广州市主城区风道特征与通风效能评估
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陈翔, 孙武, 沈子桐, 朱琳琳, 张佳滨, 许伟
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Characteristics of ventilation channel and ventilation efficiency assessment: A case study of main built-up area in Guangzhou
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CHEN Xiang, SUN Wu, SHEN Zitong, ZHU Linlin, ZHANG Jiabin, XU Wei
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表2 风段的物理属
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Tab. 2 Physical properties of ventilation path segments
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| 区域 | 风段数量
(条) | 风段长度 | | 风段宽度 | | 宽高比 | | 通风面积 | | 均值(m) | 均方差 | 均值(m) | 均方差 | 均值 | 均方差 | 总和(km2) | 占比(%) | | 老城区 | 154 | 705.40 | 483.99 | | 105.66 | 84.13 | | 8.44 | 11.77 | | 8.96 | 19.36 | | 珠江新城 | 190 | 219.97 | 118.88 | | 128.51 | 117.19 | | 6.54 | 13.04 | | 4.43 | 72.26 | | 芳村 | 366 | 366.85 | 242.29 | | 147.98 | 96.09 | | 18.12 | 18.06 | | 15.19 | 37.76 | | 天河 | 147 | 517.40 | 346.21 | | 159.13 | 132.68 | | 14.04 | 23.20 | | 8.94 | 32.93 | | 海珠 | 113 | 784.43 | 487.24 | | 185.32 | 149.63 | | 23.83 | 37.52 | | 22.30 | 23.67 | | 白云 | 318 | 583.24 | 464.27 | | 169.04 | 128.91 | | 21.32 | 24.55 | | 12.67 | 22.74 | | 珠江 | 125 | 639.22 | 514.81 | | 627.03 | 276.45 | | 70.94 | 68.52 | | 44.10 | 114.79 | | 湿地 | 62 | 948.72 | 506.26 | | 471.13 | 252.60 | | 74.43 | 61.78 | | 18.98 | 145.66 | | 丘陵区域 | 578 | 361.77 | 264.35 | | 202.77 | 136.85 | | 22.77 | 25.61 | | 29.37 | 42.31 | | 大学城/长洲岛 | 398 | 303.07 | 235.09 | | 207.11 | 149.30 | | 19.73 | 25.11 | | 19.03 | 73.06 | | 全区 | 2451 | 449.15 | 381.95 | | 205.45 | 184.20 | | 23.07 | 33.97 | | 183.97 | 44.16 |
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