4 documents found, page 1 of 1
Wave profile and tide monitoring system for scalable implementation
Rocha, J. L.; Matos, Tiago; Faria, C. L.; Penso, Camila Maria Ramos Aires Moreira; Martins, Marcos Silva; Gomes, P. A.; Gonçalves, L. M.A versatile, miniaturized, cost-effective, low-power wave profile and tide monitoring system, capable of long-term and scalable deployment, was developed to integrate pressure and temperature sensors in an RS485 network, for standalone operation with organized memory or real-time shared data monitoring. The pressure and temperature sensors are controlled by low-power microcontrollers, that communicate the data ...
Inductive salinity sensor
Barroso, Maria; Rocha, J. L.; Faria, C. L.; Gomes, P. A.; Gonçalves, L. M.Salinity determinations are usually made indirectly, measuring electrical conductivity, which depends on salinity and temperature. Unusual conductivity and salinity are indicative of pollution, regardless anthropogenic or natural sources. Aquatic species adapt to specific salinity levels. If this level is altered, it can result in the death of them, because there are changes in the oxygen concentrations. The go...
Wave profile and tide monitoring system for scalable implementation
Rocha, J. L.; Matos, Tiago; Faria, C. L.; Penso, Camila Maria Ramos Aires Moreira; Martins, Marcos Silva; Gomes, P. A.; Gonçalves, L. M.Apresentação de Poster em conferência Nacional.; Presentation of a wave profile and tide monitoring system, with low-cost and low-power pressure sensors connected to a datalogger in a wired or acustic network.
Cost effective CTD for long term deployments in water columns
Rocha, J. L.; Matos, T.; Martins, Marcos Silva; Lopes, Sérgio F.; Gomes, Pedro T.; Henriques, Renato F.; Gonçalves, L. M.Estuaries have the particularity of being in constant change concerning the salinity of the water, since the river carries fresh water to the mouth, while the force of the tide pushes salty water upstream, reaching several kilometers upstream given the right conditions. These bodies of water do not mix instantly, allowing the appearance of a distinct border between the two, known as the front. This document pre...