GLOSS Station Handbook
Station information sheet
| General | |
| GLOSS number | 102 |
| Station name | Unalaska, Aleutian Is. AK |
| Country | U.S.A. |
| Time zone | 135W, GMT - 9hrs |
| Latitude (+ve N) | 53.88333 |
| Longitude (+ve E) | -166.53333 |
| Ocean | Pacific |
| Observation period(s) | 1955-1977, 1982-, 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 interval |
| 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 benchmark survey disk stamped 'NO 7 1956' set in a concrete footing of an old antenna near the Alaska Communication System Building. |
| Benchmark relationships | TGBM = 8.78 feet above mean lower low water (1960-1978 epoch) TGBM = 6.59 feet above mean sea level (1960-1978epoch) TGBM = 5.05 feet above mean higher high water (1960-1978 epoch) |
| Auxiliary benchmarks | NO 18 1973 2620 L 1982 NO 19 1973 2620 M 1982 NO 20 1974 TIDAL BM 21 1975 Site inspection 1993 states 2620 J 1979 'levels agree with history' 2620 K 1982 |
| Data at PSMSL | |
| Annual MSL (RLR) data | |
| Annual MSL (RLR) plot | |
| PSMSL code | 820/021 |
| Other relevant codes | UHSLC 041 |
| Additional information | |
| Last updated | 1993-12-05 |
Related BODC pages
| Sea level portal | World Ocean Circulation Experiment (WOCE) — Sea level | |
| UK Tide Gauge Network | Climate Variability and Predictability (CLIVAR) | |
| GLOSS project page |
Related external links
| Global Sea Level Observing System (GLOSS) | Permanent Service for Mean Sea Level (PSMSL) | |
| University of Hawai`i Sea Level Centre (UHSLC) | World Ocean Circulation Experiment (WOCE) |
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