GO-SHIP A25 - OVIDE 2018 Cruise data

Date 2022-04
Temporal extent 2018-06-11 -2018-07-14
Author(s) Lherminier PascaleORCID1, Perez Fiz F.ORCID2, Branellec PierreORCID1, Mercier HerleORCID3, Velo AntonORCID2, Messias Marie-JoséORCID4, Castrillejo MaxiORCID5, Reverdin GillesORCID6, Fontela MarcosORCID7, Baurand Francois8
Contributor(s) Le Bihan CarolineORCID, Reynaud ThierryORCID, Hamon Michel, Le Bot Philippe, Leizour Stephane, Terre Terrillon Aouregan, Kermabon Catherine, Theetten SebastienORCID, Le Toullec TristanORCID, Bellec PatriceORCID, Barbot SimonORCID, Murphy Garry
Affiliation(s) 1 : Ifremer, ODE-LOPS, Plouzané, France
2 : CSIC, IIM, Vigo, Spain
3 : CNRS, ODE-LOPS, Plouzané, France
4 : Univ. of Exeter, Exeter, U.K.
5 : ETH-Zürich, Switzerland
6 : CNRS, LOCEAN, Paris, France
7 : CCMAR, Faro, Portugal
8 : IRD, IMAGO, Plouzané, France
DOI 10.17882/87394
Publisher SEANOE
Keyword(s) North Atlantic, Water mass, AMOC, Currents, OVIDE, GO-SHIP, Hydrography, Carbon
Abstract

This dataset contains the OVIDE 2018 qualified measurements of 


  • the hydrographic CTD-02 (genuine netCDF and zipped text files in WHP format)

  • bottle data (WHP format with traditionnal headers)

  • Ship Acoustic Doppler Current Profilers (OS 38kHz and 150 kHz, CASCADE netCDF format)

  • Lowered Acoustic Doppler Current Profilers (WH150 downlooking and WH300 uplooking, zipped ascii format from LDEO software)
Licence CC-BY-NC-SA
Utilisation OVIDE 2018 data are published without any warranty, express or implied. The user assumes all risk arising from his/her use of the data. OVIDE data are intended to be research-quality and include estimates of data quality and accuracy, but it is possible that these estimates or the data themselves contain errors. It is the sole responsibility of the user to assess if the data are appropriate for his/her use, and to interpret the data, data quality, and data accuracy accordingly. The OVIDE group welcomes users to ask questions and report problems to the contact addresses listed in the data files.
Acknowledgements Thanks to the crew of N/O Thalassa led by Captain Christophe Maguin. We also acknowledge the French Oceanographic Fleet, the UMS Flotte, Ifremer, the LEFE program funded by CNRS, the European project AtlantOS, the Spanish Ministry of Economy and Competitiveness. This work was also supported by the ISblue project, Interdisciplinary graduate school for the blue plante (ANR-17-EURE-0015) and "Laboratoire d'Excellence" LabexMER (ANR-10-LABX-19) and co-funded by a grant from the French government under the program "Investissements d'Avenir".
Sensor metadata

HYDROGRAPHIC data:

WHP-Exchange format information: https://exchange-format.readthedocs.io/en/latest/

  • Bottle data:

