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http://dx.doi.org/10.9715/KILA.2014.42.4.001

Assessment of Anion Generation on the Isolated Trees at Summer  

Kim, Jeong-Ho (Dept. of Green Technology Convergence, Konkuk University)
Seo, Yu-Hwan (Dept. of Forest Science, Konkuk University)
Joo, Chang-Hun (National Foresty Cooperative Federation, Forest Inventory Center)
Yoon, Yong-Han (Dept. of Green Technology Convergence, Konkuk University)
Publication Information
Journal of the Korean Institute of Landscape Architecture / v.42, no.4, 2014 , pp. 1-9 More about this Journal
Abstract
This research aims to analyze changes in anion according to locations through changes in the measuring point centering on a single tree. The subject tree was the Zelkova serrata which is most widely used as a landscape tree, and the measurement was conducted for a total of 3 days with summer solstice as the basic date. In consideration of the solar altitude and the location of the Zelkova serrata, a total of 4 measurement points - $T_a$ at the opposite direction of the shadow, $T_b$ in the center of the tree $T_c$ in the center of the shadow, and $T_d$ at the end of the shadow - were established. The mean temperature of the measurement days was the highest at $T_a$ with $28.4^{\circ}C$ and was the lowest at $T_c$, in the center of the shadow with $27.9^{\circ}C$. The relative humidity was the lowest with 42.5% at $T_a$ where the temperature was the highest. The amount of insolation was the highest at $T_a$ with $1,024.6W/m^2$, followed by $T_d(701.48W/m^2$), $T_c$($215.63W/m^2$), and $T_b(227.75W/m^2)$, and the anion was the highest at $T_a$ with $654ea/cm^3$, followed by $T_d$, $T_c$, and $T_b$, with $639.4ea/cm^3$, $615.3ea/cm^3$, $612.3ea/cm^3$, respectively. The results of the correlation analysis proved that anion correlated with the temperature, the amount of insolation, and the relative humidity on the significant level. Of these, the temperature and the amount of insolation had the positive correlation with the correlation coefficients of .687 and .332, respectively, and the significance probability of .000, and .037, respectively. The relative humidity was found to have negative correlation. Its correlation coefficient and the significance probability were -.557, and .000, respectively.
Keywords
Altitude of the Sun; Weather; Zelkova serrata; Correlation Analysis;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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