GB/T 20481-2026 Pending National standards

GB/T 20481-2026 Grades of meteorological drought

Publish Date: 2026-03-31 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20481-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Meteorology

ICS Name: Geology, meteorology, and hydrology

Publish Date: 2026-03-31

Implement Date: 2026-07-01

Pages: 24 pages

Scope

This document specifies the calculation and grading of precipitation percentage deviation, relative humidity index, standardized precipitation index, standardized precipitation-evapotranspiration index, and comprehensive meteorological drought index.
This document is applicable to meteorological drought monitoring, evaluation, and scientific research in fields such as meteorology, agriculture, and hydrology.