Geomorphic changes of sand communities west of Najaf city using remote sensing and their effects on human activity
Abstract
The sand communities west of the city of Najaf are part of the wind deposits that covered large parts of Iraq, as they contributed to the formation of many natural factors such as the quality of rocks and the nature of the surface and climate, water resources and soil and its role in geomorphic processes of erosion, transport and sediment, which led to major changes in the distribution pattern During the period between 1972 and 2017. The aim of the research is to reveal the extent of the changes that occurred in the sand communities west of the city of Najaf through the analysis of satellite images of the American satellite land sat for the years 1972 and 2017 of using the program (Erdas Imagine 8.4) and then exported to Arq Gis program for analysis and calculation of the areas distributed by the sand communities and to show the size of the change during the period mentioned and show the results through the analysis of the visuals It has been shown that the water of the Sea of Najaf has a positive role in reducing and reducing the movement of sand communities towards the city of Najaf during the current time, but at the same time moved towards some cities such as Al-Hira, Qadisiyah, Mashkhab and some cities of Muthanna From the border between the two provinces and approached a distance of more than 10 km from those cities.
Thus, these communities have a significant negative impact through the march towards civil, agricultural and industrial activities in the region.
References
(خرائط الارتفاعات الرقمية DEM)
جاسم الزاملي، ،2007
الهيأة العامة للمساحة
الدراسة الميدانية
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