Analysis of Land Use Change in Taiyuan City Based on Supervised Classification
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Ning Ma, Jinxin He, Yue Xiong, Xiaoyu Ren and Chao Liu
The research area is Taiyuan City. Respectively using the 1995, 2005 and 2015 three periods remote sensing data, This adopt supervised classification that using the land change data of nearly 20 years as data source combined with the study area statistics after pretreatment. According to the results of the classification, we can get different periods of land use dynamic change and transition matrix after further processing. This article analyzes the change of land use type in Taiyuan. Finally, combination of the corresponding year of Taiyuan, regional GDP, national policy and other factors conduct comprehensive analysis. The one that gets the largest increase land is the land for construction, mainly transferred from the farmland and unused land, followed by woodland. The small portion of unused land and farmland turn to woodland. The water area has increased slightly. During 20 years land use types change are huge in Taiyuan, the level of urbanization continues to improve, the city's development is further reasonable.
Land Use Change, Taiyuan City, Supervised Classification