Port Victoria-B (Seychelles) Site History

History Summary

Station Port Victoria-B
Country Seychelles
GLOSS No 273
Contributor
(1986-present)
TOGA Sea Level Center
Instrument Type (Jan 1988-Dec 1988) Float and stilling well gauge,
Fischer and Porter Analog-to-Digital Recorder
(1986-87,1989-91) Float and stilling well gauge,
Leupold and Stevens Analog-to-Digital Recorder (1992-) OTT
Site of Gauge The gauge is situated just off Hodoul island
Observational periods 1986-1992

Reference Level

All heights have been referred to the station tide staff zero which is linked to fixed benchmarks. This gauge is located about 100 yards from Port Victoria-A yet it is not levelled to the same bench marks.

Quality Assessment

Comment

The daily and monthly means do not reveal any obvious reference level shifts or trends and agree well with the nearest site, Praslin, except for possible reference level shifts on:

Year CI(%) QI(%) Missing Data Replaced Gaps or Bad Data Questionable Fluctuations
1986 60 59 none none none
1987 93 89 33-35,223-237,285-295 none none
1988 99 99 187-190 none 358-366
1989 94 92 170-181,240-251 none 37-43,51-57
1990 94 94 44-64,365 none 114-117
1991 97 97 1-7,141-143,301-303,365 none 296-300
1992 99   366 (13)134-(04)134 none