Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/8295
Title: Defining Homogeneous Regions for Streamflow Processes in Turkey Using a K-Means Clustering Method
Authors: Dikbaş, Fatih
Firat, M.
Koç, Abdullah Cem
Güngör, Mahmud
Keywords: Annual maximum flow
Cluster analysis
Homogeneous region
K-Means
Publisher: Springer Verlag
Abstract: The major problem in ungauged basins for planning and management of water resources projects is to estimate the flood magnitudes and frequencies. The identification of hydrologically homogeneous regions is one of the most important steps of regional frequency analysis. In this study, K-Means clustering method is applied to classify the maximum annual flows and identify the hydrologically homogeneous groups. For this aim, the annual maximum river flows, coefficient of variation and skewness of annual maximum river flows, latitude and longitude at 117 stations operated by the General Directorate of Electrical Power Resources Survey and Development Administration throughout Turkey are used. The optimal number of groups was determined as seven. Regional homogeneity test based on L-moments method is applied to check homogeneity of these seven regions identified by clustering analysis. The results show that regions defined by K-Means method can be used for regional flood frequency analysis. According to the results, K-Means method is recommended to identify the hydrologically homogeneous regions for regional frequency analysis. © 2013 King Fahd University of Petroleum and Minerals.
URI: https://hdl.handle.net/11499/8295
https://doi.org/10.1007/s13369-013-0542-0
ISSN: 2193-567X
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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