Statistical analyses of regional surface water quality in southeastern Ontario
Identifieur interne : 000C00 ( Istex/Corpus ); précédent : 000B99; suivant : 000C01Statistical analyses of regional surface water quality in southeastern Ontario
Auteurs : Byron A. BodoSource :
- Environmental Monitoring and Assessment [ 0167-6369 ] ; 1992-12-01.
Abstract
Abstract: Historical records from Ontario's Provincial Water Quality Monitoring Network (PWQMN) for rivers and streams were analyzed to assess the feasibility of mapping regional water quality patterns in southeastern Ontario which spans two major geologic zones, the Precambrian Shield and the St. Lawrence Lowlands, thus serving as a paradigm for much of Ontario. Despite biases toward the populated Lowlands and associated pollution problems, general spatial trends are evident via the analysis of intervariable relations, individual parameter maps and multivariate analysis. Using a robust algorithm designed to identify outliers and abstract underlying bivariate relations, a linear regional hardness-alkalinity relation was derived, where most anomalies proved to be mine drainage impacted sites. Regionally, multivariate ordination reveals that central tendencies of common indicators of ionic strength and nutrient richness correlate positively and that site clusters broadly reflect the transition from oligotrophic Shield waters to eutrophic conditions of heavily agricultural Lowland streams. Results suggest that on the Shield more precisely delineated aquatic regions may be realized by applying GIS to integrate river and synoptic lake survey data. Further synthesis with bedrock and surficial geology, physiography, pedology and other temporally invariant spatial attributes should yield regional patterns of background quality from which locally ‘attainable’ water objectives might be defined. Additional synoptic surveys of sedimentary Lowland streams may be required as most available sites relflect anthropogenic pollution.
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DOI: 10.1007/BF00406960
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Bodo</name><affiliation><mods:affiliation>Water Resources Branch, Environment Ontario, 1 St. Clair Ave. W., M4V 1K6, Toronto, Canada</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Environmental Monitoring and Assessment</title><title level="j" type="sub">An International Journal Devoted to Progress in the Use of Monitoring Data in Assessing Environmental Risks to Man and the Environment</title><title level="j" type="abbrev">Environ Monit Assess</title><idno type="ISSN">0167-6369</idno><idno type="eISSN">1573-2959</idno><imprint><publisher>Kluwer Academic Publishers</publisher><pubPlace>Dordrecht</pubPlace><date type="published" when="1992-12-01">1992-12-01</date><biblScope unit="volume">23</biblScope><biblScope unit="issue">1-3</biblScope><biblScope unit="page" from="165">165</biblScope><biblScope unit="page" to="187">187</biblScope></imprint><idno type="ISSN">0167-6369</idno></series><idno type="istex">AFEBC5BBE7B022319041114EC9810F5E184E13E4</idno><idno type="DOI">10.1007/BF00406960</idno><idno type="ArticleID">BF00406960</idno><idno type="ArticleID">Art14</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0167-6369</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Historical records from Ontario's Provincial Water Quality Monitoring Network (PWQMN) for rivers and streams were analyzed to assess the feasibility of mapping regional water quality patterns in southeastern Ontario which spans two major geologic zones, the Precambrian Shield and the St. Lawrence Lowlands, thus serving as a paradigm for much of Ontario. Despite biases toward the populated Lowlands and associated pollution problems, general spatial trends are evident via the analysis of intervariable relations, individual parameter maps and multivariate analysis. Using a robust algorithm designed to identify outliers and abstract underlying bivariate relations, a linear regional hardness-alkalinity relation was derived, where most anomalies proved to be mine drainage impacted sites. Regionally, multivariate ordination reveals that central tendencies of common indicators of ionic strength and nutrient richness correlate positively and that site clusters broadly reflect the transition from oligotrophic Shield waters to eutrophic conditions of heavily agricultural Lowland streams. Results suggest that on the Shield more precisely delineated aquatic regions may be realized by applying GIS to integrate river and synoptic lake survey data. Further synthesis with bedrock and surficial geology, physiography, pedology and other temporally invariant spatial attributes should yield regional patterns of background quality from which locally ‘attainable’ water objectives might be defined. Additional synoptic surveys of sedimentary Lowland streams may be required as most available sites relflect anthropogenic pollution.