GB/T 46405-2025Metadata for space science data (English PDF)

National Standard of the People's Republic of China

ICS

07.040

Classification

A 46

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• Preface
• 1.Scope
• 2 Normative References
• 3.Terms and Definitions
• 4.Composition of space science data metadata
• 5.Metadata Description Methods
• 6.Dataset metadata
• 6.1 Dataset Identifier
• 6.1.1 Identifier Type
• 6.1.2 Identifier Number
• 6.1.3 Registration Date
• 6.2 Dataset Name
• 6.3 Dataset Aliases
• 6.4 Description
• 6.5 Keywords
• 6.6 Subject Classification
• 6.7 Thematic Classification
• 6.8 Related Personnel Information
• 6.8.1 Associated Personnel Identifier
• 6.8.2 Personnel Roles
• 6.9 Related Document Information
• 6.9.1 Associated Document Identifier
• 6.9.2 Remarks
• 6.10 Related Software Information
• 6.10.1 Associated Software Name
• 6.10.3 Access Address
• 6.10.4 Remarks
• 6.11 Information on related data management organizations
• 6.11.1 Identifier for Associated Data Management Organization
• 6.11.2 Management Type
• 6.12 Related Dataset Information
• 6.12.1 Association Dataset Identifier
• 6.12.2 Dataset Association Types
• 6.13 Source Information
• 6.13.1 Dataset Providers
• 6.13.2 Supported Project
• 6.13.3 Source Instrument Identifier
• 6.14 Processing Information
• 6.14.1 Processing Level
• 6.14.2 Storage Format
• 6.14.3 Encoding Method
• 6.14.4 Dataset Generation Date
• 6.14.5 Data set size
• 6.14.6 Number of data files.
• 6.14.7 Associated Data File Identifier
• 6.15 Time Information
• 6.15.1 Time range
• 6.15.2 Time resolution
• 6.15.3 Minimum time resolution
• 6.15.4 Maximum time resolution
• 6.15.5 Exposure time
• 6.15.6 Minimum exposure time
• 6.15.7 Maximum exposure time. 13 seconds
• 6.16 Spatial Region
• 6.17 Shared Information
• 6.17.1 Shared Status
• 6.17.2 Dataset Release Date
• 6.17.3 Shared data time range
• 6.17.4 Intellectual Property Category
• 6.17.5 Protection period
• 6.17.6 Sharing Method
• 6.17.7 Shared Scope
• 6.17.8 Shared Condition
• 6.17.9 Application Process
• 6.17.10 License
• 6.17.12 Acknowledgments
• 6.18 Notification Message
• 6.19 Metadata Publishing Organizations
• 6.20 Metadata first published date
• 6.21 Metadata latest release date
• 6.22 Metadata Version
• 6.23 Predecessor version identifier
• 6.24 Metadata Revision History
• 7 Data file metadata
• 7.1 Data File Identifier
• 7.1.1 Identifier Type
• 7.1.2 Identifier number
• 7.1.3 Registration Date
• 7.2 Filename
• 7.3 Relative Path
• 7.4 Time range
• 7.4.1 Start Time
• 7.4.2 End Time
• 7.4.3 Note
• 7.5 Related Data Parameter Identifiers
• 7.6 File size