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AN INTERACTWE MODELING ENVIRONMENT FOR NON‐POINT SOURCE POLLUTION CONTROL

Identifieur interne : 001240 ( Istex/Corpus ); précédent : 001239; suivant : 001241

AN INTERACTWE MODELING ENVIRONMENT FOR NON‐POINT SOURCE POLLUTION CONTROL

Auteurs : Hsiu-Hua Liao ; U. S. Tim

Source :

RBID : ISTEX:ED84874B9324D2A10062B30D52B312ED0CE20FEC

English descriptors

Abstract

ABSTRACT: Non‐point source pollution cuntinues to be an important environmental and water quality management problem. For the moat part, analysis of non‐point source pollution in watersheds has depended on the use of distributed models to identify potential problem areas and to assess the effectiveness of alternative management practices. To effectively use these models for watershed water quality management, users depend on integrated geographic information systems (GIS)‐based interfaces for input/output data management. However, existing interfaces are ad‐hoc and the utility of GIS is limited to organization of input data and display of output data. A highly interactive water quality modeling interface that utilizes the functional components and analytical capability of GIS is highly desirable. This paper describes the tight coupling of the Agricultural Non‐point Source (AGNPS) water quality model and ARC/INFO GIS software to provide an interactive hybrid modeling environment for evaluation of non‐point source pollution in a watershed. The modeling environment is designed to generate AGNPS input parameters from user‐specified GIS coverages, create AGNPS input data files, control AGNPS model simulations, and extract and organize AGNPS model output data for display. An example application involving the estimation of pesticide loading in a southern Iowa agricultural watershed demonstrates the capability of the modeling environment. Compared with traditional methods of watershed water quality modeling using the AGNPS model or other ad‐hoc interfaces between a distributed model and GIS, the interactive modeling environment system is efficient and significantly reduces the task of watershed analysis using tightly coupled GIS databases and distributed models.

Url:
DOI: 10.1111/j.1752-1688.1997.tb03534.x

Links to Exploration step

ISTEX:ED84874B9324D2A10062B30D52B312ED0CE20FEC

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<abstract>ABSTRACT: Non‐point source pollution cuntinues to be an important environmental and water quality management problem. For the moat part, analysis of non‐point source pollution in watersheds has depended on the use of distributed models to identify potential problem areas and to assess the effectiveness of alternative management practices. To effectively use these models for watershed water quality management, users depend on integrated geographic information systems (GIS)‐based interfaces for input/output data management. However, existing interfaces are ad‐hoc and the utility of GIS is limited to organization of input data and display of output data. A highly interactive water quality modeling interface that utilizes the functional components and analytical capability of GIS is highly desirable. This paper describes the tight coupling of the Agricultural Non‐point Source (AGNPS) water quality model and ARC/INFO GIS software to provide an interactive hybrid modeling environment for evaluation of non‐point source pollution in a watershed. The modeling environment is designed to generate AGNPS input parameters from user‐specified GIS coverages, create AGNPS input data files, control AGNPS model simulations, and extract and organize AGNPS model output data for display. An example application involving the estimation of pesticide loading in a southern Iowa agricultural watershed demonstrates the capability of the modeling environment. Compared with traditional methods of watershed water quality modeling using the AGNPS model or other ad‐hoc interfaces between a distributed model and GIS, the interactive modeling environment system is efficient and significantly reduces the task of watershed analysis using tightly coupled GIS databases and distributed models.</abstract>
<note type="content">*Paper No. 96076 of the Journal of the American Water Resources Association (formerly Water Resources Bulletin). Discussions are open until December 1, 1997. (Journal Paper No. 16870 of the Iowa Agriculture and Home Economic Experiment Station, Ames, Iowa, Project No. 3093.)</note>
<subject lang="en">
<genre>keywords</genre>
<topic>pollution modeling</topic>
<topic>water quality</topic>
<topic>non‐point source pollution</topic>
<topic>GIS</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>JAWRA Journal of the American Water Resources Association</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">1093-474X</identifier>
<identifier type="eISSN">1752-1688</identifier>
<identifier type="DOI">10.1111/(ISSN)1752-1688</identifier>
<identifier type="PublisherID">JAWR</identifier>
<part>
<date>1997</date>
<detail type="volume">
<caption>vol.</caption>
<number>33</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>3</number>
</detail>
<extent unit="pages">
<start>591</start>
<end>603</end>
<total>13</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">ED84874B9324D2A10062B30D52B312ED0CE20FEC</identifier>
<identifier type="DOI">10.1111/j.1752-1688.1997.tb03534.x</identifier>
<identifier type="ArticleID">JAWR591</identifier>
<recordInfo>
<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
</recordInfo>
</mods>
</metadata>
<serie></serie>
</istex>
</record>

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