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http://dx.doi.org/10.9715/KILA.2015.43.5.055

A Comparative Analysis of Negative Air Ions according to the Planting Structure at School Forests  

Kim, Jeong-Ho (Dept. of Green Technology Convergence, Konkuk University)
Oh, Deuk-Kyun (Dept. of Life Resources and Environmental Sciences, Graduate School of Konkuk University)
Park, Yong-Gwan (Dept. of Life Resources and Environmental Sciences, Graduate School of Konkuk University)
Yoon, Yong-Han (Dept. of Green Technology Convergence, Konkuk University)
Publication Information
Journal of the Korean Institute of Landscape Architecture / v.43, no.5, 2015 , pp. 55-64 More about this Journal
Abstract
In this study, negative air ions, which can increase comfort and positively influence human health, was set as an evaluative factor for school forests. The characteristics, location and microclimate of school forests were examined to determine an effective school forest model for maximum negative air ion generation. It also aimed to provide basic data for the development of urban green fields. The negative air ion concentrations were different according to the green types. The order from the highest to the lowest was: single-layer structure($934ea/cm^3$) > multi-layer structure($794ea/cm^3$) > grass($553ea/cm^3$) > bare ground($529ea/cm^3$). As for the correlation with microclimate, negative air ion concentration was negatively correlated with temperature. The negative air ion concentration was significantly different according to planting type. The negative air ion concentration was higher at single-layer structure sites than at multi-layer structure sites, which appears to indicate that the temperature is higher when the vegetation structure was single-layer compared to multi-layer. Wind speed was higher at the single-layer planted site than at the multi-layer planted site. The vegetation wind shielding effect was lower at single-layer planted sites than at multi-layer planted sites. The single-layer planted site provided more favorable conditions for the generation and dispersion of negative air ions.
Keywords
Urban Green; Single-layer Structure; Microclimate; Air Temperature;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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