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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 35234-2017: Specifications for surface meteorological observation -- Frozen soil Status: Valid
Basic dataStandard ID: GB/T 35234-2017 (GB/T35234-2017)Description (Translated English): Specifications for surface meteorological observation -- Frozen soil Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A47 Classification of International Standard: 07.060 Word Count Estimation: 6,633 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 35234-2017: Specifications for surface meteorological observation -- Frozen soil---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 - Frozen soil ICS 07.060 A47 National Standards of People's Republic of China Ground meteorological observation specification frozen soil 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 ForewordThe "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 was drafted unit. Jilin Meteorological Bureau, Meteorological Bureau of China Meteorological Bureau, Heilongjiang Meteorological Bureau, Shanxi Provincial Meteorological Bureau, Henan Provincial Meteorological Bureau. The main drafters of this standard. Ge Chunfeng, painted red, Feng Dongxia, Xie Yongde, Zhou Hailong, Song Shibing, Cao Tie. Ground meteorological observation specification frozen soil1 ScopeThis standard specifies the technical requirements and observational methods for the observation of frozen earth in surface meteorological observations. This standard applies to ground observation of frozen ground artificial observation.2 Normative referencesThe 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 Observation3 Terms and definitionsGB/T 35221 and defined by the following terms and definitions apply to this document. 3.1 Frozen soil frozensoil Soil containing moisture is frozen as the temperature drops below 0 ° C or below 0 ° C.4 technical requirements4.1 Observation content Measure the depth of the upper and lower limits of each frozen layer in centimeters (cm). 4.2 Observation time Observations begin when the surface temperature drops below 0 ° C or below 0 ° C until the soil is completely thawed. Daily observation at 08.00. 4.3 Observation Location Should choose to observe the site has a natural covering of the lot.5 observation instruments and methods5.1 Frozen soil 5.1.1 Structure Frozen soil consists of an outer tube and an inner tube. The outer tube is a 0cm scale marked hard rubber tube; the inner tube is a centimeter scale rubber Tube, closed at the bottom, the top and short metal pipe, sticks and iron cap connected. 5.1.2 Selection requirements Should be based on the local maximum depth of frozen soil may choose to use the length of the standard for frozen soil. ...... |
