List of Articles Drought duration Open Access Article Abstract Page Full-Text 1 - Determining Hydrological Drought Characteristics Using Severity-Duration-Frequency Curves and Flow Thresholds Levels in Ardabil Province Rivers Hamed Amini Abazar EsmaliOuri Raoof Mostafazadeh Mearaj Sharari Mohsen Zabihi 10.30495/wsrcj.2023.70763.11336