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Open AccessArticle

Designing a Diving Protocol for Thermocline Identification Using Dive Computers in Marine Citizen Science

Research Department, DAN Europe Foundation, 64026 Roseto degli Abruzzi, Italy
Department of Computer Engineering, MTF, Galatasaray University, Istanbul 34349, Turkey
Cousteau Divers, 75017 Paris, France
Department of Life and Environmental Sciences—DiSVA, Università Politecnica delle Marche, 60131 Ancona, Italy
Authors to whom correspondence should be addressed.
Appl. Sci. 2018, 8(11), 2315;
Received: 17 September 2018 / Revised: 19 October 2018 / Accepted: 29 October 2018 / Published: 20 November 2018
Dive computers have an important potential for citizen science projects where recreational SCUBA divers can upload the depth temperature profile and the geolocation of the dive to a central database which may provide useful information about the subsurface temperature of the oceans. However, their accuracy may not be adequate and needs to be evaluated. The aim of this study is to assess the accuracy and precision of dive computers and provide guidelines in order to enable their contribution to citizen science projects. Twenty-two dive computers were evaluated during real ocean dives for consistency and scatter in the first phase. In the second phase, the dive computers were immersed in sufficient depth to initiate the dive record inside a precisely controlled sea aquarium while using a calibrated device as a reference. Results indicate that the dive computers do not have the accuracy required for monitoring temperature changes in the oceans, however, they can be used to detect thermoclines if the users follow a specific protocol with specific dive computers. This study enabled the authors to define this protocol based on the results of immersion in two different sea aquarium tanks set to two different temperatures in order to simulate the conditions of a thermocline. View Full-Text
Keywords: diver; underwater; SCUBA; temperature measurement diver; underwater; SCUBA; temperature measurement
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Egi, S.M.; Cousteau, P.-Y.; Pieri, M.; Cerrano, C.; Özyigit, T.; Marroni, A. Designing a Diving Protocol for Thermocline Identification Using Dive Computers in Marine Citizen Science. Appl. Sci. 2018, 8, 2315.

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