Cruise name: OVIDE 2018
Section ID: GO-SHIP A25
Ship name: N/O Thalassa
EXPOCODE: 35TH20180611 
Dates: 2018/06/11 to 2018/07/14
Region: North Atlantic: Spain to Greenland to France
Chief Scientist: Pascale Lherminier (LOPS-France)
106 stations 
Hydro: Who - Pascale Lherminier; Status - final
       Report: Branellec Pierre et al. (2019): OVIDE 2018 - CTD-O2 Data report. ODE/LOPS/19-01. https://doi.org/10.13155/86588
       Pressure: S/N 802; precision: 1dbar
       Temperature: S/N 4595;  precision: 0.001°C
       CTDSAL: CTD salinity S/N 3039. Precision: 0.002 psu (1.74*std dev between BTLSAL and CTDSAL)
       CTDOXY: CTD dissolved oxygen: S/N 526. Precision: 1.2 µmol/kg  (1.74*std dev between BTLOXY and CTDOXY)
       SALNTY: bottle salinity: portasal S/N 71420. CRM batch P160. Precision: 0.002 psu (2*std dev of replicates)
       OXYGEN: bottle dissolved oxygen: Metrohm 798 titrino. Precision: 1.3 µmol/kg  (2*std dev of replicates)
Nutrients: Who - François Baurand; Status - final 
       Notes: pasteurized samples; Kanzo CRM; precision = 2*std dev of replicates; conversion µmol/l to µmol/kg done with dens=1023.34306 kg/m3
       NITRAT: total dissolved inorganic nitrate: S/N 8011328. Precision: 0.3 µmol/kg
       NITRIT: total dissolved inorganic nitrite: S/N 8011328. Precision: 0.1 µmol/kg
       PHSPHT: total dissolved inorganic phosphate: S/N 8014490. Precision: 0.04 µmol/kg
       SILCAT: total dissolved inorganic silicate: S/N 8032275. Precision: 0.4 µmol/kg
Alkalinity: Who: Fiz F.Perez et al. -  Status: final 
       Notes: ALKALI: Total alkalinity. Automatic potentiometric titrato 64
       precision 2µmol/kg based on CRM reproducibility:
       See Perez et al.2000. Mintrop et al. 2000. Perez et al. 2008 https://doi.org/10.5194/bg-5-1669-2008) 
pH: Who: Fiz F.Perez et al. - Status: final 
       Notes: PH_TOT reported on Total pH scale @ 25C 
       Precision: 0.002 based on samples replication
       Measured by spectrophotometer via Clayton and Byrne (1993) 
Sea water isotopes: Who: Gilles Reverdin -  Status: final 
        Analyser: Picarro L2130-i CRDS
        For corrections applied and precision estimates: Reverdin et al. 2022 https://doi.org/10.5194/essd-2022-34
        d18O precision: 0.05‰
        dD precision: 0.15‰
129I: Who: - Maxi Castrillejo; Status - final 
       Method in Castrillejo et al. 2018 https://doi.org/10.5194/bg-15-5545-2018 
Cruise DOI to see all that has been published in relation with this cruise: 
Lherminier Pascale (2018) OVIDE 2018 cruise RV Thalassa; https://doi.org/10.17600/18000510

  • CTD data

One file per station (Pressure ,Depth, Temperature, Salinity, Oxygen).
Metadata in each file.

 

OCEAN CURRENT DATA:

Acquired with RDI Acoustic Doppler Current (ADCP) Profilers. 

  • Ship ADCP (SADCP):

Acquisition with VmDAS software. Processed from the .STA files.
Alignments were corrected with a dedicated cross trajectory on the shelf.  
SADCP OS38: metadata in txt file. Used to constrain LADCP final data and the transports calculated by an inverse model.
SADCP OS150: metadata in txt file. OS150 was installed in the oceano well. It was stopped during stations to avoid interferences with the down-looking LADCP (also at 150kHz).

  • LADCP stations:

Processed with A.Thurnherr LDEA software v.IX_14.
Metadata in the files.
Matlab and text files provided.

 

 
Data
File Size Format Processing Access
OVIDE 2018 bottle data in WHP format 458 KB CSV Processed data Open access
OVIDE 2018 CTD data in WHP format 3 MB CSV Processed data Open access
OVIDE 2018 SADCP OS38 data 43 MB NC, NetCDF Processed data Open access
OVIDE 2018 SADCP OS150 data 17 MB NC, NetCDF Processed data Open access
OVIDE 2018 LADCP data 7 MB TEXTE Processed data Open access
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How to cite 

Lherminier Pascale, Perez Fiz F., Branellec Pierre, Mercier Herle, Velo Anton, Messias Marie-José, Castrillejo Maxi, Reverdin Gilles, Fontela Marcos, Baurand Francois (2022). GO-SHIP A25 - OVIDE 2018 Cruise data. SEANOE. https://doi.org/10.17882/87394