Effective monitoring strategies for demonstrating water quality changes from nonpoint source controls on a watershed scale
Demonstrating water quality improvements from nonpoint source (NPS) controls by monitoring both land treatment and water quality in at least a subset of watershed projects is necessary to provide feedback to project coordinators Feedback to regional and national policy makers is also essential to ac...
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Veröffentlicht in: | Water science and technology 1993-01, Vol.28 (3/5), p.143-148 |
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creator | Spooner, J Line, D.E |
description | Demonstrating water quality improvements from nonpoint source (NPS) controls by monitoring both land treatment and water quality in at least a subset of watershed projects is necessary to provide feedback to project coordinators Feedback to regional and national policy makers is also essential to achieve political and economic support for NPS control programs. To meet this objective, two challenges must be met in designing the monitoring network and analyzing the data: (1) Detecting significant (or real) trends in both water quality and land treatment implementation and (2) Associating water quality trends with land treatment trends.
Land treatment and water quality monitoring requirements for meeting these challenges are discussed based on lessons learned from the Rural Clean Water Program, a 10-15 year experimental program designed to control agricultural NPS pollution in rural watersheds. At minimum, monitoring of land treatment and water quality should be multi-year before and after best management practice (BMP) implementation. The paired watershed design is the best for documenting BMP effectiveness in the shortest number of years (a minimum of 3-5 years). The water quality and land treatment data bases should be temporally related. All significant sources of variability in the land treatment and water quality data should be taken into account to increase the chances of isolating true water quality changes due to BMPs. |
doi_str_mv | 10.2166/wst.1993.0413 |
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Land treatment and water quality monitoring requirements for meeting these challenges are discussed based on lessons learned from the Rural Clean Water Program, a 10-15 year experimental program designed to control agricultural NPS pollution in rural watersheds. At minimum, monitoring of land treatment and water quality should be multi-year before and after best management practice (BMP) implementation. The paired watershed design is the best for documenting BMP effectiveness in the shortest number of years (a minimum of 3-5 years). The water quality and land treatment data bases should be temporally related. All significant sources of variability in the land treatment and water quality data should be taken into account to increase the chances of isolating true water quality changes due to BMPs.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.1993.0413</identifier><language>eng</language><publisher>London: IWA Publishing</publisher><subject>Agricultural land ; Agricultural management ; agriculture ; Best management practices ; Control programs ; Data ; Data processing ; Environmental monitoring ; Feedback ; Monitoring ; nonpoint pollution source ; Nonpoint source pollution ; Policies ; pollution ; Pollution control ; Pollution monitoring ; Pollution sources ; production economics ; sources ; Stormwater ; treatment ; Trends ; Water monitoring ; Water pollution ; Water quality ; Water quality control ; Water quality management ; Watersheds</subject><ispartof>Water science and technology, 1993-01, Vol.28 (3/5), p.143-148</ispartof><rights>Copyright IWA Publishing Aug 1993</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c318t-aac96f24c84dadedc2d6c5b53aa3efd4635834d32af29d95f0fab21413edde2b3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Spooner, J</creatorcontrib><creatorcontrib>Line, D.E</creatorcontrib><title>Effective monitoring strategies for demonstrating water quality changes from nonpoint source controls on a watershed scale</title><title>Water science and technology</title><description>Demonstrating water quality improvements from nonpoint source (NPS) controls by monitoring both land treatment and water quality in at least a subset of watershed projects is necessary to provide feedback to project coordinators Feedback to regional and national policy makers is also essential to achieve political and economic support for NPS control programs. To meet this objective, two challenges must be met in designing the monitoring network and analyzing the data: (1) Detecting significant (or real) trends in both water quality and land treatment implementation and (2) Associating water quality trends with land treatment trends.
Land treatment and water quality monitoring requirements for meeting these challenges are discussed based on lessons learned from the Rural Clean Water Program, a 10-15 year experimental program designed to control agricultural NPS pollution in rural watersheds. At minimum, monitoring of land treatment and water quality should be multi-year before and after best management practice (BMP) implementation. The paired watershed design is the best for documenting BMP effectiveness in the shortest number of years (a minimum of 3-5 years). The water quality and land treatment data bases should be temporally related. 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To meet this objective, two challenges must be met in designing the monitoring network and analyzing the data: (1) Detecting significant (or real) trends in both water quality and land treatment implementation and (2) Associating water quality trends with land treatment trends.
Land treatment and water quality monitoring requirements for meeting these challenges are discussed based on lessons learned from the Rural Clean Water Program, a 10-15 year experimental program designed to control agricultural NPS pollution in rural watersheds. At minimum, monitoring of land treatment and water quality should be multi-year before and after best management practice (BMP) implementation. The paired watershed design is the best for documenting BMP effectiveness in the shortest number of years (a minimum of 3-5 years). The water quality and land treatment data bases should be temporally related. All significant sources of variability in the land treatment and water quality data should be taken into account to increase the chances of isolating true water quality changes due to BMPs.</abstract><cop>London</cop><pub>IWA Publishing</pub><doi>10.2166/wst.1993.0413</doi><tpages>6</tpages></addata></record> |
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source | EZB-FREE-00999 freely available EZB journals |
subjects | Agricultural land Agricultural management agriculture Best management practices Control programs Data Data processing Environmental monitoring Feedback Monitoring nonpoint pollution source Nonpoint source pollution Policies pollution Pollution control Pollution monitoring Pollution sources production economics sources Stormwater treatment Trends Water monitoring Water pollution Water quality Water quality control Water quality management Watersheds |
title | Effective monitoring strategies for demonstrating water quality changes from nonpoint source controls on a watershed scale |
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