Contaminants in Urban Stormwater: Barcelona case study
Today's cities face simultaneous challenges due to rapidly growing populations, urban sprawl, climate change, and environmental pollution which pose a pressure on our traditional urban drinking water supplies. In this context, stormwater could augment our over-drafted urban groundwater resources. However, urban stormwater runoff carries a myriad of dissolved contaminants (e.g., organics, metals, nutrients), which pose a serious risk to the environmental and public health. Moreover, dissolved contaminants of urban origin - such as trace metals and organic compounds of emerging concern - may not be adequately removed by conventional stormwater treatments. Therefore, it is of the utmost importance to fully understand stormwater contaminant presence, transport, and fate in the built environment to design novel or improve conventional treatment systems. To address this knowledge gap, we have conducted 7 field sampling campaigns during storm events at different Barcelona locations (within 3 districts) to investigate contaminant presence in different urban compartments (e.g., roofs, conventional streets with automobile traffic, pedestrian streets, and green infrastructure outlets). Preliminary results have confirmed presence of toxic metals in Barcelona urban rain and stormwater runoff along with significant differences depending on the catchment areas. After a storm event, trace metal concentrations followed the order: roof rain < pedestrian street runoff < conventional street runoff. Additionally, blue-green infrastructures (bioretention systems) had lower mean metal concentrations at the effluent (outlet) than the influents (inlet). Our initial results on metal occurrence in stormwater collected in the city of Barcelona will provide stormwater quality foundation for water agencies, municipalities, and companies in other water-stressed regions with Mediterranean climate.
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Language: | English |
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European Geosciences Union
2023-03-27
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Subjects: | Contaminants, Urban Stormwater, Pollution, http://metadata.un.org/sdg/6, Ensure availability and sustainable management of water and sanitation for all, |
Online Access: | http://hdl.handle.net/10261/306138 https://api.elsevier.com/content/abstract/scopus_id/85151428823 |
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dig-idaea-es-10261-3061382024-05-17T21:20:32Z Contaminants in Urban Stormwater: Barcelona case study Teixidó, Marc Schmidlin, Diego Xu, Jiaqi Scheiber, Laura Chesa, Maria José Vázquez-Suñé, Enric 0000-0002-1225-8047 0000-0002-9744-6310 Contaminants Urban Stormwater Pollution http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all Today's cities face simultaneous challenges due to rapidly growing populations, urban sprawl, climate change, and environmental pollution which pose a pressure on our traditional urban drinking water supplies. In this context, stormwater could augment our over-drafted urban groundwater resources. However, urban stormwater runoff carries a myriad of dissolved contaminants (e.g., organics, metals, nutrients), which pose a serious risk to the environmental and public health. Moreover, dissolved contaminants of urban origin - such as trace metals and organic compounds of emerging concern - may not be adequately removed by conventional stormwater treatments. Therefore, it is of the utmost importance to fully understand stormwater contaminant presence, transport, and fate in the built environment to design novel or improve conventional treatment systems. To address this knowledge gap, we have conducted 7 field sampling campaigns during storm events at different Barcelona locations (within 3 districts) to investigate contaminant presence in different urban compartments (e.g., roofs, conventional streets with automobile traffic, pedestrian streets, and green infrastructure outlets). Preliminary results have confirmed presence of toxic metals in Barcelona urban rain and stormwater runoff along with significant differences depending on the catchment areas. After a storm event, trace metal concentrations followed the order: roof rain < pedestrian street runoff < conventional street runoff. Additionally, blue-green infrastructures (bioretention systems) had lower mean metal concentrations at the effluent (outlet) than the influents (inlet). Our initial results on metal occurrence in stormwater collected in the city of Barcelona will provide stormwater quality foundation for water agencies, municipalities, and companies in other