Provision,transport and deposition of debris in urban waterways
Provision,transport and deposition of debris in urban waterways出 版 物：《International Journal of Sediment Research》 (国际泥沙研究(英文版))
年 卷 期：2015年第30卷第2期
页 面：142-149页
核心收录：
学科分类：081504[工学-水利水电工程] 08[工学] 0815[工学-水利工程]
基 金：supported by the Engineering and Physical Sciences Research Council(EPSRC EP/J501335/1 and EP/K50337X/1) the Heriot-Watt University School of the Built Environment part of the Blue-Green Cities project
主 题：Urban debris transport Flood risk Blockage Urban gross pollutants Passive integrated transponder technology
摘 要：The transport of woody debris from urban surfaces,through local urban waterways,to constriction and blockage risk locations is not well *** trials have identified debris and watercourse dimensions as influential factors on debris movement,and large woody debris movement has been traced in the natural rural environment using time series photography,active transponders,and field *** novel passive transponder technology,small woody debris has been traced through an urban case study watercourse to establish key influential factors on urban debris *** incorporating urban debris transport detail into the source and deposition process,a complete picture of urban debris transport can be created,supporting effective culvert and trash screen design,watercourse maintenance and blockage risk *** case study highlights that factors beyond watercourse depth and velocity are influential in debris movement within an urban *** dimension and source location upstream are shown to significantly affect the potential for debris to reach a downstream constriction,illustrating a possible distance limitation in nuisance flow debris blockage risk.
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