GB/T 31154-2014 English PDF

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GB/T 31154-2014: Hα solar flare classification
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31154-2014	139	Add to Cart	3 days	Hα solar flare classification	Valid

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Basic data

Standard ID: GB/T 31154-2014 (GB/T31154-2014)
Description (Translated English): H�� solar flare classification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 6,688
Date of Issue: 9/3/2014
Date of Implementation: 1/1/2015
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 solar H�� flare classification. This Standard is applicable to solar flares H�� detection and prediction.

GB/T 31154-2014: Hα solar flare classification

---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.
Hα solar flare classification ICS 07.060 A47 National Standards of People's Republic of China Hα solar flares grading 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

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 Satellite Meteorology and Space Weather Space Weather Monitoring and Warning Committee for Standardization Technical Committee (SAC/TC347/SC3) Centralized. This standard was drafted. National Satellite Meteorological Center (National Space Weather Monitoring and Warning Center). The main drafters of this standard. your music out, Zhaohai Juan, were bit country, Mao Tian, \u200b\u200bChen Po. Hα solar flares grading

1 Scope

This standard specifies the solar Hα flare classification. This standard applies to solar Hα flares monitoring and forecasting.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Solar flares solarflare Local area solar atmosphere suddenly lightened active phenomena, often accompanied by enhanced electromagnetic radiation and particle emission. 2.2 Hα solar flares Hαsolarflare In Hα line center wavelength of a hydrogen atom of the observed solar flares. NOTE. Hα line center wavelength of a hydrogen atom 656.28nm. 2.3 Hα solar flare brightness Hαsolarflarebrightness Hα solar flare brightness of the sun relative to the background when there is no flare. 2.4 Hα solar flare area Hαsolarflarearea During solar flares, Hα flare brightness maximum time observed brightness enhancement area of \u200b\u200bthe region. 3 solar Hα flares grading 3.1 General The strength level indicated by the sun flares Hα Hα flare area and brightness. 3.2 Hα solar flare area classification 3.2.1 Hα solar flares by area divided into. s, 1,2,3,4 five, see Table 1. 3.2.2 In the area of \u200b\u200bclassification prevail in Table 1 A1, A1 hemisphere sun area 10-6 is a standard flare unit of area. A2, A3 in order to Sun square kilometers square degrees and the corresponding hierarchical control units. Note. a standard flare area unit is equivalent to 3 × 106km2.1 = 48.5 square degrees of the sun flares standard unit of area = 1.467 × 108km2. Accuracy 3.2.3 Hα flare area should not be less than 10 units of solar hemisphere area, equivalent to 30 × 106km2. ......

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