%0 Journal Article %T Spatial hydrological drought characteristics in Karkheh River basin, southwest Iran using copulas %A Esmaeel Dodangeh %A Jenq-Tzong Shiau %A Kaka Shahedi %A Maryam MirAkbari %J - %D 2017 %U https://www.ias.ac.in/describe/article/jess/126/06/0080