The Use of Modern Technologies and Its Impact on The Estimation of Surface Water Flow to Choose the Optimal Sites for Water Collecting in The Wadi Kaifah in The Desert of Iraqi's Jazeera
DOI:
https://doi.org/10.31973/aj.v2i138.1751Keywords:
modern technologies, runoff, water collecting, Wadi KaifahAbstract
The Paper deals with the study of mechanisms for selecting suitable sites for water collecting, due to their importance for the area in which the Wadi Kaifahah basin is located within the borders of the Jazirah desert, which is characterized by drought and the fluctuation of its rainfall from one season to another. The selection of watershed sites was based on the US Soil Conservation hypothesis (SCS-CN) to estimate the volume of surface runoff through a set of indicators represented by finding the relationship between the types of land cover and the types of hydrological soils to measure the nature of the valley surface for permeability and infiltration depending on remote sensing techniques and systems. Geographical information (GIS), as the (CN) values ranged between (77-91) showed that it has adequate surface runoff, and then estimating the depth of runoff (Q) for the valley basin to estimate the annual volume of runoff (QV), which reached its lowest value. It has (181400 m3) and its highest (21150800 m3), and finally it reached to determine the four most suitable sites for the construction of dams for the watersheds based on the topography of the area and the results of the (SCS-CN) method.
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References
Al-Babwati, Ahmed Ali Hassan, Wadi Al-Ajeej Basin in Iraq and the uses of its landforms, PhD thesis (unpublished), College of Arts, University of Baghdad, 1995.
Elena V. Brevnova, Green-Ampt Infiltration Model Parameter Determination Using SCS Curve Number (CN) and Soil Texture Class, and Application to the SCS Runoff Model, requirements for the degree of Master, College of Engineering and Mineral Resources, at West Virginia University, p6.
Hamid, Dali Khalaf, Spatial Analysis for Estimating the Volume of Surface Runoff Using (CN) SCS for the (Southern Murr Valley) Basin - Northern Iraq, Tikrit Journal of Pure Sciences, Issue 21, 2016.
Sisakian, Varojan Khajik, Saleh, Sundus Mahdi, Report on the geology of the Ramadi Plate, Ministry of Industry and Minerals, General Establishment of Geological Survey and Mining, Geological Survey Department, 1995.
Soil Conservation Service, Urban Hydrology For small watershed, technical releases 55, and Ed, U. S. Dept. of Agriculture, Washington D.C (1986).
Tipor Buday, The regional geology of Iraq,1980, op. cit . p49.
USDA, National, Nonpoint Source Monitoring Program (NNPSMP), Surface Water Flow measurement for Water Quality Monitoring Projects, 2008.p1-3.
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