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GB/T 33670-2017 English PDF

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GB/T 33670-2017: Assessment method for annual climatic status
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PDF similar to GB/T 33670-2017


Standard similar to GB/T 33670-2017

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Basic data

Standard ID GB/T 33670-2017 (GB/T33670-2017)
Description (Translated English) Assessment method for annual climatic status
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A47
Classification of International Standard 07.060
Word Count Estimation 11,170
Date of Issue 2017-05-12
Date of Implementation 2017-12-01
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
Summary This standard specifies the assessment index, grade and division method of climate year. This standard applies to national and regional climate assessment.

GB/T 33670-2017: Assessment method for annual climatic status

---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.
Assessment method for annual climatic status ICS 07.060 A47 National Standards of People's Republic of China Climate year assessment method 2017-05-12 released 2017-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1

2 terms and definitions

3 Temperature Year Index 2 4 annual precipitation index 2 5 Climate Year Index 2 6 Climate Year Level 2 Appendix A (normative) Standard deviation calculation method 4 Appendix B (normative appendix) Percentile calculation method 5 Appendix C (normative) Standardized Precipitation Index (SPI) Calculation Method 6 Reference 8

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Meteorological Administration. This standard is nationalized by the National Climate and Climate Change Standardization Technical Committee (SAC/TC540). The drafting of this standard unit. National Climate Center, Fujian Climate Center. The main drafters of this standard. Ye Dianxiu, Gao Rong, Zou Yan, Wang Yan. Climate year assessment method

1 Scope

This standard specifies the assessment index, grade and division method of climate year. This standard applies to national and regional climate assessment.

2 terms and definitions

The following terms and definitions apply to this document. 2.1 Climatic mean climaticnormal Meteorological elements 30 years or more average. Note. This standard takes the average of the last three years as a climatic average according to WMO regulations. Such as. between.2011 and 2020, the average climate taken The average for the period from 1981 to.2010; the average for the period from.2001 to.2010 is from 1971 to.2000. [GB/T 20481-2006, Definitions 2.11] 2.2 Standard deviation standarddeviation The average of the degree of deviation of each data in the sequence and its climate average. The specific calculation method is shown in Appendix A. 2.3 Percentile percentile Sort a set of data from small to large, and calculate the corresponding cumulative percentile, a certain percentage of the corresponding data is the percentage of this percentage The percentile. The specific calculation method is shown in Appendix B. [QX/T 280-2015, definition 2.2] 2.4 Temperature index of the year indexofannualtemperaturestatus Which reflects the degree of deviation of the temperature deviation from the climate average in one year. 2.5 Annual index of precipitation indexofannualpreciptationstatus A measure of the extent to which the precipitation deviates from the climate average in one year. 2.6 Climate year. Annualclimaticstatus Which comprehensively reflects the extent to which the major climatic elements deviate from the average of the climate in a given year. 2.7 Climate Year Index indexofannualclimaticstatus A comprehensive indicator of the climate year. 2.8 Climate Year Rating gradeofannualclimaticstatus Classification of Climate Year Index.

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