09. RESEARCH ON AN ALGORITHM TO SEPARATE WATER AND LAND BOUNDARIES USING LANDSAT OPTICAL SATELLITE IMAGES FOR RIVER EROSION STUDY

Huy Hoang Anh

Giới thiệu

This research aims to introduce an algorithm for separating water and land boundaries using Landsat optical satellite images. The Landsat image is first radiation calibrated and atmospheric calibrated using a FLAASH model. Thresholding algorithm combining with image ratio was then applied to separate boundaries between water and land. The results of separating water and land boundaries from two Landsat-5 and Landsat-8 images of the confluence of Thao river, Da river and Lo river taken in 2008 and 2017 show that the algorithm has effectively separated water and land boundaries of this region. This research enables an important method to identify changes and to monitor landslide erosion in Vietnam river basins.

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Các tác giả

Huy Hoang Anh
hahuy@hunre.edu.vn (Liên hệ chính)
Hoang Anh, H. (2019). 09. RESEARCH ON AN ALGORITHM TO SEPARATE WATER AND LAND BOUNDARIES USING LANDSAT OPTICAL SATELLITE IMAGES FOR RIVER EROSION STUDY. Tạp Chí Khoa học Tài Nguyên Và Môi trường, (25), 69–75. Truy vấn từ https://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/161
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