List of Articles return period Open Access Article Abstract Page Full-Text 1 - Frequency analysis of floods with joint functions, case study: Zayandehrood Dam Zahra Valaei Esfahani Fatemeh Valaei Esfahani Mehran Iranpour https://doi.org/10.30486/TSWS.2023.783140 Open Access Article Abstract Page Full-Text 2 - Estimation of the probability of occurrence of heat waves with different periods of continuation in Ardabil province batool zeynali fatemeh rouhi 10.30495/sarzamin.2023.71948.2086 Open Access Article Abstract Page Full-Text 3 - Bivariate Frequency Analysis of Rainfall Characteristics Using Archimedean Copula Functions (Case Study: Khanmirza Watershed in Chaharmahal and Bakhtiari Province) Samira Moradzadeh Rahmatabadi Mohsen Irandost Rasoul Mirabbasi 10.30495/wsrcj.2022.19226 Open Access Article Abstract Page Full-Text 4 - Application of the Nested Copula Functions for Analysis of Four variate of Meteorological Droughts (Case Study: West of Iran) zabihollah khani temeliyeh Hossien Rezaie Rasoul Mirabbasi Open Access Article Abstract Page Full-Text 5 - برآورد دبی سیلاب طراحی برای مطالعات ساماندهی رودخانه سرخهحصار (محدوده شهرک ولی عصر شهر ری) مجید عبادی فر سید علی حسینی ابری امین عبادی فر مهدی شمس آبادی زاده Open Access Article Abstract Page Full-Text 6 - Prediction Probable Flood and Maximum precipitation Using Poldukhtar Basin Suffered partial Series مهدی Mehdinasab تقی Tavoosi رضا Mirzaei Open Access Article Abstract Page Full-Text 7 - Estimation of Krieger Regional Coefficient in Mountainous Areas rohoullah mohtashamzadeh sajad mashali Bfhrooz Dahanzadeh Open Access Article Abstract Page Full-Text 8 - Estimating of seismicity parameters in Golab 2 conveyance water tunnel with preliminary Gutenberg - Richter Method Mohammad Azarafza Shahrzad Nikoobakht Ebrahim Asghari-Kaljahi Mirali-Akbar Nogol Sadat Open Access Article Abstract Page Full-Text 9 - Evaluation of the Wheat Agricultural Drought Return Period in the Province of Fars Using RDI Index H. زندی لک H. فولادمند F. بوستانی