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GB/T 31153-2014: Climatic evaluation methods of precipitation resource in the catchment area of small hydropower stations
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31153-2014 | English | 279 |
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Climatic evaluation methods of precipitation resource in the catchment area of small hydropower stations
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GB/T 31153-2014
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Basic data | Standard ID | GB/T 31153-2014 (GB/T31153-2014) | | Description (Translated English) | Climatic evaluation methods of precipitation resource in the catchment area of small hydropower stations | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 12,126 | | Date of Issue | 9/3/2014 | | Date of Implementation | 1/1/2015 | | Quoted Standard | GB/T 20486; QX/T 52-2007; QX/T 65-2007; SL 21-2006 | | Regulation (derived from) | People's Republic of China Announcement of Newly Approved National Standards No. 21 of 2014 | | 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 method of precipitation resources of small hydropower stations catchment climate evaluation. This Standard is applicable to the installed capacity of small hydropower stations precipitation resource catchment area of ??climate | GB/T 31153-2014: Climatic evaluation methods of precipitation resource in the catchment area of small hydropower stations
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Climatic evaluation methods of precipitation resource in the catchment area of \u200b\u200bsmall hydropower stations
ICS 07.060
A47
National Standards of People's Republic of China
Small hydroelectric power station sinks precipitation water resources area
Climate Evaluation Method
Issued on. 2014-09-03
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 precipitation observation site 2
Select 2 certified reference station 5
Precipitation Resources 6 catchment Climate Evaluation Method
Appendix A (normative) consistent calculation methods 6
References 8
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by the China Meteorological Administration.
This standard by the national meteorological disaster prevention and mitigation Standardization Technical Committee (SAC/TC345) centralized.
This standard was drafted. Guangxi Zhuang Autonomous Region Meteorological Bureau.
The main drafters of this standard. new Huang, Su Zhi, Zhou Shaoyi, Lee Soo deposit, Li Qiang, the status of snow sources, Huang Meili, Fan million new, Liao Xueping.
Small hydroelectric power station sinks precipitation water resources area
Climate Evaluation Method
1 Scope
This standard specifies the method of precipitation resource small hydroelectric station catchment climate evaluation.
This standard applies to the installed capacity of 5MW ~ 50MW of small hydro power station catchment rainfall climatic resources evaluation.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 20486 River area rainfall Ratings
QX/T 52-2007 surface weather observing practices - Part 8. Rainfall observations
QX/T 65-2007 surface weather observing practices - Part 21. Defect recording process and incomplete records Statistics
SL21-2006 precipitation observation specification (with provision in)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Catchment catchmentarea
All the main catchment area tributaries upstream precipitation of small hydroelectric stations.
Note. generally the watershed boundary and other watershed boundary.
3.2
Area Rainfall arearainfal
The average annual precipitation on a certain area within a certain period of time.
3.3
Rainstorm rainstorm
24h rainfall of 50mm or more precipitation.
3.4
Precipitation Resources precipitationresource
The Department of total precipitation water area. Total precipitation for the catchment area rainfall multiplied by the catchment area.
Note. The calculation method, see the formula (1).
3.5
Precipitation guaranteed rate accumulatedfrequencyofprecipitation
Precipitation is greater than or equal to a threshold value of the cumulative frequency.
NOTE. indicates the reliability of greater than or equal to a boundary precipitation.
3.6
Wet years wetyear
Annual precipitation sequence (in ascending order) ranked in the sequence of precipitation 75% to 95% of the year.
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