Author(s): Hany Abd-Elhamid; Martina Zelenakova; Maria Manuela Portela; Luis Angel Espinosa; Issa Oskoui; Jacek Baranczuk; Katarzyna Baranczuk
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Abstract: Drought is a natural hazard that is expected to become more frequent under changing weather conditions, requiring new water resources management policies. Drought analysis can be done using different indices such as the Reconnaissance Drought Index (RDI). This study aims to assess the historical droughts in Lisbon region (Portugal) by applying the RDI to long time series (157 years, from Oct/1864 to Sep/2021) of monthly rainfall and temperature data from a meteorological station located in the region. The results show that extreme droughts are recurrent events and that drought with the highest severity took place in 2005.
Year: 2024