QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 13 Apr 2010 Station : Jarvis Latitude: 00 23.0S Country : USA Longitude: 160 02.0W JASL # : 045A Time Meridian: 150W (GMT - 10 hr) GLOSS # : none TOGA #: none NODC #: 50160201 Contributor : UH Sea Level Center 1000 Pope Rd. MSB 317 Honolulu, Hawaii 96822 Originator : Hawaii Institute of Geophysics Original Data: unconfirmed Instrmnt Type: unconfirmed Digitzd Intvl: unconfirmed Present Data : Hourly, daily, and monthly values obtained by: Hourly : unconfirmed 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 : 19 Aug 1957 - 23 Nov 1957 Gaps > 1 mon : none Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : No Operational : No Sat. Trans. : No Distribution : 1957-1957 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 changes in the reference level. The tide gauge was installed under the direction of Martin Vitousek. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1957 27 none none none