| 余国宝.望高比与普雷斯勒形数、实验形数的关系研究[J].林业调查规划,2024,49(3):13-16 |
| 望高比与普雷斯勒形数、实验形数的关系研究 |
| Relationship between Relative Diameter-Heights Ratio, Pressler FormFactor and Experimental Form Factor |
| |
| DOI： |
| 中文关键词: 望高比 普雷斯勒形数 实验形数 单株立木材积 |
| 英文关键词: relative diameter-heights ratio Pressler form factor experimental form factor volume of
individual standing tree |
| 基金项目: |
|
| 摘要点击次数: 410 |
| 全文下载次数: 329 |
| 中文摘要: |
| 望高比(B)不仅是两个直径之比,还增加了两个高度之比,能更便捷、更客观地反映树干形
状,是一个更理想的干形指标。在望高法求积式中,引入望高比概念,根据研究望高比的结果,提出
望高比法求积式,找到了望高比、普雷斯勒形数与实验形数的关系,在进行林木蓄积量测算,尤其是
单株立木材积测算中显得更加便捷、准确、实用。 |
| 英文摘要: |
| The relative diameter-heights ratio (B) not only refers to the ratio of two diameters, but also
the ratio of two heights, which can more conveniently and objectively reflect the shape of the trunk and is
a more ideal indicator of trunk shape. In the calculation of relative diameter-heights ratio, the related
concept was introduced. Based on the results, this paper proposed the formula of relative diameterheights
to find the relationship between the aspect ratio, the Pressler form factor and the experimental
form factor, which was more convenient, accurate, and practical in calculating forest volume, especially
in calculating the volume of individual standing trees. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
