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GB/T 38950-2020: Cooling summer grades
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38950-2020 | English | 189 |
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Cooling summer grades
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GB/T 38950-2020
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Basic data | Standard ID | GB/T 38950-2020 (GB/T38950-2020) | | Description (Translated English) | Cooling summer grades | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 10,119 | | Date of Issue | 2020-07-21 | | Date of Implementation | 2020-07-21 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38950-2020: Cooling summer grades---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.
Cooling summer grades
ICS 07.060
A47
National Standards of People's Republic of China
Cool summer grade
2020-07-21 released
2020-07-21 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Meteorological Administration.
This standard is under the jurisdiction of the National Climate and Climate Change Standardization Technical Committee (SAC/TC540).
Drafting organizations of this standard. Wuhan Regional Climate Center, Shenzhen Shenzhongyuan Technology Co., Ltd., Fujian Province Climate Center, Hubei Province Meteorological Service
Service center.
The main drafters of this standard. Hong Guoping, Wang Miao, Yang Chengshuang, Zou Yan, Ren Yongjian.
Cool summer grade
1 Scope
This standard specifies the index, calculation method and classification of single station, region and national cool summer.
This standard applies to monitoring, forecasting, evaluation, scientific research and services in cool summer.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1
Single station weatherstation
A certain meteorological observation station, also called station or station.
[GB/T 33675-2017, definition 2.4]
2.2
Region
A certain geographic area.
Note 1.Such as natural climate regions, administrative regions, river basins, etc., excluding the entire country.
Note 2.Rewrite GB/T 33675-2017, definition 2.5.
2.3
Climatologicalnormals
Meteorological variables are the average values of the most recent 3 consecutive decades for 30 years.
Note 1.The climatic average is updated every 10 years. The variables in.2000 and before use the average value from 1961 to.1990 as their climatic average
Value, the variable from.2001 to.2010 uses the average value from 1971 to.2000 as its climatic average, and the variable from.2011 to 2020
The average value from 1981 to.2010 is used as its climatic average value, and so on.
Note 2.Rewrite GB/T 33675-2017, definition 2.2.
2.4
Summer mean air temperature
The average temperature from June to August that year.
Note. The unit is degrees Celsius (°C).
2.5
Summer mean air temperature anomaly
The difference between the average summer temperature and its climatic average.
Note. The unit is degrees Celsius (°C).
2.6
Coolingsummer
Summer when the average temperature in summer is lower than its climatic average.
Note. According to the scope of occurrence, it can be divided into single station cool summer, regional cool summer and national cool summer. According to the occurrence intensity, it can be divided into weak cool summer and strong cool summer (cold summer).
2.7
Coolingsummerindex
The amount that reflects the degree of coolness in summer.
Note. Including single station cool summer index, regional cool summer index and national cool summer index.
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