QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 02 Dec 2019 Station : Fort Denison,Sydney Latitude: 33 51.3S Country : Australia Longitude: 151 13.6E JASL # : 333A Time Meridian: 150E (GMT + 10 hr) GLOSS # : 057 Originator #:60370 NODC #: 33153101 Contributor : National Tidal Centre, Bureau of Meteorology PO Box 421 Kent Town SA 5071 South Australia AUSTRALIA Originator : Sydney Ports Corporation, sydneyports.com.au Original Data: HCR: analog, SR: digital Instrmnt Type: 1. 1965-2005 Float/well; Harrison chart reader (HCR) 2. 2006- Sea Ranger Sonic Water Level Sensor Model SR-10 (SR) Digitzd Intvl: HCR: hourly, SR: unconfirmed Present Data : Hourly, daily, and monthly values obtained by: Hourly : HCR: spot hourly, SR: 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 : 01 Jan 1965 - 31 Dec 2018 Gaps > 1 mon : 01 Jan 1982 - 31 Dec 1983;04 Jan 2000 - 17 Feb 2000 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1965-2018 Refernce Levl: The sea level heights are linked to the tide staff zero which is levelled to fixed benchmarks. The primary Tide Gauge Benchmark is "PM 50000" Plug in the northern wall of the Dept. of Lands Bldg., Bridge Street, Sydney. Zero Fort Denison Tide Gauge = -0.925m Australian Height Datum (AHD) Comment : The daily and monthly values are reasonable and do not reveal any obvious errors. The daily means agree well with altimetry. SPECIAL NOTE TO USERS OF NAT. TIDAL CENTRE DATA: As a user of this information, you are deemed to have read and accepted the conditions described in the Copyright Notice and Disclaimer at: http://www.bom.gov.au/other/copyright.shtml CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1965 100 none none none 1966 99 364-365 (05)082-(23)082 293-295 1967 99 1 none none 1968 99 235-239 (12)240-(00)241 none (15)244-(23)244 (13)245-(00)246 1969 99 184-188 (06)182-(22)182 none (07)183-(23)183 1970 98 237-242 (22)299-(14)300 none 1971 100 none (00)278-(11)278 none (01)281-(00)282 1972 100 none (11)015-(23)015 none (13)093-(20)093 1973 100 none none 284 1974 100 none none none 1975 100 none (05)034-(23)034 115,185,223-224, (12)167-(23)167 276-280,308 (13)176-(23)176 1976 100 none none none 1977 97 157-166,196-199 (01)060-(23)060 192-193 (14)120-(23)120 1978 100 none none none 1979 100 none (05)060-(22)060 none 1980 99 242-243 (01)244-(23)244 none 1981 99 338-341 (00)154-(12)154 none (13)155-(23)155 (00)355-(23)355 1982 0 1-365 none none 1983 0 1-365 none none 1984 100 none none none 1985 100 none (15)021-(23)021 none (01)046-(07)046 (00)080-(23)080 (13)081-(23)081 (16)085-(23)085 (00)364-(21)364 1986 99 114-117 (22)040-(21)041 none (00)211-(23)211 (23)306-(21)307 1987 99 90-93 (16)096-(00)097 56-57 (00)105-(23)105 1988 99 228-230 none none 1989 99 93-94 none none 1990 99 83-85 none 214-215 1991 100 none (23)167-(21)168 none (23)175-(21)176 (09)300-(21)300 1992 100 none (22)008-(21)009 none (01)363-(21)363 1993 96 26-28,35-40,41-46, none none 197-201 1994 97 122-124,171-172,238- (00)209-(22)209 none 240,359-365 1995 98 1-3,323-327,332-333 (02)017-(23)017 none (23)310-(22)311 (05)331-(00)332 1996 99 81-86 none none 1997 99 52-53,58-60 none none 1998 99 237-238,255-257 (06)258-(01)259 none 1999 99 293-294 (06)095-(03)096 none (08)131-(00)132 2000 88 4-48,355-356 none none 2001 100 none none none 2002 100 none none none 2003 99 286-288 none none 2004 100 none none none 2005 100 none none none 2006 100 none none none 2007 100 none none none 2008 100 none none none 2009 100 none none none 2010 100 none none none 2011 100 none none none 2012 100 none none none 2013 100 none none none 2014 100 none none none 2015 100 none none none 2016 100 none none none 2017 99 244-246 none none 2018 99 12-14 none none