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GB/T 39420-2020: (Ocean Observation Terms)
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(Ocean Observation Terms)
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GB/T 39420-2020
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Basic data | Standard ID | GB/T 39420-2020 (GB/T39420-2020) | | Description (Translated English) | (Ocean Observation Terms) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A45 | | Word Count Estimation | 25,263 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-06-01 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39420-2020: (Ocean Observation Terms)---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.
(Ocean Observation Terms)
ICS 07.060
A45
National Standards of People's Republic of China
Ocean Observation Terms
2020-11-19 released
2021-06-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 General terms 1
3 Observation elements 2
3.1 Marine hydrological elements 2
3.2 Marine meteorological elements 9
4 Observation classification 12
4.1 Observation content 12
4.2 Observation area and content 12
4.3 Observation types and methods 13
5 Observation frequency 14
Reference 15
Index 16
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the Ministry of Natural Resources of the People's Republic of China.
This standard is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283).
Drafting organizations of this standard. National Marine Standard Metrology Center, National Marine Information Center, Hohai University, National Marine Technology Center, National
East China Sea Forecast Center of Bureau of Oceanography, North Sea Bureau of Ministry of Natural Resources.
The main drafters of this standard. Yuan Lingling, Wu Shuangquan, Song Xiangzhou, Jiang Min, Wang Yi, Li Yangang, Zhang Bo, Wang Ying, Chen Fangfang, Si Yujie,
Wang Weiyang and Fan Wenjing.
Ocean Observation Terms
1 Scope
This standard defines the terms involved in marine hydrological observation and marine meteorological observation.
This standard applies to related work and academic exchanges such as marine observation and forecasting, marine disaster prevention and mitigation, marine environmental protection, and marine scientific research.
2 General terms
2.1
World time
The standard time at Greenwich's location.
2.2
Beijing time
The standard time in the time zone of Beijing.
2.3
Japan
Delineate the beginning and end of a day for marine hydrology and marine meteorological observation.
Note. The tides, waves, surface sea temperature, surface sea water salinity, and sea ice in marine hydrological projects in the sea areas under the jurisdiction of the People's Republic of China are based on 24.00 Beijing time
(Excluding 24 o'clock) is the day boundary, and the sea light uses sunrise as the day boundary; the marine meteorological project uses 20 o'clock (including 20 o'clock) Beijing time as the day boundary. People's Republic of China
Marine hydrological and meteorological observations outside the jurisdiction of the sea are based on the local time zone as the day boundary.
2.4
School time
Calibrate the observation system clock with the standard time.
2.5
Travel time error
Observe the difference between the system clock and the standard time after the observation is completed.
2.6
Observation time
The time determined according to the observation requirements.
2.7
Supplementary test
When an item or element cannot be observed or the observation fails for some reason during the observation time, the measurement is performed within the specified time after the time
activity.
2.8
Missing test
No observations or supplementary measurements were made within the specified time.
2.9
Standard observation layer
Seawater observation levels divided according to different observation depth ranges.
Note. Generally can be divided into surface layer, multiple intermediate layers and bottom layer.
2.10
surface layer
The layer of water on the surface of the ocean.
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