GB/T 19721.6-2023 English PDFUS$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 19721.6-2023: The issue of marine forecasts and warnings - Part 6: The issue of sea current forecasts Status: Valid
Basic dataStandard ID: GB/T 19721.6-2023 (GB/T19721.6-2023)Description (Translated English): The issue of marine forecasts and warnings - Part 6: The issue of sea current forecasts Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A45 Classification of International Standard: 07.060 Word Count Estimation: 9,919 Date of Issue: 2023-05-23 Date of Implementation: 2023-09-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 19721.6-2023: The issue of marine forecasts and warnings - Part 6: The issue of sea current forecasts---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. ICS 07:060 CCSA45 National Standards of People's Republic of China Marine Forecasts and Warnings Issued Part 6: Issuance of Ocean Current Forecast Released on 2023-05-23 2023-09-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee table of contentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Forecast release classification 2 4:1 Conventional current forecast 2 4:2 Emergency current forecast 2 4:3 Special current forecast 2 5 Forecast Release Requirements 2 5:1 Requirements for issuing conventional current forecasts 2 5:2 Requirements for issuing emergency ocean current forecasts 2 5:3 Requirements for issuing special ocean current forecasts 2 Appendix A (Normative) Flow Direction and Degree Comparison Table 3 Reference 4forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document is part 6 of GB/T 19721 "Issuance of Marine Forecasts and Warnings": GB/T 19721 has published the following parts: --- Part 1: Storm surge warning issued; --- Part 2: Wave forecast and warning issuance; --- Part 3: Sea ice forecast and warning issuance; --- Part 4: Tsunami warning issued; --- Part 5: Issuance of sea temperature forecast; --- Part 6: Current forecast release: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by the Ministry of Natural Resources of the People's Republic of China: This document is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283): This document was drafted by: National Marine Environment Forecasting Center, North Sea Forecasting and Disaster Reduction Center of Ministry of Natural Resources, East China Sea Forecasting and Disaster Reduction Center of Ministry of Natural Resources Disaster Center, South China Sea Forecast and Disaster Reduction Center of the Ministry of Natural Resources: The main drafters of this document: Li Yun, Kuang Xiaodi, Li Jingshi, Wang Zhaoyi, Zhang Miaoyin, Xu Jiangling, Xiao Wenjun, Zhou Shuihua:IntroductionGB/T 19721 "Issuance of Marine Forecasts and Warnings" aims to guide the issuance of marine forecasts and warnings, establish the forecast and The principles, contents and technical requirements of alert issuance are proposed to be composed of six parts: --- Part 1: Storm surge warning issued: The purpose is to stipulate the classification and content requirements of storm surge warnings in coastal areas of our country: --- Part 2: Wave forecasts and warnings issued: The purpose is to specify the classification and content requirements of wave forecasts and warnings: --- Part 3: Sea ice forecast and warning issued: The purpose is to define the classification of sea ice forecasts and warnings in the Bohai Sea and the northern part of the Yellow Sea, content requirements: --- Part 4: Tsunami warning issued: The purpose is to stipulate the classification and content requirements of tsunami warnings in coastal areas of our country: --- Part 5: SST forecast release: The purpose is to stipulate the classification and content requirements of SST forecast in my country: --- Part 6: Current forecast release: The purpose is to stipulate the classification and content requirements of ocean current forecasting in my country: Ocean current forecasting is one of the basic elements to describe the marine environment: Production, marine disaster prevention and mitigation, and marine national defense construction are all of great significance: With the development of coastal national economy, coastal provinces, autonomous regions, municipalities directly under the Central Government, The county (city) ocean forecasting station also successively releases the ocean current forecast for the sea area under its jurisdiction: In order to further improve the protection work of ocean current forecast for marine environment Therefore, there is an urgent need to formulate unified ocean current forecast release standards to establish the principles of ocean current forecast release and to unify the classification, content and technology of ocean current forecasts: Require: This document focuses on the classification of ocean current forecasts, and divides ocean current forecasts into conventional ocean current forecasts, emergency ocean current forecasts, and special ocean current forecasts: Three aspects, and put forward the relevant forecast content and technical requirements: It can not only guarantee daily maritime activities, but also meet the needs of maritime emergencies: The release of ocean current forecast products provides a unified framework, which facilitates the standardized production of ocean current forecast products, promotes the effective use of ocean current forecast functions, and makes the ocean current forecast more effective: Evaluate the risk of marine disasters in our country well and reduce the loss of marine disasters: Marine Forecasts and Warnings Issued Part 6: Issuance of Ocean Current Forecast1 ScopeThis document specifies the classification of ocean current forecasts and the requirements for issuing forecasts: This document is suitable for use by marine forecasting agencies when conducting ocean current forecasting services:2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 15920-2010 Oceanographic Terminology Physical Oceanography GB/T 39628-2020 Marine Forecast Terminology3 Terms and DefinitionsThe following terms and definitions defined in GB/T 15920-2010 and GB/T 39628-2020 apply to this document: 3:1 ocean current Macro flow of sea water: Note: Ocean currents are characterized by velocity and direction: [Source: GB/T 15920-2010, 2:3:1] 3:2 flow to currentdirection The direction the sea is going: Note: The unit of flow direction is degree (°), true north is zero, and measured clockwise: [Source: GB/T 15920-2010, 2:3:2] 3:3 flow ratecurrentspeed The distance traveled by seawater in unit time: [Source: GB/T 15920-2010, 2:3:3, modified] 3:4 ocean current forecast A marine forecast issued for a specific area and timeliness, including information on the flow of seawater, its direction, and velocity: [Source: GB/T 39628-2020, 4:1:4] 3:5 surface current surface current The upper boundary is the average current with a certain thickness on the free sea surface: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 19721.6-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 19721.6-2023_English as soon as possible, and keep you informed of the progress. 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