Mobile Acoustic Wave Platform Deployment in the Amazon River: Impact of the Water Sample on the Love Wave Sensor Response

Abstract : This paper presents an experimental platform allowing in situ measurement in an aqueous medium using an acoustic Love wave sensor. The aim of this platform, which includes the sensor, a test cell for electrical connections, a microfluidic chip, and a readout electronic circuit, is to realize a first estimation of water quality without transportation of water samples from the field to the laboratory as a medium-term objective. In the first step, to validate the ability of such a platform to operate in the field and in Amazonian water, an isolated and dicult-to-access location, namely, the floodplain Logo Do Curuaï in the Brazilian Amazon, was chosen. The ability of such a platform to be transported, installed on site, and used is discussed in terms of user friendliness and versatility. The response of the Love wave sensor to in situ water samples is estimated according to the physical parameters of Amazonian water. Finally, the very good quality of the acoustic response is established, potential further improvements are discussed, and the paper is concluded.
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https://hal.archives-ouvertes.fr/hal-02423797
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Submitted on : Thursday, December 26, 2019 - 12:03:36 AM
Last modification on : Tuesday, January 14, 2020 - 10:38:15 AM

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Ollivier Tamarin, Maxence Rube, Jean Luc Lachaud, Vincent Raimbault, Dominique Rebière, et al.. Mobile Acoustic Wave Platform Deployment in the Amazon River: Impact of the Water Sample on the Love Wave Sensor Response. Sensors, MDPI, 2020, 20 (1), pp.72. ⟨10.3390/s20010072⟩. ⟨hal-02423797⟩

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