TU Anguo, LI Ying, MO Minghao and NIE Xiaofei. Hydrological Effects of Design Parameters Optimization of Bioretention Facility Based on RECARGA Model[J]. 2020, 34(1): 149-153.
DOI:
TU Anguo, LI Ying, MO Minghao and NIE Xiaofei. Hydrological Effects of Design Parameters Optimization of Bioretention Facility Based on RECARGA Model[J]. 2020, 34(1): 149-153. DOI: 10.13870/j.cnki.stbcxb.2020.01.022.
Hydrological Effects of Design Parameters Optimization of Bioretention Facility Based on RECARGA Model
Bioretention facilities are one of the effective measures for rainwater management with low impact development. In order to explore the method of optimizing the configuration and parameters of biological facilities by using mathematical models
the RECARGA model was used to evaluate the hydrological regulation effect of the changes of design parameters and structure of biological detention facilities
and to quantitatively analyze the relationship between design parameters and hydrological performance
so as to determine the appropriate method of setting biological detention pools. The results showed that the soil hydraulic conductivity at the bottom of the facility was a limiting factor for the hydrological performance of the whole system
and the annual rainfall retention increased with the increase of soil hydraulic conductivity in a significant logarithmic function. There was a significant logarithmic function relationship between rainfall retention rate and facility surface area ratio. Rainwater retention had a significant power function relationship with depression zone thickness
and a good linear relationship with root layer and storage layer thickness. Considering drainage time factors
the depth of depression zone should not be greater than 15 cm. These research results could provide a theoretical basis for the scientific design of bioretention facilities structure.
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Related Author
LI Shi-rong
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ZHOU Xin-cheng
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Related Institution
College of Landscape Architecture and Tourism, Hebei Agricultural University
Hebei Geology and Mineral Resources Construction Engineering Group Co., Ltd. Land and Resources Exploration Center of Hebei Geology and Mineral Resources Bureau
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河北省木兰围场国有林场管理局,河北,围场
TIAN Chao1,YANG Xin-bing1,LI Jun1,2,CAO Yun-sheng1,ZHANG Wei1,LIU Yang1,BI Ke-jiao1(1.Agricultural University of Hebei,Baoding,Hebei 071000,2.Mulan Forestry Administration of Hebei Province,Weichang,Hebei 068450)