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GIS based modeling of GWQ assessment at Al-Shekhan area using AHP and SAW techniques

Ahmed Mohammed F., Faisal Raid M.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2020

Vol. 29, No. 2

172--183

There is a continuous need to assess Groundwater Quality (GWQ) for human beneficial uses especially in areas suffering a shortage of nearby surface water. This study aims to assess GWQ of 56 wells located at Al-Shekhan area for drinking, irrigation, and livestock purposes. Analytical Hierarchical Process (AHP) technique is used to extract weights of parameters that are needed in the calculation of Simple Additive Weighting (SAW) technique. Maps are created using Geographical Information Systems (GIS), and these maps shows the classes of suitable areas for each purpose depending upon the calculated indices which are extracted from SAW technique. The results show that the final map classifies the suitable parts according to the drinking, irrigation and livestock purposes, and it shows that the north eastern part of the studied area is suitable for irrigation and livestock only. A model of GIS and AHP is built to assess the suitability of GWQ in Al-Shekhan area, and can be a raw model to be applied to assess GWQ in any other area after inserting the values of their parameters.

Groundwater assessment at east side of Mosul City during 2014–2017

Al-Abedeen Al-Ozeer Ali Z., Ahmed Mohammed F.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2019

Vol. 28, No. 1

35--48

This study assesses groundwater quality GWQ at the east side of Mosul city for different purposes during 2014–2017. Eighteen shallow wells distributed in residential areas are selected and assessed by analyzing their physical, chemical and biological properties. This study reviews the textures of sub-layers by using groundwater modelling system (GMS) to show the probability of infiltration of nearby wastewater and gray water. This study analyzes epidemiological data about diarrhea cases that were increased during that period and calculating the relative, attributed and odd risk. There are three types of assessment are conducted including ranking assessment, weighted assessment and geographical information systems (GIS) assessment. A final map is created to show the most suitable area for live stock and irrigation purposes. The results show that the studied groundwater samples are unsuitable for drinking. High damage can happen for crops with sensitivity for salinity. Most wells are acceptable for live stock purpose.