water-stressed regions with Mediterranean climate. This research has been supported by the Agència de Gestió d'Ajuts Universitaris i de Recerca (Beatriu de Pinós 2020 (grant no. 2020BP00280)). This work was supported by the Barcelona City Council through the “Scientific Research into Urban Challenges in the City of Barcelona 2020 Award” (grant no. 21S04652). We acknowledge support of the publication fee by the CSIC Open Access Publication Support Initiative through its Unit of Information Resources for Research (URICI). Peer reviewed 2023-04-13T09:42:15Z 2023-04-13T09:42:15Z 2023-03-27 artículo http://purl.org/coar/resource_type/c_6501 Advances in Geosciences 59: 69–76 (2023) 16807340 http://hdl.handle.net/10261/306138 10.5194/adgeo-59-69-2023 2-s2.0-85151428823 https://api.elsevier.com/content/abstract/scopus_id/85151428823 en Advances in Geosciences Publisher's version https://doi.org/10.5194/adgeo-59-69-2023 Sí open European Geosciences Union |
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Contaminants Urban Stormwater Pollution http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all Contaminants Urban Stormwater Pollution http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all |
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Contaminants Urban Stormwater Pollution http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all Contaminants Urban Stormwater Pollution http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all Teixidó, Marc Schmidlin, Diego Xu, Jiaqi Scheiber, Laura Chesa, Maria José Vázquez-Suñé, Enric Contaminants in Urban Stormwater: Barcelona case study |
description |
Today's cities face simultaneous challenges due to rapidly growing populations, urban sprawl, climate change, and environmental pollution which pose a pressure on our traditional urban drinking water supplies. In this context, stormwater could augment our over-drafted urban groundwater resources. However, urban stormwater runoff carries a myriad of dissolved contaminants (e.g., organics, metals, nutrients), which pose a serious risk to the environmental and public health. Moreover, dissolved contaminants of urban origin - such as trace metals and organic compounds of emerging concern - may not be adequately removed by conventional stormwater treatments. Therefore, it is of the utmost importance to fully understand stormwater contaminant presence, transport, and fate in the built environment to design novel or improve conventional treatment systems. To address this knowledge gap, we have conducted 7 field sampling campaigns during storm events at different Barcelona locations (within 3 districts) to investigate contaminant presence in different urban compartments (e.g., roofs, conventional streets with automobile traffic, pedestrian streets, and green infrastructure outlets). Preliminary results have confirmed presence of toxic metals in Barcelona urban rain and stormwater runoff along with significant differences depending on the catchment areas. After a storm event, trace metal concentrations followed the order: roof rain < pedestrian street runoff < conventional street runoff. Additionally, blue-green infrastructures (bioretention systems) had lower mean metal concentrations at the effluent (outlet) than the influents (inlet). Our initial results on metal occurrence in stormwater collected in the city of Barcelona will provide stormwater quality foundation for water agencies, municipalities, and companies in other water-stressed regions with Mediterranean climate. |
author2 |
0000-0002-1225-8047 |
author_facet |
0000-0002-1225-8047 Teixidó, Marc Schmidlin, Diego Xu, Jiaqi Scheiber, Laura Chesa, Maria José Vázquez-Suñé, Enric |
format |
artículo |
topic_facet |
Contaminants Urban Stormwater Pollution http://metadata.un.org/sdg/6 Ensure availability and sustainable management of water and sanitation for all |
author |
Teixidó, Marc Schmidlin, Diego Xu, Jiaqi Scheiber, Laura Chesa, Maria José Vázquez-Suñé, Enric |
author_sort |
Teixidó, Marc |
title |
Contaminants in Urban Stormwater: Barcelona case study |
title_short |
Contaminants in Urban Stormwater: Barcelona case study |
title_full |
Contaminants in Urban Stormwater: Barcelona case study |
title_fullStr |
Contaminants in Urban Stormwater: Barcelona case study |
title_full_unstemmed |
Contaminants in Urban Stormwater: Barcelona case study |
title_sort |
contaminants in urban stormwater: barcelona case study |
publisher |
European Geosciences Union |
publishDate |
2023-03-27 |
url |
http://hdl.handle.net/10261/306138 https://api.elsevier.com/content/abstract/scopus_id/85151428823 |
work_keys_str_mv |
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