Modelling the effects of changes in rainfall event characteristics on TSS loads in urban runoff

被引：35

作者：

Borris, Matthias ^{[1
]}

Viklander, Maria ^{[1
]}

Gustafsson, Anna-Maria ^{[1
]}

Marsalek, Jiri ^{[2
]}

机构：

[1] Lulea Univ Technol, Dept Civil Environm & Nat Resources Engn, S-97187 Lulea, Sweden

[2] Environm Canada, Natl Water Res Inst, Burlington, ON L7R 4A6, Canada

来源：

HYDROLOGICAL PROCESSES | 2014年 / 28卷 / 04期

基金：

瑞典研究理事会;

关键词：

stormwater quality; rainfall event characteristics; climate change; computer simulations; geographical coordinates 64 degrees 45 0 N; 20; degrees; 57; 0E; POLLUTANT WASH-OFF; 1ST FLUSH; STORMWATER;

D O I：

10.1002/hyp.9729

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

The effect of changes in rainfall event characteristics on urban stormwater quality, which was described by total suspended solids (TSS), was studied by means of computer simulations conducted with the Storm Water Management Model for a climate change scenario for northern Sweden. The simulation results showed that TSS event loads depended mainly on rainfall depth and intensity, but not on antecedent conditions. Storms with low-to-intermediate depths and intensities showed the highest sensitivity to changes in rainfall input, both for percentage and absolute changes in TSS wash-off loads, which was explained by the contribution of pervious areas and supply limitations. This has significant implications for stormwater management, because those relatively frequent events generally carry a high percentage of the annual pollutant load. Copyright (c) 2013 John Wiley & Sons, Ltd.

引用

页码：1787 / 1796

页数：10

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