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Statistical Analysis of Hydrological Regime Changes in Rivers of Western Part of Orumieh Lake Basin

    Authors

    • Mehdi Teimouri
    • Ali Fathzadeh
,
10.22059/jrwm.2012.30020
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Abstract

The discharge data used for hydrological modeling should be the long-term suitable random data without trend and jump which is followed a specific statistical distribution. In this study, the above mentioned conditions were evaluated for 31 years period (1974-2004) of annual mean discharge data of 10 gauging stations of West Azarbaijan province. For this purpose, the non-parametric Spearman correlation coefficient as well as Mann-Kendall method, non-parametric Run-test, non-parametric without distribution test of CUSUM and Kolmogorov–Smirnov test were used to trend, jump, stochastic and distribution analysis of data, respectively. The results showed that data of all stations were stochastic with no jump and trend (except Pol-e-Bahramloo gauging station). Also, data of most of the stations followed the gamma probability distribution function

Keywords

  • Best fitting
  • discharge
  • Dispersion index
  • Jump
  • trend
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Journal of Range and Watershed Managment
Volume 65, Issue 3 - Serial Number 1339231
December 2012
Pages 315-328
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  • PDF 286.83 K
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How to cite
  • RIS
  • EndNote
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Statistics
  • Article View: 1,986
  • PDF Download: 959

APA

Teimouri, M., & Fathzadeh, A. (2012). Statistical Analysis of Hydrological Regime Changes in Rivers of Western Part of Orumieh Lake Basin. Journal of Range and Watershed Managment, 65(3), 315-328. doi: 10.22059/jrwm.2012.30020

MLA

Mehdi Teimouri; Ali Fathzadeh. "Statistical Analysis of Hydrological Regime Changes in Rivers of Western Part of Orumieh Lake Basin". Journal of Range and Watershed Managment, 65, 3, 2012, 315-328. doi: 10.22059/jrwm.2012.30020

HARVARD

Teimouri, M., Fathzadeh, A. (2012). 'Statistical Analysis of Hydrological Regime Changes in Rivers of Western Part of Orumieh Lake Basin', Journal of Range and Watershed Managment, 65(3), pp. 315-328. doi: 10.22059/jrwm.2012.30020

VANCOUVER

Teimouri, M., Fathzadeh, A. Statistical Analysis of Hydrological Regime Changes in Rivers of Western Part of Orumieh Lake Basin. Journal of Range and Watershed Managment, 2012; 65(3): 315-328. doi: 10.22059/jrwm.2012.30020

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