Dramatically increase of built-up area in Iraq during the last four decades
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Abstract
Land Use Land Cover (LULC) detection is a crucial indicator of environmental change since it is associated with the climate, ecosystem procedures, land degradation, biodiversity and increased human actions. The objective of current study is to observe how main LULC class changed in Iraq from 1982 to 2019. Overall, 5259 Landsat 4, 5 and 8 images were utilized for land classification. In the study, Random Forest classification method was performed in Google Earth Engine (GGE) platform. The research has established the accuracy assessment of overall accuracy and kappa coefficient of four periods are 95% or higher. The trend of classes demonstrated that built up class increased dramatically by 248.6%. In contrast, bare soil, which covers most territories of Iraq decreased by 8.4% (30,212 km2) from Period 1(1982-1989) to Period 4 (2010-2019). Likewise, vegetation class decreased by 20.2% (8,151 km2) during the same period.
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References
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