes that occurred during the simulated summer period. Mean error and correlation improve when considering the sum of photo oxidant instead of individual pollutants, indicating that a significant part of the model error is due to either the lack of representativeness of monitoring stations or to inaccuracies in the emission inventory.
机译：这项工作研究了CHIMERE光化学模型在长期的夏季模拟葡萄牙的臭氧和二氧化氮的性能。分析重点是与2001年夏季的可用测量值进行比较。欧洲中距离天气预报中心（ECMWF）给出了该模型的气象强迫，并使用了针对模拟年份更新的自上而下的方法获得了所使用的排放清单。尽管葡萄牙的气象数据分辨率较差，地形复杂且沿海位置不佳，但获得的结果表明，该建模系统能够再现模拟夏季期间发生的二氧化氮和臭氧事件。当考虑光氧化剂而不是单个污染物的总和时，平均误差和相关性会提高，这表明模型误差的很大一部分是由于监测站缺乏代表性或排放清单不准确所致。

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