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Analysis of Surface Water Quality in Tehran
Author(s) -
Gholamreza Asadollahfardi
Publication year - 2002
Publication title -
water quality research journal
Language(s) - English
Resource type - Journals
eISSN - 2408-9443
pISSN - 1201-3080
DOI - 10.2166/wqrj.2002.032
Subject(s) - exponential smoothing , univariate , credibility , water quality , surface water , environmental science , quality (philosophy) , series (stratigraphy) , statistics , smoothing , exponential function , econometrics , mathematics , multivariate statistics , geology , environmental engineering , ecology , philosophy , epistemology , political science , law , biology , paleontology , mathematical analysis
Box-Jenkins and exponential smoothing time series analysis of the monthly water quality in surface water in Tehran was conducted as a case study. Various univariate models were developed for each determinand. Most of the models were seasonal, indicating that the water quality determinands vary throughout the year. The models follow the same pattern of variations present in the data. This study shows the credibility of the models, therefore the models may be used for future design purposes.

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