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Road runoff pollution by polycyclic aromatic hydrocarbons and its contribution to river sediments

Identifieur interne : 000C04 ( Istex/Corpus ); précédent : 000C03; suivant : 000C05

Road runoff pollution by polycyclic aromatic hydrocarbons and its contribution to river sediments

Auteurs : Andreas Krein ; Marcel Schorer

Source :

RBID : ISTEX:01E336EE3553EA8BD303C797C8096DC24AA50B24

Abstract

Particle-bound pollutants from road runoff and their entry into the river system were investigated and compared to river bottom sediments. The intensity of rainfall is responsible for the wash load, whereas the grain size distribution is controlled by the amount of rainfall and sorting processes near the sink traps of the streets. While the concentrations of suspended heavy metals show a familiar inverse relationship to particle size both in road runoff and river bottom sediments, the situation for polycyclic aromatic hydrocarbons (PAHs) is less clear. They are bimodally distributed. In street runoff, small molecules such as three-ring PAHs tend to be enriched in the fine sand fraction. Six-ring molecules show maximum concentrations in the fine silt fraction. In addition to chemical properties, the activation of both particle and PAH sources play an important role. After the input in the river system this pattern changes again. The chemical composition and structure of organic material become more significant than the sources, whereas its amount is only of minor importance.

Url:
DOI: 10.1016/S0043-1354(00)00156-1

Links to Exploration step

ISTEX:01E336EE3553EA8BD303C797C8096DC24AA50B24

Le document en format XML

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<note type="content">Fig. 1: Road runoff material 12 September 1997—concentrations of fluorene, anthracene and phenanthrene in different grain sizes of a selected sample.</note>
<note type="content">Fig. 2: Road runoff material 12 September 1997—concentrations of indeno(cd)pyrene, benzo(ghi)perylene and dibenz(ah)anthracene in different grain sizes of a selected sample.</note>
<note type="content">Fig. 3: Chemographs of selected pollutants in street dust.</note>
<note type="content">Fig. 4: Road runoff material 12 September 1997—concentrations of fluoranthene benzo(ghi)perylene and organic carbon in different fractions of a selected sample.</note>
<note type="content">Fig. 5: River bottom sediment 13 September 1997—concentration of fluoranthene, benzo(ghi)perylene and organic carbon in different fractions of a selected sample.</note>
<note type="content">Table 1: Average concentrations along with standard deviations of selected PAHs and the organic carbon content in different grain-size fractions of eight road runoff material samples and eight river bottom sediment samples</note>
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<ce:date-received day="13" month="9" year="1999"></ce:date-received>
<ce:date-accepted day="21" month="1" year="2000"></ce:date-accepted>
<ce:abstract>
<ce:section-title>Abstract</ce:section-title>
<ce:abstract-sec>
<ce:simple-para>Particle-bound pollutants from road runoff and their entry into the river system were investigated and compared to river bottom sediments. The intensity of rainfall is responsible for the wash load, whereas the grain size distribution is controlled by the amount of rainfall and sorting processes near the sink traps of the streets. While the concentrations of suspended heavy metals show a familiar inverse relationship to particle size both in road runoff and river bottom sediments, the situation for polycyclic aromatic hydrocarbons (PAHs) is less clear. They are bimodally distributed. In street runoff, small molecules such as three-ring PAHs tend to be enriched in the fine sand fraction. Six-ring molecules show maximum concentrations in the fine silt fraction. In addition to chemical properties, the activation of both particle and PAH sources play an important role. After the input in the river system this pattern changes again. The chemical composition and structure of organic material become more significant than the sources, whereas its amount is only of minor importance.</ce:simple-para>
</ce:abstract-sec>
</ce:abstract>
<ce:keywords class="keyword">
<ce:section-title>Keywords</ce:section-title>
<ce:keyword>
<ce:text>sediments</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>urban runoff</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>PAH</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>heavy metals</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>elutriation</ce:text>
</ce:keyword>
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<title>Road runoff pollution by polycyclic aromatic hydrocarbons and its contribution to river sediments</title>
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<title>Road runoff pollution by polycyclic aromatic hydrocarbons and its contribution to river sediments</title>
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<name type="personal">
<namePart type="given">Andreas</namePart>
<namePart type="family">Krein</namePart>
<affiliation>Department of Hydrology, University of Trier, 54286, Trier, Germany</affiliation>
<affiliation>E-mail: krein@uni-trier.de</affiliation>
<description>Author to whom all correspondence should be addressed. Tel.: +49-651-201-2235; fax: +49-651-201-3978</description>
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<name type="personal">
<namePart type="given">Marcel</namePart>
<namePart type="family">Schorer</namePart>
<affiliation>Department of Hydrology, University of Trier, 54286, Trier, Germany</affiliation>
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<abstract lang="en">Particle-bound pollutants from road runoff and their entry into the river system were investigated and compared to river bottom sediments. The intensity of rainfall is responsible for the wash load, whereas the grain size distribution is controlled by the amount of rainfall and sorting processes near the sink traps of the streets. While the concentrations of suspended heavy metals show a familiar inverse relationship to particle size both in road runoff and river bottom sediments, the situation for polycyclic aromatic hydrocarbons (PAHs) is less clear. They are bimodally distributed. In street runoff, small molecules such as three-ring PAHs tend to be enriched in the fine sand fraction. Six-ring molecules show maximum concentrations in the fine silt fraction. In addition to chemical properties, the activation of both particle and PAH sources play an important role. After the input in the river system this pattern changes again. The chemical composition and structure of organic material become more significant than the sources, whereas its amount is only of minor importance.</abstract>
<note type="content">Section title: Research Note</note>
<note type="content">Fig. 1: Road runoff material 12 September 1997—concentrations of fluorene, anthracene and phenanthrene in different grain sizes of a selected sample.</note>
<note type="content">Fig. 2: Road runoff material 12 September 1997—concentrations of indeno(cd)pyrene, benzo(ghi)perylene and dibenz(ah)anthracene in different grain sizes of a selected sample.</note>
<note type="content">Fig. 3: Chemographs of selected pollutants in street dust.</note>
<note type="content">Fig. 4: Road runoff material 12 September 1997—concentrations of fluoranthene benzo(ghi)perylene and organic carbon in different fractions of a selected sample.</note>
<note type="content">Fig. 5: River bottom sediment 13 September 1997—concentration of fluoranthene, benzo(ghi)perylene and organic carbon in different fractions of a selected sample.</note>
<note type="content">Table 1: Average concentrations along with standard deviations of selected PAHs and the organic carbon content in different grain-size fractions of eight road runoff material samples and eight river bottom sediment samples</note>
<subject>
<genre>Keywords</genre>
<topic>sediments</topic>
<topic>urban runoff</topic>
<topic>PAH</topic>
<topic>heavy metals</topic>
<topic>elutriation</topic>
</subject>
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<title>Water Research</title>
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<title>WR</title>
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<dateIssued encoding="w3cdtf">20001101</dateIssued>
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<identifier type="ISSN">0043-1354</identifier>
<identifier type="PII">S0043-1354(00)X0081-4</identifier>
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<date>20001101</date>
<detail type="volume">
<number>34</number>
<caption>vol.</caption>
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<number>16</number>
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<identifier type="DOI">10.1016/S0043-1354(00)00156-1</identifier>
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<accessCondition type="use and reproduction" contentType="copyright">©2000 Elsevier Science Ltd</accessCondition>
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