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GB/T 45558-2025General rules for metadata of meteorological observation (English PDF)

气象观测元数据通则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

August 1, 2025

Scope

GB/T 45558-2025 is the English-translated version of 气象观测元数据通则.

GB/T 45558-2025 is the Chinese national standard covering the record that says where, with what and under what conditions an observation was made — the categories of metadata and the feature information in each, the description of every element in the normative annex, the quality control applied to the metadata itself, the collection, submission and storage of the record, and the alignment with the station, equipment and administrative division codes without which two stations' histories cannot be compared.

First edition, with the satellite data cataloguing standard GB/T 45557-2025. Under the China Meteorological Administration. In force from 1 August 2025. Issued on 25 April 2025, it has been in force since 1 August 2025.

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Document preview — GB/T 45558-2025

National Standard of the People's Republic of China

ICS: 07.060
Classification: A 47

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

ForewordIII
1 Scope1
2 Normative references1
3 Terms and Definitions2
4 Abbreviations2
5 Basic Requirements2
6 Category and feature information2
7 Element Information Description3
8 Quality Control3
Appendix A (Normative) Meteorological Observation Metadata Element Information4
Reference24

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 of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Meteorological Administration.

This document is under the jurisdiction of the National Meteorological Basic Information Standardization Professional Technical Committee (SAC/TC346).

This document was drafted by: China Meteorological Administration Meteorological Observation Center, National University of Defense Technology of the People's Liberation Army, Chifeng City, Inner Mongolia Autonomous Region

Meteorological Bureau, Wenjiang District Meteorological Bureau of Chengdu City, Sichuan Province, Juxian Meteorological Bureau of Shandong Province, Anhui Provincial Meteorological Information Center, and National Meteorological Information Center.

The main drafters of this document are: Shi Lijuan, Liu Lei, Liu Jian, Zheng Liying, Song Shuli, Wen Huayang, Wang Ying, and Qin Shiguang.

General principles for meteorological observation metadata

1 Scope

This document specifies the basic requirements for meteorological observation metadata, as well as its categories and element information, element information description and quality control.

This document applies to the collection, quality control, submission, storage and services of meteorological observation metadata.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

GB/T 2260-2007 Administrative division codes of the People's Republic of China

GB/T 2659.1-2022 Codes for the names of countries and regions and their administrative divisions Part 1: Country and area codes

GB 3100-1993 International System of Units and Its Application

GB/T 3102.1-1993 Quantities and units of space and time

GB/T 7408.1-2023 Date and time information exchange representation Part 1: Basic principles

GB/T 16831-2013 Standard representation of geographic point locations based on coordinates

GB/T 17297-1998 China's climate regionalization names and codes Climate zones and climate regions

GB 31221-2014 Meteorological Observation Environmental Protection Specification Ground Meteorological Observation Station

GB 31222-2014 Meteorological Observation Environmental Protection Specification High-altitude Meteorological Observation Station

GB 31223-2014 Meteorological detection environmental protection specification weather radar station

GB 31224-2014 Meteorological Observation Environmental Protection Specification Atmospheric Background Station

GB/T 33674-2017 Core metadata for meteorological datasets

GB/T 35219-2017 Survey and evaluation method for meteorological detection environment at ground meteorological observation stations

GB/T 40215-2021 Coding rules for meteorological observation equipment JJF1001-2011 General metrological terms and definitions JJF1059.1-2012 Evaluation and Expression of Measurement Uncertainty

Remaining clauses in the full document

3 Terms and Definitions
4 Abbreviations
5 Basic Requirements
6 Category and feature information
7 Element Information Description
8 Quality Control

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 45558

Edition	Title	Revision	Status
GB/T 45558-2025	General rules for metadata of meteorological observation	current edition	Current

This page sells the current edition, GB/T 45558-2025. Earlier editions are listed for reference only.

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