Özet:

The noise is a kind of environmental pollutions that affects human health and decreases performance of people, education, and home life. Harvesting activities in forestry are one of working environments where noise effect is very intense. Noise is an element of environmental pollution that is effective on human health and needs to be controlled. To evaluate the noise effect, maps of noise propagation are used. The noise map is defined as numerical model of noise sources. The changes in sound level determined by measurements in certain points are shown in noise map. Noise maps are used in calculation of average sound level if it is within acceptable limits and in determination of risky areas where employees are adversely effected. Computer-aided systems have been used in modeling noise propagation in recent years. SPreAD-GIS is free program developed to estimate acoustic effects of anthropogenic noise propagation and adapted to ArcGIS software. In this study, it was aimed to introduce SPreAD-GIS program that can be used to model noise propagation caused by mechanized harvesting equipment. In addition, main factors affecting noise propagation in forest (elevation, land use type, temperature, humidity, wind direction and intensity, climate and weather conditions) were evaluated.

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