GLOSS Station Handbook
Station information sheet
General | |
GLOSS number | 150 |
Station name | Seward, AK |
Country | U.S.A. |
Time zone | 135W, GMT - 9hrs |
Latitude (+ve N) | 60.11666 |
Longitude (+ve E) | -149.43333 |
Ocean | Pacific |
Observation period(s) | 1923-, 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 | US C&GS tidal benchmark survey disk stamped 'NO 22 1966' set in a concrete curb supporting a guard rail near the Alaska Railroad Pier. |
Benchmark relationships | TGBM = 24.78 feet above mean lower low water (1960-1978 epoch) TGBM = 19.24 feet above mean sea level (1960-1978 epoch) TGBM = 15.11 feet above mean high water (1960-1978 epoch) |
Auxiliary benchmarks | NO 19 1966 5090 C 1978 NO 21 1966 5090 D 1982 NO 24 1973 5090 E 1982 TIDAL BM 26 1975 5090 F 1982 5090 A 1978 5090 B 1978 Site Inspection 1993 states 'levels agree with history' |
Data at PSMSL | |
Annual MSL (RLR) data | |
Annual MSL (RLR) plot | |
PSMSL code | 266 |
Other relevant codes | UHSLC 560 |
Additional information | |
Last updated | 1993-12-05 |