대한원격탐사학회:학술대회논문집 (Proceedings of the KSRS Conference)
- 대한원격탐사학회 2004년도 Proceedings of ISRS 2004
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- Pages.638-641
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- 2004
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- 1226-9743(pISSN)
Estimating Dense Forest Canopy Structure Using Airborne Laser Scanner Data
- Park J. H. (Inha University, Department of Geoinformatic Engeneering) ;
- Jang K. C. (Inha University, Department of Geoinformatic Engeneering) ;
- Ma J. L. (Inha University, Department of Geoinformatic Engeneering) ;
- Lee K. S. (Inha University, Department of Geoinformatic Engeneering)
- 발행 : 2004.10.01
초록
Returned laser pulse has certain relationship with vegetation canopy structure (canopy closure, height, LAI, biomass). This study attempts to analyze the characteristics of airborne laser scanner data over very dense forest canopy. Discrete pulse laser scanner data were obtained on April 25, 2004 along with digital aerial color imagery. Using forest stand maps, 14 sample stands of 7 species groups were selected and the elevations from the first and last laser return were compared. From the preliminary analysis, we found that the difference between the first and last return was higher with deciduous forest stand than in coniferous stand. Although difference between the first and the last laser returns often corresponds to tree height, it would not be the case for the forest site having very dense canopy structure.