Christmas (Australia) Data Quality Assessment
Quality Assessment of sea level data by the TOGA Sea Level Center/National Oceanographic Data Centre Joint Archive for Sea Level.
||10° 25.0' S
||105° 40.0' E
||105E (GMT + 7 hr)
||CSIRO Division of Oceanography GPO Box 1538 Hobart, Tasmania 7001
||Leupold Stevens analog-to-digital recorder
||Hourly, daily, and monthly values obtained by:
||Three-point Hanning centred on the hour
||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
||Simple average of all daily values; calculated if 7 or fewer days are missing
|Span of Data:
||28 September 1986 - 09 October 1987
|Gaps > 1 Month:
||13 March - 18 April 1987; 10 June - 25 July 1987
||GMT (hours 00-23)
|Missing Data Flag:
||All heights have been referred to the station tide staff zero which is linked to fixed bench marks.
||The daily and monthly means reveal no apparent reference level changes or trends. However, comparisons with Cocos Island suggest a reference level shift of about +10 cm for July - October, 1987.