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Hydropower reservoir sediment and water quality assessment
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| Zeitschriftentitel: | Management of Environmental Quality: An International Journal |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Management of Environmental Quality: An International Journal, 28, 2017, 1, S. 43-56 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Emerald
|
| Schlagwörter: |
| author_facet |
Estigoni, Marcus Vinicius Miranda, Renato Billia Mauad, Frederico Fabio Estigoni, Marcus Vinicius Miranda, Renato Billia Mauad, Frederico Fabio |
|---|---|
| author |
Estigoni, Marcus Vinicius Miranda, Renato Billia Mauad, Frederico Fabio |
| spellingShingle |
Estigoni, Marcus Vinicius Miranda, Renato Billia Mauad, Frederico Fabio Management of Environmental Quality: An International Journal Hydropower reservoir sediment and water quality assessment Management, Monitoring, Policy and Law Public Health, Environmental and Occupational Health |
| author_sort |
estigoni, marcus vinicius |
| spelling |
Estigoni, Marcus Vinicius Miranda, Renato Billia Mauad, Frederico Fabio 1477-7835 Emerald Management, Monitoring, Policy and Law Public Health, Environmental and Occupational Health http://dx.doi.org/10.1108/meq-07-2015-0153 <jats:sec> <jats:title content-type="abstract-subheading">Purpose</jats:title> <jats:p>Finer sediment particles (silt and clay) transported by rivers carry the major part of nutrient loads by absorption; thus, sediment settling can remove nutrients from the water column. The purpose of this paper is to analyze the relation between reservoir sedimentation and water quality by assessing the reservoir sedimentation process and the sediments’ characteristics.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Design/methodology/approach</jats:title> <jats:p>Bathymetric surveys from 2004 to 2014 were analyzed to assess the sedimentation process. Core samples provided information on a layer-by-layer basis of the sediment deposits, and water samples near the surface and near the bottom provided information on sediment concentration, and adsorbed and dissolved nutrients.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Findings</jats:title> <jats:p>The upstream region of a reservoir is already silted. From 2004 to 2014, the delta evoluted approximately 500 m downstream and the deposits were mainly composed of clay. An area of approximately 1,000 m between the delta and the dam should still be able to continue allowing sediment deposition in the coming years. Most of the nutrients were absorbed into the sediment particles, except for the nitrogen measured in the dry season.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Research limitations/implications</jats:title> <jats:p>Although analyses of the full cycle of the nutrients were not carried out, the constant sediment trapping of finer sediments and the high rate of absorbed nutrients in the suspended sediment support the hypothesis that the reservoir has removed nutrients from aqueous media by adsorption into sediments.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Practical implications</jats:title> <jats:p>In the studied case, reservoir sedimentation has led to better water quality downstream.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Originality/value</jats:title> <jats:p>It is shown in this study that reservoir sedimentation may have positive effects on river water quality.</jats:p> </jats:sec> Hydropower reservoir sediment and water quality assessment Management of Environmental Quality: An International Journal |
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Wirtschaftswissenschaften Medizin |
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Management of Environmental Quality: An International Journal |
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| title |
Hydropower reservoir sediment and water quality assessment |
| title_unstemmed |
Hydropower reservoir sediment and water quality assessment |
| title_full |
Hydropower reservoir sediment and water quality assessment |
| title_fullStr |
Hydropower reservoir sediment and water quality assessment |
| title_full_unstemmed |
Hydropower reservoir sediment and water quality assessment |
| title_short |
Hydropower reservoir sediment and water quality assessment |
| title_sort |
hydropower reservoir sediment and water quality assessment |
| topic |
Management, Monitoring, Policy and Law Public Health, Environmental and Occupational Health |
| url |
http://dx.doi.org/10.1108/meq-07-2015-0153 |
| publishDate |
2017 |
| physical |
43-56 |
| description |
<jats:sec>
<jats:title content-type="abstract-subheading">Purpose</jats:title>
<jats:p>Finer sediment particles (silt and clay) transported by rivers carry the major part of nutrient loads by absorption; thus, sediment settling can remove nutrients from the water column. The purpose of this paper is to analyze the relation between reservoir sedimentation and water quality by assessing the reservoir sedimentation process and the sediments’ characteristics.</jats:p>
</jats:sec>
<jats:sec>
<jats:title content-type="abstract-subheading">Design/methodology/approach</jats:title>
<jats:p>Bathymetric surveys from 2004 to 2014 were analyzed to assess the sedimentation process. Core samples provided information on a layer-by-layer basis of the sediment deposits, and water samples near the surface and near the bottom provided information on sediment concentration, and adsorbed and dissolved nutrients.</jats:p>
</jats:sec>
<jats:sec>
<jats:title content-type="abstract-subheading">Findings</jats:title>
<jats:p>The upstream region of a reservoir is already silted. From 2004 to 2014, the delta evoluted approximately 500 m downstream and the deposits were mainly composed of clay. An area of approximately 1,000 m between the delta and the dam should still be able to continue allowing sediment deposition in the coming years. Most of the nutrients were absorbed into the sediment particles, except for the nitrogen measured in the dry season.</jats:p>
</jats:sec>
<jats:sec>
<jats:title content-type="abstract-subheading">Research limitations/implications</jats:title>
<jats:p>Although analyses of the full cycle of the nutrients were not carried out, the constant sediment trapping of finer sediments and the high rate of absorbed nutrients in the suspended sediment support the hypothesis that the reservoir has removed nutrients from aqueous media by adsorption into sediments.</jats:p>
