• Title/Summary/Keyword: 개개수목 탐지

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Estimation of Carbon Dioxide Stocks in Forest Using Airborne LiDAR Data (항공 LiDAR 데이터를 이용한 산림의 이산화탄소 고정량 추정)

  • Lee, Sang-Jin;Choi, Yun-Soo;Yoon, Ha-Su
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.30 no.3
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    • pp.259-268
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    • 2012
  • This paper aims to estimate the carbon dioxide stocks in forests using airborne LiDAR data with a density of approximate 4.4 points per meter square. To achieve this goal, a processing chain consisting of bare earth Digital Terrain Model(DTM) extraction and individual tree top detection has been developed. As results of this experiment, the reliable DTM with type-II errors of 3.32% and tree positions with overall accuracy of 66.26% were extracted in the study area. The total estimated carbon dioxide stocks in the study area using extracted 3-D forests structures well suited with the traditional method by field measurements upto 7.2% error level. This results showed that LiDAR technology is highly valuable for replacing the existing forest resources inventory.