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An Open Surface Drifter for River Flow Field Characterization.

Juan Francisco Fuentes-Pérez1,2, Francisco Javier Sanz-Ronda1, Jeffrey A Tuhtan3

  • 1GEA-Ecohydraulics, Department of Agricultural and Forestry Engineering, University of Valladolid, Campus La Yutera, Avenida de Madrid 44, 34004 Palencia, Spain.

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PubMed
Summary
This summary is machine-generated.

This study introduces a low-cost, customizable drifter for river monitoring. The open-source device reliably measures surface velocity, offering a cost-effective tool for river flow characterization and ecological assessment.

Keywords:
GNSSGSMopen hardwareradio communicationriver characterizationriver drifterriverswireless sensor networks

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Area of Science:

  • Environmental Science
  • Hydrology
  • Sensor Technology

Background:

  • Continuous river flow observation is crucial for ecological status assessment, water resource management, and sustainable hydropower.
  • Traditional monitoring methods can be costly and provide limited spatial data.
  • Drifters offer a cost-effective alternative for monitoring and modeling river dynamics.

Purpose of the Study:

  • To present and assess a low-cost, customizable drifter built from off-the-shelf components.
  • To establish an open hardware and software foundation for increased drifter utilization in river studies.
  • To provide a general river flow characterization toolkit for diverse applications.

Main Methods:

  • Development of an open-source drifter using readily available components (<150 EUR).
  • Equipping the drifter with sensors to collect movement and environmental data.
  • Validation of drifter performance against commercial flow meters for surface velocity estimation.

Main Results:

  • The proposed drifter provides reliable surface velocity estimates comparable to commercial flow meters.
  • It offers a significantly lower cost per data point compared to traditional methods.
  • The drifter effectively identifies and classifies large-scale surface flow patterns, unlike point measurements.

Conclusions:

  • The developed open drifter is a versatile and cost-effective tool for autonomous river characterization.
  • Its open hardware and software design promotes wider adoption in river studies.
  • This technology enhances capabilities for ecological assessment, water management, and adaptive planning.