Morphometric Analysis of Taqtaq Watershed / Koysinjaq District, Iraqi-Kurdistan Region
DOI:
https://doi.org/10.21271/zjhs.26.2.14Keywords:
Morphometric characteristics, R.S, STRM DEM, GIS, Taq Taq WatershedAbstract
The goal of this study was to investigate the morphometric analysis of the Taqtaq watershed in the Koysinjaq district, which is in the northeastern portion of Erbil, Kurdistan Region of Iraq (KRI). The watershed has an area of 881 km2. The Digital Elevation Model-Shuttle Radar Topography Mission SRTM-DEM data, as well as Geo-information methodologies, were utilized to determine and analyze morphometric parameters, like lineal, aerial, and relief characteristics in order to achieve the study's goals. To create and producing maps, as well as analyzing and evaluating specific criteria, a variety of functionalities in ArcGIS 10.8 software were utilized. By R2 values (R2 = 0.79 and 0.80 of the sub-basin), the major results revealed a difficult opposing connection between stream order, number, and length in the watershed of the study area. The watershed is elongated in form, with drainage patterns ranging from dendritic to sub-dendritic to parallel to sub-parallel. According to the study's findings, the drainage also has poor drainage, low permeability content, and a slight slope. The creation of landforms and watershed efficiency has been impacted by the research region's structural geology and climatic circumstances. The current study can be beneficial, and significant for watershed preservation and rainfall preparedness.
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