QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL Station : Jakarta Latitude: 06 05.8S Country : Indonesia Longitude: 106 52.8E JASL # : 161A Time Meridian: 105E (GMT + 7 hr) GLOSS # : none TOGA #: none NODC #: 30106601 Contributor : BAKOSURTANAL, Indonesia J. Raya Jakarta - Borog Km 46 P.O. Box 46 Cibinong, Indonesia Originator : same Original Data: analog Instrmnt Type: standard float and well gauge Digitzd Intvl: hourly Present Data : Hourly, daily, and monthly values obtained by: Hourly : spot hourly 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 : 01 Jan 1984 - 31 Jul 1985 Gaps > 1 mon : none Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : unconfirmed Operational : unknown Sat. Trans. : No Distribution : 1984-1985 Refernce Levl: The sea level heights are referred to the zero point assigned to the tide staff. Comment : The reference level appears steady. The timing is of fair quality. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1984 100 none none 210-214,246-249, 349-351 1984 58 none (11)154-(10)155 3-5,21-23,58-63