DB43/T 2073-2021 降水强度等级

ICS07.060

CCSA47

43

湖南省地方标准

DB43/T2073—2021

降水强度等级

Gradeclassificationofrainfallintensity

2021-05-28发布2021-08-28实施

湖南省市场监督管理局发布

DB43/T2073—2021

目次

前言························································································································Ⅲ

1范围·····················································································································1

2规范性引用文件······································································································1

3术语与定义············································································································1

4降水强度分级标准···································································································2

5降水强度等级指标···································································································2

附录A（规范性）降水等级·························································································5

参考文献····················································································································6

I

DB43/T2073—2021

II

DB43/T2073—2021

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由湖南省气象局提出。

本文件由湖南省气象标准化技术委员会归口。

本文件起草单位：湖南省气象台。

本文件起草人：蔡荣辉、姚蓉、李巧媛、唐佳、苏涛。

III

DB43/T2073—2021

IV

DB43/T2073—2021

降水强度等级

1范围

本文件规定了24小时降水强度分级标准和降水强度等级指标。

本文件适用于气象、地质、水利、农业等相关部门对降水强度的应用和研究。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅

该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本文件。

GB/T27956—2011中期天气预报

GB/T27966—2011灾害性天气预报警报指南

GB/T28594—2012临近天气预报

GB/T20486—2017江河流域面雨量等级

GB/T21984—2017短期天气预报

GB/T33669—2017极端降水监测指标

DB43/T232—2004天气术语

DB43/T835—2013湖南极端降水事件监测方法与判别指标

3术语与定义

下列术语和定义适用于本文件。

3.1

降水量precipitation

降落在地面上的雨水未经蒸发、渗透和流失而积聚的深度,规定以毫米(mm)为深度单位，本文件仅

适用于液态降水。

[来源：DB43/T232—2004，2.4.1，有修改]。

3.2

降水量等级precipitati