Hobart (Australia) Site History
History Summary
| Station | Hobart |
|---|---|
| Country | Australia |
| Latitude | 42° 53.0' S |
| Longitude | 147° 20.0' E |
| GLOSS No | |
| Contributor | (1985-1989) TOGA Sea Level Center
(1990-1995) Flinders University of South Australia |
| Instrument Type | (1987-present) Float and stilling well gauge |
| Site of Gauge | |
| Observational periods | 1985 - present |
Reference Level
All data are referred to Tide Gauge Zero (TGZ) and linked into historic fixed benchmarks.
Benchmarks
| MBH No. 17(SPM 194)
(TGBM) |
Brass pin in concrete with steel cover box located at the north west corner of Watermens Dock. |
|---|---|
| SPM 192
(Auxilliary) |
Brass pin in concrete with steel cover box at west corner of junction of Elizabeth Street and Franklin Wharf. |
| SPM 193
(Auxilliary) |
Brass pin in concrete with steel cover box at north corner of junction of Brooke Street and Franklin Wharf. |
| SPM 9163
(Auxilliary) |
Brass disc grouted in raised edge of concrete wharf by gauge. |
| SPM 9217
(Auxilliary) |
Brass disc grouted in rock at rear of Salamanca Carpark. |
Benchmark Relationships
- TGZ = Local Chart Datum for both tide gauges, but with varying precision.
- TGZ = 3.061m below MBH No. 1
- TGZ = 1.200m below Australian Height Datum (Tasmania) AHD
Quality Assessment
Comment
The daily and monthly means do not reveal any obvious reference level shifts. The data appear to be of high quality with good timing.
| Year | CI(%) | QI(%) | Missing Data | Replaced Gaps or Bad Data | Questionable Fluctuations |
|---|---|---|---|---|---|
| 1985 | 69 | 69 | 135-142,144-147,181-186,193-203,315-318 | (03)112-(02)113, (03)168-(01)169 | none |
| 1987 | 19 | 19 | none | none | none |
| 1988 | 100 | 100 | none | none | none |
| 1989 | 99 | 99 | 257-258 | none | none |
| 1990 | 100 | 100 | none | none | none |
| 1991 | 100 | 100 | none | none | none |
| 1992 | 100 | 100 | none | none | none |
| 1993 | 100 | 100 | none | none | none |
| 1994 | 100 | 100 | none | none | none |
| 1995 | 96 | 96 | 48-51,293-303 | none | none |