</div></front></TEI><istex><corpusName>springer</corpusName><author><json:item><name>Byron A. 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Using a robust algorithm designed to identify outliers and abstract underlying bivariate relations, a linear regional hardness-alkalinity relation was derived, where most anomalies proved to be mine drainage impacted sites. Regionally, multivariate ordination reveals that central tendencies of common indicators of ionic strength and nutrient richness correlate positively and that site clusters broadly reflect the transition from oligotrophic Shield waters to eutrophic conditions of heavily agricultural Lowland streams. Results suggest that on the Shield more precisely delineated aquatic regions may be realized by applying GIS to integrate river and synoptic lake survey data. Further synthesis with bedrock and surficial geology, physiography, pedology and other temporally invariant spatial attributes should yield regional patterns of background quality from which locally ‘attainable’ water objectives might be defined. 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Despite biases toward the populated Lowlands and associated pollution problems, general spatial trends are evident via the analysis of intervariable relations, individual parameter maps and multivariate analysis. Using a robust algorithm designed to identify outliers and abstract underlying bivariate relations, a linear regional hardness-alkalinity relation was derived, where most anomalies proved to be mine drainage impacted sites. Regionally, multivariate ordination reveals that central tendencies of common indicators of ionic strength and nutrient richness correlate positively and that site clusters broadly reflect the transition from oligotrophic Shield waters to eutrophic conditions of heavily agricultural Lowland streams. Results suggest that on the Shield more precisely delineated aquatic regions may be realized by applying GIS to integrate river and synoptic lake survey data. Further synthesis with bedrock and surficial geology, physiography, pedology and other temporally invariant spatial attributes should yield regional patterns of background quality from which locally ‘attainable’ water objectives might be defined. Additional synoptic surveys of sedimentary Lowland streams may be required as most available sites relflect anthropogenic pollution.</p></abstract><textClass><keywords scheme="Journal Subject"><list><head>Environment</head><item><term>Ecology</term></item><item><term>Atmospheric Protection/Air Quality Control/Air Pollution</term></item><item><term>Environmental Management</term></item><item><term>Monitoring/Environmental Analysis/Environmental Ecotoxicology</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1992-12-01">Published</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2016-11-22">References added</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2017-01-20">References added</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/AFEBC5BBE7B022319041114EC9810F5E184E13E4/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Springer, Publisher found" wicri:toSee="no header"><istex:xmlDeclaration>version="1.0" encoding="UTF-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//Springer-Verlag//DTD A++ V2.4//EN" URI="http://devel.springer.de/A++/V2.4/DTD/A++V2.4.dtd" name="istex:docType"></istex:docType><istex:document><Publisher><PublisherInfo><PublisherName>Kluwer Academic Publishers</PublisherName><PublisherLocation>Dordrecht</PublisherLocation></PublisherInfo><Journal><JournalInfo JournalProductType="ArchiveJournal" NumberingStyle="Unnumbered"><JournalID>10661</JournalID><JournalPrintISSN>0167-6369</JournalPrintISSN><JournalElectronicISSN>1573-2959</JournalElectronicISSN><JournalTitle>Environmental Monitoring and Assessment</JournalTitle><JournalSubTitle>An International Journal Devoted to Progress in the Use of Monitoring Data in Assessing Environmental Risks to Man and the Environment</JournalSubTitle><JournalAbbreviatedTitle>Environ Monit Assess</JournalAbbreviatedTitle><JournalSubjectGroup><JournalSubject Type="Primary">Environment</JournalSubject><JournalSubject Type="Secondary">Ecology</JournalSubject><JournalSubject