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Assessment of meteorological drought trends in the Euphrates Basin, Turkey

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Abstract

In this study, it was aimed to determine the meteorological drought trends in the Euphrates Basin by using rainfall-based Standardised Precipitation Index (SPI), Statistical Z Score Index (ZSI), Rainfall Anomaly Index (RAI) and rainfall and temperature-based Standardised Precipitation Evapotranspiration Index (SPEI) and Reconnaissance Drought Index (RDI). Mann-Kendall (MK) and Modified Mann-Kendall (MMK) tests were applied during the monthly and annual periods to determine drought trends. The trend analysis results of meteorological drought indices are mapped in 90% (z > 1.65) and 95% (z > 1.96) confidence intervals. According to the analyses applied, it was determined that the trend analysis results of SPI, ZSI and RDI indicate almost the same results. In addition, SPEI was found to be more sensitive in detecting drought trends compared to other indices. Moreover, it has been concluded that the Euphrates Basin is at great risk of meteorological drought due to the dominance of decreasing drought trends and trends in the basin. Making a drought management plan and going into alarm in endangered areas is recommended to prevent existing risks.

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Acknowledgements

The authors thank the General Directorate of Meteorology for the observed monthly total precipitation data provided, the Editor and the anonymous reviewers for their contributions on the content and development of this paper.

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Correspondence to Okan Mert Katipoğlu.

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The authors declare no competing interests.

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Responsible Editor: Abdullah M. Al-Amri

Part of this work is presented at the 2nd International Eurasian Conference on science, Engineering and Technology

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Katipoğlu, O.M., Acar, R., Şenocak, S. et al. Assessment of meteorological drought trends in the Euphrates Basin, Turkey. Arab J Geosci 15, 555 (2022). https://doi.org/10.1007/s12517-021-08482-5

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  • DOI: https://doi.org/10.1007/s12517-021-08482-5

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