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北京市行道树绒毛梣的水力结构对城市不透水表面比例的响应
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Response of hydraulic architecture in Fraxinus velutina street trees to the percentage of impervious pavement in Beijing
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图3. 北京6个地点归一化建筑指数(NDBI) (A)、空气水汽压亏缺(VPD) (B)、黎明前水势(Ψpd) (C)、月地表平均温度(Ts) (D)的平均值与50%导水率损失对应的水势值(Ψ50)之间的相关性(平均值±标准误)。地点同 |
Fig. 3. Correlations between 50% loss of hydraulic conductivity (Ψ50) and normalized difference built-up index (NDBI) (A), vapor pressure deficit (VPD) (B), pre-dawn leaf water potential (Ψpd) (C), monthly mean surface air temperature (Ts) (D) at the six study sites in Beijing (mean ± SE). Site see |
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