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The Interactions of Turbulence and Photochemistry in the Planetary Boundary Layer

机译:行星边界层湍流与光化学的相互作用

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Transport of biogenic species and the subsequent influence on photochemistry in the atmospheric boundary layer is addressed. The dynamical influence imposed by the presence of a plant canopy is shown to influence the mixing process. Compared to an assumed well-mixed situation, distributed sources through the canopy layers tend to slow reaction rates above the canopy and enhance reaction rates within the sub-canopy layers relative to a case without a canopy. Large-scale horizontally heterogeneous emissions are shown to dramatically reduce reaction rates by segregating the species. Compared to simple chemistry with horizontally homogeneous emissions, more complete chemistry diminishes the effect of transport on reaction rates by enhanced in situ production of reactants.
机译:解决了生物物种的运输和随后对大气边界层中光化学的影响。显示通过植物冠层的存在施加的动态影响,以影响混合过程。与假设的良好的混合情况相比,通过冠层层的分布源倾向于慢慢降低冠层的反应速率,并在没有冠层的情况下增强子冠层层内的反应速率。大规模水平异质排放显示通过偏析物种显着降低反应速率。与水平均匀排放的简单化学相比,更完整的化学减少了通过增强原位产生反应物的反应率对反应速率的影响。

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