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474 Research products, page 1 of 48

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  • Open Access English
    Authors: 
    Flores, J Michel; Bourdin, Guillaume; Lombard, F; Koren, Ilan; Vardi, Assaf; Gorsky, G; Moulin, Clémentine; Iwankow, Guillaume; Boissin, Emilie; Poulain, Julie; +22 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide the continuous dataset originating from an optical particle counter ([EDM]; EDM180 GRIMM Aerosol Technik Ainring GmbH & Co. KG, Ainring, Germany) instrument acquiring continuously during the full course of the campaign. Aerosols pumped through one of the ([MAST-PUMP]) inlets were channeled through a conductive tubing of 1.9 cm inner diameter to four parallel 47mm filter holders installed in the rear hold using a vacuum pump (Diaphragm pumpME16 NT, VACUUBRAND BmbH & Co KG, Wertheim, Germany) at a minimum flow rate of 30 lpm (20lpm prior to may 2016). Air was conducted to an optical particle counter ([EDM]; EDM180 GRIMM Aerosol Technik Ainring GmbH & Co. KG, Ainring, Germany) measuring and counting particles in the size range 0.25 - 32 µm every 60 seconds.

  • Open Access English
    Authors: 
    Bourdin, Guillaume; Boss, Emmanuel; Haëntjens, Nils; Lombard, F; Gorsky, G; Moulin, Clémentine; Iwankow, Guillaume; Boissin, Emilie; Poulain, Julie; Romac, Sarah; +22 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide the continuous dataset originating from backscattering sensor [BB3] (WETLabs ECO-BB3) instruments acquiring continuously during the full course of the campaign. Surface seawater was pumped continuously through a hull inlet located 1.5 m under the waterline using a membrane pump (10 LPM; Shurflo), circulated through a vortex debubbler, a flow meter, and distributed to a number of flow-through instruments. The backscattering sensor [BB3] (WETLabs ECO-BB3) was added to the underway system to measure the volume scattering function [VSF] at 124° and 3 wavelengths (470, 532, 650 nm). The flow was automatically directed through a 0.2 µm filter for 10 minutes every hour before being circulated through the [BB3] allowing the calculation of particulate backscattering [bbp] by removing the signal due to dissolved matter, drift, and biofouling (Slade et al. 2010, doi:10.1175/2010JTECHO755.1). The particulate organic carbon concentration [poc] was estimated by applying an empirical relation between measured [poc] and [bbp] (Cetinić et al. 2012, doi:10.1175/2010JTECHO755.1). Phytoplankton organic carbon [cphyto] was estimated by an empirical relationship with [bbp] (Graff et al. 2015, doi:10.1016/j.dsr.2015.04.006).

  • Open Access English
    Authors: 
    Douville, Eric; Bourdin, Guillaume; Lombard, F; Gorsky, G; Fin, Jonathan; Metzl, Nicolas; Pesant, Stephane; Consortium, Tara Pacific;
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide results of carbonate chemistry for seawater samples collected during the expedition at the offshore and inshore sampling stations as well as at coral sampling sites (a few meters from studied colonies). The sampling protocol was described by Gorsky et al. (2019). Briefly, unfiltered seawater was collected once a week during the cruise and poisoned with Hg2Cl2 before to be stored on TARA board (356 samples). Like for TARA-Ocean expedition (Picheral et al, 2014) Total Alkalinity (TA) and Total Inorganic Carbon (TC) were measured at the SNAPO-CO2 facility at LOCEAN laboratory (Paris, France) and analyzed simultaneously by potentiometric titration derived from the method developed by Edmond (1970) using a closed cell. Calibrated Certified Reference Material (CRM, Dickson et al, 2007) were regularly analyzed (CRM Batches 155, 173 and 182). Analytical accuracy of the TA and TC concentrations is ±3 µmol.kg-1. Additional parameters of the carbonate system were calculated with CO2SYS.m v3.1.1 (Feb 2021: https://github.com/jonathansharp/CO2-System-Extd) using measured TA-TC data, in-situ seawater salinity and temperature measured at each seawater sampling, and local phosphate and silicate concentrations as inputs.

  • Open Access English
    Authors: 
    Bourdin, Guillaume; Lombard, F; Boss, Emmanuel; Gorsky, G; Moulin, Clémentine; Iwankow, Guillaume; Poulain, Julie; Romac, Sarah; Agostini, Sylvain; Banaigs, Bernard; +21 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide the continuous dataset originating from navigation and meteorological instruments acquiring continuously during the full course of the campaign.

  • Open Access English
    Authors: 
    Bourdin, Guillaume; Iwankow, Guillaume; Lombard, F; Pesant, Stephane; Moulin, Clémentine; Boissin, Emilie; Poulain, Julie; Romac, Sarah; Agostini, Sylvain; Banaigs, Bernard; +20 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide the dataset obtained with a small CTD probe (Castaway CTD) deployed from the dinghy down to the reef (generally ~5 to 10m) to record temperature and conductivity profiles.

