Applying the sub-index model to evaluate the quality of water for irrigation purposes, a case study: wells water of left side from Mosul city, Iraq

Abstract

The present study aims to assess the quality of well water in some areas of the left side of Mosul city for irrigation; Water samples were collected from twelve wells scattered in the neighborhoods of Al-Muthana, Al-Zohoor, Al-Siddiq and Al-Hadba from November 2019 to January 2020 to measure the physical and chemical properties of wells and applying the subindicator model to evaluate the water quality. The results of the study indicated the suitability of well water quality for irrigation, where the WQI values ranged between (34.5-59.8(, which indicates that the water quality from good water type to excellent quality for irrigation, and this relative deterioration is due to the high values of pH, EC25, P. Salinity, Mg Hazard and HCO3 ions as well as the effect of the relative weight (Wi) that was reflected in the values of (IWQI) and confirmed by the effective weight values (EWi) for each parameter that ranged between (15.0-22.8), (16.1-21.3), (27.5-34.5), (11.9-15.9) and (7.23-9.47), consecutive.

Combining stable isotope and WQI methods to study the groundwater quality: a case study in Essaouira city, Morocco

“…Excess salt can limit soil permeability; hence the sodium percentage was computed to offer information about the suitability of groundwater for irrigation [ 29 ]. Large levels of sodium in groundwater (over 60%) can generate sodium accumulations, disrupting soil formation [ 12 , 33 , 35 , 36 ].…”

“…Irrigation water quality index is a technique for determining the suitability of plant life and soil constituents [ 12 , 36 ]. It has also been shown that the composite impacts the mineral constituents' effects in groundwater monitoring.…”

Application of the sub-index model for valuation water quality for irrigation uses: A case study of groundwater in Al-Rashidiya area, North of Mosul city of Iraq

“…The electrical conductivity expresses the quantity and quality of ions dissolved in water (APHA, 2017), and the results shown in Table (3) indicate that the values fluctuated between (1040 -3712) µS. cm-1, and these differences are By the character of the geological formations through which the water passes, because the groundwater passing through the layers rich in evaporation salts is characterized by high salts values in them (Al-Hamdany, et al, 2020b). These values are less than the values obtained by Al-Saffawi (2019) in its study of water wells of the Al-Nimrud region at southeastern of Mosul city of Mosul city, which did reach to (5110) µS.…”

Assessment of Groundwater Quality and the Main Controls on Its Hydrochemistry in a Changing Climate in Morocco (Essaouira Basin)

“…Furthermore, using the IDW tool of Arcgis software version 10.2 (ESRI 1999), the spatial distribution of the estimated WQI values in the Essaouira basin was obtained. The model of the Irrigation Water Quality Index (IWQI) was created as a practical hydrogeological tool for assessing the overall quality of irrigation groundwater [61,62], as amended by Verma [63]. As shown in Table 3, eleven factors were used in the research region to assess water quality for irrigation purposes.…”

“…As shown in Table 3, eleven factors were used in the research region to assess water quality for irrigation purposes. Each attribute is given a weight based on its relative importance [61,62,64]. Because of its significance and influence on plant growth and soil quality, electrical conductivity, for example, is given a weighting of five.…”