MAGPIE: A modelling framework for evaluating nitrate losses at national and catchment scales
Identifieur interne : 000481 ( Istex/Corpus ); précédent : 000480; suivant : 000482MAGPIE: A modelling framework for evaluating nitrate losses at national and catchment scales
Auteurs : E. I. Lord ; S. G. AnthonySource :
- Soil Use and Management [ 0266-0032 ] ; 2000-06.
English descriptors
Abstract
Abstract. A national agri‐environmental database and nitrate modelling system has been developed to support the UK government's nitrate policy development. The framework, ‘MAGPIE’, consists of a database and models linked within a Geographical Information System and provides a user interface which allows detailed spatial and statistical investigation of the current state (data and model output) and the impact of changes in conditions or agricultural practice. Data on crops and livestock numbers taken from the annual agricultural census were modified in relation to land cover data derived from remote sensing, and other sources. These data and data on climate, soils and altitude were interpolated to a 1 km grid. The models of nitrate loss were adapted to work with this data set while retaining as far as possible the salient features of the more detailed models and data from which they were derived. The resulting Policy Decision Support System was found to give estimates of mean annual flow and nitrate load for agricultural catchments which matched measured data closely. The system has contributed to work on a number of policy issues both within the UK and in the UK's contribution to international policy development on pollution derived from agriculture.
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DOI: 10.1111/j.1475-2743.2000.tb00222.x
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ISTEX:164540E9185263B4C6E471ABE2FD3828ABF728C1Le document en format XML
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Lord</name><affiliation><mods:affiliation>Environment Modelling and GIS group, ADAS Research, Woodthorne, Wergs Road, Wolverhampton, WV6 8TQ, UK. Fax: (+44) 1902 693166. E‐mail: Eunice.Lord@adas.co.uk</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author.</mods:affiliation></affiliation></author><author><name sortKey="Anthony, S G" sort="Anthony, S G" uniqKey="Anthony S" first="S. G." last="Anthony">S. G. Anthony</name><affiliation><mods:affiliation>Environment Modelling and GIS group, ADAS Research, Woodthorne, Wergs Road, Wolverhampton, WV6 8TQ, UK. Fax: (+44) 1902 693166. 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A national agri‐environmental database and nitrate modelling system has been developed to support the UK government's nitrate policy development. The framework, ‘MAGPIE’, consists of a database and models linked within a Geographical Information System and provides a user interface which allows detailed spatial and statistical investigation of the current state (data and model output) and the impact of changes in conditions or agricultural practice. Data on crops and livestock numbers taken from the annual agricultural census were modified in relation to land cover data derived from remote sensing, and other sources. These data and data on climate, soils and altitude were interpolated to a 1 km grid. The models of nitrate loss were adapted to work with this data set while retaining as far as possible the salient features of the more detailed models and data from which they were derived. The resulting Policy Decision Support System was found to give estimates of mean annual flow and nitrate load for agricultural catchments which matched measured data closely. The system has contributed to work on a number of policy issues both within the UK and in the UK's contribution to international policy development on pollution derived from agriculture.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>E.I. Lord</name><affiliations><json:string>Environment Modelling and GIS group, ADAS Research, Woodthorne, Wergs Road, Wolverhampton, WV6 8TQ, UK. Fax: (+44) 1902 693166. E‐mail: Eunice.Lord@adas.co.uk</json:string><json:string>Corresponding author.</json:string></affiliations></json:item><json:item><name>S.G. Anthony</name><affiliations><json:string>Environment Modelling and GIS group, ADAS Research, Woodthorne, Wergs Road, Wolverhampton, WV6 8TQ, UK. Fax: (+44) 1902 693166. 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The resulting Policy Decision Support System was found to give estimates of mean annual flow and nitrate load for agricultural catchments which matched measured data closely. 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Fax: (+44) 1902 693166. E‐mail: <email>Eunice.Lord@adas.co.uk</email></unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">Losses from soil</keyword><keyword xml:id="k2">nitrates</keyword><keyword xml:id="k3">databases</keyword><keyword xml:id="k4">models</keyword><keyword xml:id="k5">geographical information systems</keyword><keyword xml:id="k6">UK</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p><b>Abstract. </b> A national agri‐environmental database and nitrate modelling system has been developed to support the UK government's nitrate policy development. The framework, ‘MAGPIE’, consists of a database and models linked within a Geographical Information System and provides a user interface which allows detailed spatial and statistical investigation of the current state (data and model output) and the impact of changes in conditions or agricultural practice. Data on crops and livestock numbers taken from the annual agricultural census were modified in relation to land cover data derived from remote sensing, and other sources. These data and data on climate, soils and altitude were interpolated to a 1 km grid. The models of nitrate loss were adapted to work with this data set while retaining as far as possible the salient features of the more detailed models and data from which they were derived. The resulting Policy Decision Support System was found to give estimates of mean annual flow and nitrate load for agricultural catchments which matched measured data closely. 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E‐mail: Eunice.Lord@adas.co.uk</affiliation><affiliation>Corresponding author.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.G.</namePart><namePart type="family">Anthony</namePart><affiliation>Environment Modelling and GIS group, ADAS Research, Woodthorne, Wergs Road, Wolverhampton, WV6 8TQ, UK. Fax: (+44) 1902 693166. E‐mail: Eunice.Lord@adas.co.uk</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2000-06</dateIssued><copyrightDate encoding="w3cdtf">2000</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="references">28</extent></physicalDescription><abstract>Abstract. A national agri‐environmental database and nitrate modelling system has been developed to support the UK government's nitrate policy development. The framework, ‘MAGPIE’, consists of a database and models linked within a Geographical Information System and provides a user interface which allows detailed spatial and statistical investigation of the current state (data and model output) and the impact of changes in conditions or agricultural practice. Data on crops and livestock numbers taken from the annual agricultural census were modified in relation to land cover data derived from remote sensing, and other sources. These data and data on climate, soils and altitude were interpolated to a 1 km grid. The models of nitrate loss were adapted to work with this data set while retaining as far as possible the salient features of the more detailed models and data from which they were derived. The resulting Policy Decision Support System was found to give estimates of mean annual flow and nitrate load for agricultural catchments which matched measured data closely. The system has contributed to work on a number of policy issues both within the UK and in the UK's contribution to international policy development on pollution derived from agriculture.</abstract><subject lang="en"><genre>keywords</genre><topic>Losses from soil</topic><topic>nitrates</topic><topic>databases</topic><topic>models</topic><topic>geographical information systems</topic><topic>UK</topic></subject><relatedItem type="host"><titleInfo><title>Soil Use and Management</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0266-0032</identifier><identifier type="eISSN">1475-2743</identifier><identifier type="DOI">10.1111/(ISSN)1475-2743</identifier><identifier type="PublisherID">SUM</identifier><part><date>2000</date><detail type="volume"><caption>vol.</caption><number>16</number></detail><detail type="supplement"><caption>Suppl. no.</caption><number>s1</number></detail><extent unit="pages"><start>167</start><end>174</end><total>8</total></extent></part></relatedItem><identifier type="istex">164540E9185263B4C6E471ABE2FD3828ABF728C1</identifier><identifier type="DOI">10.1111/j.1475-2743.2000.tb00222.x</identifier><identifier type="ArticleID">SUM167</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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