Volume 5, Issue 9 (6-2017)                   ifej 2017, 5(9): 47-55 | Back to browse issues page

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Seyed Mousavi Z, mohammadi J, shataee S. The Evaluation of Potential Airborne Laser Scanner Data in Estimating of Individual Canopy Area and Tree Heights in Part of Educational and Research Shast-Kalate Forests - Gorgan . ifej. 2017; 5 (9) :47-55
URL: http://ifej.sanru.ac.ir/article-1-201-en.html
Gorgan University of Agricultural Sciences and Natural Resources,
Abstract:   (223 Views)
The present study eas aimed to evaluate the potential of ALS data in estimation of individual canopy cover area and tree heights for the part of Shast Kalate of Gorgan. In this study 117 tree that located in dominant forest story and without overlay with adjacent trees, were selected. Center coordinates of sample trees were determined using DGPS system. Individual canopy area and tree heights were extracted using in Fusion software. UltraCam-D images were used to separating the canopy border of a single tree and produce a tree polygon. The result of linear regression between individual canopy area and tree heights in the field measurement and ALS data were yielded coefficients of determination , (0.974 and 0.997); RMSE% (6.13 and 7.24) respectively. Mean differences between individual canopy area and tree heights of field measurement and ALS data were achieved 0.72 m and 12.8 . Therefore the results of this study showed that ALS data are capable of estimating of individual canopy and tree heights with high accuracy.

 
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Type of Study: Research | Subject: سنجش از دور
Received: 2017/11/20 | Accepted: 2018/04/17 | Published: 2018/06/19

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