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Why Batch-0042-019 Establishes That Urban Canopy Roughness Length Directly Controls Street-Level Pollutant Dispersion Efficiency

为什么批次0042-019确立城市冠层粗糙度长度直接控制街道级污染物扩散效率

Why Batch-0042-019 Establishes That Urban Canopy Roughness Length Directly Controls Street-Level Pollutant Dispersion Efficiency

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  1. Roughness length (z₀) quantifies aerodynamic resistance at the urban canopy interface, governing turbulent kinetic energy transfer from above-canopy flow.

  2. Batch-0042-019 combines UAV-mounted anemometry with 3D building morphology LIDAR to derive z₀ at 10-m resolution across 12 megacities.

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