CN101368822A - Method for measuring and calculating cut tree volume by cut pile - Google Patents
Method for measuring and calculating cut tree volume by cut pile Download PDFInfo
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- CN101368822A CN101368822A CNA2007100355899A CN200710035589A CN101368822A CN 101368822 A CN101368822 A CN 101368822A CN A2007100355899 A CNA2007100355899 A CN A2007100355899A CN 200710035589 A CN200710035589 A CN 200710035589A CN 101368822 A CN101368822 A CN 101368822A
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Abstract
The invention discloses a method which measures the cut timber volume through stumps, belonging to the forest mensuration. In order to overcome the deficiency of high operation strength and high cost in forestry administration case investigation treatment and forest resource planning and research due to the current lack of methods using stumps to accurately measure the cut timber volume, the invention enables the measured stump height and the cross-section diameter thereof to be calculated in a formula, namely, D is equal to D1- (K (130-H)), so as to evaluate the DBH (diameter at breast height) value of the cut timber, and then searches in the one-variable volume table of standing timber in each area based on the DBH value so as to evaluate the cut timber volume. The invention is used for the detection, quantitativeness and qualitativeness in the deforestation cases, as well as the forest resource investigation, forest quality analysis, forest environmental protection and the like so as to significantly reduce the operating strength, save the manpower and save the costs by more than 50 percent.
Description
Technical field
The present invention relates to a kind of forest reserves measuring method, be specially a kind of utilization and cut down the method that the stake measuring and calculating is amassed by the timber that chopped at a tree.Belong to tree surveying.
Background technology
In existing tree surveying; because shortage utilization is cut down the method that the accurate measuring and calculating of stake is amassed by the timber that chopped at a tree; the accurate quantitative and qualitative and the processing of deforestation case have been had a strong impact on; and labour intensity such as logging work design investigation, forest reserves planning survey, the division of forest site condition, woodland force estimation, forest quality analysis, forest environment protection research are increased, work efficiency is low, cost is high.
Summary of the invention
Purpose of the present invention will overcome above-mentioned weak point exactly, provides a kind of utilization to cut down the method that the stake measuring and calculating is amassed by the timber that chopped at a tree, this method accuracy height, and labour intensity is little, and the work efficiency height is saved manpower and cost.
For achieving the above object, technical scheme of the present invention is that this utilization is cut down the stake measuring and calculating and is by the method that the timber that chopped at a tree amasss:
(1) measuring and calculating is cut down the stake height and is cut down a cross section diameter;
That (2) will measure cuts down the stake height and cuts down a cross section diameter for the following formula of people, obtains the diameter of a cross-section of a tree trunk 1.3 meters above the ground (being the diameter of ground to height of tree 130cm place) of the wood that chopped at a tree;
D＝D
1-[K(130-H)]
In the formula:
D---the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the wood that chopped at a tree;
D
1---cut down a cross section diameter;
K---asking the chopped at a tree coefficient value of the diameter of a cross-section of a tree trunk 1.3 meters above the ground of calculation with lumbering stake diameter, is 0.0154-0.0156; Actual computation can average 0.0155.
H---cut down the stake height;
(4) according to a lumbering diameter of a cross-section of a tree trunk 1.3 meters above the ground that the quilt of obtaining chops at a tree, look into various places monobasic tree volume table (various places forest department has), can draw the volume of timber of the wood that chopped at a tree.
Cut down stake and the proportionate relationship of breastheight and ask and calculate the method for cutting down a standing volume and compare with existing the utilization, the present invention utilizes the lumbering stake to obtain the diameter of a cross-section of a tree trunk 1.3 meters above the ground that is chopped at a tree, the volume of timber of these trees be can obtain by looking into various places monobasic tree volume table again, and then forest reserves and mill run obtained.Arrive the actual detected of breastheight (1.3m place) diameter by strain China fir surplus field ten thousand, pine standing tree alive ground diameter, ground is cut down a diameter and breastheight (130cm place) diameter and is just in time being differed (behind the degradation) one in the value of rank, promptly cut down a diameter and brerast-height diatmeter and exist a degradation relation of successively decreasing, prove that the present invention is consistent with measured result through level; The present invention has been used for 2 provinces, 1000 the woods political affairs in 6 counties case, utilizes that to cut down the stake measuring and calculating timber that chopped at a tree long-pending, contrasts with bigness scale, degree of accuracy is 97.5%, and the accuracy height not only greatly reduces labour intensity, significantly improve work efficiency, and saved manpower and cost more than 50%.
