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Proceedings Paper

Estimation of regional-scale forest resources using ICESat/GLAS spaceborne lidar
Author(s): Masato Hayashi; Nobuko Saigusa; Habura Borjigin; Yoshito Sawada; Yoshiki Yamagata; Takashi Hirano; Kazuhito Ichii
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Paper Abstract

Recently, the demand of forest resources monitoring technology on a large scale is growing, and spaceborne LiDAR is expected to provide a means for accurate monitoring. This study aims to clarify the potential of ICESat/GLAS spaceborne LiDAR for forest resources monitoring on a regional scale. The study areas were Hokkaido Island in Japan (cool-temperate forest), Borneo Island (tropical forest), and Siberia (boreal forest). Firstly, we conducted field measurements in Hokkaido and Borneo, and calculated the average canopy height (Lorey’s height) and the above-ground biomass (AGB) for each GLAS-footprint. Then, we developed some models to estimate canopy height and AGB from the GLAS waveform parameters based on the field measurement data. Next, we applied the developed models to the GLAS data in Hokkaido and Borneo. The average canopy height and AGB were 17.8 m and 119.4 Mg ha-1, respectively, in Hokkaido, and 16.2 m and 190.2 Mg ha-1, respectively, in Borneo. These results suggest that the tropical forest in Borneo has a higher biomass than the cool-temperate forest in Hokkaido. Furthermore, we applied the estimation model to the GLAS data acquired in Siberia. The average AGB was 86.2 Mg ha-1, and it has decreased especially in Southern area of Western Siberia. This study showed that spaceborne LiDAR had an ability of forest resources monitoring on a regional scale, for each of boreal, cool-temperate, and tropical forests.

Paper Details

Date Published: 20 October 2015
PDF: 6 pages
Proc. SPIE 9644, Earth Resources and Environmental Remote Sensing/GIS Applications VI, 96440V (20 October 2015); doi: 10.1117/12.2194249
Show Author Affiliations
Masato Hayashi, National Institute for Environmental Studies (Japan)
Nobuko Saigusa, National Institute for Environmental Studies (Japan)
Habura Borjigin, National Institute for Environmental Studies (Japan)
Yoshito Sawada, National Institute for Environmental Studies (Japan)
Yoshiki Yamagata, National Institute for Environmental Studies (Japan)
Takashi Hirano, Hokkaido Univ. (Japan)
Kazuhito Ichii, Japan Agency for Marine-Earth Science and Technology (Japan)
National Institute for Environmental Studies (Japan)


Published in SPIE Proceedings Vol. 9644:
Earth Resources and Environmental Remote Sensing/GIS Applications VI
Ulrich Michel; Karsten Schulz; Manfred Ehlers; Konstantinos G. Nikolakopoulos; Daniel Civco, Editor(s)

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