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GB/T 21986-2008: Assessment of agroclimate impact: classification method of annual crop climate types
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21986-2008 | English | 169 |
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Assessment of agroclimate impact: classification method of annual crop climate types
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GB/T 21986-2008
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Basic data | Standard ID | GB/T 21986-2008 (GB/T21986-2008) | | Description (Translated English) | Assessment of agroclimate impact: classification method of annual crop climate types | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 7,748 | | Date of Issue | 2008-06-03 | | Date of Implementation | 2008-11-01 | | Quoted Standard | QX/T 50-2007 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 9, 2008 (No. 122 overall) | | 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 division method of crop climate model year. This standard applies to agricultural business climate impact assessment, research and teaching and other fields. | GB/T 21986-2008: Assessment of agroclimate impact: classification method of annual crop climate types
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Assessment of agroclimate impact. classfication method of annual crop climate types
ICS 07.060
A47
National Standards of People's Republic of China
Agriculture Climate Impact Assessment.
Climate division method of crop type
Posted 2008-06-03
2008-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard proposed by the China Meteorological Administration.
The standard by the China Meteorological Administration Policy and Regulation Department.
This standard by the Hubei Provincial Meteorological Bureau Wuhan Regional Climate Center is responsible for drafting, the Agriculture Department of Hubei Province, Hubei Province Meteorological Bureau to participate
Drafted.
The main drafters of this standard. WU Yi City, Chang Yuan industry, Renyao Wu, Zhang Zhen, Feng Ming, Li Guohua.
Agriculture Climate Impact Assessment.
Climate division method of crop type
1 Scope
This standard specifies the type of crops to climate division method.
This standard applies to the field of agro-climatic impact evaluation of operational, research and teaching.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
QX/T 50-2007 surface weather observing practices - Part 6. air temperature and humidity observations
3 Terms and definitions
QX/T 50-2007 established as well as the following terms and definitions apply to this standard.
3.1
In December the previous year to November of that year.
3.2
Or accumulated temperature, precipitation, sunshine agricultural year or the number of crop growth period.
3.3
Agricultural Meteorology element values \u200b\u200bdeviate from the average of the degree of sequence.
3.4
The percentage of total agricultural meteorological anomalies sequence elements mean in%.
3.5
Agricultural year, or different combinations of types of agricultural crop growth period meteorological elements.
3.6
The sum of a time period, the daily average temperature, in degrees Celsius (℃).
4 Agricultural abnormal meteorological elements calculation and grading methods
4.1 air temperature, accumulated temperature, calculated abnormality degree of sunshine
4.1.1 average value calculated according to the formula (1).
Yp = 1 state Σ
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