The temporal changes in road stormwater runoff quality and the implications to first flush control in Chongqing, China

Zhang, Qianqian; Wang, Xiaoke; Hou, Peiqiang; Wan, Wuxing; Ren, Yangang; Ouyang, Zhiyun; Yang, Le

doi:10.1007/s10661-013-3289-x

Cited by 36 publications

(22 citation statements)

References 39 publications

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“…Factor 2 was a nutritional factor including TN and TP in Dochoncheon during dry days. During rainy days, SS and TP showed high positive factor loadings, which confirmed the runoff characteristics from impervious areas such as roads [42]. TP was included in Factor 2, and TN was observed in Factor 3 in Gongjicheon and Seolseongcheon during dry days.…”

Section: Factor Analysismentioning

confidence: 55%

A Comparison Study of Runoff Characteristics of Non-Point Source Pollution from Three Watersheds in South Korea

Park

Choi

Shin

et al. 2019

Water

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Three watersheds in Korea (Dochoncheon, Gongjicheon, Seolseongcheon) with different land cover characteristics were selected for non-point source pollution monitoring. Event mean concentration (EMC) was calculated, and runoff characteristics were compared through first-flushing and statistical analyses. The mean of the water quality parameters was the highest in Seolseongcheon during dry days among the three watersheds. EMCs of biochemical oxygen demand (BOD) and total nitrogen (TN) were higher in Dochoncheon and Gongjicheon during rainy days, respectively. The upper Seolseongchun watershed showed overall greater values of chemical oxygen demand (COD), suspended solids (SS), total organic carbon (TOC), and total phosphorus (TP). First-flush analyses indicated that SS had the strongest and TN had the weakest effects on the first flush. BOD was the highest in Dochoncheon (urban watershed) and increased with increased number of antecedent dry days. Rainfall intensity appeared to affect SS runoff strongly in Gongjicheon and Seolseongcheon. COD showed strong correlation with SS and TOC in all watersheds, and organic matter (COD and TOC) demonstrated high factor loads during dry and rainy days. Thus, organic matter–related factors were classified as the major factors in pollutant loads. TP and TN were separately classified during dry days in Gongjicheon and Seolseongcheon, whereas these were the secondary factors during rainfall when the influence of non-point pollution was substantial. Cluster analyses showed that the monitoring sites in Dochoncheon and Gongjicheon watersheds were closer than Seolseongcheon. As a result of the comparison of non-point source pollution runoff in the three watersheds, it was difficult to explain the non-point source pollution runoff by specific characteristics such as land cover. For science-based management of non-point pollution, it is necessary to obtain additional survey data considering the climatic, geographical and major industries.

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Section: Factor Analysismentioning

confidence: 55%

A Comparison Study of Runoff Characteristics of Non-Point Source Pollution from Three Watersheds in South Korea

Park

Choi

Shin

et al. 2019

Water

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“…This was precisely what we were able to produce from highly impervious surfaces in arid southern California. In contrast, other investigators [21][22][23] either have not observed a first flush or the first flush was not correlated to rainfall characteristics. For example, Han et al [24] measured first flush for TSS and trace metals during natural storm events from heavily used roadways in southern California, but no relationships were observed with rainfall depth, intensity, or duration.…”

Section: Discussionmentioning

confidence: 70%

Effects of Rainfall Intensity and Duration on the First Flush from Parking Lots

Schiff

Tiefenthaler

Bay

et al. 2016

Water

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Urban stormwater with large impervious (paved) areas often produces runoff with a variety of contaminants. Although southern California is among the most urbanized coastal areas in the United States, the effect of rainfall variations on washoff efficiency of contaminants from pervious and impervious surfaces is largely unknown. The goal of this study was to investigate the effect of varying rainfall intensities and duration on runoff composition from highly impervious parking lots. In order to control the tremendous natural variability in precipitation of the arid climate in southern California, rainfall simulators were used to generate and quantify pollutant washoff at changing intensities and durations. Washoff of suspended solids, total and dissolved trace metals, and polycyclic aromatic hydrocarbons was strongly inversely correlated with rainfall duration. Rainfall intensity only affected washoff at the smallest measured duration; higher intensities produced decreased concentrations. The effect of rainfall duration was a reflection of the first flush observed in pollutographs for every duration and intensity sampled. Peak concentrations, up to an order of magnitude higher than concentrations later in the event, occurred during the first 10 min after the onset of rainfall. Longer simulated storms effectively diluted the first flush.

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“…For rain characteristics, mostly poor correlations were obtained Han et al, 2006a;Desta et al, 2007;MacKay et al, 2011;Nason et al, 2012;Zhang et al, 2013) and only rain history appears to have an effect on the washed-off substances (Steiner and Goosse, 2007). In contrast, some researchers found a correlation between runoff concentrations and storm intensities (Pitt et al, 1995;Tiefenthaler et al, 2001;Crabtree et al, 2006).…”

Section: Climatementioning

confidence: 99%

“…The median pH of asphalt surfaces was the lowest (6.8) and varied between 5.4 and 8.2 (Zhang et al, 2013). A combination of asphalt and concrete surfaces had a median pH of 6.9 and varied between 6.4 (Lau et al, 2009) and 7.5 (Grotehusmann and Kasting, 2009).…”

Section: Correlation Between Ph and Type Of Surfacementioning

confidence: 99%

Critical review of heavy metal pollution of traffic area runoff: Occurrence, influencing factors, and partitioning

Huber

Welker

Helmreich

2016

Science of The Total Environment

308

167

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The temporal changes in road stormwater runoff quality and the implications to first flush control in Chongqing, China

Cited by 36 publications

References 39 publications

A Comparison Study of Runoff Characteristics of Non-Point Source Pollution from Three Watersheds in South Korea

A Comparison Study of Runoff Characteristics of Non-Point Source Pollution from Three Watersheds in South Korea

Effects of Rainfall Intensity and Duration on the First Flush from Parking Lots

Critical review of heavy metal pollution of traffic area runoff: Occurrence, influencing factors, and partitioning

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