Autonomous Surface and Underwater Vehicles as Effective Ecosystem Monitoring and Research Platforms in the Arctic—The Glider Project

Author:

Camus Lionel,Andrade HectorORCID,Aniceto Ana,Aune Magnus,Bandara Kanchana,Basedow Sünnje,Christensen Kai,Cook Jeremy,Daase Malin,Dunlop Katherine,Falk-Petersen Stig,Fietzek PeerORCID,Fonnes Gro,Ghaffari Peygham,Gramvik Geir,Graves Inger,Hayes DanielORCID,Langeland Tor,Lura Harald,Kristiansen Trond,Nøst Ole,Peddie David,Pederick Joel,Pedersen Geir,Sperrevik Ann,Sørensen Kai,Tassara Luca,Tjøstheim Sigurd,Tverberg Vigdis,Dahle Salve

Abstract

Effective ocean management requires integrated and sustainable ocean observing systems enabling us to map and understand ecosystem properties and the effects of human activities. Autonomous subsurface and surface vehicles, here collectively referred to as “gliders”, are part of such ocean observing systems providing high spatiotemporal resolution. In this paper, we present some of the results achieved through the project “Unmanned ocean vehicles, a flexible and cost-efficient offshore monitoring and data management approach—GLIDER”. In this project, three autonomous surface and underwater vehicles were deployed along the Lofoten–Vesterålen (LoVe) shelf-slope-oceanic system, in Arctic Norway. The aim of this effort was to test whether gliders equipped with novel sensors could effectively perform ecosystem surveys by recording physical, biogeochemical, and biological data simultaneously. From March to September 2018, a period of high biological activity in the area, the gliders were able to record a set of environmental parameters, including temperature, salinity, and oxygen, map the spatiotemporal distribution of zooplankton, and record cetacean vocalizations and anthropogenic noise. A subset of these parameters was effectively employed in near-real-time data assimilative ocean circulation models, improving their local predictive skills. The results presented here demonstrate that autonomous gliders can be effective long-term, remote, noninvasive ecosystem monitoring and research platforms capable of operating in high-latitude marine ecosystems. Accordingly, these platforms can record high-quality baseline environmental data in areas where extractive activities are planned and provide much-needed information for operational and management purposes.

Funder

Norges Forskningsråd

ConocoPhillips Skandinavia AS

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Biochemistry,Instrumentation,Atomic and Molecular Physics, and Optics,Analytical Chemistry

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