Author name:
محمد عباس جابر خضير الحميري
Supervisor name:
حسين جوبان عريبي المعارضي | طارق جمعة علي المولى
Abstract:
Remote Sensing (RS) and Geographical Information System (GIS) have been used in studying the mapping and geomorphological analysis of the forms of the ground surface of east Tigris between Al - Chabab and Al - Sweeb rivers. The area lies at south east Iraq (30° 55' 55" N, 32° 55' 55" N; 67° 10' 59" E, 47° 51' 54" E).It is a border strip paralleling to Iran and extending along Maysan, Wasit and Basrah governorates. Its area is 11132.96 km2.The data of (OLI) sensor of the U.S satellite (Landsat) has been used. It has included three satellite images covering the area in 2016. The data of Quick Bird2 Satellite has also been used. Moreover, Digital Elevation Model (DEM) for mapping and geomorphological analysis, Arc GIS V 10.4.1 and Erdas V 8.5 for mapping, encoding, analyzing, enhancing and classifying the spectral features of images have been used in this study. It has been hypothesized that the forms, factors and processes contributing to the formation of the above - mentioned area can be mapped and analyzed geomorphologically by using RS and GIS. The study has been divided into two parts. Part I consists of five chapters plus introduction, conclusions and recommendations. Part II consists of 158 - map atlas. Chapter One includes the geomorphological map and the techniques used in the study. Chapter Two includes the mapping and geomorphological analysis of the natural factors prevailing in the area. It has been revealed that the area lies tectonically in unstable shelf within lower anticlines and sedimentary plain. Geologically the area covers the sediments of Triassic Period and Quaternary. Topographically the area surface slopes gradually from east north to west south. Old climate has significantly contributed to the geomorphological formation of the area. However, present climate and vegetarian cover have less geomorphological effect. Vegetarian cover is small and seasonal. Chapter Three includes the mapping and geomorphological analysis of the processes prevailing in the area. Each process has been studied separately. In addition, the role of each process in the formation of geomorphological phenomena and the characteristics of river networking has been stated. Moreover, quantitative measurement of water and wind erosion has been recorded. Chapter Four includes the mapping and geomorpholical analysis of the morphometric characteristics of the valley basins of the area. The study has studied the characteristics of area, form, length, relief and river networking of twenty basins. These are the basins of - BAbu Kreesha, Al - Amiah, Al - Zafran, Al - Tleel, Al - Jaftah, Al - Hawi, Srat Khatoon, Qarah Tiba, Abu Ghareeb, Chlat, Yarwa, Abu Jarab Al - Charji, Khweesah, Al - Manzliah, Al - Teeb, Abu Ghreebat, Al - Shakak, Al - Dweereej, Al - Salmanah and Shat Al - Emah. They occupy 11721.93 km2. The head of these basins lies in Iran and the mouth lies in east Iraq. Most area of these basins lies in Iran and their flow is seasonal. Chapter Five includes the mapping and geomorphological analysis of the forms of the ground according to their emergence in the area. The geomorphological forms have been classified, according to the factors and processes which had contributed to their formation and emergence, into geomorphological systems and then into secondary units or interrelated ground elements. These systems are structural - denudational, fluvial - denudational and aeolian - denudational.In addition, there are the morphdynamic system and human - action made system.The study has proved that the use of RS and GIS techniques in mapping and geomorphological analysis is of vital importance. The RS and GIS techniques provide many resources not provided by conventional methods. In addition, the use of RS and GIS is economic in terms of time, effort and money. Moreover, such use achieves high performance.
