Building a Digital Elevation Model for Razaza Lake by Using GIS
Zuhair Abdul Wahab Al-Jawahriy
Zuhair Abdul Wahab Al-Jawahriy,  Asst Prof, College of Engineering, University, Kerbalaa, Iraq.
Manuscript received on September 22, 2013. | Revised Manuscript received on October 15, 2013. | Manuscript published on October 30, 2013. | PP: 292-296  | Volume-3, Issue-1, October 2013. | Retrieval Number:  A2245103113/2013©BEIESP

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Abstract: The research involves getting aid from NASA through downloading the data relevant to the area under study and inferring the coordinates after several modifications on them have been carried out, using specialized programs. Razaza Lake(In Iraq) has been selected in order to reach several details such as the number islands in the lake, terrain survey, lake boundaries and nature of the land bordering it, the lake water level at the time the radar readings are taken when the lake surface area is calculated. and also find:- Radar readings are not useful for areas submerged in water- The lowest and highest elevations of the area under study are 19 and 159m respectively- The surrounding areas are inclined gradually towards the Lake , except those on the south east (which are located in Kerbala province, which are characterized by sharp rise whose elevation reaches 100 m- It is easy to plan for making roads and for urban housing projects through visual inspection of area solid model.
Keywords: Razaza Lake, NASA.