A voxel-based fine-scale 3D landscape pattern analysis using laser scanner point clouds

• 作者: SUN Hongzhan WU Qiong
• 来源期刊: 世界地质（英文版）
• 年，卷（期）: 2021,（3）
• 页码范围: 177-182
• 页数: 6页
• 语种: 英文
• DOI: 10.3969/j.issn.1673-9736.2021.03.06

摘要

The landscape pattern metrics can quantitatively describe the characteristics of landscape pattern and are widely used in various fields of landscape ecology. Due to the lack of vertical information, 2D landscape metrics cannot delineate the vertical characteristics of landscape pattern. Based on the point clouds, a high-resolution voxel model and several voxel-based 3 D landscape metrics were constructed in this study and 3 D met-rics calculation results were compared with that of 2D metrics. The results showed that certain quantifying difference exists between 2D and 3D landscape metrics. For landscapes with different components and spatial configurations, significant difference was disclosed between 2D and 3D landscape metrics. 3D metrics can bet-ter reflect the real spatial structure characteristics of the landscape than 2D metrics.