Aerodynamic Resistance Estimation Considering Underlying Surface and Atmospheric Characteristics and its Ecohydrology Implications

CHEN Zhi-yong; GUO Bao; HU Hui-bin; LIN Kai-rong; TU Xin-jun; LIU Mei-xian

doi:10.12396/znsd.241992

","magId":"e977dd0a-49fd-4fea-a814-15549519eddc","labelCn":"图1","pptUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F001.jpg.ppt","labelEn":"Fig.1","figUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F001.jpg","titleEn":"Fig.1 Distribution of the flux stations used in this study","titleCn":"图1 全球通量站点分布图","id":"F1","captionEn":"Distribution of the flux stations used in this study ","thumbnailUrl":"1007-2284-2025--10-129/thumbnail/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F001.jpg"},{"captionCn":"当量空气动力学阻力值与传统空气动力学阻力估算值 ","magId":"8408315f-3a7b-4876-a3a4-134255eafa36","labelCn":"图2","pptUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F002.jpg.ppt","labelEn":"Fig.2","figUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F002.jpg","titleEn":"Fig.2 Distribution of the equivalent aerodynamic resistance and those estimated using the traditional methods","titleCn":"图2 当量空气动力学阻力值与传统空气动力学阻力估算值","id":"F2","captionEn":"Distribution of the equivalent aerodynamic resistance and those estimated using the traditional methods ","thumbnailUrl":"1007-2284-2025--10-129/thumbnail/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F002.jpg"},{"captionCn":"不同土地利用类型条件下当量空气动力学阻力与传统估算值之间的关系

注： h_c 为冠层高度。

","magId":"d861e65b-6f28-45b0-93e9-6bca1a4f4d23","labelCn":"图3","pptUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F003.jpg.ppt","labelEn":"Fig.3","figUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F003.jpg","titleContentCn":"注： h_c 为冠层高度。","titleEn":"Fig.3 Relationship between the equivalent aerodynamic resistance and those estimated based on neutral hypothesis in varying land use types","titleCn":"图3 不同土地利用类型条件下当量空气动力学阻力与传统估算值之间的关系","id":"F3","captionEn":"Relationship between the equivalent aerodynamic resistance and those estimated based on neutral hypothesis in varying land use types ","thumbnailUrl":"1007-2284-2025--10-129/thumbnail/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F003.jpg"},{"captionCn":"模型率定与验证

注：其中 $α o b s$ 为空气动力学阻力系数观测值，由 $r a e q u$ [式（12）]除以u得到； $α m o d$ 为空气动力学阻力系数模拟值，由式（20）多元非线性模型回归得到。

","magId":"e82e75f8-2d5f-4f04-9de9-5ad513bc5516","labelCn":"图4","pptUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F004.jpg.ppt","labelEn":"Fig.4","figUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F004.jpg","titleContentCn":"注：其中

α o b s

为空气动力学阻力系数观测值，由

r a e q u

[式（12）]除以u得到；

α m o d

为空气动力学阻力系数模拟值，由式（20）多元非线性模型回归得到。","titleEn":"Fig.4 Model calibration","titleCn":"图4 模型率定与验证","id":"F4","captionEn":"Model calibration ","thumbnailUrl":"1007-2284-2025--10-129/thumbnail/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F004.jpg"},{"captionCn":"空气动力学阻力系数估算模型［式（20）］在全球站点上的验证

注：图(a)中虚线为1:1线，蓝线是模拟值和观测值的线性回归。

","magId":"8f6c82ec-0072-4003-8886-947692d1ab2a","labelCn":"图5","pptUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F005.jpg.ppt","labelEn":"Fig.5","figUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F005.jpg","titleContentCn":"注：图(a)中虚线为1:1线，蓝线是模拟值和观测值的线性回归。","titleEn":"Fig.5 Validation of the aerodynamic resistance coefficient model ［Eq.（20）］","titleCn":"图5 空气动力学阻力系数估算模型［式（20）］在全球站点上的验证","id":"F5","captionEn":"Validation of the aerodynamic resistance coefficient model ［Eq.（20）］ ","thumbnailUrl":"1007-2284-2025--10-129/thumbnail/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F005.jpg"},{"captionCn":"基于不同空气动力学阻力估算方法的潜在蒸散发对比

注：图(b)中x轴为IGBP体系11种下垫面类型，红色柱子是改进模型模拟值PET_mod 与日尺度PET_non 之间的均方根误差，蓝色柱子是基于中性层结假设的PET_neu 与PET_non 之间的均方根误差。

","magId":"4344da57-070a-4fe3-98a8-5119a262ce20","labelCn":"图6","pptUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F006.jpg.ppt","labelEn":"Fig.6","figUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F006.jpg","titleContentCn":"注：图(b)中x轴为IGBP体系11种下垫面类型，红色柱子是改进模型模拟值PET_mod 与日尺度PET_non 之间的均方根误差，蓝色柱子是基于中性层结假设的PET_neu 与PET_non 之间的均方根误差。","titleEn":"Fig.6 The relationships between the potential evapotranspiration estimated by using different aerodynamic resistance model","titleCn":"图6 基于不同空气动力学阻力估算方法的潜在蒸散发对比","id":"F6","captionEn":"The relationships between the potential evapotranspiration estimated by using different aerodynamic resistance model ","thumbnailUrl":"1007-2284-2025--10-129/thumbnail/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F006.jpg"},{"captionCn":"代表站点的当量空气动力学阻力与风速的关系 ","magId":"dba41dc4-2892-4262-af53-7b9906e224a4","labelCn":"图7","pptUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F007.jpg.ppt","labelEn":"Fig.7","figUrl":"1007-2284-2025--10-129/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F007.jpg","titleEn":"Fig.7 The relationship between equivalent aerodynamic resistance of the observation stations and wind speed","titleCn":"图7 代表站点的当量空气动力学阻力与风速的关系","id":"F7","captionEn":"The relationship between equivalent aerodynamic resistance of the observation stations and wind speed ","thumbnailUrl":"1007-2284-2025--10-129/thumbnail/8F08ECAA-D75F-4023-AD6B-020DF35FCB59-F007.jpg"}],"authorNotes_cn":["刘梅先（1986-），男，副教授，博士，博士生导师，主要从事全球变化与生态水文研究。E-mail：liumx56@mail.sysu.edu.cn。"]}; 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