Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city.
Fast urbanization and industrialization in developing countries result in significant stormwater runoff pollution, due to drastic changes in land-use, from rural to urban. A three-year study on the stormwater runoff pollutant loading distributions of industrial, parking lot and mixed commercial and...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2015-01-01
|
| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC4361324?pdf=render |
| _version_ | 1811296229848514560 |
|---|---|
| author | Dongya Li Jinquan Wan Yongwen Ma Yan Wang Mingzhi Huang Yangmei Chen |
| author_facet | Dongya Li Jinquan Wan Yongwen Ma Yan Wang Mingzhi Huang Yangmei Chen |
| author_sort | Dongya Li |
| collection | DOAJ |
| description | Fast urbanization and industrialization in developing countries result in significant stormwater runoff pollution, due to drastic changes in land-use, from rural to urban. A three-year study on the stormwater runoff pollutant loading distributions of industrial, parking lot and mixed commercial and residential catchments was conducted in the Tongsha reservoir watershed of Dongguan city, a typical, rapidly industrialized urban area in China. This study presents the changes in concentration during rainfall events, event mean concentrations (EMCs) and event pollution loads per unit area (EPLs). The first flush criterion, namely the mass first flush ratio (MFFn), was used to identify the first flush effects. The impacts of rainfall and catchment characterization on EMCs and pollutant loads percentage transported by the first 40% of runoff volume (FF40) were evaluated. The results indicated that the pollutant wash-off process of runoff during the rainfall events has significant temporal and spatial variations. The mean rainfall intensity (I), the impervious rate (IMR) and max 5-min intensity (Imax5) are the critical parameters of EMCs, while Imax5, antecedent dry days (ADD) and rainfall depth (RD) are the critical parameters of FF40. Intercepting the first 40% of runoff volume can remove 55% of TSS load, 53% of COD load, 58% of TN load, and 61% of TP load, respectively, according to all the storm events. These results may be helpful in mitigating stormwater runoff pollution for many other urban areas in developing countries. |
| first_indexed | 2024-04-13T05:45:15Z |
| format | Article |
| id | doaj.art-e0ef89aa593e4875bbb94f05169b9d2f |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-04-13T05:45:15Z |
| publishDate | 2015-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-e0ef89aa593e4875bbb94f05169b9d2f2022-12-22T02:59:58ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-01103e011877610.1371/journal.pone.0118776Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city.Dongya LiJinquan WanYongwen MaYan WangMingzhi HuangYangmei ChenFast urbanization and industrialization in developing countries result in significant stormwater runoff pollution, due to drastic changes in land-use, from rural to urban. A three-year study on the stormwater runoff pollutant loading distributions of industrial, parking lot and mixed commercial and residential catchments was conducted in the Tongsha reservoir watershed of Dongguan city, a typical, rapidly industrialized urban area in China. This study presents the changes in concentration during rainfall events, event mean concentrations (EMCs) and event pollution loads per unit area (EPLs). The first flush criterion, namely the mass first flush ratio (MFFn), was used to identify the first flush effects. The impacts of rainfall and catchment characterization on EMCs and pollutant loads percentage transported by the first 40% of runoff volume (FF40) were evaluated. The results indicated that the pollutant wash-off process of runoff during the rainfall events has significant temporal and spatial variations. The mean rainfall intensity (I), the impervious rate (IMR) and max 5-min intensity (Imax5) are the critical parameters of EMCs, while Imax5, antecedent dry days (ADD) and rainfall depth (RD) are the critical parameters of FF40. Intercepting the first 40% of runoff volume can remove 55% of TSS load, 53% of COD load, 58% of TN load, and 61% of TP load, respectively, according to all the storm events. These results may be helpful in mitigating stormwater runoff pollution for many other urban areas in developing countries.http://europepmc.org/articles/PMC4361324?pdf=render |
| spellingShingle | Dongya Li Jinquan Wan Yongwen Ma Yan Wang Mingzhi Huang Yangmei Chen Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city. PLoS ONE |
| title | Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city. |
| title_full | Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city. |
| title_fullStr | Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city. |
| title_full_unstemmed | Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city. |
| title_short | Stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city. |
| title_sort | stormwater runoff pollutant loading distributions and their correlation with rainfall and catchment characteristics in a rapidly industrialized city |
| url | http://europepmc.org/articles/PMC4361324?pdf=render |
| work_keys_str_mv | AT dongyali stormwaterrunoffpollutantloadingdistributionsandtheircorrelationwithrainfallandcatchmentcharacteristicsinarapidlyindustrializedcity AT jinquanwan stormwaterrunoffpollutantloadingdistributionsandtheircorrelationwithrainfallandcatchmentcharacteristicsinarapidlyindustrializedcity AT yongwenma stormwaterrunoffpollutantloadingdistributionsandtheircorrelationwithrainfallandcatchmentcharacteristicsinarapidlyindustrializedcity AT yanwang stormwaterrunoffpollutantloadingdistributionsandtheircorrelationwithrainfallandcatchmentcharacteristicsinarapidlyindustrializedcity AT mingzhihuang stormwaterrunoffpollutantloadingdistributionsandtheircorrelationwithrainfallandcatchmentcharacteristicsinarapidlyindustrializedcity AT yangmeichen stormwaterrunoffpollutantloadingdistributionsandtheircorrelationwithrainfallandcatchmentcharacteristicsinarapidlyindustrializedcity |