Remote Sensing Dynamic Monitoring on Illegal Capacity Occupation of Reservoir

Abstract:

Monitoring the illegally occupied channels is very important for the management and regulations of reservoirs. This paper proposes an automatic and efficient approach to identify the changes in the river course with geographic information system and global position system using multi-temporal remote sensing images. Unlike the traditional river course monitoring system, this approach is mainly based on the change detection information extracting from multi-temporal high spatial resolution remote sensing images. Firstly, change detection from different information of multi-temporal remote sensing images are applied to obtain the change information thematic maps which can be used as working maps for on-site investigation are extracted. Secondly, GPS-RTK measurement technology is used to obtain 3-D position information of the terrain features points in those channel occupied areas. Then, an approach for calculating the volume of the channel occupied area is designed and developed by ArcGIS software using multi-temporal remote sensing images, 3-D position information and historical digital terrain date of channel occupied area. Finally, channel occupied area volume data and thematic maps are acquired by ArcGIS software. The data of reservoir is selected as experimental area, and the experiments have confirmed the high efficiency and accuracy of this approach proposed in this paper.

• Periodical: Advanced Materials Research (Volumes 718-720)
• Pages: 1124-1128
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.718-720.1124
• Online since: July 2013
• Authors: Peng Xiao Chen, Shao Hong Shen, Xiong Fei Wen
• Keywords: Dynamic Monitoring, Illegal Reservoir Occupation, Remote Sensing

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