GB/T 32739-2016 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32739-2016	RFQ	ASK	3 days	Metadata for soil science data	Valid

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Basic data

Standard ID: GB/T 32739-2016 (GB/T32739-2016)
Description (Translated English): Metadata for soil science data
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B10
Word Count Estimation: 110,113
Date of Issue: 2016-08-29
Date of Implementation: 2017-03-01
Regulation (derived from): National Standard Announcement 2016 No.14
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 32739-2016: Metadata for soil science data

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Metadata for soil science data ICS 13.080; 35.240.70 B10 National Standards of People's Republic of China Soil Science Data Metadata 2016-08-29 released 2017-03-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III Introduction IV 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 acronym 3 5 agreement 3 5.1 Overview 3 5.2 Metadata Basic Attributes 3 5.3 UML model Figure 4 5.4 Data Dictionary 6 6 Requirements 6 6.1 General 6 6.2 Metadata and Metadata Entity Relationships 6 6.3 Base Package Description 7 6.4 Responsible Packet and Coverage Packet Description 9 7 Metadata Mode 9 7.1 basic package 9 7.2 Responsible packets and coverage packets 16 Appendix A (Normative Appendix) Data Dictionary 18 Appendix B (Normative Appendix) Core Metadata 59 Appendix C (normative) Standard for metadata expansion and metadata Appendix D (Normative Appendix) Abstract Test Suite 63 Appendix E (informative) Soil classification reference 66 Appendix F (informative) Application examples of soil science data metadata 78 Reference 105

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the Ministry of Agriculture of the People's Republic of China. This standard is under the responsibility of the National Soil Quality Standardization Technical Committee (SAC/TC404). The drafting of this standard. Nanjing Institute of Soil Science, Chinese Academy of Sciences, Chinese Academy of Sciences computer network information center, the Chinese Academy of Sciences Northeast Institute of Geography and Agroecology, Chengdu Institute of Mountain Hazards and Environment, Ministry of Water Resources, Chinese Academy of Sciences, Jiangsu Province Standardization Research Institute, Jiangsu Province Agricultural Science Research Institute. The main drafters of this standard. Yang Linzhang, Shi Jianping, Li Jianhui, Liu Ning, Zhao Jun, Gao Meirong, Yu Dongsheng, Hu Lianglin, Hou Yueli, Chang Zhizhou.

Introduction

Soil science data is widely used in agriculture, forestry, ecology, environmental protection and other fields, is an important strategic resource for scientific and technological innovation and economic development. Due to the lack of standardized metadata description of the characteristics of soil science data such as content, quality, soil classification and data generation methods, data Difficult to find, manage and use, it is difficult to give full play to its role in data sharing and interdisciplinary applications. Metadata is data about the data, the main role, including the description and management of data, to provide data query and retrieval methods to help data Change and transfer, is to achieve data standardization and data sharing, exchange and integration of one of the main means. This standard is based on the domestic and international standards, according to the soil science data collection, management and use of the characteristics of the development, is the soil science data set Metadata content standards. By providing a scalable, conceptual model for describing and archiving management data, the group of normalized metadata Management, promotion of soil science data sharing and exchange, protection of intellectual property rights. Soil Science Data Metadata

1 Scope

This standard defines the requirements, technical content, and conceptual models of soil science data metadata, specifying the minimum required for metadata application Data element sets (core metadata), and rules and methods for selecting, extending, and developing metadata-specific standards for metadata. This standard applies to the cataloging and description of soil science data sets, organization and management, and data services for data exchange websites.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 4880 (all parts) Language name code GB/T 7408 Data element and exchange format Information exchange date and time representation Subject Classification and Code GB/T 16831 Geographic Point Location Standard Representation Based on Coordinate Chinese Journal of Soil Science and Classification of land use status GB/T 21010

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Soil science data Field surveys, observations, experiments and other soil science research activities generated by the original data, through the map and measurement technology to form the soil The spatial data of the information, and the data formed by processing the data. 3.2 Soil classification According to the difference of soil properties and quantity, the soil classification system and its classification level were systematically divided into soil classification system. 3.3 Dataset dataset Identifiable data sets. Note 1. Data sets can be physically smaller in smaller data sets by, for example, spatial scope or data acquisition methods or feature type restrictions. one Zhang Fei digital hardcopy maps and charts can be considered a data set. Note 2. rewrite GB/T 19710-2005, definition 4.2. 3.4 Data entity A logical or physical storage unit that contains data content, and a data set may consist of one or more data entities. Examples. text files, relational database tables, spreadsheets, spatial grid data, and attribute files in GIS layers. ......

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