Hydrological effect on the Geomorphological Land forms in the Tigris River to the end of the dam Kut In Waist Gorernorate.

  • حسين كريم الساعدي جامعة واسط / كلية التربية للعلوم الانسانية
  • عيون عبد المحسن جاسم جامعة واسط / كلية التربية للعلوم الانسانية


AbstractAl-Kut dam Considered as the boundary between the north and south of the Tigris River in the study area and leaves a significant impact on the change of water discharges of the Tigris River back and the front of the Kut dam, as will we will study the hydrological effect of the Tigris River after the dam and its impact of alteration  geomorphological forms of the Tigris River in that region.The importance of the study arises from the importance of water as a "basis for life" and a elementary requirement for sustainable development of human activities,  Agricultural "industrial" civil " political" then indicate the importance of the hydrological influence of the Tigris River and its impression on the forms and manifestations of geomorphological behind the Kut dam, in addition to the possibility of investment in the optimal form then give the solutions to mitigate the effects and clarify this importance by highlighting the problem of the subject of the study, which is the problem of scientific question is not answered and the problem of study. The problem of study being in the next question, (Does the Tigris River dis charges affect the changing geomorphological forms formed on the Tigris River at the end of Kut dam)?. The answer to this question is represented through the hypothesis posed by the researcher and is a start to answer the question posed by the problem, the premise of the study in the divergence of the Tigris River has affected the geomorphological forms of the Tigris River at the end of Kut dam.

The Kut dam affects the longitudinal sector of the stream, as it works to reduce the speed of current and reduce the slope, through increased accumulation of sediments, and (study of the water discharges system), the Tigris River is one of the most important factors that play a role in the evolution of the geomorphological forms of the riverbed the most important of these forms (river islands and river meanders) is the hydrological effect, the decline and rise of discharges, where the processes of low discharges fall in the levels and slow flow of water which leads to the inability of the river to transfer the full load during the process and forced to deposit part of the load on the bottom to form the beginnings to form river islands. In addition to the periods of drought, which are low in discharges and levels, especially in the hot summer season, the best time to build the river islands and also the weakness of the river stream increases the lateral sculpture in the study area, which leads to the formation of river meanders. The rise of the river and the rise in the speed of the river, this increases the (erosion) and increase (river load) and over time and the continuation of the processes of reaches the river to a stage beyond the ability to carry these quantities of sediments and form the barriers that develop to the river islands. The research also aims to find out the impact of river drainage on the geomorphological, through a process that is more like comparing previous years, with years now, including 2019, based on space visualization, rather than comparisons, and has been relied upon The statistical approach to the study of the river  discharges effects of the Tigris, the analytical approach for the analysis of Space visualization, and the clarification of the most significant changes in geomorphological forms resulting from hydrological impact As the study says, the introduction and theoretical framework of research, which represents the problem and the hypothesis, the importance, and aim of the study, in addition to the temporal and spatial boundaries, and the methodology of research as the study of four detectives, dealt with the first, study the natural characteristics of the area geomorphological forms of the study area, , and the research contained a set of conclusions and recommendations. It can be said that there is no specially detailed hydrological study of the Tigris River in the vicinity of Wasit, with Maysan and Ali al-Gharbi, so doing this study in order to illustrate the hydrological effects of the Tigris River in the formation and change of the geomorphological forms in the study area, so this study comes as a scientific document covering all the hydrological effects required for the region, and perhaps every part of this study needs to be understood more if the decision is made to focus on specific work and in a detailed manner.



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