| General | |
| GLOSS number | 33 |
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| Station name | Colombo |
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| Country | Sri Lanka |
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| Time zone | 82.5E, GMT + 5.5hrs |
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| Latitude (+ve N) | 6.93333 |
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| Longitude (+ve E) | 79.85 |
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| Ocean | Indian |
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| Observation period(s) | 1934-1957, 1953-1965, 1989- |
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| Responsible country | Sri Lanka |
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Authority responsible
for tide gauge | Dr. M. Merrifield, University of Hawaii, Dept. of Oceanography, 1000 Pope Road MSB 307, Honolulu, Hawaii 96822, U.S.A. |
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| GLOSS contact | Sri_Lanka |
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| Committed to GLOSS | No |
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| Operational | Yes |
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| Location map |  |
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| Instrumentation | |
| Float | Yes |
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| Pressure | No |
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| Bubbler | No |
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| Acoustic | No |
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| Radar | No |
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| Data | |
| Digital data | Yes |
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| Data acquisition rate | Hourly intervals |
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| High frequency data at UHSLC |    |
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| Real-time data available | No |
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| Data at PSMSL | |
| Annual MSL (RLR) data | Yes (Monthly metric data only available) |
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| MSL method | average of daily values |
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| PSMSL code | 520/003 |
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| Other relevant codes | UHSLC 115 |
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| Additional information | |
| Other relevant information | Daily values calculated using 119-point convolution filter (Bloomfield, 1976) centred on noon applied to the hourly data with respective periods of the 95, 50 and 5% amplitude points at 124.0, 60.2 and 40.2 hours. |
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| Last updated | 2002-12-11 |
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