Controls on groundwater chemistry in subalpine catchments in the southern interior of British Columbia
Identifieur interne : 001702 ( Istex/Corpus ); précédent : 001701; suivant : 001703Controls on groundwater chemistry in subalpine catchments in the southern interior of British Columbia
Auteurs : Robert O. Hudson ; Douglas L. GoldingSource :
- Journal of Hydrology [ 0022-1694 ] ; 1997.
Abstract
The chemistry of groundwater was studied in small subalpine watersheds under different forest cover types at Upper Penticton Creek (UPC). The purpose of the research was to derive a model to predict chemical concentrations of cations, bicarbonate, sulphate and silica in groundwater on the basis of fixed site parameters and seasonally variable parameters. It was shown that sulphate was largely of atmospheric origin, whereas the other chemical species were controlled primarily by mineral weathering. It was found that hydraulic conductivity was the most important site parameter that governed the weathering process. Hydrologic zone, describing whether the site was a hillslope site, streamside site or seepage site, and forest cover type were also important site parameters. Within sites, seasonal variability can be best described by head, a measure of groundwater storage. The range of within-site chemical variability was generally less than that attributable to between-site factors; notable exceptions are sulphate and potassium, both of which are controlled significantly by plant uptake. In the hillslope zone, forest cover was the primary factor controlling seasonal variability due to the relative homogeneity of hydraulic conductivity among the sites tested within that zone. A general site-specific model to predict groundwater chemistry as a function of hydraulic conductivity, forest cover, hydrologic zone and groundwater head is proposed.
Url:
DOI: 10.1016/S0022-1694(97)00029-2
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V6T IW5, Canada</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:1350D5CD5C2D56068BF5C2582649530598ABECA7</idno><date when="1997" year="1997">1997</date><idno type="doi">10.1016/S0022-1694(97)00029-2</idno><idno type="url">https://api-v5.istex.fr/document/1350D5CD5C2D56068BF5C2582649530598ABECA7/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001702</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001702</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Controls on groundwater chemistry in subalpine catchments in the southern interior of British Columbia</title><author><name sortKey="Hudson, Robert O" sort="Hudson, Robert O" uniqKey="Hudson R" first="Robert O." last="Hudson">Robert O. Hudson</name><affiliation><mods:affiliation>British Columbia Ministry of Forests, Vancouver Region, 2/00 Labieux Road, Nanaimo, B.C. 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The purpose of the research was to derive a model to predict chemical concentrations of cations, bicarbonate, sulphate and silica in groundwater on the basis of fixed site parameters and seasonally variable parameters. It was shown that sulphate was largely of atmospheric origin, whereas the other chemical species were controlled primarily by mineral weathering. It was found that hydraulic conductivity was the most important site parameter that governed the weathering process. Hydrologic zone, describing whether the site was a hillslope site, streamside site or seepage site, and forest cover type were also important site parameters. Within sites, seasonal variability can be best described by head, a measure of groundwater storage. The range of within-site chemical variability was generally less than that attributable to between-site factors; notable exceptions are sulphate and potassium, both of which are controlled significantly by plant uptake. In the hillslope zone, forest cover was the primary factor controlling seasonal variability due to the relative homogeneity of hydraulic conductivity among the sites tested within that zone. A general site-specific model to predict groundwater chemistry as a function of hydraulic conductivity, forest cover, hydrologic zone and groundwater head is proposed.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>Robert O. Hudson</name><affiliations><json:string>British Columbia Ministry of Forests, Vancouver Region, 2/00 Labieux Road, Nanaimo, B.C. V9T 6E9, Canada</json:string></affiliations></json:item><json:item><name>Douglas L. Golding</name><affiliations><json:string>Faculty of Forestry, University of British Columbia, 2357 Main Mall, Vancouver, B.C. 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The purpose of the research was to derive a model to predict chemical concentrations of cations, bicarbonate, sulphate and silica in groundwater on the basis of fixed site parameters and seasonally variable parameters. It was shown that sulphate was largely of atmospheric origin, whereas the other chemical species were controlled primarily by mineral weathering. It was found that hydraulic conductivity was the most important site parameter that governed the weathering process. Hydrologic zone, describing whether the site was a hillslope site, streamside site or seepage site, and forest cover type were also important site parameters. Within sites, seasonal variability can be best described by head, a measure of groundwater storage. The range of within-site chemical variability was generally less than that attributable to between-site factors; notable exceptions are sulphate and potassium, both of which are controlled significantly by plant uptake. In the hillslope zone, forest cover was the primary factor controlling seasonal variability due to the relative homogeneity of hydraulic conductivity among the sites tested within that zone. 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The purpose of the research was to derive a model to predict chemical concentrations of cations, bicarbonate, sulphate and silica in groundwater on the basis of fixed site parameters and seasonally variable parameters. It was shown that sulphate was largely of atmospheric origin, whereas the other chemical species were controlled primarily by mineral weathering. It was found that hydraulic conductivity was the most important site parameter that governed the weathering process. Hydrologic zone, describing whether the site was a hillslope site, streamside site or seepage site, and forest cover type were also important site parameters. Within sites, seasonal variability can be best described by head, a measure of groundwater storage. The range of within-site chemical variability was generally less than that attributable to between-site factors; notable exceptions are sulphate and potassium, both of which are controlled significantly by plant uptake. In the hillslope zone, forest cover was the primary factor controlling seasonal variability due to the relative homogeneity of hydraulic conductivity among the sites tested within that zone. A general site-specific model to predict groundwater chemistry as a function of hydraulic conductivity, forest cover, hydrologic zone and groundwater head is proposed.