Drought Analysis of Bitlis River Baykan Station with Streamflow Drought Index (SDI) Method

Abstract

In this study, temporal hydrological drought of Baykan Station E26A010 in the Tigris Basin is calculated using monthly average flow data between 1955 and 2016. In order to determine the hydrological drought, the Stremflow Drought Index (SDI) method is used. Drought indices are evaluated by taking into consideration the time scales of 1, 3, 6 and 12 months. As a result of the study, according to the monthly data, the highest dry period is realized in June with 65% and the lowest dry period is in March with 48%.