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Article Dans Une Revue Frontiers in Marine Science Année : 2019

Expanding Tara Oceans Protocols for Underway, Ecosystemic Sampling of the Ocean-Atmosphere Interface During Tara Pacific Expedition (2016–2018)

1 LOV - Laboratoire d'océanographie de Villefranche
2 University of Maine
3 Tara Expéditions
4 IBENS - Institut de biologie de l'Ecole Normale Supérieure
5 LEMAR - Laboratoire des Sciences de l'Environnement Marin (LEMAR)
6 Nicholas School of the Environment
7 Mercator Océan
8 WHOI - Woods Hole Oceanographic Institution
9 EPEP - Evolution des Protistes et Ecosystèmes Pélagiques
10 LSCE - Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette]
11 GEOTRAC - Géochrononologie Traceurs Archéométrie
12 Department of Earth and Planetary Sciences [Rehovot]
13 Weizmann Institute of Science [Rehovot, Israël]
14 LOMIC - Laboratoire d'Océanographie Microbienne
15 USC - University of Southern California
16 SBR - Station biologique de Roscoff = Roscoff Marine Station
17 MARUM - Center for Marine Environmental Sciences [Bremen]
18 PANGAEA - Data Publisher for Earth and Environmental Science
19 GENOSCOPE - Genoscope - Centre national de séquençage [Evry]
20 PROTEO - Processus et interactions de fine échelle océanique
21 Department of Civil, Environmental and Geodetic Engineering [Columbus]
22 LAERO - Laboratoire d'aérologie
23 Universität Konstanz
24 CEA - Commissariat à l'énergie atomique et aux énergies alternatives
25 Shimoda Marine Research Center
26 LabEX CORAIL - Laboratoire d'Excellence CORAIL
27 CRIOBE - Centre de recherches insulaires et observatoire de l'environnement
28 SM - Symbiose Marine
29 IRCAN - Institut de Recherche sur le Cancer et le Vieillissement
30 Dpt génétique médicale [CHU Nice]
31 LECOB - Laboratoire d'Ecogéochimie des environnements benthiques
32 CSM - Centre Scientifique de Monaco
33 D-BIOL - Department of Biology [ETH Zürich]
34 NUI Galway - National University of Ireland [Galway]
35 OSU - Oregon State University
36 EMBL - European Molecular Biology Laboratory [Heidelberg]
Samuel Audrain
  • Fonction : Auteur
Nicolas Bin
  • Fonction : Auteur
Emmanuel Boss
Loic Caudan
  • Fonction : Auteur
Daniel Cron
  • Fonction : Auteur
John Dolan
Martin Hertau
  • Fonction : Auteur
Denis Allemand

Résumé

Interactions between the ocean and the atmosphere occur at the air-sea interface through the transfer of momentum, heat, gases and particulate matter, and through the impact of the upper-ocean biology on the composition and radiative properties of this boundary layer. The Tara Pacific expedition, launched in May 2016 aboard the schooner Tara, was a 29-month exploration with the dual goals to study the ecology of reef ecosystems along ecological gradients in the Pacific Ocean and to assess inter-island and open ocean surface plankton and neuston community structures. In addition, key atmospheric properties were measured to study links between the two boundary layer properties. A major challenge for the open ocean sampling was the lack of ship-time available for work at "stations". The time constraint led us to develop new underway sampling approaches to optimize physical, chemical, optical, and genomic methods to capture the entire community structure of the surface layers, from viruses to metazoans in their oceanographic and atmospheric physicochemical context. An international scientific consortium was put together to analyze the samples, generate data, and develop datasets in coherence with the existing Tara Oceans database. Beyond adapting the extensive Tara Oceans sampling protocols for high-resolution underway sampling, the key novelties compared to Tara Oceans' global assessment of plankton include the measurement of (i) surface plankton and neuston biogeography and functional diversity; (ii) bioactive trace metals distribution at the ocean surface and metal-dependent ecosystem structures; (iii) marine aerosols, including biological entities; (iv) geography, nature and colonization of microplastic; and (v) high-resolution underway assessment of net community production via equilibrator inlet mass spectrometry. We are committed to share the data collected during this expedition, making it an important resource important resource to address a variety of scientific questions.
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Dates et versions

hal-02407578 , version 1 (15-06-2020)

Identifiants

Citer

Gabriel Gorsky, Guillaume Bourdin, Fabien Lombard, Maria Luiza Pedrotti, Samuel Audrain, et al.. Expanding Tara Oceans Protocols for Underway, Ecosystemic Sampling of the Ocean-Atmosphere Interface During Tara Pacific Expedition (2016–2018). Frontiers in Marine Science, 2019, 6, pp.650. ⟨10.3389/fmars.2019.00750⟩. ⟨hal-02407578⟩
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