Evaluation of combined use of drought indices in the case of Konya Closed Basin Online publication date: Mon, 08-Feb-2021
by Huseyin Yildirim Dalkilic; Metin Bayçinar; Pijush Samui
International Journal of Global Warming (IJGW), Vol. 23, No. 2, 2021
Abstract: The climate covers a series of events that deeply affect human life. Today, one of the most effective of these is climate change. As drought is cited as the most important one of the consequences of climate change, it is important to examine it with various. In this study, the drought status of the study area are located statistically calculated and evaluated 4 drought indices. At the same time, factor analysis and validity-reliability analysis were conducted to test the computability of the indices used in the study as a single index and to determine the reliability of the operations. While using exploratory factor analysis, Kaiser-Meyer-Olkin (KMO) test and Bartlett test for factor analysis; Cronbach's alpha coefficient was used for reliability analysis. In our study, K-means cluster analysis method was performed to determine the cut-off values of indices. According to the cluster analysis, new clusters were created and ANOVA test was conducted to determine the difference between clusters.
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