Abstract
Employing the full versions of GIS software with its numerous functions to manage case-specific applications is becoming inconvenient for many reasons. A convenient solution that is spreading worldwide to solve this problem is to develop customized tools that use the same GIS concept to meet specific applications. The water resource department in Gaza strip has been facing technical and financial difficulties in using the full GIS versions in managing groundwater resources. Thus, the objective of this paper was to develop a customized standalone GIS-Based ground water quality assessment tool (GWQAT) to be used by the water resources management department in Gaza strip. GWQAT was developed using Microsoft visual basic programming language, a regression mathematical model, map objects, and map files generated from ESRI ARC Info. GWQAT was designed to achieve many functions such as mapping, map overlaying, buffering, charting, soil hydro-geological profiling, and predicting future groundwater quality parameters variations. The simplicity and validity of GWQAT was demonstrated by its application on the groundwater quality parameters in Gaza strip wells with emphasis on chloride concentration.
Highlights
Water sector planners in Gaza Strip (GS) recognized in an early stage the value of geographic analysis and spatial visualization in the water resource management
ground water quality assessment tool (GWQAT) consists of a user-friendly interface, based on the concept of “What-You-See-Is-What-You-Get”, where the user moves across multiple functions with the help of clickable icons, combo boxes, and pull-down menus
It was demonstrated that GWQAT is an easy to use tool that is capable of visually introducing the geographical dimension of the tabulated data on groundwater quality parameters and to link this data with other spatially distributed datasets such as land use and soil properties
Summary
Water sector planners in Gaza Strip (GS) recognized in an early stage the value of geographic analysis and spatial visualization in the water resource management. Current practice of GIS applications in GS indicates the need of decision makers (scientist and engineers) who are not GIS professionals to have access to the GIS data base for better understanding and enhanced decisions This can be achieved by the development of a customized GIS-based tool for the purpose of groundwater quality assessment that is domain-specific and easy-to-use by incorporating the power of a comprehensive GIS environment into a user-friendly experience [3]. Abdul Jabbar [4] described the GIS functionalities being used to assist in the analysis, selection, prioritization, and implementation of civil engineering projects In this regard, many GIS applications have been developed in hydrology, hydraulics, water resources, transportation, surveying, environment and other fields of civil engineering to facilitate engineering analysis, modeling, design, implementation, management, and decision making. Nazereh Nejatbakhsh [5] developed a customized GISbased tool for tunnel construction sites management
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