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GB/T 42332-2023: Specification for topographic mapping of islands and surrounding waters
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GB/T 42332-2023: Specification for topographic mapping of islands and surrounding waters

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ICS07:060 CCSA45 National Standards of People's Republic of China Specifications for surveying and mapping of topographic maps of islands and surrounding sea areas Released on 2023-03-17 2023-07-01 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 2 4 General requirements 2 4:1 Measurement content 2 4:2 Adoption of benchmark 2 4:3 Mapping scale and mapping requirements 3 4:4 Accuracy requirements 3 4:5 Instruments and equipment 4 5 Technical Design 5 5:1 Data collection and analysis 5 5:2 Field survey 5 5:3 Compilation of Technical Design Document 5 6 Control measurement 5 6:1 Plane Control Measurements 5 6:2 Height Control Survey 6 6:3 Determination of mean sea level 7 6:4 Determination of the theoretical minimum tidal level 7 6:5 Determination of the average high tide surface7 6:6 Height and depth datum conversion 7 7 Island Land Topographic Survey 7 7:1 General requirements 7 7:2 Measurement content 8 7:3 Measurement method 8 7:4 Topographic map repair and measurement 10 8 Dry beach topographic survey 10 8:1 General requirements 10 8:2 Measurement content 10 8:3 Measurement method 11 9 Bathymetry in the surrounding waters of the island 11 9:1 Layout of sounding lines 11 9:2 Navigation and positioning 11 9:3 Water level correction 11 9:4 Bathymetry 12 10 Data processing 14 10:1 Control measurement data processing 14 10:2 Data processing of island land topography 14 10:3 Data processing of dry out beach measurement 14 10:4 Data processing of bathymetry 15 11 Compilation of result map 16 11:1 General requirements 16 11:2 Expression of Land Topographic Map Elements 16 11:3 Representation of Topographic Map Elements of Dry Out Beach and Low Tide Highland 16 11:4 Representation of underwater topographic map elements 17 11:5 Compilation of overlapping regions 18 12 Inspection and acceptance 18 12:1 General requirements 18 12:2 Quality inspection 18 Appendix A (informative) Height Datum and Depth Datum Conversion 19 Appendix B (Informative) Definition Algorithm of Theoretical Lowest Tidal Level 20 Appendix C (Informative) Algorithm of Average Spring Tide High Tide Surface 22 Reference 24

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 proposed by the Ministry of Natural Resources of the People's Republic of China: This document is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283): This document was drafted by: The First Institute of Oceanography, Ministry of Natural Resources, Qingdao Institute of Surveying and Mapping: The main drafters of this document: Yang Long, Chen Yilan, Feng Yikai, Zhao Yabo, Xu Jun, Zhang Jian, Ding Jisheng, Li Jie, Huang Chenhu, Tang Qiuhua, Zhou Xinghua, Liu Yanxiong: Specifications for surveying and mapping of topographic maps of islands and surrounding sea areas

1 Scope

This document specifies the general requirements, technical design, surveying content, technical Methods, data processing, results map compilation, inspection and acceptance, etc: This document is applicable to the surveying and mapping of topographic maps of islands and surrounding waters at a scale of 1:500~1:10000, and islands at other scales: The topographic map surveying and mapping of the surrounding sea area can be carried out with reference:

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 12897 National First and Second Class Standards for Level Surveying GB/T 13923 Classification and coding of basic geographic information elements GB/T 17278 Basic requirements for digital topographic map products GB/T 17501 Ocean Engineering Topographic Survey Specifications GB/T 18316 Quality inspection and acceptance of digital surveying and mapping results GB/T 19294 Technical Design Specifications for Aerial Photography GB/T 20257:1 National Basic Scale Map Schema Part 1: 1:5001:10001:2000 Topographic Map Schema GB/T 20257:2 National Basic Scale Map Schema Part 2: 1:50001:10000 Topographic Map Schema GB/T 23236 Digital aerial photogrammetry aerial triangulation specification GB/T 27919 IMU/GPS Aided Aerial Photography Technical Specifications GB/T 28588 Technical specification for continuous operation reference station network of global navigation satellite system GB 50026 Engineering Measurement Standards CH/T 1004 Surveying and Mapping Technical Design Regulations CH/T:2009 Global Positioning System Real-time Kinematic Measurement (RTK) Technical Specification CH/T 3006 Digital aerial photogrammetry control measurement specification CH/T 3007:1 Digital aerial photogrammetric mapping specification Part 1: 1:5001:10001:2000 digital elevation Model digital orthophoto map digital line drawing CH/T 3007:2 Digital Aerial Photogrammetric Mapping Specification Part 2: 1:50001:10000 Digital Elevation Model Digital orthophoto map Digital line drawing CH/T 8023 Airborne Lidar Data Processing Technical Specifications CH/T 8024 Airborne Lidar Data Acquisition Technical Specifications CH/T 9008:1 Basic geographic information digital results 1:5001:10001:2000 digital line drawing CH/T 9009:1 Basic geographic information digital results 1:50001:100001:250001:500001:100000 Part 1: Number line drawing HY/T 119 Names and Codes of National Sea Islands HY/T:199 Technical specification for island naming ...