QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL Station : Kavieng Latitude: 02 35.1S Country : Papua New Guinea Longitude: 150 47.7E JASL # : 068A Time Meridian: 150E (GMT + 10 hr) GLOSS # : none TOGA #: P022 NODC #: 30152001 Contributor : The National Tidal Facility Flinders University of South Australia GPO Box 2100 Adelaide, 5001, South Australia AUSTRALIA Originator : CSIRO Division of Oceanography GPO Box 1538 Hobart, Tasmania 7001 AUSTRALIA Originator : same Original Data: digital Instrmnt Type: Leupold Stevens analog-to-digital recorder Digitzd Intvl: 15 minutes Present Data : Hourly, daily, and monthly values obtained by: Hourly : simple Gaussian filter 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 : 10 Sep 1984 - 31 Dec 1994 Gaps > 1 mon : 30 Nov 1986 - 28 Jan 1987 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1984-1994 Refernce Levl: All heights have been referred to the station tide staff zero which is linked to fixed bench marks Comment : The daily and monthly means reveal no apparent reference level changes or trends and agree well with the nearest stations, Manus and Madang. SPECIAL NOTE FROM THE DATA CONTRIBUTORS: Supply of sea level data subject to the following conditions: i) When any data supplied by the National Tidal Facility is used in any publication or report, the origin of such data shall be acknowledged in that publication or report in the following approved form:-- "Tidal {predictions) for {port} {are} supplied {constants} {station} {is} {material} {...} by the National Tidal Facility, The Flinders University of South Australia, Copyright reserved." ii) All material is supplied in good faith and is believed to be correct. It is supplied on the condition that no warranty is given in relation thereto, that no responsibility or liability for errors or omissions is, or will be, accepted and that the recipient will hold the Flinders Univer- sity of South Australia and the National Tidal Facility free from all such responsibility or liability and from all loss or damage incurred as a consequence of any error or omission. iii) The acceptance of material and computations from the National Tidal Facility of the Flinders University of South Australia will be deemed to include acceptance of the conditions of supply. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1984 31 none none none 1985 100 none none none 1986 83 148-178,334-365 none none 1987 89 1-28,166-181 none 280,283-285 1988 100 none none none 1989 97 149-161 none 284-287 1990 99 164-165 none none 1991 98 358-365 none none 1992 96 1-8,17-20,40-44 none none 1993 99 31-33,353-355 none none 1994 93 120-122,200-202,286- none none 288,290-301,308-320