Relationship drainage networks in the valleys on the way to design Qanater science aperture (using modern techniques)
Abstract
The Hydro-morphology and architect studies focused profoundly on tackling the drainage basins especially of activated of geomorphologic processing ( Erosion and deposition ) with special focus on flash – flooding and their damaging effect on hydrologic systems , such as dams , roads and bridges .The problem lies in discovering the natural characteristics of water networks and their effects on the culverts efficiency of established on the road connecting Al-Alam and Al-Fatha in letting flooding through those culverts flooding which occur during the months , of precipitation which intended between October and July.The studies has required to use a group of programs, Erdas 8.4 , Arc GIS 9.3 and Global Mapper ) .Because these basins are ungauged to estimate the maximum drainage, a group of Equations have be utilized such as : rational method , Snider and Maning and addition to using equation ( culvert flow ) to find the present capacity and has been found that some of this culverts equal , the maximum drainage , whereas others have culverts capacity exceed the maximum drainage , but field works indicates that flooding passes over two culverts and this in because the openings are full of deposition , moreover the canal has changed it path through which flowing in not appropriate
Keywords
Relationship drainage networks in the valleys on the way to design Qanater science, aperture, using modern techniquesMetrics