Abstract
Today, within the scope of planning, development and management of water resources affected adversely by climate change, the issue of minimization of the adverse effects of drought has become very important. In this study, drought risk analyses were performed using meteorological, hydrogeological and hydrological data of the Asi basin and as a result of the determination of different indices and indicators available in the literature. First, the missing data was completed by regional analyses. The DI (Deciles Index), SPI (Standardized Precipitation Index), SPEI (Standardized Precipitation Evapotranspiration Index) and SRI (Standardized Runoff Index) indices were described. Drought severity and magnitude were found according to these indices. Based on 1, 3, 6, 9, 12, 48-month recurrence intervals, analyses were made. Classification of droughts and their threshold values were determined. For some places, drought incidence rates were presented according to each index. The indices were compared, the correlation between them was examined and a common conclusion was reached. The drought severities, which has a precipitation area of 7800 m2, were evaluated for certain recurrence intervals. For this purpose, based on meteorological, hydrological and hydrogeological data for the years between 1970 and 2016, DI, SPI, SPEI, and SRI indices were analyzed and compared.
Highlights
Today, within the scope of planning, development and management of water resources affected adversely by climate change, the issue of minimization of the adverse effects of drought has become very important
International climate change studies (IPCC) state that the sea level has risen globally 10 to 20 cm in the past hundred years, and this is predominantly due to global warming, and this century will increase 40–60 cm
The results were evaluated under 3 headings: drought severity analyses, drought risk analyses and determination of the arid periods for 5, 10 and 50 years
Summary
Within the scope of planning, development and management of water resources affected adversely by climate change, the issue of minimization of the adverse effects of drought has become very important. The drought severities, which has a precipitation area of 7800 m2, were evaluated for certain recurrence intervals For this purpose, based on meteorological, hydrological and hydrogeological data for the years between 1970 and 2016, DI, SPI, SPEI, and SRI indices were analyzed and compared. Within the scope of planning, development, and management of water resources adversely affected by climate change, the issue of mitigating the expected effects of drought has become very important. From floods and droughts to ocean acidification and rising sea levels, the impacts of climate change on water are expected to intensify in the years ahead. In the eastern Mediterranean region adjacent to the Asi basin, there are increases in natural disasters due to extreme increases (such as excessive precipitation, extreme temperatures, storms and hoses, drought)
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