  • Open Access English
    Authors: 
    Lin, Yajuan; Cassar, Nicolas; Bourdin, Guillaume; Lombard, F; Gorsky, G; Moulin, Clémentine; Iwankow, Guillaume; Boissin, Emilie; Poulain, Julie; Romac, Sarah; +23 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide the continuous dataset originating from Equilibrator Inlet Mass Spectrometer [EIMS] (Pfeiffer Vacuum Quadrupole 1–100 amu) instruments acquiring continuously during the full course of the campaign. Surface seawater was pumped continuously through a hull inlet located 1.5 m under the waterline using a membrane pump (10 LPM; Shurflo), circulated through a vortex debubbler, a flow meter, and distributed to a number of flow-through instruments.

  • Open Access English
    Authors: 
    Bourdin, Guillaume; Boss, Emmanuel; Haëntjens, Nils; Lombard, F; Gorsky, G; Moulin, Clémentine; Iwankow, Guillaume; Boissin, Emilie; Poulain, Julie; Romac, Sarah; +22 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide the continuous dataset originating from CDOM fluorometer [WSCD] (WETLabs) instruments acquiring continuously during the full course of the campaign. Surface seawater was pumped continuously through a hull inlet located 1.5 m under the waterline using a membrane pump (10 LPM; Shurflo), circulated through a vortex debubbler, a flow meter, and distributed to a number of flow-through instruments. The CDOM fluorometer [WSCD] (WETLabs), was added to the underway system to measure the fluorescence of colored dissolved organic matter [fdom].

  • Open Access English
    Authors: 
    Dominique Marie; Sarah Romac;
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide flow cytometry data obtained for pico- and nano-phytoplankton, bacteria and viruses. Samples were fixed with Glutaraldehyde, kept onboard in liquid nitrogen and then stored at -80°C back in the laboratory. They were then analyzed unstained for phytoplankton using a FACS Canto II flow cytometer and stained using SYBR Green-I for bacteria and viruses.

  • Open Access English
    Authors: 
    Lin, Yajuan; Cassar, Nicolas; Bourdin, Guillaume; Lombard, F; Gorsky, G; Moulin, Clémentine; Iwankow, Guillaume; Boissin, Emilie; Poulain, Julie; Romac, Sarah; +23 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: TARA | Tara Pacific (4)

    The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean, and sampled the surface of oceanic waters at 249 locations, resulting in the collection of nearly 58,000 samples. The expedition was designed to systematically study corals, fish, plankton, and seawater, and included the collection of samples for advanced biogeochemical, molecular, and imaging analysis. Here we provide the continuous dataset originating from optode (Aanderaa optode 4835) instruments acquiring continuously during the full course of the campaign. Surface seawater was pumped continuously through a hull inlet located 1.5 m under the waterline using a membrane pump (10 LPM; Shurflo), circulated through a vortex debubbler, a flow meter, and distributed to a number of flow-through instruments. The optode (Aanderaa optode 4835) measured the Oxygen concentration in the seawater.

  • Open Access English
    Authors: 
    Wong Hearing, Thomas W.; Pohl, Alexandre; Williams, Mark;
    Publisher: Zenodo
    Project: EC | BioSIGNAL (838373), EC | BioSIGNAL (838373)

    These files contain the necessary data and R scripts for the manuscript "Quantitative comparison of geological data and climate simulations constrains early Cambrian geography and climate". The files include the NetCDF output of early Cambrian global climate simulations conducted using the coupled ocean-atmosphere FOAM general circulation model. The files include four hypothesized early Cambrian continental configurations, the topography-bathymetry files of which are also supplied. Global climate fields were simulated for each continental configuration at six greenhouse gas forcings: 4, 8, 16, 32, 64, and 128 times pre-industrial atmospheric level (PAL = 280 ppm). Simulations for all greenhouse gas forcings were run using present day orbital parameters. Additionally, there are cold and hot summer orbital parameter (CS and HS) and high and low obliquity orbital parameter (OH and OL) simulations at 32 PAL CO2. Also included is a compilation of lower Cambrian climatically sensitive lithologies. Finally, two R scripts are included: one to convert the climate model outputs to Köppen-Geiger climate classes, and the other to quantitatively compare geological data and climate simulations. The reader is referred to the associated paper for a full description of the model boundary conditions, the lithology data, and the data-model comparison methods. NERC (CENTA) PhD studentship NE/L0022493/1 BGS University Funding Initiative (BUFI) S266 Ghent University Special Research Fund (BOF) Fellowship 01P12419 Marie Sklodowska-Curie grant agreement No. 838373