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Comparison of Dalmatian Water Evaluation Indices

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Abstract:

Water quality in the Dalmatian waters of Southern Croatia was assessed using four different indices: an arithmetic index, arithmetic modified index, geometric modified index, and Solway-modified index. The waters were sampled 12 times during 1 year (from July 1998 to July 1999) at 50 sampling sites in Dalmatia. Nine water quality parameters were evaluated: temperature, mineralization, corrosion coefficient, dissolved oxygen, biochemical oxygen demand, total nitrogen, protein nitrogen, total phosphorus, and total coliform.

A comparison of the indices showed that the arithmetic modified index and Solway modified index are relatively similar for high-quality water (i.e., they enable better discrimination between high- and low-quality water). Both indices, however, tend to yield a lower index number for low-quality waters.

Keywords: ARITHMETIC INDEX; ARITHMETIC MODIFIED INDEX; DALMATIA; DALMATIAN WATERS; GEOMETRIC EVALUATION; GEOMETRIC MODIFIED INDEX; SOLWAY MODIFIED INDEX; WATER QUALITY INDEX

Document Type: Research Article

DOI: https://doi.org/10.2175/106143003X141196

Publication date: 2003-09-01

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  • Water Environment Research® (WER®) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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