Data


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Data Notes



Extracted from Database

21 Oct 2024

NAN SHA

WARNING: QCFLAG EXISTS. PLEASE READ THE DOCUMENTATION.

Station Information

Station ID: 1730
Latitude: 9.55
Longitude: 112.88
Coastline code: 610
Station code: 3
Country: CHINA
Time span of RLR data: 1998 – 2022
RLR completeness (%): 83
Time span of metric data: 1988 – 2022
Metric completeness (%): 79
Date of last update: 28 Mar 2023

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at NAN SHA.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at NAN SHA.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Station Documentation

Link to RLR information.

Documentation added 1998-04-21

data for 1990-94 revised with values in dataset received in April 1998

Documentation added 2003-02-18

Data for 1997 were replaced by the new data obtained from University of Hawaii. Data for 1998-2002 are obtained from University of Hawaii.

Documentation added 2008-01-22

Data for the period 2003-2006 was downloaded from UHSLC The values were corrected for the Hawaii adjusted offset.

Documentation added 2008-01-29

Following the confirmation of bench mark details an RLR value of 5732 was applied to the data from 1990 onwards.

Documentation added 2008-01-29

Following confirmation of bench mark details RLR value 3688 was added to all data post 1998. See Elaines letter of 23.4.98. However the plot still looks suspect so the station was flagged.

Documentation added 2009-02-11

Following confirmation from the Chinese authority queried value for Nansha November 2008 was corrected from 384cm to 332cm. Plot now looks OK.

Documentation added 2019-02-05

There is no 2018 data available for station Nansha.

Data Authority

National Marine Data and Information Service (NMDIS)
No. 93 Liuwei Road
Tianjin 300171

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