Type="Secondary">Atmospheric Protection/Air Quality Control/Air Pollution</JournalSubject><JournalSubject Type="Secondary">Environmental Management</JournalSubject><JournalSubject Type="Secondary">Monitoring/Environmental Analysis/Environmental Ecotoxicology</JournalSubject></JournalSubjectGroup></JournalInfo><Volume><VolumeInfo VolumeType="Regular" TocLevels="0"><VolumeIDStart>23</VolumeIDStart><VolumeIDEnd>23</VolumeIDEnd><VolumeIssueCount>3</VolumeIssueCount></VolumeInfo><Issue IssueType="Combined"><IssueInfo TocLevels="0"><IssueIDStart>1</IssueIDStart><IssueIDEnd>3</IssueIDEnd><IssueArticleCount>19</IssueArticleCount><IssueHistory><CoverDate><Year>1992</Year><Month>12</Month></CoverDate></IssueHistory><IssueCopyright><CopyrightHolderName>Kluwer Academic Publishers</CopyrightHolderName><CopyrightYear>1992</CopyrightYear></IssueCopyright></IssueInfo><Article ID="Art14"><ArticleInfo Language="En" ArticleType="OriginalPaper" NumberingStyle="Unnumbered" TocLevels="0" ContainsESM="No"><ArticleID>BF00406960</ArticleID><ArticleDOI>10.1007/BF00406960</ArticleDOI><ArticleSequenceNumber>14</ArticleSequenceNumber><ArticleTitle Language="En">Statistical analyses of regional surface water quality in southeastern Ontario</ArticleTitle><ArticleFirstPage>165</ArticleFirstPage><ArticleLastPage>187</ArticleLastPage><ArticleHistory><RegistrationDate><Year>2004</Year><Month>9</Month><Day>18</Day></RegistrationDate></ArticleHistory><ArticleCopyright><CopyrightHolderName>Kluwer Academic Publishers</CopyrightHolderName><CopyrightYear>1992</CopyrightYear></ArticleCopyright><ArticleGrants Type="Regular"><MetadataGrant Grant="OpenAccess"></MetadataGrant><AbstractGrant Grant="OpenAccess"></AbstractGrant><BodyPDFGrant Grant="Restricted"></BodyPDFGrant><BodyHTMLGrant Grant="Restricted"></BodyHTMLGrant><BibliographyGrant Grant="Restricted"></BibliographyGrant><ESMGrant Grant="Restricted"></ESMGrant></ArticleGrants><ArticleContext><JournalID>10661</JournalID><VolumeIDStart>23</VolumeIDStart><VolumeIDEnd>23</VolumeIDEnd><IssueIDStart>1</IssueIDStart><IssueIDEnd>3</IssueIDEnd><IssueTitle Language="En">Expert Systems and Statistical Methods in Water Resources</IssueTitle></ArticleContext></ArticleInfo><ArticleHeader><AuthorGroup><Author AffiliationIDS="Aff1" PresentAffiliationID="Aff2"><AuthorName DisplayOrder="Western"><GivenName>Byron</GivenName><GivenName>A.</GivenName><FamilyName>Bodo</FamilyName></AuthorName></Author><Affiliation ID="Aff1"><OrgDivision>Water Resources Branch</OrgDivision><OrgName>Environment Ontario</OrgName><OrgAddress><Street>1 St. Clair Ave. W.</Street><Postcode>M4V 1K6</Postcode><City>Toronto</City><Country>Canada</Country></OrgAddress></Affiliation><Affiliation ID="Aff2"><OrgName>Byron A. Bodo Associates</OrgName><OrgAddress><Street>40 Nassau St.</Street><Postcode>M5T 1M2</Postcode><City>Toronto</City><Country>Canada</Country></OrgAddress></Affiliation></AuthorGroup><Abstract ID="Abs1" Language="En"><Heading>Abstract</Heading><Para>Historical records from Ontario's Provincial Water Quality Monitoring Network (PWQMN) for rivers and streams were analyzed to assess the feasibility of mapping regional water quality patterns in southeastern Ontario which spans two major geologic zones, the Precambrian Shield and the St. Lawrence Lowlands, thus serving as a paradigm for much of Ontario. Despite biases toward the populated Lowlands and associated pollution problems, general spatial trends are evident via the analysis of intervariable relations, individual parameter maps and multivariate analysis. Using a robust algorithm designed to identify outliers and abstract underlying bivariate relations, a linear regional hardness-alkalinity relation was derived, where most anomalies proved to be mine drainage impacted sites. Regionally, multivariate ordination reveals that central tendencies of common indicators of ionic strength and nutrient richness correlate positively and that site clusters broadly reflect the transition from oligotrophic Shield waters to eutrophic conditions of heavily agricultural Lowland streams. Results suggest that on the Shield more precisely delineated aquatic regions may be realized by applying GIS to integrate river and synoptic lake survey data. Further synthesis with bedrock and surficial geology, physiography, pedology and other temporally invariant spatial attributes should yield regional patterns of background quality from which locally ‘attainable’ water objectives might be defined. Additional synoptic surveys of sedimentary Lowland streams may be required as most available sites relflect anthropogenic pollution.