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首页> 外文期刊>Atmospheric chemistry and physics >Extending the Community Multiscale Air Quality (CMAQ) modeling system to hemispheric scales: overview of process considerations and initial applications
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Extending the Community Multiscale Air Quality (CMAQ) modeling system to hemispheric scales: overview of process considerations and initial applications

机译：将社区多尺度空气质量（CMAQ）建模系统扩展到半球尺度：过程注意事项和初始应用概述

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The Community Multiscale Air Quality (CMAQ) modeling system is extended to simulate ozone, particulate matter, and related precursor distributions throughout the Northern Hemisphere. Modeled processes were examined and enhanced to suitably represent the extended space and timescales for such applications. Hemispheric-scale simulations with CMAQ and the Weather Research and Forecasting (WRF) model are performed for multiple years. Model capabilities for a?range of applications including episodic long-range pollutant transport, long-term trends in air pollution across the Northern Hemisphere, and air pollution–climate interactions are evaluated through detailed comparison with available surface, aloft, and remotely sensed observations. The expansion of CMAQ to simulate the hemispheric scales provides a?framework to examine interactions between atmospheric processes occurring on various spatial and temporal scales with physical, chemical, and dynamical consistency.
机译：扩展了社区多尺度空气质量（CMAQ）建模系统，以模拟整个北半球的臭氧，颗粒物和相关的前体分布。检查并增强了建模过程，以适合于表示此类应用程序的扩展空间和时间表。使用CMAQ和天气研究与预报（WRF）模型进行的半球尺度模拟进行了多年。通过与现有的地面，高空和遥感观测进行详细比较，评估了各种应用的模型能力，包括情景性的远距离污染物迁移，整个北半球的空气污染的长期趋势以及空气污染与气候的相互作用。通过CMAQ的扩展来模拟半球尺度，为研究在各种时空尺度上发生的，具有物理，化学和动力学一致性的大气过程之间的相互作用提供了框架。

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