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. 2012;12(7):9613-34.
doi: 10.3390/s120709613. Epub 2012 Jul 16.

A low-cost sensor buoy system for monitoring shallow marine environments

Cristina Albaladejo  1 , Fulgencio Soto, Roque Torres, Pedro Sánchez, Juan A López
Affiliations

A low-cost sensor buoy system for monitoring shallow marine environments

Cristina Albaladejo et al. Sensors (Basel). 2012.

Abstract

Monitoring of marine ecosystems is essential to identify the parameters that determine their condition. The data derived from the sensors used to monitor them are a fundamental source for the development of mathematical models with which to predict the behaviour of conditions of the water, the sea bed and the living creatures inhabiting it. This paper is intended to explain and illustrate a design and implementation for a new multisensor monitoring buoy system. The system design is based on a number of fundamental requirements that set it apart from other recent proposals: low cost of implementation, the possibility of application in coastal shallow-water marine environments, suitable dimensions for deployment and stability of the sensor system in a shifting environment like the sea bed, and total autonomy of power supply and data recording. The buoy system has successfully performed remote monitoring of temperature and marine pressure (SBE 39 sensor), temperature (MCP9700 sensor) and atmospheric pressure (YOUNG 61302L sensor). The above requirements have been satisfactorily validated by operational trials in a marine environment. The proposed buoy sensor system thus seems to offer a broad range of applications.

Keywords: marine sensor system; oceanography; remote monitoring; sensor buoy.

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Figures

Figure 1.
Figure 1.
Buoy components.
Figure 2.
Figure 2.
Mechanical structure of the buoy and its characteristics, including the adopted protocol, antenna and range.
Figure 3.
Figure 3.
Block diagram.
Figure 4.
Figure 4.
Sensor buoy function state machine.
Figure 5.
Figure 5.
The buoy's current consumption in each of these states.
Figure 6.
Figure 6.
Location and deployment of tests in Cartagena Port.
Figure 7.
Figure 7.
Part of the data collected by the sensor buoy.
Figure 8.
Figure 8.
Coverage trials in the Mar Menor.
Figure 9.
Figure 9.
The boat used for the deployment trials in the Mar Menor.
Figure 10.
Figure 10.
Location of the Mar Menor lagoon.
See this image and copyright information in PMC

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