Abstract

AbstractThe Tigris and Euphrates Rivers are the main water resources for Iraq. Recently, Iraq has experienced water shortage problems due to the climate change and the construction of dams within the upper parts of the catchment. In this work, the total dissolved salts (TDSs) along the Tigris River were measured in eleven stations during wet and dry seasons. The interpolation method (IDW) in ArcGIS was used to generate the interpolation for TDS in the wet and dry seasons in the Tigris River. The regression prediction was used between the three measured and the observed values in the other three stations. The results showed that the quality of TDS becomes more unsuitable for human use beyond Baghdad toward the south.KeywordsTotal dissolved saltsWater qualityIDWInterpolation methodTigris RiverIraq

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