Dynamic Monitoring Method of Natural Resources in Libo Scenic Spot Based on Remote Sensing Technology

Authors:Li Maolin

Abstract


Libo scenic spot is rich in natural resources. In order to study it, a dynamic monitoring method of Libo scenic spot natural resources based on remote sensing technology is proposed. The remote sensing image of Libo scenic spot obtained by MODIS is preprocessed by TM image processing, atmospheric correction and other technologies to obtain high-precision remote sensing image. On this basis, the multi-scale segmentation method is used to segment the remote sensing image to obtain the small spot layer, and then the hierarchical supervised classification method is used to extract the natural resource change spots. According to the spot classification results, the model based on the least square estimation method is used to analyze the resource change and independent variables, so as to realize the dynamic monitoring of natural resources in Libo scenic area. It can be seen from the experiment that the dynamic changes of forest resources and water resources in Libo scenic spot can be accurately monitored by using this method, and the accuracy of monitoring results is high. The area of positive and reverse changes of forest resources is 5205.186 hm2 and 546.524 hm2, respectively, and the area of unchanged area is 42159.603 hm2. The water resources in the scenic spot are less in winter and spring, in June to August, water volume rose and water resources were abundant.


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