Volume 12
Volume
Optimizing the performance of Kalman filter based statistical time-varying air quality models
General
In this study, the Bayesian approach is proposed to estimate the noise variances of Kalman filter based statistical models for predicting the daily averaged PM10 concentrations of a typical coastal city, Macau, with Latitude 22°10’N and Longitude 113°34’E. By using the measurements in 2001 and 2002...
Wave and Dissolved Oxygen Transmission Analysis in Harbors using Flushing Culverts: An Experimental Aproach
General
One of the most favorable and cost-saving methods to counteract water quality deterioration in a harbor basin is the use of flushing culverts, which reduce flushing times and avoid areas of low flow and eddies formation. In the present paper, results of experiments carried out in a 2-D facility in...
Numerical modelling of flow structures over an industrial site: effect of the surrounding buildings on dust emissions
General
In this paper, three-dimensional numerical simulations are used to simulate the wind flow structure over coal stockpiles of a real configuration of a power plant. Two configurations are tested for various wind directions: the first one without representing the buildings and the second one with the...
Detoxification of toxic metal ions by sorption onto activated carbon from hevea brasiliensis bark – a comparative study
General
Sorption of toxic metal ions (Ni2+, Cu2+ and Cd2+) from Hevea brasiliensis bark carbon (HBBC) was carried out at 30±1 °C under various experimental conditions. Effect of various process parameters has been investigated by following the batch adsorption technique at 30 +1°C. The percentage removal...
Dispersion modeling of odours emitted from pig farms: winter-spring measurements
General
One of the main environmental impacts of pig farms are the swine odours emitted from the various stages of the process. The main cause of odour emissions from pig farms are the anaerobic processes in manure. Numerous factors affect odour emissions such as diet, manure management and manure age. The...
Application of qualitative analysis techniques to the environmental modeling of plant species cultivation
General
The main issue discussed in the paper is the application of qualitative analysis techniques when short data samples are available at the initial stage of experiments carried out to study behaviors of agricultural plant species under different environmental conditions. The proposed techniques are...
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