Embodiment
Embodiment 1
The stake measuring and calculating is cut down in this utilization:
(1) measuring and calculating is cut down the stake height and is cut down a cross section diameter;
That (2) will measure cuts down the stake height and cuts down a cross section diameter for the following formula of people, obtains the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the wood that chopped at a tree;
D＝D
1-[K(130-H)]
In the formula:
D---the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the wood that chopped at a tree;
D
1---cut down a cross section diameter;
K---asking the chopped at a tree coefficient value of the diameter of a cross-section of a tree trunk 1.3 meters above the ground of calculation with lumbering stake diameter, is 0.0154-0.0156;
H---cut down the stake height;
(3) according to a lumbering diameter of a cross-section of a tree trunk 1.3 meters above the ground that the quilt of obtaining chops at a tree, look into various places monobasic tree volume table, can draw the volume of timber of the wood that chopped at a tree.
For example: the Hunan is newly shaken forest zone, county pine tree and is fell trees unlawfully, and now records to cut down the stake height and cut down a cross section diameter to be respectively 20cm and 18cm, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the pine tree that the quilt that the above-mentioned formula of substitution is tried to achieve is fell trees unlawfully is:
D＝18-[0.0155*(130-20)]＝16.3(cm)
Look into this county pine tree monobasic tree volume table by a footpath level 16cm, the volume of timber of the pine tree of must this quilt felling trees unlawfully is 0.0976m
3
Embodiment 2
Utilize the present invention to cut down its volume of timber of stake measuring and calculating by the Chinese fir of being fell trees unlawfully:
Still newly shaking the Chinese fir that the forest zone fell trees unlawfully with the Hunan is example, now records it and cuts down the stake height and cut down a cross section diameter and be respectively 20cm and 18cm, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the Chinese fir that the quilt that the above-mentioned formula of substitution is tried to achieve is fell trees unlawfully is:
D＝18-[0.0155*(130-20)]＝16.3(cm)
Look into this county Chinese fir monobasic tree volume table by a footpath level 16cm, the volume of timber of the Chinese fir of must this quilt felling trees unlawfully is 0.1048m
3
Embodiment 3
Utilize the present invention to cut down its volume of timber of stake measuring and calculating by the weedtree tree of being fell trees unlawfully:
Still newly shaking the weedtree tree that the forest zone fell trees unlawfully with the Hunan is example, now records it and cuts down the stake height and cut down a cross section diameter and be respectively 10cm and 8cm, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the weedtree tree that the quilt that the above-mentioned formula of substitution is tried to achieve is fell trees unlawfully is:
D＝8-[0.0155*(130-10)]＝6.14(cm)
Look into this county weedtree tree monobasic tree volume table by a footpath level 6cm, the volume of timber that the weedtree of must this quilt felling trees unlawfully is set is 0.0099m
3
Claims (1)
1. a utilization is cut down the stake measuring and calculating by the method that the timber that chopped at a tree amasss, and it is characterized in that:
(1) measuring and calculating is cut down the stake height and is cut down a cross section diameter;
That (2) will measure cuts down the stake height and cuts down a cross section diameter for the following formula of people, obtains the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the wood that chopped at a tree;
D＝D
1-[K(130-H)]
In the formula:
D---the diameter of a cross-section of a tree trunk 1.3 meters above the ground of the wood that chopped at a tree;
D
1---cut down a cross section diameter;
K---asking the chopped at a tree coefficient value of the diameter of a cross-section of a tree trunk 1.3 meters above the ground of calculation with lumbering stake diameter, is 0.0154-0.0156;
H---cut down the stake height;
(3) according to a lumbering diameter of a cross-section of a tree trunk 1.3 meters above the ground that the quilt of obtaining chops at a tree, look into various places monobasic tree volume table, can draw the volume of timber of the wood that chopped at a tree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100355899A CN101368822B (en) | 2007-08-18 | 2007-08-18 | Method for measuring and calculating cut tree volume by cut pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100355899A CN101368822B (en) | 2007-08-18 | 2007-08-18 | Method for measuring and calculating cut tree volume by cut pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101368822A true CN101368822A (en) | 2009-02-18 |
| CN101368822B CN101368822B (en) | 2010-10-06 |
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ID=40412747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100355899A Expired - Fee Related CN101368822B (en) | 2007-08-18 | 2007-08-18 | Method for measuring and calculating cut tree volume by cut pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101368822B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486991A (en) * | 2013-10-08 | 2014-01-01 | 北京林业大学 | Method for measuring height of tree and volume of wood by means of total station under condition that crown is covered |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1007456B (en) * | 1986-03-06 | 1990-04-04 | 河南省林业科学研究所 | Stereo angle gauge and its measuring method |
| CN1603742A (en) * | 2004-11-10 | 2005-04-06 | 北京林业大学 | Electronic theodolite measurement system and tree survey method therefor |
-
2007
- 2007-08-18 CN CN2007100355899A patent/CN101368822B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486991A (en) * | 2013-10-08 | 2014-01-01 | 北京林业大学 | Method for measuring height of tree and volume of wood by means of total station under condition that crown is covered |
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| Publication number | Publication date |
|---|---|
| CN101368822B (en) | 2010-10-06 |
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Granted publication date: 20101006 Termination date: 20110818 |