Korean Journal of Remote Sensing (대한원격탐사학회지)

Korean Society of Remote Sensing (대한원격탐사학회)
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Land-Cover Classification of Barton Peninsular around King Sejong station located in the Antarctic using KOMPSAT-2 Satellite Imagery

KOMPSAT-2 위성 영상을 이용한 남극 세종기지 주변 바톤반도의 토지피복분류

  • 김상일 (한국해양과학기술원부설 극지연구소) ;
  • 김현철 (한국해양과학기술원부설 극지연구소) ;
  • 신정일 (한국해양과학기술원부설 극지연구소) ;
  • 홍순규 (한국해양과학기술원부설 극지연구소)
  • Received : 2013.10.01
  • Accepted : 2013.10.21
  • Published : 2013.10.31
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Abstract

Baton Peninsula, where Sejong station is located, mainly covered with snow and vegetation. Because this area is sensitive to climate change, monitoring of surface variation is important to understand climate change on the polar region. Due to the inaccessibility, the remote sensing is useful to continuously monitor the area. The objectives of this research are 1) map classification of land-cover types in the Barton Peninsular around King Sejong station and 2) grasp distribution of vegetation species in classified area. A KOMPSAT-2 multispectral satellite image was used to classify land-cover types and vegetation species. We performed classification with hierarchical procedure using KOMPSAT-2 satellite image and ground reference data, and the result is evaluated for accuracy as well. As the results, vegetation and non-vegetation were clearly classified although species shown lower accuracies within vegetation class.

남극 세종 과학 기지가 위치하고 있는 바톤반도는 눈과 식생이 주를 이루고 있고, 기후변화와 같은 환경변화에 민감하게 반응한다. 극지역의 지표 모니터링은 기후변화 이해를 위해 중요하다. 그러나 극 지역은 접근성 및 공간규모로 인해 지속적으로 모니터링 하기에 어려움이 있다. 위성영상은 지속적으로 동일지역을 모니터링 할 수 있다는 장점과 함께 다중분광영역을 이용하여 지표의 상태를 파악하는데 효율적이다. 따라서 본 연구에서는 바톤반도의 지표의 상태를 지속적으로 모니터링하기 위한 기초자료로 KOMPSAT-2 다중 분광 위성영상을 이용하여 토지피복분류를 수행하였고, 나아가 분류된 토지피복 중 식생 종의 분포를 파악하였다. 다중분광영상인 KOMPSAT-2 위성영상과 현장관측자료를 이용하여 계층적 분류를 수행하였고 정확도를 평가하였다. 전반적으로 식생지역과 비식생 지역이 명확하게 분류되었으나 식생 종 분류에는 낮은 정확도를 보였다.

Keywords

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