Abstract
The measurement of the water level in a canal allows us to know its flow. This information is essential for the correct administration of the water resource. Manual quantification can be replaced by micro controlled systems with an internet connection. Thus, the measurement and recording of water levels in open canals in real time is achieved. The chosen micro controlled system was based on ultrasonic instrumentation with GPRS communication. It had a wide cellular network to achieve an effective connectivity in rural areas, a power system combining solar energy with pollutant free batteries and the capacity to store data. The obtained percentage and average errors were lower than the permissible error specified in the requirements. Consequently, the evaluated measurement system is reliable for the evaluation of canals in a real-world setting.
Highlights
The increased demand for water resources for urban and industrial use has had a detrimental effect on the water available for agricultural production [1, 2]
The percentage and average errors were lower than the permissible error
The measurement system is reliable for calculating the flow rate in canals under real conditions
Summary
The increased demand for water resources for urban and industrial use has had a detrimental effect on the water available for agricultural production [1, 2]. It is necessary to implement irrigation systems to guarantee sustainable agricultural production. Despite the building of reservoirs, water distribution systems are not efficient enough. This produces losses that increase costs and decrease the availability of water resources for farmers [3]. Water level measurements were made with manual gauging systems [4] that offered imprecise results. In Ecuador, the water distribution systems have been upgraded, they do not have a remote monitoring system to provide information on the water level in the canals
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