基于遗传-模式搜索算法的微尺度管控区域大气污染物PM2.5溯源

董红召,金灿,唐伟,佘翊妮,林盈盈

Back-calculation of outdoor PM2.5 pollutant source around microscale controlled area by genetic-pattern search algorithm

Hongzhao DONG,Can JIN,Wei TANG,Yini SHE,Yingying LIN

表 2 高斯烟羽模型中的扩散系数

Tab.2 Diffusion coefficient of Gaussian plume model

大气稳定度 $ {\mathrm{\sigma }}_{y} $ $ {\mathrm{\sigma }}_{z} $ A、B $ {0.32(1+0.000\;4x）}^{-{1}/{2}} $ $ {0.24(1+0.000\;1x）}^{-{1}/{2}} $ C $ {0.22(1+0.000\;4x）}^{-{1}/{2}} $ $ 0.20x $ D $ {0.16(1+0.000\;4x）}^{-{1}/{2}} $ $ {0.14(1+0.000\;3x）}^{-{1}/{2}} $ E、F $ {0.11(1+0.000\;4x）}^{-{1}/{2}} $ $ {0.08(1+0.015\;0x）}^{-{1}/{2}} $