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Networks and Heterogeneous Media

2009, Volume 4, Issue 2: 381-392. doi: 10.3934/nhm.2009.4.381
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A salinity sensor system for estuary studies

  • 1.
    Electrical Engineering Department, Box 352500, University of Washington, Seattle, WA 98195-2500
  • Received: 01 September 2008 Revised: 01 February 2009

  • Primary: 58F15, 58F17; Secondary: 53C35.

  • In this paper, we present the design, development and testing of a salinity sensor system for estuary studies. The salinity sensor was designed keeping size, cost and functionality in mind. The target market for this sensor is in hydrology where many salinity sensors are needed at low cost. Our sensor can be submersed in water for up to two weeks (all electronics are completely sealed) while salinity is recorded on-board at user-defined intervals. The data is then downloaded to a computer in the laboratory, after which the sensor is recharged, cleaned for biofouling and ready to be used again. The system uses a software program to download, display and analyze the sensor data. Our initial laboratory testing shows the salinity sensor system is functional. The novelty of this work is in the use of toroidal (inductive) conductivity sensors, the resulting low cost and simple design.

    Citation: Thanh-Tung Pham, Thomas Green, Jonathan Chen, Phuong Truong, Aditya Vaidya, Linda Bushnell. A salinity sensor system for estuary studies[J]. Networks and Heterogeneous Media, 2009, 4(2): 381-392. doi: 10.3934/nhm.2009.4.381

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  • In this paper, we present the design, development and testing of a salinity sensor system for estuary studies. The salinity sensor was designed keeping size, cost and functionality in mind. The target market for this sensor is in hydrology where many salinity sensors are needed at low cost. Our sensor can be submersed in water for up to two weeks (all electronics are completely sealed) while salinity is recorded on-board at user-defined intervals. The data is then downloaded to a computer in the laboratory, after which the sensor is recharged, cleaned for biofouling and ready to be used again. The system uses a software program to download, display and analyze the sensor data. Our initial laboratory testing shows the salinity sensor system is functional. The novelty of this work is in the use of toroidal (inductive) conductivity sensors, the resulting low cost and simple design.


  • This article has been cited by:

    1. R T Wood, A Bannazadeh, N Q Nguyen, L G Bushnell, 2010, A salinity sensor for long-term data collection in estuary studies, 978-1-4244-4332-1, 1, 10.1109/OCEANS.2010.5664602
    2. Pawita Boonrat, Ari Aharari, 2024, Chapter 29, 978-981-97-3209-8, 363, 10.1007/978-981-97-3210-4_29
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  • © 2009 the Author(s), licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0)
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