Desenvolvimento de um sistema automatizado com sensores alternativos para coleta e armazenamento de dados micrometeorológicos

Abstract

The aim of this study was to develop an alternative sensors and system data storage to register micrometeorological variables, given that predictive models for climate change in global and regional scale are leading to a growing interest in monitoring these variables. Urbanization, deforestation and fires are important drivers in the mechanism of pollution and climate change in the North and Midwest, resulting in biotic and abiotic changes in the internal properties of ecosystems. With the purpose of increasing the number of monitoring points, alternative sensors were developed to measure global radiation, soil heat flux, net radiometer, air temperature and relative humidity as well as an automated data storage for collection of these variables. The prototype sensor presented a coefficient of determination (R²) that explains more than 95% of the measured data in comparison with the conventional one. The automated data storage system was used at experimental field and its response was similar to records obtained with the reference one (conventional). Thus, we conclude the feasibility of using these sensors, demonstrating be reliable its use.