GB/T 42253-2022 English PDF

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GB/T 42253-2022: Code of practice for monitoring of island vegetation cover and utilization
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Basic data

Standard ID: GB/T 42253-2022 (GB/T42253-2022)
Description (Translated English): Code of practice for monitoring of island vegetation cover and utilization
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A45
Classification of International Standard: 07.060
Word Count Estimation: 26,211
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42253-2022: Code of practice for monitoring of island vegetation cover and utilization

---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.
ICS 07.060 CCSA45 National Standards of People's Republic of China Island vegetation coverage and development and utilization Monitoring Technical Regulations Posted on 2022-12-30 2023-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Monitoring content and process 1 4.1 Monitoring content 1 4.2 Monitoring process 2 5 Surveying datum 3 6 Remote sensing image preparation and preprocessing 3 6.1 Remote sensing image preparation 3 6.2 Remote sensing image preprocessing 3 7 Information Acquisition Steps and Methods 4 7.1 Base period information extraction 4 7.2 Change Information Extraction 4 7.3 Final information generation 4 7.4 Information Extraction Error 4 7.5 On-site inspection 4 8 Island Vegetation Coverage Monitoring 5 8.1 Interpretation signs of island vegetation coverage 5 8.2 Extraction of vegetation coverage information in the base period 5 8.3 Information extraction of vegetation cover change 6 8.4 Generation of vegetation cover information at the end of the period 7 8.5 On-site inspection 7 9 Monitoring of Island Development and Utilization7 9.1 Cover classification system and interpretation symbols of islands and surrounding sea areas 7 9.2 Extraction of base period development and utilization information 8 9.3 Development and utilization change information extraction 9 9.4 Information Generation for Final Development and Utilization 10 9.5 On-site inspection10 10 Results preparation 10 10.1 Data classes 10 10.2 Table class 10 10.3 Thematic map 11 10.4 Report class 11 Appendix A (Normative) Record Form 12 Appendix B (Informative) Thematic Map Style 14 Appendix C (Informative) Thematic Map Legend Style 16 Appendix D (Normative) Island Remote Sensing Monitoring Report Outline 17 Reference 19

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283). This document was drafted by. National Marine Environmental Monitoring Center, Beihai Bureau of the Ministry of Natural Resources, East China Sea Bureau of the Ministry of Natural Resources, South China Sea Bureau of the Ministry of Natural Resources Bureau, the Island Research Center of the Ministry of Natural Resources, and the National Marine Information Center. The main drafters of this document. Fu Yuanbin, Li Fang, Qi Yue, Yuan Lei, Kang Jing, Gao Yikang, Huo Suxia, Zhang Feng, Zhang Hande, Peng Ligong, Zhang Zhenglong, Zhang Junxiao, Lin Heshan. Island vegetation coverage and development and utilization Monitoring Technical Regulations

1 Scope

This document stipulates the main monitoring content and monitoring technical methods of using remote sensing technology to monitor the vegetation coverage and development and utilization of islands. The law and results preparation requirements have clarified the specific process and requirements for the monitoring work. This document is applicable to the use of remote sensing technology to monitor the vegetation coverage and development and utilization of uninhabited islands, and to carry out related work on inhabited islands. Monitoring can be performed with reference to this regulation.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 18314 Global Positioning System (GPS) measurement specification GB/T 23236 Digital aerial photogrammetry aerial triangulation specification HY/T 119 Names and Codes of National Sea Islands HY/T 250 Measurement Specifications for the Development and Utilization of Uninhabited Sea Islands

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 island island A naturally formed area of land surrounded by sea water and exposed to the water at high tide. [Source. HY/T.199-2016, 2.1] 3.2 island area islandarea The horizontal projected area of the island. 3.3 Areas covered by flora. 3.4 Vegetation coverage vegetation coverage The ratio of the projected area of vegetation coverage to the island area.

4 Monitoring content and process

4.1 Monitoring content The monitoring contents of island vegetation coverage and development and utilization are as follows. a) Island vegetation coverage, area and vegetation coverage; ......

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