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Biogeochemical Exploration of the Pescadero Basin Vents

Michel, Anna and Wankel, Scott and Beaulieu, Stace and Soule, S. Adam and Mullineaux, Lauren and Coleman, Dwight and Escobar Briones, Elva and Gaytán-Caballero, Adriana and McDermott, Jill and Mills, Susan and Speth, Daan and Zierenberg, Robert (2018) Biogeochemical Exploration of the Pescadero Basin Vents. Oceanography, 31 (1). pp. 42-43. ISSN 1042-8275. doi:10.5670/oceanog.2018.supplement.01.

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In 2015, the deepest high-temperature hydrothermal vents in the Pacific Ocean (3,700 m) were discovered in a sediment-covered pull-apart basin along the Pescadero Transform Fault in the Gulf of California. Biological communities were observed thriving among the carbonate chimney structures (Figure 1; Goffredi et al., 2017). As a result of their striking contrast to other hydrothermal systems, the high- temperature, high-carbon Pescadero Basin vents provided the opportunity to examine the influence of tectonic setting on the nature of seafloor vent sites, the fundamental geochemical controls on biological colonization in the deep ocean, and the role of fluid venting on global-scale ocean chemistry and climate. In November 2017, with support from the Dalio Ocean Initiative, a multidisciplinary science team led by Woods Hole Oceanographic Institution scientists set out on E/V Nautilus to investigate this area of active venting.

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Speth, Daan0000-0002-2361-5935
Additional Information:© 2018 Oceanography Society. Funding was provided by the Dalio Ocean Initiative and ICML UNAM. Images courtesy of Ocean Exploration Trust, Woods Hole Oceanographic Institution, Dalio Foundation, Alucia Productions, Adam Soule, and the MISO Facility. We thank our MBARI colleagues for providing vent field maps and for multibeam data processing, and our shore based team, especially P. Girguis and D. Hoer.
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Dalio Ocean InitiativeUNSPECIFIED
Universidad Nacional Autónoma de México (UNAM)UNSPECIFIED
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Record Number:CaltechAUTHORS:20180906-082006842
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:89411
Deposited By: Tony Diaz
Deposited On:06 Sep 2018 16:20
Last Modified:16 Nov 2021 00:35

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