Evaluation of Soil Class Proxies for Hydrologic Performance of In Situ Bioinfiltration Systems
Evaluation of Soil Class Proxies for Hydrologic Performance of In Situ Bioinfiltration Systems
复制标题
原位生物渗透系统水文性能的土壤类别代理评估
DOI：
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发表时间：
2016
期刊：
影响因子：
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通讯作者：
A. Welker
中科院分区：
文献类型：
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作者：
Ryan S. Lee;R. Traver;A. Welker
摘要原位生物渗透系统（生物滞留系统，没有填充介质或暗渠）的水文性能进行了量化和土壤类作为设计要求的代理进行评估。采用一维理查德方程生物入渗系统模型，结合土壤水力特性数据，对土壤水力特性的影响进行了蒙特卡罗分析;结果按土壤质地类别和水文土壤组（HSG）进行总结，显示质地类别通常是用于估计原位生物渗透细胞的渗透性能的较差的代表（R2=0.40）。由于渗透测量需要估计的HSG，它们是一个更好的代理生物渗透性能（R2=0.89）。它被发现，土壤代理提供了一定的可靠的指导方针：HSG-D土壤总是需要工程填充介质与暗沟，而暗沟是没有必要的砂，壤土砂，HSG-A，和HSG-B的原生土壤。
AbstractThe hydrologic performance of in situ bioinfiltration systems (bioretention systems with no fill media or underdrain) is quantified and soil classes are evaluated as proxies for design requirements. A one-dimensional (1D) Richard’s equation model of a bioinfiltration system is used in combination with a dataset of soil hydraulic properties to conduct a Monte Carlo analysis of the effect of soil hydraulic properties; the results are summarized both by soil textural class and by hydrologic soil group (HSG), showing that textural class is generally a poor proxy for estimating the infiltration performance of in situ bioinfiltration cells (R2=0.40). Because infiltration measurements are required to estimate the HSG, they are a better proxy for bioinfiltration performance (R2=0.89). It is found that soil proxies do provide certain reliable guidelines: HSG-D soils always require engineered fill media with an underdrain; whereas underdrains are not necessary for sand, loamy sand, HSG-A, and HSG-B native s...