QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 08 Mar 2002 Station : Cendering Latitude: 05 15.9N Country : Malaysia Longitude: 103 11.2E JASL # : 320A Time Meridian: 120E (GMT + 8 hr) GLOSS # : 293 TOGA #: P006 NODC #: 10105301 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 Instrmnt Type: Magnetic Tape Type Tide Gauge, Model LLT- 3AD (Kyowa Shoko Co. LTD, Japan) Digitzd Intvl: 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) centered 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 : 30 Oct 1984 - 31 Dec 2001 Gaps > 1 mon : none Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1984-2001 Refernce Levl: 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 Cendering and an adjacent station, Kuantan, agree very well. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1984 17 none none none 1985 94 223-236,329-337 (00)217-(07)217 22-26,55,73-74,188- 189,284,286-287 1986 98 145-151 none 4-7,40-42,61-63, 137,276-277,306- 307,332-335 1987 100 none none 9-10,12,37,157-158, 336-337 1988 100 none none none 1989 100 none none none 1990 100 none none 234 1991 100 none none none 1992 99 328-329 none none 1993 99 76-78 none none 1994 98 240-249 none none 1995 100 none none none 1996 90 75-106,135-140 none none 1997 100 none none none 1998 100 none none none 1999 100 none none none 2000 100 none none none 2001 99 365 none none