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GB/T 42176-2022: The grade of wave height
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42176-2022 | English | 149 |
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The grade of wave height
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GB/T 42176-2022
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Basic data | Standard ID | GB/T 42176-2022 (GB/T42176-2022) | | Description (Translated English) | The grade of wave height | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A45 | | Classification of International Standard | 07.060 | | Word Count Estimation | 6,633 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42176-2022: The grade of wave height---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
wave rating
Posted on 2022-12-30
2023-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This 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.
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 Environmental Forecasting Center.
The main drafters of this document. Li Benxia, Xing Chuang, Xu Rui, Meng Fanchang, Wang Juanjuan.
wave rating
1 Scope
This document specifies the classes of waves for wave observations and forecasts.
This document is applicable to wave observation, forecasting, warning and wave disaster investigation, risk assessment and production of analysis products, etc.
2 Normative references
The 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 14914.2 Specifications for Ocean Observation Part 2.Coastal Observation
GB/T 15920 Oceanographic Terminology Physical Oceanography
3 Terms and Definitions
The following terms and definitions defined in GB/T 14914.2 and GB/T 15920 apply to this document.
3.1
ocean wave
Waves in the sea caused by wind.
[Source. GB/T 15920-2010, 2.4.1]
3.2
Wave level gradeofwaveheight
The scale reflecting the wave height of ocean waves is determined according to the wave height on the sea surface.
3.3
Wave height waveheight
The height difference between adjacent peaks and troughs on a wave profile.
[Source. GB/T 15920-2010, 2.4.9]
3.4
1/3 height of highestone-thirdwave
Arrange the sequence of wave heights measured continuously in a certain period of time from large to small, and take the average value of the first 1/3 wave heights after sorting.
[Source. GB/T 15920-2010, 2.4.36]
3.5
1/10 height of highestone-tenthwave
Arrange the sequence of wave heights measured continuously in a certain period of time from large to small, and take the average value of the first 1/10 wave heights after sorting.
[Source. GB/T 15920-2010, 2.4.37]
3.6
Whitecap whitecap
When the wind and wave steeply exceed the limit, the white spray phenomenon occurs when the wave breaks.
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