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Vol. 217, Issue 11, November 2017, pp. 36-44




Low-Cost Alternative for the Measurement of Water Levels in Surface Water Streams

1 Luis E. PEÑA, 2 Harold MURCIA, 2 William LONDOÑO and 2 Helman BOTINA

1 Civil Engineering Program, Engineering Faculty, Universidad de Ibagué,
Carrera 22 Calle 67 Ibagué, 730002, Colombia
2 Electronic Engineering Program, Engineering Faculty, Universidad de Ibagué, Carrera 22 Calle 67 Ibagu?, 730002, Colombia
1 Tel.: +57 3615304473

1 E-mail: luis.pena@unibague.edu.co


Received: 14 October 2017 /Accepted: 14 November 2017 /Published: 30 November 2017

Digital Sensors and Sensor Sysstems


Abstract: Flood risk management and water resources planning involve a deep knowledge of surface streams so that mitigation strategies and climate change adaptations can be implemented. Commercially, there is a wide range of technologies for the measurement of hydroclimatic variables; however, many of these technologies may not be affordable for institutions with limited budgets. This paper has two main objectives: 1) Present the design of an ultrasound-based water level measurement system, and 2) Propose a methodological alternative for the development of instruments, according to the needs of institutions conducting monitoring of surface waterbodies. To that end, the proposed methodology is based on selection processes defined according to the specific needs of each waterbody. The prototype was tested in real-world scale, with the potential to obtain accurate measurements. Lastly, we present the design of the ultrasound-based water level measurement instrument, which can be built at a low cost. Low-cost instruments can potentially contribute to the sustainable instrumental autonomy of environmental entities and help define measurement and data transmission standards based on the specific requirements of the monitoring.


Keywords: Measurement level gauging station, Level water monitoring, Ultrasonic sensor, Data transmission.


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