Mahmoudi, Peyman, Fattahi, Ebrahim , Heydari, Mohsen, Rigi, Allahbakhsh, Ghaemi, Alireza, Rezaei, Jabbar. Analyzing Long-Term Changes Trend of Precipitation Concentration Index (PCI) as an Indicator of Climate Change in the Persian Gulf and Oman sea Basin. Journal of Water and Soil Resources Conservation. 2024;14(2):49-62.