چکیده مقاله
Having Drought quantification is a decision making approach for water resources planners and managers Calculating a drought index in the measured grid points of a given region is as the pre requisite for regionalization process of drought by these methods The aim of this study is the regional analysis of the streamflow drought using the multivariate technique of principal components analysis PCA To this end, the streamflow drought Index SDI was calculated in the seven hydrometric stations of Sefid Rud basin, Iran for the period 1984 2013 in different time scale using PCA technique summarizing the SDI series of all stations into a new series so called the Multivariate Streamflow Drought Index MSDI Results showed a relatively high correlations between the SDI series of the stations for a given time scales MSDI’s series at multiple time scales follow all stations SDI fluctuations and appropriately monitor droughts occurred in the region especially in long dry periods
کلیدواژهها
نویسندگان
Rezgar Arabzadeh
Department of Irrigation and Reclamation Engineering, University of Tehran, Karaj, Iran
Mohammad Mehdi Kholoosi
Department of Irrigation and Reclamation Engineering, University of Tehran, Karaj, Iran
جواد بذرافشان
Department of Irrigation and Reclamation Engineering, University of Tehran, Karaj, Iran
شیوه ارجاع
Arabzadeh, Rezgar and Kholoosi, Mohammad Mehdi and Bazrafshan, Javad,1394,Regional Hydrological Drought Monitoring Using Empirical Orthogonal Functions (EOF-SDI),10th International Congress on Civil Engineering,Tabriz
ارائهشده در
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