Arctic Western Eurasian Basin: IAOOS 23 and IAOOS 24 ocean CTD-DO, CDOM and nitrate profiles in 2017

Date 2017-04-12
Temporal extent 2017-04-12 -2018-01-04
Author(s) Provost ChristineORCID1, Koenig ZoéORCID1, Sennéchael NathalieORCID1, Athanase MarylouORCID1, Labaste Matthieu1, Garçon VéroniqueORCID2
Affiliation(s) 1 : Laboratoire LOCEAN-IPSL, Sorbonne Universites (UPMC, Univ. Paris 6)-CNRS-IRD-MNHN, Paris, France
2 : Laboratoire d'Etudes en Géophysique et d'Océanographie Spatiales (LEGOS), Toulouse, France
DOI 10.17882/57288
Publisher SEANOE
Keyword(s) Arctic, Ocean profiles, Temperature, Salinity, Oxygen, Colored Dissolved Organic Matter, Nitrate, Hydrography, Biogeochemistry, Eurasian Basin
Abstract

The two platforms IAOOS 23 and IAOOS 24 were deployed within 600 m from each other at the North Pole from the Russia-operated Barneo ice camp on April 12, 2017. They followed a meandering trajectory, reaching as far as 30°E in the Nansen Basin, before turning back to the western Fram Strait. On both IAOOS 23 and 24, the ocean profiler was a PROVOR SPI (from French manufacturer NKE) equipped with a Seabird SBE41 CTD (Conductivity, Temperature, Depth) and a dissolved oxygen (DO) Aandera 4330 optode. For the first time, the profiler on IAOOS 23 also carried biogeochemical sensors. It featured a bio-optics sensor suite and a submersible ultraviolet nitrate analyzer (SUNA, Satlantic-Seabird Inc.). The bio-optics sensor suite (called Pack Rem A) combines a three-optical-sensor instrument (ECO Triplet, WET Labs Inc.) and a multispectral radiometer (OCR-504, Satlantic Inc.). The present dataset is composed of CTD-DO data from IAOOS 23 and 24, corrected from the thermal lag and the sensor lag, despiked and interpolated vertically every 0.5 m. It also comprises nitrate concentrations from the SUNA and CDOM fluorescence from the WETLabs ECO sensor on IAOOS 23. Other biogeochemical data will be added to this dataset. The profilers were set to perform two upward profiles a day from 250 m (IAOOS 23) and 350 m (IAOOS 24) upward starting at approximately 6 am and 6 pm. They provided a unique 8-month long dataset, gathering a total of 793 profiles of the temperature, salinity and oxygen (upper 350m) and 427 profiles of CDOM and nitrates concentrations (upper 250m).

 

Licence CC-BY-NC
Utilisation Data are published without any warranty, express or implied. The user assumes all risks arising from his/her use of data. Data are intended to be research-quality. 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. Authors welcome users to ask questions and report problems.
Acknowledgements We thank Victoire Rérolle and Sergei Pisarev for their contribution to IAOOS platforms preparation and deployment. The IAOOS platforms were developed with funding from Equipex IAOOS (Ice Atmosphere Ocean Observing System) (ANR-10- EQPX-32-01), and biogeochemical sensors added to the platform through funding from the ICE-ARC program from the European Union 7th Framework Progamme (grant number 603887).
Sensor metadata

On both IAOOS 23 and 24 plaforms, the ocean profiler was a PROVOR SPI (from French manufacturer NKE) equipped with a Seabird SBE41 CTD (Conductivity, Temperature, Depth) and a dissolved oxygen (DO) Aandera 4330 optode. For the first time, the profiler on IAOOS 23 also carried a bio-optics sensor suite and a submersible ultraviolet nitrate analyzer (SUNA, Satlantic-Seabird Inc.). The bio-optics sensor suite (called Pack Rem A) combines a three-optical-sensor instrument (ECO Triplet, WET Labs Inc.) and a multispectral radiometer (OCR-504, Satlantic Inc.).

Data
File Size Format Processing Access
21 MB NC, NetCDF Processed data Access on demand until 2021-12-31
18 MB NC, NetCDF Processed data Access on demand until 2021-12-31
8 MB NC, NetCDF Processed data Access on demand until 2021-12-31
1007 KB NC, NetCDF Processed data Access on demand until 2021-12-31
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How to cite 

Provost Christine, Koenig Zoé, Sennéchael Nathalie, Athanase Marylou, Labaste Matthieu, Garçon Véronique (2017). Arctic Western Eurasian Basin: IAOOS 23 and IAOOS 24 ocean CTD-DO, CDOM and nitrate profiles in 2017. SEANOE. https://doi.org/10.17882/57288