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http://dx.doi.org/10.5467/JKESS.2020.41.1.31

Changes Detection of Ice Dimension in Cheonji, Baekdu Mountain Using Sentinel-1 Image Classification  

Park, Sungjae (Department of Smart Regional Innovation, Kangwon National University)
Eom, Jinah (Division of Science Education, Kangwon National University)
Ko, Bokyun (Division of Science Education, Kangwon National University)
Park, Jeong-Won (Unit of Arctic Sea-Ice Prediction, Korea Polar Research Institute)
Lee, Chang-Wook (Division of Science Education, Kangwon National University)
Publication Information
Journal of the Korean earth science society / v.41, no.1, 2020 , pp. 31-39 More about this Journal
Abstract
Cheonji, the largest caldera lake in Asia, is located at the summit of Baekdu Mountain. Cheonji is covered with snow and ice for about six months of the year due to its high altitude and its surrounding environment. Since most of the sources of water are from groundwater, the water temperature is closely related to the volcanic activity. However, in the 2000s, many volcanic activities have been monitored on the mountain. In this study, we analyzed the dimension of ice produced during winter in Baekdu Mountain using Sentinel-1 satellite image data provided by the European Space Agency (ESA). In order to calculate the dimension of ice from the backscatter image of the Sentinel-1 satellite, 20 Gray-Level Co-occurrence Matrix (GLCM) layers were generated from two polarization images using texture analysis. The method used in calculating the area was utilized with the Support Vector Machine (SVM) algorithm to classify the GLCM layer which is to calculate the dimension of ice in the image. Also, the calculated area was correlated with temperature data obtained from Samjiyeon weather station. This study could be used as a basis for suggesting an alternative to the new method of calculating the area of ice before using a long-term time series analysis on a full scale.
Keywords
Cheonji; Sentinel-1; Texture analysis; Change detection;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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