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>Groundwater chemistry</term></item><item><term>Subalpine watersheds</term></item><item><term>Mineral weathering</term></item><item><term>Site-specific model</term></item><item><term>Predict</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1997-02-11">Modified</change><change when="1997">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api-v5.istex.fr/document/1350D5CD5C2D56068BF5C2582649530598ABECA7/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>HYDROL</jid><aid>97000292</aid><ce:pii>S0022-1694(97)00029-2</ce:pii><ce:doi>10.1016/S0022-1694(97)00029-2</ce:doi><ce:copyright type="unknown" year="1997"></ce:copyright></item-info><head><ce:dochead><ce:textfn>Research paper</ce:textfn></ce:dochead><ce:title>Controls on groundwater chemistry in subalpine catchments in the southern interior of British Columbia</ce:title><ce:author-group><ce:author><ce:given-name>Robert O.</ce:given-name><ce:surname>Hudson</ce:surname><ce:cross-ref refid="COR1"><ce:sup>∗</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Douglas L.</ce:given-name><ce:surname>Golding</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>British Columbia Ministry of Forests, Vancouver Region, 2/00 Labieux Road, Nanaimo, B.C. 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The purpose of the research was to derive a model to predict chemical concentrations of cations, bicarbonate, sulphate and silica in groundwater on the basis of fixed site parameters and seasonally variable parameters. It was shown that sulphate was largely of atmospheric origin, whereas the other chemical species were controlled primarily by mineral weathering. It was found that hydraulic conductivity was the most important site parameter that governed the weathering process. Hydrologic zone, describing whether the site was a hillslope site, streamside site or seepage site, and forest cover type were also important site parameters. Within sites, seasonal variability can be best described by head, a measure of groundwater storage. The range of within-site chemical variability was generally less than that attributable to between-site factors; notable exceptions are sulphate and potassium, both of which are controlled significantly by plant uptake. In the hillslope zone, forest cover was the primary factor controlling seasonal variability due to the relative homogeneity of hydraulic conductivity among the sites tested within that zone. A general site-specific model to predict groundwater chemistry as a function of hydraulic conductivity, forest cover, hydrologic zone and groundwater head is proposed.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Groundwater chemistry</ce:text></ce:keyword><ce:keyword><ce:text>Subalpine watersheds</ce:text></ce:keyword><ce:keyword><ce:text>Mineral weathering</ce:text></ce:keyword><ce:keyword><ce:text>Site-specific model</ce:text></ce:keyword><ce:keyword><ce:text>Predict</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Controls on groundwater chemistry in subalpine catchments in the southern interior of British Columbia</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Controls on groundwater chemistry in subalpine catchments in the southern interior of British Columbia</title></titleInfo><name type="personal"><namePart type="given">Robert O.</namePart><namePart type="family">Hudson</namePart><affiliation>British Columbia Ministry of Forests, Vancouver Region, 2/00 Labieux Road, Nanaimo, B.C. 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V6T IW5, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1997</dateIssued><dateModified encoding="w3cdtf">1997-02-11</dateModified><copyrightDate encoding="w3cdtf">1997</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">The chemistry of groundwater was studied in small subalpine watersheds under different forest cover types at Upper Penticton Creek (UPC). The purpose of the research was to derive a model to predict chemical concentrations of cations, bicarbonate, sulphate and silica in groundwater on the basis of fixed site parameters and seasonally variable parameters. It was shown that sulphate was largely of atmospheric origin, whereas the other chemical species were controlled primarily by mineral weathering. It was found that hydraulic conductivity was the most important site parameter that governed the weathering process. Hydrologic zone, describing whether the site was a hillslope site, streamside site or seepage site, and forest cover type were also important site parameters. Within sites, seasonal variability can be best described by head, a measure of groundwater storage. The range of within-site chemical variability was generally less than that attributable to between-site factors; notable exceptions are sulphate and potassium, both of which are controlled significantly by plant uptake. In the hillslope zone, forest cover was the primary factor controlling seasonal variability due to the relative homogeneity of hydraulic conductivity among the sites tested within that zone. A general site-specific model to predict groundwater chemistry as a function of hydraulic conductivity, forest cover, hydrologic zone and groundwater head is proposed.</abstract><note type="content">Section title: Research paper</note><subject><genre>Keywords</genre><topic>Groundwater chemistry</topic><topic>Subalpine watersheds</topic><topic>Mineral weathering</topic><topic>Site-specific model</topic><topic>Predict</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Hydrology</title></titleInfo><titleInfo type="abbreviated"><title>HYDROL</title></titleInfo><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">19971220</dateIssued></originInfo><identifier type="ISSN">0022-1694</identifier><identifier type="PII">S0022-1694(00)X0044-3</identifier><part><date>19971220</date><detail type="volume"><number>201</number><caption>vol.</caption></detail><detail type="issue"><number>1–4</number><caption>no.</caption></detail><extent unit="issue pages"><start>1</start><end>389</end></extent><extent unit="pages"><start>1</start><end>20</end></extent></part></relatedItem><identifier type="istex">1350D5CD5C2D56068BF5C2582649530598ABECA7</identifier><identifier type="DOI">10.1016/S0022-1694(97)00029-2</identifier><identifier type="PII">S0022-1694(97)00029-2</identifier><recordInfo><recordContentSource>ELSEVIER</recordContentSource></recordInfo></mods></metadata></istex></record>Pour manipuler ce document sous Unix (Dilib)
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