GB/T 35229-2017 English PDF

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GB/T 35229-2017: Specifications for surface meteorological observation -- Snow depth and snow pressure
Status: Valid

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Basic data

Standard ID: GB/T 35229-2017 (GB/T35229-2017)
Description (Translated English): Specifications for surface meteorological observation -- Snow depth and snow pressure
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 10,184
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Regulation (derived from): National Standards Bulletin 2017 No. 32
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35229-2017: Specifications for surface meteorological observation -- Snow depth and snow pressure

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specifications for surface meteorological observation - Snow depth and snow pressure ICS 07.060 A47 National Standards of People's Republic of China Surface weather observation specification snow depth and snow pressure 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

The "Ground Meteorological Observations" series of standards include the following 17 standards. --- GB/T 35221 General rules of ground meteorological observation; --- GB/T 35222 standard meteorological observation cloud; --- GB/T 35223 standard meteorological observation meteorological visibility; --- GB/T 35224 meteorological observation standard weather phenomenon; --- GB/T 35225 atmospheric meteorological observation standard pressure; --- GB/T 35226 meteorological observation standard air temperature and humidity; --- GB/T 35227 meteorological observation standard wind direction and wind speed; --- GB/T 35228 standard meteorological observation of precipitation; --- GB/T 35229 specifications for surface weather observation snow depth and snow pressure; --- GB/T 35230 ground meteorological observation norms evaporation; --- GB/T 35231 standard meteorological observation of radiation; --- GB/T 35232 meteorological observation standard sunshine; --- GB/T 35233 ground meteorological observation standard ground temperature; --- GB/T 35234 ground meteorological observation standard frozen soil; --- GB/T 35235 ground meteorological observation norms wire ice; --- GB/T 35236 ground meteorological observation standard ground conditions; --- GB/T 35237 automatic observation of ground meteorological observation norms. This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Meteorological Administration. This standard by the National Meteorological Instruments and Methods of Standardization Technical Committee (SAC/TC507) centralized. This standard drafting unit. Shanxi Meteorological Bureau, Shandong Meteorological Bureau, Meteorological Bureau of China Meteorological Bureau, Jilin Meteorological Bureau, Henan Province Meteorological Bureau, Heilongjiang Provincial Meteorological Bureau. The main drafters of this standard. Song Shibing, high people, painted red, Ge Chunfeng, Feng Dongxia, Cao Tie, Wang Jingye, Xie Yongde. Surface weather observation specification snow depth and snow pressure

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 snowpressure 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; ......

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