GB/T 35229-2017Specifications for surface meteorological observation—Snow depth and snow pressure (English PDF)
地面气象观测规范 雪深与雪压
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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 35229-2017 is the English-translated version of 地面气象观测规范 雪深与雪压.
GB/T 35229-2017 is the Chinese standard "Specifications for surface meteorological observation—Snow depth and snow pressure". Its scope clause reads: This standard specifies the technical requirements and observational methods for snow depth and snow pressure observation in surface meteorological observation.
This standard applies to the observation of snow depth and snow pressure in surface meteorological observation. Its clauses include terms and definitions; technical requirements.
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Document preview — GB/T 35229-2017
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
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 technical requirements
1 Scope
This standard specifies the technical requirements and observational methods for snow depth and snow pressure observation in surface meteorological observation.
This standard applies to the observation of snow depth and snow pressure in surface meteorological 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
3 Terms and definitions
GB/T 35221 and defined by the following terms and definitions apply to this document.
3.1 Snow deep snowdepth
The vertical depth of the snow surface to the underlying surface.
Note. The unit is centimeters (cm).
3.2 Snow pressure
Snow weight per unit area.
Note. The unit is grams per square centimeter (g/cm2).
4 technical requirements
4.1 Observation equipment
4.1.1 snow deep manual observation tools
Manual measurement of snow depth snow gauge, see Appendix A.
4.1.2 snow deep automatic observation equipment
4.1.2.1 instrument principle and composition
Deep Snow Automatic Observer based on the principle of ranging design, the general use of ultrasonic or laser sensors, sensors, collectors, power supplies, communications
Components and other components.
4.1.2.2 Performance
Measurement performance should be achieved.
--- Measuring range .0mm ~.2000mm;
......
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
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