Abstract
The soundscape of national parks play an important role in preserving habitats and providing relaxation to visitors. However, several national parks in Korea are surrounded by large cities and sound emissions from the road traffic of these adjoining cities. Therefore, in the present study, we analyzed the acoustical-environmental factors and described the sound grade classifications of the Bukhansan National Park Trails, located in Seoul, for managing the soundscape. The acoustical factor measurements were carried out in five sections (15 ㎞) of the national park along with a mobile application (rambler) for collecting trail GIS data. Environmental factors including building coverage ratio, longitudinal distance from the road, and green coverage ratio were obtained from a Seoul biotope map and digital map data. The sound grades of trails were classified using 4 factors, which were extracted from a factor analysis on 13 variables and 757 sites. Moreover, for grouping the sound grades, the K-means method was used to examine the characteristics of the five groups.
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