Page 23: of Marine Technology Magazine (March 2022)
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Map of deployment locations in or near the La Jolla
Figure 3.
Canyon with contour lines plotted every 100 m. The red triangles represent deployments conducted with the
Nanolander DOV BEEBE in 2021, the yellow squares represent Picolander deployments conducted with
DOV LEVIN, the green square represents the successful deployment of Picolander DOV JEAN, the black triangles represent the DOV BEEBE deployments conducted by Natalya Gallo in 2016 (Ref: Gallo, 2018
Image credit: Ashley Nicoll tems can be used to collect environmental and biological data in tic Release Transmitter) acoustic communication system, and small nearshore submarine canyons with greatly reduced costs two additional LiPo batteries. A ZebraTech and environmental impact. This study aims to use the La Jolla co.nz> Moana sensor is mounted to the frame for measuring Canyon as a testbed for using ocean landers as a tool to study temperature and depth. The smaller, two-sphere Picolander is nearshore submarine canyons. equipped with a ZebraTech sensor, camera system, and timed release for up to 99-hour deployments. Both systems are posi- tively buoyant and deployed by hand from a small boat (Fig. 1). LANDERS Two low-cost, spatially ? exible autonomous lander systems The Nanolander can collect paired biological and physical data were used: a Global Ocean Design LLC Nanolander Deep in the deep sea over a greater timescale (i.e., several weeks). The Ocean Vehicle (DOV) BEEBE and Picolander DOV LEVIN landers require only a low-cost sacri? cial iron drop weight for each deployment. (Fig. 2). The Nanolander has three spherical housings contain- The Nanolander, DOV BEEBE, was developed by Kevin ing a camera system, an EdgeTech BART (Burnwire Acous- • Bathymetry • CTD & Environmental • Current • Sound Velocity • Tide • AUV, ROV & ASV • HYDROGRAPHY • HYDROMETRY • METROLOGY & SWiFT CTD POSITIONING Measured CTD, with all the • OCEANOGRAPHY • PORTS, HARBOURS bene?ts of the SWiFT & DREDGING • RENEWABLE ENERGY To find out more contact [email protected] +44 1803 869292 | www.valeport.co.uk www.marinetechnologynews.com 23 MTR #3 (18-33).indd 23 2/25/2022 9:24:04 AM
