| General | |
| GLOSS number | 242 |
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| Station name | Brest |
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| Country | France |
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| Time zone | 015E, GMT + 1hrs |
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| Latitude (+ve N) | 48.38333 |
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| Longitude (+ve E) | -4.5 |
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| Ocean | Atlantic |
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| Observation period(s) | Acoustic/float 1807-unknown, Radar 2004- |
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| Responsible country | France |
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Authority responsible
for tide gauge | EPSHOM, B.P. 426, 13 rue du Chatellier, 29275 Brest Cedex, France |
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| GLOSS contact | France |
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| Committed to GLOSS | Yes |
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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 | Yes |
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| Radar | Yes |
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| Data | |
| Digital data | Yes |
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| Data held at national organisation | Yes |
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| Real-time data available | Yes |
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| Benchmarks | |
| Tide gauge benchmarks | Repere A: repere no.1 NGF situe sur le polier est, pres de l'entree Nord du tunnel |
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| Benchmark relationships | Repere A = 5.589m
Repere B = 5.670m
Repere C = 5.481m
Repere D = 4.492m
Repere F = 4.807m
Repere G = 4.349m
Cote par rapport au zero NGF
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| Auxiliary benchmarks | Repere B: repere no.2 NGF situe a l'entree Sud du tunnel du chateau.
Repere C: macaron no.0-o NGF scelle a droite de l'entree NW des souterrains du chateau.
Repere D: rivet no.0-I NGF scelle sur le quai a droite de la passerelle d'acces au maregraphe.
Repere G: echelle E3 - graduation 8.80m.
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| Data at PSMSL | |
| Annual MSL (RLR) data |  |
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| Annual MSL (RLR) plot |  |
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| MSL method | Demerliac method for daily level, average of daily levels for monthly and yearly levels |
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| PSMSL code | 190/091 |
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| Additional information | |
| Other relevant information | Other benchmark:
Repere F: repere SH no.0 NGF situe sur la margelle du puits du maregraphe sans capuchon (installe par T.M. en 1963).
Met. data are held by Meteo France - centre departmental Finistere - aerodrome 29490 Guipavas.
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| Nearest Met. station | Meteo France - Guipavas statio |
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| Last updated | 1997-11-20 |
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