Describing Water Quality with Aggregate Index
Alternative efforts to describe water quality by an aggregate index consisting of subindices of the constituent quality variables are examined. Ambiguity problems exist where all the subindices are acceptable and yet the overall index is not. Eclipsing problems exist where the overall index is insen...
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| Veröffentlicht in: | Journal of environmental engineering (New York, N.Y.) N.Y.), 2000-05, Vol.126 (5), p.451-455 |
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| container_end_page | 455 |
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| container_issue | 5 |
| container_start_page | 451 |
| container_title | Journal of environmental engineering (New York, N.Y.) |
| container_volume | 126 |
| creator | Swamee, Prabhata K Tyagi, Aditya |
| description | Alternative efforts to describe water quality by an aggregate index consisting of subindices of the constituent quality variables are examined. Ambiguity problems exist where all the subindices are acceptable and yet the overall index is not. Eclipsing problems exist where the overall index is insensitive to a single variable; such insensitivity is unacceptable. A mathematical formulation is developed that avoids these problems of ambiguity and eclipsing. Furthermore, the recommended index form is open to increasing the number of variables included within the index. |
| doi_str_mv | 10.1061/(ASCE)0733-9372(2000)126:5(451) |
| format | Article |
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Ambiguity problems exist where all the subindices are acceptable and yet the overall index is not. Eclipsing problems exist where the overall index is insensitive to a single variable; such insensitivity is unacceptable. A mathematical formulation is developed that avoids these problems of ambiguity and eclipsing. 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Furthermore, the recommended index form is open to increasing the number of variables included within the index.</description><subject>Applied sciences</subject><subject>DRINKING WATER</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>Exact sciences and technology</subject><subject>MATHEMATICAL MODELS</subject><subject>Pollution</subject><subject>TECHNICAL PAPERS</subject><subject>WATER QUALITY</subject><subject>WATER RESOURCES</subject><subject>Water treatment and pollution</subject><issn>0733-9372</issn><issn>1943-7870</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqNkV1rFDEYhUOx0LX1Pwwounsx9c33xIvCsl1tpVBEi96FJJNsU6YzbTJL7b8341a9UwMhIXk4OTkHoTcYjjEI_Ha-_LxaL0BSWisqyZwAwAIT8Y7PGceLPTTDitFaNhKeodlv7gA9z_kGADOh5AzVpz67FG3sN9VXM_pUfdqaLo6P1UMcr6vlZpP8ppxX533rvx-h_WC67F88rYfo6v36y-qsvrj8cL5aXtSGczXWlgbO2kAV9sKCAhKAg7HcOq4aYluLrbTGktYHLJo2BIG5IrjlUgXmnaWH6OVOd8hj1NnF0btrN_S9d6MuH5VciqZQr3fUXRrutz6P-jZm57vO9H7YZk0kB9JI9k8QN0AYVf8BMk6lYKqAJzvQpSHn5IO-S_HWpEeNQU_1aD3Vo6fY9RT75LrcEKG5LvUUgVdPL5nsTBeS6V3Mf1QoJZSIgn3bYYXy-mbYpr7krj9ertenV0WxCMI0eJlF9uce_7Lwdwc_ABXmplw</recordid><startdate>20000501</startdate><enddate>20000501</enddate><creator>Swamee, Prabhata K</creator><creator>Tyagi, Aditya</creator><general>American Society of Civil Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7QH</scope><scope>7TV</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>OTOTI</scope></search><sort><creationdate>20000501</creationdate><title>Describing Water Quality with Aggregate Index</title><author>Swamee, Prabhata K ; Tyagi, Aditya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a559t-b3f54df391e6b0902f050ab5bc5982bdb1b7bab2def168dff615921d579f4ecb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>DRINKING WATER</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>Exact sciences and technology</topic><topic>MATHEMATICAL MODELS</topic><topic>Pollution</topic><topic>TECHNICAL PAPERS</topic><topic>WATER QUALITY</topic><topic>WATER RESOURCES</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Swamee, Prabhata K</creatorcontrib><creatorcontrib>Tyagi, Aditya</creatorcontrib><creatorcontrib>Univ. of Roorkee (IN)</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Aqualine</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Journal of environmental engineering (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Swamee, Prabhata K</au><au>Tyagi, Aditya</au><aucorp>Univ. of Roorkee (IN)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Describing Water Quality with Aggregate Index</atitle><jtitle>Journal of environmental engineering (New York, N.Y.)</jtitle><date>2000-05-01</date><risdate>2000</risdate><volume>126</volume><issue>5</issue><spage>451</spage><epage>455</epage><pages>451-455</pages><issn>0733-9372</issn><eissn>1943-7870</eissn><coden>JOEEDU</coden><abstract>Alternative efforts to describe water quality by an aggregate index consisting of subindices of the constituent quality variables are examined. 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| fulltext | fulltext |
| identifier | ISSN: 0733-9372 |
| ispartof | Journal of environmental engineering (New York, N.Y.), 2000-05, Vol.126 (5), p.451-455 |
| issn | 0733-9372 1943-7870 |
| language | eng |
| recordid | cdi_osti_scitechconnect_20075768 |
| source | American Society of Civil Engineers:NESLI2:Journals:2014; Business Source Complete |
| subjects | Applied sciences DRINKING WATER ENVIRONMENTAL SCIENCES Exact sciences and technology MATHEMATICAL MODELS Pollution TECHNICAL PAPERS WATER QUALITY WATER RESOURCES Water treatment and pollution |
| title | Describing Water Quality with Aggregate Index |
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