电子经纬仪自动精测立木材积原理与应用

林业资源管理 ›› 2013›› Issue (5): 80-84.

电子经纬仪自动精测立木材积原理与应用

孙梦营¹, 冯仲科¹, 闫飞¹, 马苏力娅², 樊仲谋¹, 郑君¹

1.北京林业大学测绘与3S技术中心,北京 100083 ;
2.北京林业大学园林学院,北京 100083

收稿日期:2013-08-28 修回日期:2013-09-17 出版日期:2013-10-28 发布日期:2020-11-23
通讯作者: 冯仲科(1962-),男,甘肃灵台人,教授,博导,主要研究方向:精准林业,林业3S技术应用。Email:fengzhongke@126.com
作者简介:孙梦营(1992-),女,辽宁本溪人,主要研究方向:测绘与3S技术应用。Email:smysunmengying@163.com
基金资助:
国家科技支撑计划项目(2012BAH34B01);林业科技成果国家级项目推广(201146)

Principle and Application of Automatic Accurate Measurement of Stem Volume by Using Electronic Theodolite

SUN Mengying¹, FENG Zhongke¹, YAN Fei¹, MA Suliya², FAN Zhongmou¹, ZHENG Jun¹

1. Mapping and 3S Technology Center,Beijing Forestry University,Beijing 100083, China;
2. School of Landscape Architecture,Beijing Forestry University,Beijing 100083,China

Received:2013-08-28 Revised:2013-09-17 Online:2013-10-28 Published:2020-11-23

摘要/Abstract

摘要： 伐倒树木测量树木材积是破坏性实验,还会花费大量的财力和物力,传统无伐倒测量材积方法的精度又太低。提出一种利用电子经纬仪测量立木材积的方法。在内蒙古自治区赤峰市喀喇沁旗旺业甸实验林场中采集202棵落叶松的胸径、地径和树干任意处直径左右两侧的水平夹角等数据,结合相应软件精确求算立木材积,同时选取180棵落叶松结合最佳经验方程拟合旺业甸地区落叶松最佳一元、二元材积模型,并将其余22棵落叶松数据代入式中进行对比。通过数据对比分析得出:利用电子经纬仪测量立木材积与传统经验公式求算立木材积结果相近,可替代传统伐倒树木测量材积的方法。

关键词: 电子经纬仪, 胸径, 树干材积, 测树精度, 二元材积表

Abstract: Measuring tree volume by hewing down is a destructive experiment which costs many financial and material resources.In practice,stumpage measuremental method can avoid the forest’s damage,but being limited to the instrument environment,accuracy and large amount of work.This paper proposed a new measurement on stem volume by using electronic theodolite.In this study,202 larch trees in the stands of Experimental Forest Farm of Wangyedian,Harqin Banner,Chifeng City,Inner Mongolia Autonomous Region,were measured in high precision with their DBH,ground diameter,and tree height data using the related software.In addition,180 larch trees were selected for establishing the best fitted unigram volume model and binary volume model by using empirical equation.The volumes of the rest 22 larch trees were calculated by the equation for comparing.The results indicated that the volume was very close by using electronic theodolite and traditional empirical formula,which means that the new method of using electronic theodolite to calculate stem volume of trees could substitute the traditional method of calculating stem volumes by cutting them down.

Key words: electronic theodolite, DBH, stem volume, measurement accuracy, two-factor volume table

中图分类号:

S24
S758

孙梦营, 冯仲科, 闫飞, 马苏力娅, 樊仲谋, 郑君. 电子经纬仪自动精测立木材积原理与应用[J]. 林业资源管理, 2013,(5): 80-84.

SUN Mengying, FENG Zhongke, YAN Fei, MA Suliya, FAN Zhongmou, ZHENG Jun. Principle and Application of Automatic Accurate Measurement of Stem Volume by Using Electronic Theodolite[J]. FOREST RESOURCES WANAGEMENT, 2013,(5): 80-84.

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