1986-2018 near-surface sea temperature registered daily at the pumping station of the Nuclear Power Station of Flamanville (25 km south west of Cherbourg, Northwest Cotentin, sea Channel)
During 33 years, from January 1986 to December 2018, seawater temperature has then been registered daily at 4pm in the pumping station([1])-[#_ftn1] of the Nuclear Power Station of Flamanville located 25 km south west of Cherbourg. In order to cool their condensers, seawater has been drawn off with a water flows of 45 m3s-1. The monthly average seawater temperature minimum has been registered in February (8,90°C), with extremes values in 1986 (6,80°C) and 2016 (10,33°C). The maximum of the seawater temperature has been registered in august (17, 81°C), varying from 16,28°C in 1986 to 18,60°C in 2014. The annual average seawater temperature is 13,09°C when using monthly average values and 13,13°C using all 12053 individuals values. Mean annual values differ from 11,37 °C in 1986 to 14,18 °C in 2014. Before this time-series of 33 years, the only dataset available had been registered between 1904 and 1923 and had been published in 35 by J. R. Lumby([5])-[#_ftn5] at 12 meter depth to get an additional time-series of 999 seawater temperatures recorded from September 1976 to May 1980, in a discontinuous way. An increase of 1,2 °C in the annual mean seawater temperature is observed between the first and the third time-series. A key point when analysing those three time-series is to keep in mind the difference in the location, depth and in the sensor. Conclusions from comparisons of those three time series need to be done carefully. Those data are now updated each year before being published in an annual report for Ifremer and EDF([6])-[#_ftn6] about the ecological and fishery monitoring of Flamanville Nuclear Power Station location. ([1])-[#_ftnref1] Geographical coordinates of the pumping station : 49,53 N – 1,88 W ([2])-[#_ftnref2] LUMBY, J.R. 1935.- « Salinity and temperature of the English Channel ». Fishery Investigations, series II, vol. XIV, n°3 ([3])-[#_ftnref3] Coordonnées géographiques du R 26 : 49° 37’ N – 02° 14’ W ([4])-[#_ftnref4] Today Laboratoire National d'Hydraulique et Environnement (LNHE) ([5])-[#_ftnref5] Geographical coordinates of Fertex and Aanderaa : 49° 32’ 29’’N - 001° 53’ 49’’W ([6])-[#_ftnref6] ROPERT M., E. ANTAJAN, G. COURTAY, L. DREVES, A. FOVEAU, T. HERNÀNDEZ FARIÑAS, C. LOOTS, I. SCHLAICH , B. SIMON. (2019). Surveillance écologique et halieutique du site électronucléaire de Flamanville : Année 2018. RST/ODE/UL/LERN-19.001. Conv. EDF C4493C0850. 217 p.
Important Note: This submission has been initially submitted to SEA
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Date | 2020-01-01 |
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Date type | Creation: Date identifies when the resource was brought into existence |
Date | 2020-06-05 |
Date type | Revision: Date identifies when the resource was examined or re-examined and improved or amended |
Date | 2020-12-14 |
Date type | Publication: Date identifies when the resource was issued |
Date | 2023-04-14 |
Date type | Publication: Date identifies when the resource was issued |
Unique resource identifier | a53ad03f-3731-7313-3133-000000071341 |
Unique resource identifier |
Point of contact
Organisation name | SEA scieNtific Open data Edition |
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Delivery point | By address: IFREMER / IDM / SISMER - Scientific Information Systems for the SEA, IFREMER Centre de Bretagne, ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | data@seanoe.org |
Linkage | https://www.seanoe.org/ |
Role | Publisher: Publisher |
Point of contact
Organisation name | Ifremer, Scientific Information Systems for the sea |
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Delivery point | IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | sismer@ifremer.fr |
Linkage | http://data.ifremer.fr/SISMER |
Role | Dataset Holding Organisation: Dataset Holding Organisation |
Point of contact
Organisation name | Ifremer, Scientific Information Systems for the sea |
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Delivery point | IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | sismer@ifremer.fr |
Linkage | http://data.ifremer.fr/SISMER |
Role | Author: Party who authored the resource |
Descriptive keywords
GEMET - INSPIRE themes, version 1.0 | |
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SeaVoX salt and fresh water body gazetteer |
North Atlantic Ocean
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North Sea
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English Channel
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Atlantic Ocean
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European mainland
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Northeast Atlantic Ocean (40W)
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SeaDataNet Agreed Parameter Groups | Water column temperature and salinity |
SeaDataNet Parameter Discovery Vocabulary | Temperature of the water column |
SeaVoX Platform Categories | land/onshore structure |
MEDIN data format categories | Documents |
SeaDataNet Measurement Periodicity Categories | day to sub-week |
BODC-approved data storage units (Vertical Unit) | Metres |
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 |
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Reference System Information
Anchor | WGS 1984 |
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Hierarchy level | Dataset: Information applies to the dataset |
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Lineage
Statement | Quality controlled data|Les mesures techniques sont réalisées par EDF au sein du bâtiment de pompage (donc sous abri). Les pompes sont toujours immergées, même à basse mer de vives eaux. La mesure automatique de la température de l'eau de mer se fait toujours au même point fixe, à 2 ou 3 mètres au-dessus. |
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File identifier | a53ad03f-3731-7313-3133-000000071341 | ||||||||||||||
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Metadata language | English | ||||||||||||||
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 | ||||||||||||||
Hierarchy level | Dataset: Information applies to the dataset | ||||||||||||||
Date stamp | 2024-03-26T00:00:00 | ||||||||||||||
Metadata standard name | ISO 19115:2003/19139 | ||||||||||||||
Metadata standard version | 1.0 | ||||||||||||||
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Associated resources
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