IMPORTANT CLIMATIC AND MORPHOMETRIC FACTORS AFFECTING ON PEAK DISCHARGE AND INTRODUCING A REGRESSION MODELS (CASE STUDY: EAST AND NORTHEAST OF IRAN)

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ROUHANI H.; MOHSENI SARAVI M.; MALEKIAN ARMEN

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2004 | Volume:11 | Issue:3 Page(s): 99-109

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Information Journal Paper

Title

IMPORTANT CLIMATIC AND MORPHOMETRIC FACTORS AFFECTING ON PEAK DISCHARGE AND INTRODUCING A REGRESSION MODELS (CASE STUDY: EAST AND NORTHEAST OF IRAN)

Author(s)

ROUHANI H. | MOHSENI SARAVI M. | MALEKIAN ARMEN | Issue Writer Certificate

Keywords

EAST AND NORTHEAST OF IRANQ2

PEAK FLOWQ4

MULTIVARIATE REGRESSIONQ2

COMPONENT ANALYSISQ3

CLUSTER ANALYSISQ3

HOMOGENOUS REGIONSQ3

Abstract

The identification of hydro logically HOMOGENOUS REGIONS is a primary step in many of regional flood frequency analysis techniques. This study was carried out to determine the most important climatic and physical factors, which influence the watersheds in the EAST AND NORTHEAST OF IRAN. The data of flood peak discharges and the characteristics of 16 basins in the study area were used. At first, test of the selected regional distribution function (Log Pearson type III) was fitted and instantaneous peak discharges in different return periods were calculated. Independent and significant variables were selected using factor analysis method such as: basin area, mean elevation, drainage density and annual average rainfall. These variables explained 87.82 per cent of total variances. Hydrologic HOMOGENOUS REGIONS were also distinct using CLUSTER ANALYSIS method. Comparison of the calculated RMSEs in two basins showed low errors among grouped regions.

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APA: Copy

ROUHANI, H., MOHSENI SARAVI, M., & MALEKIAN, ARMEN. (2004). IMPORTANT CLIMATIC AND MORPHOMETRIC FACTORS AFFECTING ON PEAK DISCHARGE AND INTRODUCING A REGRESSION MODELS (CASE STUDY: EAST AND NORTHEAST OF IRAN). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 11(3), 99-109. SID. https://sid.ir/paper/8936/en

Vancouver: Copy

ROUHANI H., MOHSENI SARAVI M., MALEKIAN ARMEN. IMPORTANT CLIMATIC AND MORPHOMETRIC FACTORS AFFECTING ON PEAK DISCHARGE AND INTRODUCING A REGRESSION MODELS (CASE STUDY: EAST AND NORTHEAST OF IRAN). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2004;11(3):99-109. Available from: https://sid.ir/paper/8936/en

IEEE: Copy

H. ROUHANI, M. MOHSENI SARAVI, and ARMEN MALEKIAN, “IMPORTANT CLIMATIC AND MORPHOMETRIC FACTORS AFFECTING ON PEAK DISCHARGE AND INTRODUCING A REGRESSION MODELS (CASE STUDY: EAST AND NORTHEAST OF IRAN),” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 11, no. 3, pp. 99–109, 2004, [Online]. Available: https://sid.ir/paper/8936/en

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