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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 42073-2022: Climate risk index - Drought Status: Valid
Basic dataStandard ID: GB/T 42073-2022 (GB/T42073-2022)Description (Translated English): Climate risk index - Drought Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A47 Classification of International Standard: 07.060 Word Count Estimation: 10,162 Date of Issue: 2022-10-14 Date of Implementation: 2023-02-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 42073-2022: Climate risk index - Drought---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.Climate risk index -- Drought ICS 07.060 CCSA47 National Standards of People's Republic of China Climate Risk Index Drought Published on 2022-10-12 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Data collection 2 5 Calculation method 2 6 Risk classification 3 Appendix A (normative) Drought Risk Factor Calculation Method 4 Appendix B (normative) Percentile Method 6 Reference 7 forewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the China Meteorological Administration. This document is under the jurisdiction of the National Standardization Technical Committee on Climate and Climate Change (SAC/TC540). This document is drafted by. National Climate Center, Chinese Academy of Meteorological Sciences, Hohai University, Fujian Provincial Climate Center, China Water Resources and Hydropower Research Institute. The main drafters of this document. Song Yanling, Zhou Guangsheng, He Hai, Hou Wei, Lv Juan, Zhang Wenqian, Lin Xin, Zou Xukai, Wang Guofu, Cai Wenyue, Qu Yanping, Su Zhicheng, Zou Yan, Ma Miaomiao, Wu Zhiyong. Climate Risk Index Drought1 ScopeThis document describes the data collection and calculation methods of the arid climate risk index, and specifies the requirements for the classification of arid climate risk levels. This document applies to dry climate risk assessments and services.2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 20481-2017 Meteorological Drought Grade3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 Drought Drought Persistent water shortages due to imbalances in water revenue and expenditure or supply and demand. Note. Usually divided into four categories. meteorological drought, hydrological drought, agricultural drought and socioeconomic drought. 3.2 In a certain period of time, due to the imbalance of evapotranspiration and precipitation, the water expenditure is greater than the water income, resulting in the shortage of surface water. Phenomenon. [Source. GB/T 20481-2017, 3.1] 3.3 According to the formation principle of meteorological drought (3.2), a comprehensive index composed of precipitation, evapotranspiration and other elements is constructed. Note. It is used to monitor or evaluate the degree of surface water shortage caused by abnormal weather and climate in a certain area for a certain period of time. [Source. GB/T 20481-2017, 3.2] 3.4 drought intensity Characterize the degree of meteorological drought (3.2) conditions. Note. It is divided into four grades. mild drought, moderate drought, severe drought and extreme drought. 3.5 The sum of the absolute values of the meteorological drought index (3.3) with the drought intensity (3.4) reaching the grade of mild drought and above in a certain period of time. 3.6 It reflects the degree of the average drought intensity (3.4) and the duration of drought in a certain period of time. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 42073-2022_English be delivered?Answer: Upon your order, we will start to translate GB/T 42073-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 42073-2022_English with my colleagues?Answer: Yes. 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