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GB/T 19721.3-2017 English PDF

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GB/T 19721.3-2017: The issue of marine forecasts and warnings -- Part 3: The issue of sea ice forecasts and warnings
Status: Valid

GB/T 19721.3: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 19721.3-2017	English	119	Add to Cart	3 days [Need to translate]	The issue of marine forecasts and warnings -- Part 3: The issue of sea ice forecasts and warnings	Valid	GB/T 19721.3-2017
GB/T 19721.3-2006	English	319	Add to Cart	3 days [Need to translate]	The issue of marine forecasts and warnings -- Part 3: The issue of sea ice forecasts and warnings	Obsolete	GB/T 19721.3-2006

PDF similar to GB/T 19721.3-2017

Standard similar to GB/T 19721.3-2017

GB/T 33679 GB/T 33673 DZ/T 0175 GB/T 19721.6 GB/T 19721.5 GB/T 19721.4

Basic data

Standard ID	GB/T 19721.3-2017 (GB/T19721.3-2017)
Description (Translated English)	The issue of marine forecasts and warnings -- Part 3: The issue of sea ice forecasts and warnings
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	A45
Classification of International Standard	07.060
Word Count Estimation	6,654
Date of Issue	2017-03-09
Date of Implementation	2017-10-01
Older Standard (superseded by this standard)	GB/T 19721.3-2006
Quoted Standard	GB/T 15920-2010
Regulation (derived from)	National Standard Notice No. 5 of 2017
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 classification and content requirements of sea ice forecast and alarm in the northern part of the Bohai Sea and the Yellow Sea. This standard applies to marine forecasting agencies to use sea ice forecasting and warning services.

GB/T 19721.3-2017: The issue of marine forecasts and warnings -- Part 3: The issue of sea ice forecasts and warnings

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The issue of marine forecasts and warnings - Part 3. The issue of sea ice forecasts and warnings ICS 07.060 A45 National Standards of People's Republic of China Replace GB/T 19721.3-2006 Marine forecast and alarm release Part 3. sea ice forecast and warning release Part 3. Theissueofseaiceforecastsandwarnings 2017-03-09 released 2017-10-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

GB/T 19721 "Marine forecast and alarm release" is divided into three parts. - Part 1. Storm surge alarm release; - Part 2. Wave Forecast and Alert Release; Part 3. Sea ice forecast and warning release. This part is part 3 of GB/T 19721. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section replaces GB/T 19721.3-2006 "Marine Forecast and Alert Release Part 3. Sea Ice Forecast and Alert Release". versus GB/T 19721.3-2006 compared to the main changes are as follows. --- Added normative reference documents (see Chapter 2); - the term "sea ice disaster", "sea ice" and "single layer ice thickness" (see 2.2, 2.4, 2.5 in.2006); - the terms and definitions of the "outer edge of the sea ice" have been modified (see 2.3, version 2.3 of the.2006 edition); - the term "ice age", "ice age", "ice thickness" and "ice volume" (see 3.4, 3.5, 3.6, 3.7) - the deletion of "purpose" and "basic principles" (see chapter 3, chapter 4 of the.2006 edition); - modified alarm rating (see Chapter 4, 5.1 of.2006); - modified the requirements for forecasting and warnings (see Chapter 5, Chapter 5 of the.2006 edition); - "Archive", "Publish", "Archive" (see 5.3, 5.4, 5.5, 5.6 in.2006); - an informative appendix was deleted (see Appendix A, Appendix B of the.2006 edition); --- Added reference. This section is presented by the State Oceanic Administration. This part is headed by the National Marine Standardization Technical Committee (SAC/TC283). This part is drafted by the National Marine Environment Forecasting Center. This part of the main drafters. Zhang Qiwen, Liu Yu, Tang Mao Ning, Zhao Qian. This part of the previous version of the standard to replace the release of the situation. --- GB/T 19721.3-2006. Marine forecast and alarm release Part 3. sea ice forecast and warning release

1 Scope

This part of GB/T 19721 specifies the classification and content of sea ice forecasts and warnings in the northern Bohai Sea and the Yellow Sea. This section applies to marine forecasting agencies for the use of sea ice forecasting and warning services.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 15920-2010 Oceanography Terminology Physical oceanography

3 terms and definitions

GB/T 15920-2010 Definitions and the following terms and definitions apply to this document. For ease of use, the following is repeated Some terms and definitions in GB/T 15920-2010. 3.1 Sea ice seaice All the ice that appears at sea is called sea ice, except for ice that is frozen directly from seawater, and it includes river ice and lake ice from land And glacier ice. 3.2 Floats floatingice Floating on the sea ice [GB/T 15920-2010, definition 2.6.5] 3.3 Sea ice outer line seaiceedge Floating area and sea water boundary line. 3.4 Floating range floatingiceextent The distance from the bottom of the bay to the outer edge of the sea ice. 3.5 Glacial seaiceperiod The time interval between ice age and ice days. [GB/T 15920-2010, definition 2.6.43] 3.6 Ice thickness The vertical distance between ice and ice. [GB/T 15920-2010, definition 2.6.44]

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