الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Development of the Egyptian deserts is the main national interests, especially that of Sinai, due to its strategically situation. As a result of the governmental efforts, in this issue, many settlements and communities have been established. Most of these communities are engaged in mining, tourism and agriculture activities, which have caused on ever increasing need for water resources especially at different wadis in southern Sinai. Therefore some important rainy wadis are chosen in the present study for evaluating its surface and ground water potentiality, surface water recharging and flash flood control. The Gulf of Aqaba coast has witnessed enormous tourism and agricultural activities. The growing settlements, communities and tourism resorts have caused an ever-increasing demand for water. Wadi Baraga basin lies between latitudes 28o 44’ and 28o 73’ 30’’ N and longitudes 34º 22 ’30 ’’and 34º 25 ’30 ’’E.This tectonic plain represent an interesting area, for south Sinai residence and government due to its use as desert camp for the tourists travailing and outdoor activity of the international hotels in three main important coastal towns namely, Nowabea,Dahab and Sharm EL Shaikh. Another major importance to this tectonic plain is as acting the upstream of some wadis (EL Gaybi ,Hadaba, Kenkeshen and Zaghra)which transfer the floods down to strike the main highway which contacts the mentioned coastal towns along the Gulf of Aqaba.Wadi El Gaybi is a size moderate valley lies to the west of Aqaba Gulf and its outlet drained to the Nowabea –Dahab Asphaltic road which constructed in Wadi EL Ghaieb and is coincides to the latitudes 28o 47 30 and 28o 52 30 N and longitudes 34o 22’ 30’’& 34o 27’ 30’’E The upstream of this wadi is ELGaybi and EL Hagag Plateaus which branched to other valleys such as W.EL Marouh , Abu Hatmat, W.EL Arshi and W.Alem. The slope of wadi El Gaybi graded from east south east to West North West with elevations varies from 542m in south and 812 m in north. Wadi Hadaba is a size moderate valley lies to the west of Aqaba Gulf and its outlet drained to the Nowabea –Dahab asphaltic road which constructed in Wadi El Ghaieb and coincides ato the latitudes 28o 40’ & 28o 45’ N and longitudes 34o 27’ 20’’& 34o 24’ 30’’E The upstream of this wadi is Baraga tectonic plain .This valley is branched into two branches, one to the east and the other to the west. The slope of Wadi Hadaba is graded from the Northwest to the South east with elevations vary from 254m in the Southeast and 830 m in the Northwest This integrated study has three main targets; firstly study the recharging characteristics and its enhancement capabilities in the term of surface water harvesting, second, control the flash flood which dropped from these wadis to strike the very important highway which connects the touristic towns along the Gulf of Aqaba. ; Finally study the groundwater probabilities at these wadis to locate the best sites for drilling wells cisterns and dam sites for hazard mitigations. To achieve the previous targets, integrated remote sensing geological, geophysical and field measurements where applied and interpreted over the study area. Tropical satalite data were interpreted over south Sinai and the watershed basins to clarify the precipitation characteristics while the E.T.M Scene (30 m.) which merged with Spot Scene (5 m.) of the mentioned area are analyzed to clarify the groundwater indicators and best sites and techniques for geophysical testing. Digital elevation Model of the study area which created from Radar scene (15 m) using G.I.S capabilities were used for detect the slope ,aspect, surface water flow direction and surface water flow accumulation sites which recommended for geophysical testing to detect best sites for drilling wells and/or Cistern. The land magnetic (50 profile) was used to detect the structural elements and thickness of sedimentary cover which play the major roles in the groundwater occurrences. The electrical measurements (20 vertical electrical soundings and 8 electrical tomography profiles) were used to explore the groundwater at the promised sites detected by land magnetic. Seismic refraction measurements (4 profiles) were applied at the site recommended from each of remote sensing, G.I.S, land magnetic and Geoelectric measurements. Finally the GIS technique was applied to obtain a land use and/or decision map for each wadi. Eventually, at W.Baraga, four out of seven recommended dam sites were suggested for flash flood controls (D1-D4) whereas the seven are important for surface water harvesting. Four sites were recommended for drilling wells .The Geo environmental and geotechnical testing at this area show the best configuration to the suggested airport and the outlet of wadi EL Gaybi and Wadi Hadaba At W. EL Gaybi, two out of four recommended dam sites were suggested for flash flood controls (D5&D6) whereas all of them are important for surface water harvesting. Three sites were recommended for drilling wells in the downstream of the valley. Final three Cisterns were recommended through the upstream. At W.Hadaba , one out of two recommended dam sites were suggested for flash flood controls (D7&D8), whereas the two are important for surface water harvesting. Two sites were recommended for drilling wells in the downstream of the valley, three underground pipes are recommended under the asphaltic road for its protection. Three Cisterns on the proposed sites through the downstream are recommended.