Evaluation of widespread flooding of the Karkheh Basin in Iran using SWAT model and GLDAS database

Karkheh basin is a flood-prone region in Iran that was severely affected by devastating river floods 2019. This study addressed some of the factors on this event and were emphasized government inquiry committee. These include strategic questions such as effect prior precipitation how dams could mitigate peak volume. well deficits rainfall data led to application Soil Water Assessment Tool model global land assimilation system address research questions. The results showed initial managements occurrence these definitely decade continuous drought concerns about its continuation events occurred during March April 2019, however, October 2018 along with resulted snowpack soil saturation played significant role intensifying floods. Although there limitations for full operation Seymareh Dam, decision regarding reduce inflow Dam from 8529 5447 m3/s. Finally, it crucial provide more accurate prediction systems, undertaking rapid flexible responses do not be misled droughts.