</jats:sec>
<jats:sec>
<jats:title content-type="abstract-subheading">Practical implications</jats:title>
<jats:p>In the studied case, reservoir sedimentation has led to better water quality downstream.</jats:p>
</jats:sec>
<jats:sec>
<jats:title content-type="abstract-subheading">Originality/value</jats:title>
<jats:p>It is shown in this study that reservoir sedimentation may have positive effects on river water quality.</jats:p>
</jats:sec> |
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| author | Estigoni, Marcus Vinicius, Miranda, Renato Billia, Mauad, Frederico Fabio |
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| description | <jats:sec> <jats:title content-type="abstract-subheading">Purpose</jats:title> <jats:p>Finer sediment particles (silt and clay) transported by rivers carry the major part of nutrient loads by absorption; thus, sediment settling can remove nutrients from the water column. The purpose of this paper is to analyze the relation between reservoir sedimentation and water quality by assessing the reservoir sedimentation process and the sediments’ characteristics.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Design/methodology/approach</jats:title> <jats:p>Bathymetric surveys from 2004 to 2014 were analyzed to assess the sedimentation process. Core samples provided information on a layer-by-layer basis of the sediment deposits, and water samples near the surface and near the bottom provided information on sediment concentration, and adsorbed and dissolved nutrients.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Findings</jats:title> <jats:p>The upstream region of a reservoir is already silted. From 2004 to 2014, the delta evoluted approximately 500 m downstream and the deposits were mainly composed of clay. An area of approximately 1,000 m between the delta and the dam should still be able to continue allowing sediment deposition in the coming years. Most of the nutrients were absorbed into the sediment particles, except for the nitrogen measured in the dry season.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Research limitations/implications</jats:title> <jats:p>Although analyses of the full cycle of the nutrients were not carried out, the constant sediment trapping of finer sediments and the high rate of absorbed nutrients in the suspended sediment support the hypothesis that the reservoir has removed nutrients from aqueous media by adsorption into sediments.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Practical implications</jats:title> <jats:p>In the studied case, reservoir sedimentation has led to better water quality downstream.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Originality/value</jats:title> <jats:p>It is shown in this study that reservoir sedimentation may have positive effects on river water quality.</jats:p> </jats:sec> |
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| spelling | Estigoni, Marcus Vinicius Miranda, Renato Billia Mauad, Frederico Fabio 1477-7835 Emerald Management, Monitoring, Policy and Law Public Health, Environmental and Occupational Health http://dx.doi.org/10.1108/meq-07-2015-0153 <jats:sec> <jats:title content-type="abstract-subheading">Purpose</jats:title> <jats:p>Finer sediment particles (silt and clay) transported by rivers carry the major part of nutrient loads by absorption; thus, sediment settling can remove nutrients from the water column. The purpose of this paper is to analyze the relation between reservoir sedimentation and water quality by assessing the reservoir sedimentation process and the sediments’ characteristics.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Design/methodology/approach</jats:title> <jats:p>Bathymetric surveys from 2004 to 2014 were analyzed to assess the sedimentation process. Core samples provided information on a layer-by-layer basis of the sediment deposits, and water samples near the surface and near the bottom provided information on sediment concentration, and adsorbed and dissolved nutrients.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Findings</jats:title> <jats:p>The upstream region of a reservoir is already silted. From 2004 to 2014, the delta evoluted approximately 500 m downstream and the deposits were mainly composed of clay. An area of approximately 1,000 m between the delta and the dam should still be able to continue allowing sediment deposition in the coming years. Most of the nutrients were absorbed into the sediment particles, except for the nitrogen measured in the dry season.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Research limitations/implications</jats:title> <jats:p>Although analyses of the full cycle of the nutrients were not carried out, the constant sediment trapping of finer sediments and the high rate of absorbed nutrients in the suspended sediment support the hypothesis that the reservoir has removed nutrients from aqueous media by adsorption into sediments.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Practical implications</jats:title> <jats:p>In the studied case, reservoir sedimentation has led to better water quality downstream.</jats:p> </jats:sec> <jats:sec> <jats:title content-type="abstract-subheading">Originality/value</jats:title> <jats:p>It is shown in this study that reservoir sedimentation may have positive effects on river water quality.</jats:p> </jats:sec> Hydropower reservoir sediment and water quality assessment Management of Environmental Quality: An International Journal |
| spellingShingle | Estigoni, Marcus Vinicius, Miranda, Renato Billia, Mauad, Frederico Fabio, Management of Environmental Quality: An International Journal, Hydropower reservoir sediment and water quality assessment, Management, Monitoring, Policy and Law, Public Health, Environmental and Occupational Health |
| title | Hydropower reservoir sediment and water quality assessment |
| title_full | Hydropower reservoir sediment and water quality assessment |
| title_fullStr | Hydropower reservoir sediment and water quality assessment |
| title_full_unstemmed | Hydropower reservoir sediment and water quality assessment |
| title_short | Hydropower reservoir sediment and water quality assessment |
| title_sort | hydropower reservoir sediment and water quality assessment |
| title_unstemmed | Hydropower reservoir sediment and water quality assessment |
| topic | Management, Monitoring, Policy and Law, Public Health, Environmental and Occupational Health |
| url | http://dx.doi.org/10.1108/meq-07-2015-0153 |