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عنوان المقال عربي

نمذجة سلوك مؤشر الكثبان الرملية والتربة الجافة (NDSDI) ودوره في الكشف عن تأثيرات التغير المناخي في قضاء السماوة للفترة (1993-2008-2023)

اسم الباحث عربي

سرحان نعيم الخفاجي، أسامة فالح عبد الحسن المكتوب

Abstract

The problem of climate change is one of the important challenges facing countries of the world in general, especially countries that do not have the ability to confront these changes, in addition to the severity of their impact. The field of research was the spatial boundaries of the Samawah District in Al-Muthanna Governorate, as it is bordered on the northern side by the (Al-Hilal, Al-Suwayr, Al-Majd), to the east is Al-Khader District, and to the south and southwest is Al-Salman District. Astronomically, the study area is located between two lines of longitude (45° 4' 10.827" E - 45° 32' 15.364" E) and two latitudes (31° 16' 44.998" N - 31° 15' 47.151" N), and the time limits are represented in the years (1993-2008-2023). The study showed that the Samawah district was affected by climate changes, which was reflected in the increase in the area of ​​sand dunes and arid soil from (350.64) km2, by (42.27) % for the year 1993, to (363.39) km2, at a rate of (43.8) % for the year 2023, and the area of ​​sand dunes and barren soils constituted (484.61) km2 in 2008, at a rate of (58.42)%, and the areas of wetlands and vegetation decreased from (126.39) km2, at a rate of (15.24). )% for the year 1993 to (87.94) km2, with a rate of (10.6)% for the year 2023, and the area of ​​wetlands and vegetation in 2008 amounted to (70.5) km2, with a rate of (8.5)%.

Keywords

behaviour, Osama Faleh Abdul Hassan Al-Maktoob

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