Print ISSN: 2077-5822

Online ISSN: 2618-1479

Main Subjects : Water Resources


Assessment of Water Quality of Kodiat Rosfa Dam and Suitability For Consumption and Irrigation (Algeria)

Chellali Rachid; AISSAT Miloud; Berrekbia Mohammed

Al-Qadisiyah Journal For Agriculture Sciences, 2021, Volume 11, Issue 1, Pages 45-53
DOI: 10.33794/qjas.2021.129419.1003

The approach adopted for the assessment of Kodiat Rosfa dam water quality, through the respective indexes WQI and IWQI, allowed to highlight the quality of its waters for the intended uses. Indeed, the physicochemical analyzes of the months of February, March, July and December, corresponding to the monthly precipitation and regularized volumes of 2013, 2014, 2015 selected,  revealed that 08 samples out of 12 have a WQI within 50 to 100, and 04 samples with WQI lower than 50. This classified the dam waters as good to excellent for consumption. Nevertheless, the results of IWQI index used to assess the quality of dam water Kodiat Rosfa for irrigation show that 7 samples out of 12 present an IWQI within 55 to 70 and 5 samples with IWQI lower than 55. These waters are characterized by moderate (MR) to high (HR) restriction.

Comparison Between Groundwater Quality at North East and South West of Erbil Governorate for Irrigation Using Some Global Systems and Principal Component Analysis

Dania Mohammed Danish Aladdin Sajadi; Akram Othman Esmail

Al-Qadisiyah Journal For Agriculture Sciences, 2020, Volume 10, Issue 2, Pages 308-324
DOI: 10.33794/qjas.2020.167475

This investigation was conducted during June ,2019 to November ,2019  for  classification of water of  (54) wells in Erbil province 26 of them in north and north east of Erbil and  the other half at south west of Erbil. The studied waters were classified for irrigation purpose depending on some global systems or classification and Principal component analysis was done for the calculated parameters used in classification.. Depending on USDA classification(1954)  the water  of the water of (20 and 6) locations or wells having C2S1 and C3S1 Class respectively .While for the south east Erbil wells the water classes were C1S1, C2S1 , C3S1 and C4S1 for (1,5,17, and 3) wells it means the water quality in  south west of Erbil west  is bad in comparing with the water for wells in north and north east of Erbil. Depending  Ayres and Westcot  (1985)  and Doneen classification the water wells in north and north east of Erbil had better water classes in comparing with  the groundwater in south west of Erbil.,. A scree plot for eigenvalues recorded in this investigation showed the pronounced change of slope after the third eigenvalue. Eigenvalue close or greater than one (unity) were  three factors for north and north east of Erbil and two factors for water of south west of Erbil due to its higher EC value.
This investigation was conducted during June ,2019 to November ,2019  for  classification of water of  (54) wells in Erbil province 26 of them in north and north east of Erbil and  the other half at south west of Erbil. The studied waters were classified for irrigation purpose depending on some global systems or classification and Principal component analysis was done for the calculated parameters used in classification.. Depending on USDA classification(1954)  the water  of the water of (20 and 6) locations or wells having C2S1 and C3S1 Class respectively .While for the south east Erbil wells the water classes were C1S1, C2S1 , C3S1 and C4S1 for (1,5,17, and 3) wells it means the water quality in  south west of Erbil west  is bad in comparing with the water for wells in north and north east of Erbil. Depending  Ayres and Westcot  (1985)  and Doneen classification the water wells in north and north east of Erbil had better water classes in comparing with  the groundwater in south west of Erbil.,. A scree plot for eigenvalues recorded in this investigation showed the pronounced change of slope after the third eigenvalue. Eigenvalue close or greater than one (unity) were  three factors for north and north east of Erbil and two factors for water of south west of Erbil due to its higher EC value.