NDLI: Land Cover Change Detection in the Nakdong River Basin Using LiDAR Data and Multi-Temporal Landsat Imagery

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Land Cover Change Detection in the Nakdong River Basin Using LiDAR Data and Multi-Temporal Landsat Imagery

Content Provider	Semantic Scholar
Author	Choung, Yun-Jae
Copyright Year	2015
Abstract	This research is carried out for the land cover change detection in the Nakdong River basin before and after the 4 major rivers restoration project using the LiDAR DEM(Digital Elevation Model) and the multi-temporal Landsat imagery. Firstly the river basin polygon is generated by using the levee boundaries extracted from the LiDAR DEM, and the four river basin imagery are generated from the multi-temporal Landsat-5 TM(Thematic Mapper) and Landsat-8 OLI(Operational Land Imager) imagery by using the generated river basin polygon. Then the main land covers such as river, grass and bare soil are separately generated from the generated river basin imagery by using the image classification method, and the ratio of each land cover in the entire area is calculated. The calculated land cover changes show that the areas of grass and bare soil in the entire area have been significantly changed because of the seasonal change, while the area of the river has been significantly increased because of the increase of the water storage. This paper contributes to proposing an efficient methodology for the land cover change detection in the Nakdong River basin using the LiDAR DEM and the multi-temporal satellite imagery taken before and after the 4 major rivers restoration project.
Starting Page	135
Ending Page	148
Page Count	14
File Format	PDF HTM / HTML
DOI	10.11108/kagis.2015.18.2.135
Volume Number	18
Alternate Webpage(s)	http://img.kisti.re.kr/soc_img/society/kagis/GRJBBB/2015/v18n2/GRJBBB_2015_v18n2_135.pdf
Alternate Webpage(s)	https://doi.org/10.11108/kagis.2015.18.2.135
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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