GLOSS Station Handbook
Station information sheet
General | |
GLOSS number | 154 |
Station name | Sitka, AK |
Country | U.S.A. |
Time zone | 135W, GMT - 9hrs |
Latitude (+ve N) | 57.05 |
Longitude (+ve E) | -135.33333 |
Ocean | Pacific |
Observation period(s) | 1938-, being upgraded 2007 |
Responsible country | U.S.A. |
Authority responsible for tide gauge | NOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA |
GLOSS contact | USA |
Committed to GLOSS | Yes |
Operational | Yes |
Location map | |
Instrumentation | |
Float | Yes |
Pressure | Yes |
Bubbler | Yes |
Acoustic | Yes |
Radar | No |
Data | |
Digital data | Yes |
Data acquisition rate | 6 minute intervals |
Fast delivery data at UHSLC | |
High frequency data at UHSLC | |
Data held at national organisation | Yes |
Real-time data available | Yes |
Real-time data transmitted to GLOSS Fast Centre | |
Benchmarks | |
Tide gauge benchmarks | NOS tidal benchmark survey disk stamped 'TIDAL 26 1974' set in a rock outcrop south of the Russian Block House #1 off of Seward Street in Sitka, AK. |
Benchmark relationships | TGBM = 40.95 feet above mean lower low water (1960-1978 epoch) TGBM = 35.70 feet above mean sea level (1960-1978 epoch) TGBM = 31.81 feet above mean high water (1960-1978 epoch) |
Auxiliary benchmarks | 8 1924 TIDAL BM 1600K 1978 1600 J 1977 16 1941 1600 L 1982 22 1965 No stamping 1 TIDAL 24 1974 TIDAL 25 1974 Site inspection 1993 states 'levels agree with history' and 'BM City continues to show movement over years' |
Data at PSMSL | |
Annual MSL (RLR) data | |
Annual MSL (RLR) plot | |
PSMSL code | 426 |
Other relevant codes | UHSLC 559 |
Additional information | |
Last updated | 2002-12-11 |