Quality assessment of sea level data by the TOGA Sea Level Centre/National Oceanographic Data Center Joint Archive for Sea Level.
Station
Lumut
Latitude
04° 14.4' N
Country
Malaysia
Longitude
100° 36.8' E
JASL #
143A
Time Meridian
120° E (GMT + 8 hr)
GLOSS #
043
TOGA #
I034
NODC #
10104001
Contributor:
Dept. of Survey and Mapping, Jalan Gurney, 50578 Kuala Lumpur, Malaysia
Originator:
Same
Original Data:
Digital; samples taken every 10 sec; 50 sec average
Instrument Type:
Magnetic Tape Type Tide Gauge, Model LLT- 3AD (Kyowa Shoko Co. LTD, Japan)
Digitized Interval:
One hour
Present Data:
Hourly, daily, and monthly values obtained by:
Hourly:
Five-point least squares approximation (more information available from the address above).
Daily:
119-point convolution filter (Bloomfield, 1976) centred on noon applied to the hourly data with respective periods of the 95, 50, and 5% amplitude points at 124.0, 60.2, and 40.2 hours.
Monthly:
Simple average of all daily values; calculated if 7 or fewer days are missing.
Span of Data:
12 December 1984 - 08 January 1987
Gaps > 1 Month:
None
Time Reference:
GMT (hours 00-23)
Space-filler Flag:
-9999
Units:
Millimeters
Missing Data Flag:
99999
Reference Level:
The sea level heights are referred to the zero point assigned to the tide gauge. Bench mark information is available upon request from the contributors.
Comment:
The daily and monthly means of Lumut and an adjacent station, Langkawi, agree very well.