</Para></Abstract></ArticleHeader><NoBody></NoBody></Article></Issue></Volume></Journal></Publisher></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Statistical analyses of regional surface water quality in southeastern Ontario</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Statistical analyses of regional surface water quality in southeastern Ontario</title></titleInfo><name type="personal"><namePart type="given">Byron</namePart><namePart type="given">A.</namePart><namePart type="family">Bodo</namePart><affiliation>Water Resources Branch, Environment Ontario, 1 St. Clair Ave. W., M4V 1K6, Toronto, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="OriginalPaper"></genre><originInfo><publisher>Kluwer Academic Publishers</publisher><place><placeTerm type="text">Dordrecht</placeTerm></place><dateIssued encoding="w3cdtf">1992-12-01</dateIssued><copyrightDate encoding="w3cdtf">1992</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">Abstract: Historical records from Ontario's Provincial Water Quality Monitoring Network (PWQMN) for rivers and streams were analyzed to assess the feasibility of mapping regional water quality patterns in southeastern Ontario which spans two major geologic zones, the Precambrian Shield and the St. Lawrence Lowlands, thus serving as a paradigm for much of Ontario. Despite biases toward the populated Lowlands and associated pollution problems, general spatial trends are evident via the analysis of intervariable relations, individual parameter maps and multivariate analysis. Using a robust algorithm designed to identify outliers and abstract underlying bivariate relations, a linear regional hardness-alkalinity relation was derived, where most anomalies proved to be mine drainage impacted sites. Regionally, multivariate ordination reveals that central tendencies of common indicators of ionic strength and nutrient richness correlate positively and that site clusters broadly reflect the transition from oligotrophic Shield waters to eutrophic conditions of heavily agricultural Lowland streams. Results suggest that on the Shield more precisely delineated aquatic regions may be realized by applying GIS to integrate river and synoptic lake survey data. Further synthesis with bedrock and surficial geology, physiography, pedology and other temporally invariant spatial attributes should yield regional patterns of background quality from which locally ‘attainable’ water objectives might be defined. Additional synoptic surveys of sedimentary Lowland streams may be required as most available sites relflect anthropogenic pollution.</abstract><relatedItem type="host"><titleInfo><title>Environmental Monitoring and Assessment</title><subTitle>An International Journal Devoted to Progress in the Use of Monitoring Data in Assessing Environmental Risks to Man and the Environment</subTitle></titleInfo><titleInfo type="abbreviated"><title>Environ Monit Assess</title></titleInfo><genre type="journal" displayLabel="Archive Journal"></genre><originInfo><dateIssued encoding="w3cdtf">1992-12-01</dateIssued><copyrightDate encoding="w3cdtf">1992</copyrightDate></originInfo><subject><genre>Environment</genre><topic>Ecology</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Environmental Management</topic><topic>Monitoring/Environmental Analysis/Environmental Ecotoxicology</topic></subject><identifier type="ISSN">0167-6369</identifier><identifier type="eISSN">1573-2959</identifier><identifier type="JournalID">10661</identifier><identifier type="IssueArticleCount">19</identifier><identifier type="VolumeIssueCount">3</identifier><part><date>1992</date><detail type="issue"><title>Expert Systems and Statistical Methods in Water Resources</title></detail><detail type="volume"><number>23</number><caption>vol.</caption></detail><detail type="issue"><number>1-3</number><caption>no.</caption></detail><extent unit="pages"><start>165</start><end>187</end></extent></part><recordInfo><recordOrigin>Kluwer Academic Publishers, 1992</recordOrigin></recordInfo></relatedItem><identifier type="istex">AFEBC5BBE7B022319041114EC9810F5E184E13E4</identifier><identifier type="DOI">10.1007/BF00406960</identifier><identifier type="ArticleID">BF00406960</identifier><identifier type="ArticleID">Art14</identifier><accessCondition type="use and reproduction" contentType="copyright">Kluwer Academic Publishers, 1992</accessCondition><recordInfo><recordContentSource>SPRINGER</recordContentSource><recordOrigin>Kluwer Academic Publishers, 1992</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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