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LY/T 3183-2020 English PDF

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LY/T 3183-2020: Technical regulations for development of stand form height table
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PDF similar to LY/T 3183-2020


Standard similar to LY/T 3183-2020

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Basic data

Standard ID LY/T 3183-2020 (LY/T3183-2020)
Description (Translated English) Technical regulations for development of stand form height table
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard B60
Classification of International Standard 65.020
Word Count Estimation 10,160
Date of Issue 2020-03-30
Date of Implementation 2020-10-01
Regulation (derived from) Announcement No. 6 of 2020 by the State Forestry and Grassland Bureau
Issuing agency(ies) State Forestry and Grassland Administration

LY/T 3183-2020: Technical regulations for development of stand form height table

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical regulations for development of stand form height table ICS 65.020 B60 People's Republic of China Forestry Industry Standard Technical Regulations for Compiling Forest Fractal Height Table 2020-03-30 released 2020-10-01 implementation Issued by the State Forestry and Grassland Administration

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Data acquisition and processing 1 5 Compilation of Forest Fractal Height Table 2 6 Compilation results of forest fractal height table 6 Appendix A (informative appendix) Commonly used mathematical models of shape height 7

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed and managed by the State Forestry and Grassland Administration. This standard was drafted by. State Forestry and Grassland Administration Survey Planning and Design Institute, Beihua University Forestry College. The main drafters of this standard. Weng Guoqing, Ge Lili, Liu Wei, Wang Hezhi, Bian Fei, Ma Yane, Luan Guojun, Song Haoran, Yang Bulang, Wang Hongchun, Zhang Qichang, Wang Lianghong. Technical Regulations for Compiling Forest Fractal Height Table

1 Scope

This standard specifies the number of samples for compiling the forest fractal height table, data collection and processing, selection, establishment and testing of the shape height model, and forest Technical requirements such as fractal high table expansion. This standard applies to the compilation and use of forest fractal height tables nationwide.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. LY/T 2416 Forestry Number Table Compilation Data Collection Technical Regulation

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Stand A forest area that has the same internal characteristics and is significantly different from its neighboring parts. 3.2 Average height of stand; standmean height The average tree height in the forest stand. 3.3 Forest fractal height standformheight The ratio of the stand volume per unit area to its corresponding breast height section area. 3.4 Standformheighttable A forest survey table compiled based on the correlation between the stand height and the average stand height.

4 Data collection and processing

4.1 Data collection According to the regulations of LY/T 2416. 4.2 Data processing 4.2.1 Determination of abnormal data Determine abnormal data as follows. a) Scatter plot method

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