Abstract
The study was conducted for the purpose of studying the Hydrochemical of Shatt al-Arab water, and ten stations were chosen along Shatt al-Arab stream from north to south. Samples were collected within six months, the first three months are January, February, and March, the winter season, and the remaining three months are June, July, and August of the Summer season for 2018. The results showed seasonal and locational variations with different sampling stations, and the study showed the existence of two main areas in the river, one of which is characterized by freshwater, which is located in the northern part of the river as a result of being affected by the freshwater of the Tigris River, and the other with salty water located south of the river affected by the salty water from the Arabian Gulf and coinciding with salinity Coming from Hor Al- Hammar through Al-Musahaband Al-Sallal rivers across Al-Garma River that flows into Shatt Al-Arab, while there are two secondary transitional areas, one of which is the freshwater coming from the top of the river's path that mixed with the salty water from the bottom of the river, and the second is the salty water coming from the bottom of the river that mixed with the fresh water coming From the top of the river. Two guides were adopted to assess the validity of river water for agricultural purposes, the USDA Salinity Laboratory Classification (Richards, 1954), the water class for all stations were (C4S1), and the United Nations Food and Agriculture Organization (FAO,1985) where the water was classified within the water category with acute problems of salinity and mild to moderate problems in relation to the sodium adsorption rate (SAR).
Published Version
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