GB/T 33671-2017 English PDF

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GB/T 33671-2017: Meiyu monitoring indices
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33671-2017	299	Add to Cart	4 days	Meiyu monitoring indices	Valid

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Basic data

Standard ID: GB/T 33671-2017 (GB/T33671-2017)
Description (Translated English): Meiyu monitoring indices
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 15,194
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 definition, index and calculation method of occurrence, discontinuity, end and intensity of rainy season in the Yangtze River and Huaihe River Basin. This standard applies to rainstorm monitoring, forecasting, assessment and service.

GB/T 33671-2017: Meiyu monitoring indices

---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.
Meiyu monitoring indices ICS 07.060 A47 National Standards of People's Republic of China Rainy season monitoring index 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

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. National Climate Center, Shanghai Regional Climate Center, Wuhan Regional Climate Center, Anhui Climate Center, Jiangsu Provincial Climate Center, Yangzhou Meteorological Bureau. The main drafters of this standard. Zhou Bing, Liang Ping, Wang Dongqian, Zhou Yuehua, Xu Min, Xiang Ying, Qin Mingrong.

Introduction

Meiyu is a unique weather and climate phenomenon in East Asia. It is the product of the East Asian summer monsoon stage activity, mainly in June to July Guijiang Huai River Basin to South Korea, Japan area. JAC basin perennial average rainfall of more than 300 mm, accounting for 30% of the total annual precipitation ~ 40%. Meiyu has significant interannual and interdecadal variation characteristics, regional characteristics are obvious, and the national economic development and people's lives closely turn off. This standard is formulated in order to promote the standardization and objectivity of the Meiyu decision in the Yangtze River and the Huaihe River Basin. Rainy season monitoring index

1 Scope

This standard stipulates the definition, index and calculation method of the occurrence, discontinuity, end and intensity of the rainy season in the Yangtze River and the Huaihe River Basin. This standard applies to rainstorm monitoring, forecast forecasting, assessment and service.

2 terms and definitions

The following terms and definitions apply to this document. 2.1 Meiyu Meiyu Mainly in June ~ July JAC basin area longer rain continuous precipitation process. 2.2 Daily precipitation dailyaccumulatedprecipitation 20 days before the day to 20.00 the cumulative precipitation. [QX/T 52-2007, definition 3.2] Note. The unit is in millimeters (mm). 2.3 Daily average temperature dailyaveragetemperature Day 02, 08.00, 14.00, 20.00 4 times the average temperature. [QX/T 50-2007, definition 3.1] Note. The unit is in degrees Celsius (C). 2.4 Rain rainday Observed days with a daily precipitation greater than or equal to 0.1 mm. 2.5 Subtropical high ridgeofsubtropicalhigh The average position of 500hPa west Pacific subtropical high ridge in the range of 110 ° ~ 130 ° E. [QX/T 304-2015, definition 4.3]

3 rain rain monitoring indicators

3.1 Monitoring Scope and Partition (1), the middle and lower reaches of the Yangtze River (Ⅱ), Jianghuai District (Ⅲ), see Appendix A in Figure A.1. The meteorological stations in the metropolitan area are. 65 stations in Jiangnan District, 157 stations in the middle and lower reaches of the Yangtze River, 55 stations in Jianghuai District, See Appendix B, Table B.1. ......

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