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http://dx.doi.org/10.7319/kogsis.2013.21.4.029

Study of CO2 Absorption in Forest by Airborn LiDAR Data  

Go, Sin Young (Dept. of Civil Engineering, Chonbuk National University)
Park, Jung Gi (Dept. of Civil Engineering, Chonbuk National University)
Cho, Gi Sung (Dept. of Civil Engineering, Chonbuk National University)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.21, no.4, 2013 , pp. 29-35 More about this Journal
Abstract
Generally, Calculation of carbon dioxide absorption in the forest area is calculated using the information of the forest, such as tree height and DBH(Diameter of Breast Height). Tree height and DBH of these are obtained using the remote sensing data such as imagery and information of local forest survey. However, Mixed forest with a high proportion of field survey to lower the accuracy of forest information. In this study, vertical structure of the tree were identified by applying region growing method based on the slope using LiDAR data and height and number of the tree were identified by applying extracting top of the tree algorithm. Through the vertex tree extraction algorithm to identify height of tree and the number of individuals, substitute this for the DBH relation formula which is drawn from data through field surveys. In this, a quantitative calculation of carbon dioxide absorption were able to calculate the basic data. Also, carbon dioxide absorption of three type trees were calculated and average per unit area of carbon dioxide absorption were able to estimate.
Keywords
Forest Carbon Dioxid; LiDAR; Tree Height; DBH(Diameter at breast height);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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