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Chinese Standard: GB/T 20481-2026

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Grades of meteorological drought


Standard in brief
Scope of Application:  
本文件规定了降水量距平百分率、相对湿润度指数、标准化降水指数、标准化降水蒸散指数和气象干旱综合指数的计算和等级划分。
本文件适用于气象、农业、水文等领域的气象干旱监测、评估与科研。

Basic information
Standard No:GB/T 20481-2026
Standard Name:气象干旱等级
English Name:Grades of meteorological drought
Standard Status:现行
Release Date:2006-08-28
Effective Date:2026-07-01
Language of Publication:中文简体

Standard Classification
ICS Number:07.060
CCS Number:A47

Publication Information
Number of pages:24
Number of words:31 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2026-03-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:20481
Drafter:邹旭恺、高荣、张存杰、张文千、艳艳、朱业玉、屈艳萍、周广胜、张强、宋艳玲、李威、张学君、刘雅星
Drafting Organization:国家气候中心、中国气象科学研究院、河南省气候中心、中国水利水电科学研究院
Management Organization:全国气候与气候变化标准化技术委员会(SAC/TC 540)
Proposing Department:中国气象局

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