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http://dx.doi.org/10.5762/KAIS.2018.19.1.633

Analysis of Forest Change Characteristics in North Korea using Multi-temporal Satellite Images  

Lee, Hyoung-Kyu (Department of Civil Engineering, Seoil University)
Oh, Myoung-Kwan (Department of Electrical & Electronics Service, Hyejeon College)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.1, 2018 , pp. 633-638 More about this Journal
Abstract
We are constantly hearing about the seriousness of food shortages in North Korea through various media reports. Recently, the severity of the problem has increased, and international organizations and relief organizations have become increasingly concerned. Due to the shortage of food and firewood, residents illegally cut trees in the mountains and, as a result, North Korea has become the third fastest-growing area of forest degradation in Asia. However, since North Korea cannot directly measure the extent of forest degradation, remote sensing techniques using satellite imagery have to be applied. The purpose of this study was to analyze the characteristics of forest change in North Korea, in order to understand the severity of the forest degradation problem. For this purpose, Landsat 5 TM and Landsat 8 OLI TIRS satellite images were acquired and classified. As a result, it was found that the forests have turned into wilderness in the Nampo City and Pyongyang municipalities, while the wasteland has changed into forests in the north of Yanggangdo. In addition, the total forested area of the whole region decreased by $4,166.22km^2$, the residential area decreased by $2,017.03km^2$, and the amount of agricultural land increased by $6,625.74km^2$, which is similar to the amount of forested area lost, although the difference in the overall area of the forests between 2017 and 2006 was small.
Keywords
Forest Change; Land Cover; Landsat Satellite; Multi-temporal Satellite Images; North Korea;
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Times Cited By KSCI : 3  (Citation Analysis)
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