Alaa Ahmed

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Research@Locate Presentation:
Using GIS techniques and Quantitative Morphometric Analysis to Evaluate the Groundwater Resources in the Central Flinders Ranges, South Australia

Alaa Ahmed, Ph D Scholar – University of South Australia


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5 Things You Will Learn

  1. The morphometric parameters for Oratunga, Central Flinders Ranges, South Australia had been extracted
  2. Remote sensing and geographic information systems used for
    hydrogeological evaluation
  3. In the study area, the low drainage density over higher relief and fractured areas has more infiltration ability
  4. The effective groundwater recharge potential zones were defined
  5. A multi-criterion analysis intended to produce an evaluation of water resources

Target Audience

Researchers in the fields of Hydrogeology, Water resources, Geomorphology and GIS.

Presentation Overview

The quantitative analysis of a drainage system is essential in understanding the hydrological behaviour of the catchment. The present study was carried out in a drainage basin (Oratunga basin) in the Central Flinders Ranges, South Australia. GIS techniques were used to assess critical morphometric characteristics of the dendritic to sub-dendritic drainage pattern. The analysis has shown that the total number and length of stream segments decreases sequencively from first order to fifth order streams.

The bifurcation ratio (Rb) between different successive orders varies and the shape parameters indicate the elongated shape of the basin. The compilation of the different parameters reveals that the groundwater is mainly controlled by geomorphology, slope, geology, drainage density. Based on these factors groundwater potential of the basin was classified into good, moderate and low zones. The study reveals that quantitative analysis based on GIS techniques and available data is a useful tool for geo hydrological studies. Future research will focus on applying similar analyses in other locations in the Flinders Ranges and comparing with these results.


Alaa has 10 years of strong professional and academic experience in the field of geology and hydrogeology. He holds a Bachelor degree in Geology from Cairo University in Egypt and a M.Sc. in Geology (Stratigraphical and Petrographical studies on the water bearing formations in Wadi Watir basin, South-eastern Portion of Sinai, Egypt).

Being familiar with most of the Geological and Hydrogeological software enables him to conduct a realistic analysis and detailed interpretations in my research.

He has worked for several years in Egyptian Desert Research Center (the oldest scientific Research Center in Egypt) Studying Ph.D. in hydrogeology and geology (Hydrogeology of the fractured bedrocks in the Oratunga Areas, Flinders Ranges, South Australia).