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GB/T 42074-2022: Division of climatic seasons
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| GB/T 42074-2022 | English | 189 |
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Division of climatic seasons
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GB/T 42074-2022
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Basic data | Standard ID | GB/T 42074-2022 (GB/T42074-2022) | | Description (Translated English) | Division of climatic seasons | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 10,191 | | Date of Issue | 2022-10-14 | | Date of Implementation | 2023-02-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42074-2022: Division of climatic seasons---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.
Division of climatic seasons
ICS 07.060
CCSA47
National Standards of People's Republic of China
climate season
Published on 2022-10-12
2023-02-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Climatic Seasonal Division Indicators 2
5 Perennial season division method 2
6 Seasonal division method of the current year 3
Reference 6
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by the China Meteorological Administration.
This document is under the jurisdiction of the National Standardization Technical Committee on Climate and Climate Change (SAC/TC540).
This document is drafted by. National Climate Center, Hohai University, Fujian Provincial Climate Center.
The main drafters of this document. Chen Yu, Zhao Lin, He Hai, Lin Xin, Zeng Hongling, Wu Zhiyong, Jiang Yundi, Li Yuan.
climate season
1 Scope
This document specifies the index for the division of climate seasons, and describes the methods for determining the perennial seasons and the current year seasons.
This document applies to business and services related to climate seasons in meteorology, agriculture, hydrology, tourism and other industries.
2 Normative references
There are no normative references in this document.
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
climaticseason
Time period divided by temperature.
Note. A year is usually divided into four seasons in the order of spring, summer, autumn and winter.
3.2
5-day moving average
Taking a certain day and the previous 4 days as a group of data and calculating the average value of each group of data in a daily delay.
3.3
stable pass steadilypass
After the first five consecutive 5-day moving averages (3.2) meet a certain climate seasonal indicator threshold, the 5-day moving average sequence no longer appears
below or above this threshold.
3.4
climatologicalnormal
climatic state
perennial value
The average value of meteorological elements for the last 3 consecutive years.
Note. According to the relevant regulations of the World Meteorological Organization (WMO), it is updated every year, that is, during the period from.2011 to 2020, the data from 1981 to.2010 is used.
The average is taken as its climatic average, and so on.
[Source. GB/T 21983-2020, 2.2]
3.5
normalclimaticseason
Climatic seasons (3.1) determined by the perennial daily mean temperature series.
Note. Including start and end time and length.
3.6
Climatic season (3.1) determined by the current year's daily mean temperature series.
Note. Including start and end time and length.
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