Fort Denison (Sydney, Australia) Site History

History Summary

Station name Fort Denison, Sydney
Country Australia
Latitude 33° 51.0' S
Longitude 151° 14.0' E
GLOSS No. 057
Time Reference GMT (00-23 hours)
Contributor Flinders University of South Australia
School of Earth Sciences
Bedford Park, South Australia 5042
Instrument Type unconfirmed
Site of Gauge  
Observational Period 01 January 1985 - 31 December 1987
01 January 1996 - 31 December 1998

Tide gauge benchmark (TGBM) description

BM Control

PM 50000 Plug in northern wall of the Department of Lands Building, Bridge Street, Sydney.

Auxiliary Benchmarks

PM 101 Brass plug in the stone wall on Fort Denison.
PM 102 Brass plug in the stone wall on Fort Denison.
PM 98 Department of Lands survey mark located at Mrs Macquarie's Point.
Gas 2 Survey mark at University of NSW.

Benchmark Relationships

Tide Gauge Zero (TGZ) = 9.700m below TGBM
TGZ = 0.925m below Australian Height Datum (AHD)

Until notified otherwise, the sea level heights are assumed to be referred to the tide staff zero.

Quality Assessment

Comment

The daily and monthly values are reasonable and do not reveal any obvious errors.

Year CI (%) QI (%) Missing Data Replaced Gaps Or Bad Data Questionable Fluctuations
1985 100 100 none (15)021-(23)021,(01)046-(07)046,(00)080-(23)080,(13)081-(23)081,(16)085-(23)085,(00)364-(21)364, none
1986 99 98 113-117 (22)040-(21)041,(00)211-(23)211,(23)306-(21)307 21
1987 99 98 90-92 (16)096-(00)097,(00)105-(23)105 56-57
1996 98 98 81-86 none none
1997 98 98 52-53,58-60 none none
1998 100 100 none none none