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Autonomous Targeted Sampling of the Deep Chlorophyll Maximum Layer in a Subtropical North Pacific Eddy

Lookup NU author(s): Professor Sam Wilson

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Abstract

© 2018 IEEE. The overarching logistical challenge in microbial oceanography is acquiring enough samples to provide meaningful scientific interpretation. The number of samples collected during ship expeditions is limited by weather, time on station, and budget. Here we describe a robotic, autonomous vehicle platform equipped with a unique sampling instrument that mitigates some of these constraints. In a joint cruise on the R/V Falkor, the Monterey Bay Aquarium Research Institute and the University of Hawaii deployed two of these vehicles in a mesoscale eddy north of the island of Maui. One vehicle collected contextual measurements while circling a freely drifting sampling vehicle. On the sampling vehicle we implemented several behaviors, including sampling every three hours for a 4-day underwater drift while maintaining position within the deep chlorophyll maximum layer (100m). Results demonstrate the ability to remain with features of interest and point to an exciting future of long-term, directed, persistent sampling.


Publication metadata

Author(s): Birch J, Barone B, Delong E, Foreman G, Gomes K, Hobson B, Jensen S, Karl D, Kieft B, Marin R, Orreilly T, Pargett D, Poulos S, Preston C, Ramm H, Roman B, Romano A, Ryan J, Scholin C, Ussler W, Wilson S, Yamahara K, Zhang Y

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: OCEANS 2018

Year of Conference: 2018

Online publication date: 10/01/2019

Acceptance date: 02/04/2018

ISSN: 0197-7385

Publisher: IEEE

URL: https://doi.org/10.1109/OCEANS.2018.8604898

DOI: 10.1109/OCEANS.2018.8604898

Library holdings: Search Newcastle University Library for this item

ISBN: 9781538648148


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