OREGON WATER QUALITY INDEX A TOOL FOR EVALUATING WATER QUALITY MANAGEMENT EFFECTIVENESS
作者： Curtis G. Cude
DOI: 10.1111/J.1752-1688.2001.TB05480.X
关键词:
摘要: ABSTRACT: The Oregon Water Quality Index (OWQI) is a single number that expresses water quality by integrating measurements of eight variables (temperature, dissolved oxygen, biochemical oxygen demand, pH, ammonia+nitrate nitrogen, total phosphorus, solids, and fecal coliform). Its purpose to provide simple concise method for expressing the ambient Oregon's streams general recreational use, including fishing swimming. OWQI, originally developed in 1970s, has been updated based upon improved understanding about behavior. This report describes historical basis OWQI defines design present OWQI. index allows users easily interpret data relate overall variation variations specific categories impairment. demonstrates value presenting spatial temporal information. improves comprehension issues, communicates status, illustrates need effectiveness protective practices.
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