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A Study on Anion Generation according to Vertical Structures of Tree

  • Kim, Jeong-Ho (Department of Green Technology Convergency, Konkuk University) ;
  • Oh, Deuk-Kyun (Department of Forest Science, Konkuk University) ;
  • Seo, Yoo-Hwan (Graduate school of Horticulture, Chiba University) ;
  • Park, Jae-Hyeon (Department of Forest Science, Konkuk University) ;
  • Yoon, Yong-Han (Department of Green Technology Convergency, Konkuk University)
  • Received : 2016.08.04
  • Accepted : 2016.09.02
  • Published : 2016.10.31

Abstract

This research assessed the disparity in anion generation according to the vertical structure of a Zelkova Serrata tree for the purpose of creating a pleasant and green city environment. Measurements for the study were conducted between July and August of 2014 in Chung-ju in the central region of the Republic of Korea. The average anion generation of vertical structure trees during active photosynthesis periods was: L Section ($839.0ea/cm^3$) > M Section ($664.6ea/cm^3$) > U Section ($472.0ea/cm^3$). According to DMRT analysis, significant difference was found in the average between the L, or M Locations and the U Locations. During dormant photosynthesis periods, records showed that the anion production at the M Location ($1,212.5ea/cm^3$) > L Location ($1,050.4ea/cm^3$) > H Location ($844.1ea/cm^3$), According to DMRT analysis, the difference within each location was significant for ${\alpha}=0.05$. In a comprehensive analysis of the weather factors in each vertical structure, anion generation during active photosynthesis periods showed a positive correlation with solar radiation and a negative correlation with wind speed. Dormant photosynthesis periods showed negative correlations with both solar radiation and temperature, and positive correlations with relative humidity and wind speed. Predictions from a multicenter retrospective study showed that during active photosynthesis periods, $Y_1=282.443X_1+512.07$, and $Y_2=314.337X_1+16.913X_2$, while during dormant photosynthesis periods, $Y_1=391.009X_1+840.043$, and $Y_2=351.412X_1+32.765X_2$.

Keywords

Altitude of the sun;Weather;Zelkova Serrata;Correlation analysis

Acknowledgement

Supported by : Konkuk University

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