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GB/T 35228-2017Specifications for surface meteorological observation—Precipitation (English PDF)

地面气象观测规范降水量

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

July 1, 2018

Scope

GB/T 35228-2017 is the English-translated version of 地面气象观测规范降水量.

GB/T 35228-2017 is the Chinese standard "Specifications for surface meteorological observation—Precipitation". Its scope clause reads: This standard specifies the technical requirements and observational methods of precipitation observation in surface meteorological observation.

This standard applies to ground meteorological observation precipitation observation. Its clauses include terms and definitions; basic requirements.

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Document preview — GB/T 35228-2017

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

1 Scope
2 Normative references
3 Terms and definitions
4 basic requirements

1 Scope

This standard specifies the technical requirements and observational methods of precipitation observation in surface meteorological observation.

This standard applies to ground meteorological observation precipitation observation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 35221 General Rules for Surface Weather Observation

GB/T 35224 meteorological observation standard weather phenomenon

GB/T 35237 ground meteorological observation standard automatic observation

3 Terms and definitions

GB/T 35221, GB/T 35224 defined by the following terms and definitions apply to this document.

3.1 Precipitation

Unpublished, infiltrated, lost rainfall over a period of time, the depth of accumulation in the horizontal plane.

Note Records take one decimal place, in millimeters (mm).

3.2 Precipitation intensity

Precipitation per unit of time.

4 basic requirements

4.1 Observation content

4.1.1

Artificial observation Every day, measure the cumulative precipitation of two periods from 20.00 to 08.00 and 0800 to 20.00;

Continuous recording of volume.

4.1.2

Automatic observation of measuring minutes, hours, daily precipitation.

4.2 Observation equipment

Commonly used manual observation instruments Rain gauges, dump-type telemetry rainfall gauge, siphon rain gauge. Automatic observation of tipping bucket rain sensor,

Weighing precipitation sensors.

4.3 installation site

4.3.1

should be selected in a flat, sheltered place.

4.3.2

The distance between the obstacle and the instrument should be greater than twice the height difference between the obstacle and the instrument's water outlet.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

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