Comparing the Urban Floods Resistance of Common Tree Species in Winter City Parks

Chang Zhai, Zhonghui Zhang (), Guangdao Bao (), Dan Zhang, Ting Liu, Jiaqi Chen, Mingming Ding, Ruoxuan Geng and Ning Fang
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Chang Zhai: College of Landscape Architecture, Changchun University, Changchun 130022, China
Zhonghui Zhang: Institute of Forest Management, Jilin Provincial Academy of Forestry Sciences, Changchun 130033, China
Guangdao Bao: Institute of Forest Management, Jilin Provincial Academy of Forestry Sciences, Changchun 130033, China
Dan Zhang: College of Landscape Architecture, Changchun University, Changchun 130022, China
Ting Liu: Institute of Forest Management, Jilin Provincial Academy of Forestry Sciences, Changchun 130033, China
Jiaqi Chen: College of Landscape Architecture, Changchun University, Changchun 130022, China
Mingming Ding: College of Landscape Architecture, Changchun University, Changchun 130022, China
Ruoxuan Geng: College of Landscape Architecture, Changchun University, Changchun 130022, China
Ning Fang: College of Landscape Architecture, Changchun University, Changchun 130022, China

Land, 2022, vol. 11, issue 12, 1-14

Abstract: The rapid urbanization process and high-intensity construction mode have greatly changed the underlying surface structure and spatial distribution of the natural land surface, further amplified the possibility of urban floods, and made urban security face more serious threats. Urban forest could help to mitigate urban floods through water holding and interception by its unique structures, especially the litter layer. This paper compared the ability of different forest tree species on urban floods mitigation, through analyzing their litter accumulation, litter water holding characteristics, and water interception features of different decomposed layers. The results concluded that Quercus mongolica Fisch. ex Ledeb. (QM) forest, Betula platyphylla Sukaczev (BP) forest, Larix gmelinii (Rupr.) Kuzen. (LG) forest, and Picea koraiensis Nakai (PK) forest were the best choices for improving urban floods resistance in a high-urbanization winter city, for they had larger litter mass and higher maximum water holding and interception capacity. The corresponding results of this study could help environmental management departments worldwide in the selection of tree species in urban greening projects focusing on urban flood control.

Keywords: hydrological characteristics; litter accumulation; urban floods; urban forest (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2022
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