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2021 Vol.30, Issue 1 Preview Page

Original Articles

Changes in Evapotranspiration and Growth of Gold Mound, Japanese Spurge, and Ivy Plants According to Wind Speed

송악, 노랑조팝, 수호초의 풍속에 따른 증발산량 및 생육의 변화

Jihwan Park1
,
Haeyoung Na HaeyoungNa2†
박 지환1
,
나 해영2†
1Professor, Major in Landscape Architecture, Mokpo National University, Muan 58554, Korea
2Professor, Major in Horticultural Science, Mokpo National University, Muan 58554, Korea
1목포대학교 조경학과 교수
2목포대학교 원예과학과 교수
*somerze@mokpo.ac.kr
31 January 2021. pp. 72-76
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Abstract

The amount of evapotranspiration (water absorption) according to wind speed showed the same trend in gold mound (Spiraea × bumalda), Japanese spurge (Pachysandra terminalis), and ivy (Hedera japonica Tobler). All the three plants showed maximum water absorption at 4 m·s-1; water absorption tended to decrease as wind speed decreased. The control group without wind speed treatment had the most amount of water absorption compared with the groups that were subjected to wind exposure. However, the plant growth of all three plants increased to the maximum value when wind speeds were 2 and 1 m·s-1. When comparing the relationship among water absorption, air temperature, and relative humidity, the water absorption of plants tended to be low from May 20 to 26, when air temperature and relative humidity were the lowest. The results of this study will help establish an urban wall-planting system taking building wind into consideration. Further, this study may help in the selection of plant types for ecological parks in windy islands.

Keywords
air temperature
building wind
relative humidity
urban wall-planting system
water absorption

풍속에 따른 증발산량(수분흡수량)은 노랑조팝, 송악, 수호초 모두 같은 경향을 나타내었다. 세 식물 모두 4m·s-1의 강풍에서 가장 높은 수분흡수양상을 보였으며 풍속이 낮아질수록 수분흡수량도 함께 감소하는 경향을 보였다. 풍속처리없이 플라스틱 하우스 내의 기본 환경에 노출되어 있던 대조구는 바람에 노출되어 있던 처리구에 비해 수분흡수량이 가장 작은 것을 확인하였다. 하지만 풍속에 따른 식물의 생육을 조사한 결과 송악, 수호초 그리고 노랑조팝 모두 2m·s-1와 1m·s-1의 풍속을 처리했을 때 식물의 초장과 엽수의 증가에 가장 효과적이었다. 식물체의 수분흡수 양상을 수분흡수 기간 중의 평균기온 및 상대습도와의 관계를 비교해보면 평균기온 18.7°C로 가장 낮은 기온과 평균상대습도 62%로 가장 낮았던 5월 20일부터 26일까지의 모든 식물들의 수분흡수량이 낮은 경향을 나타내었다. 본 연구의 결과는 도심의 열섬화 현상을 경감시키기 위한 기초자료로 활용 가능할 것이며 바람이 많이 부는 도서지역의 녹지공간조성시에 풍속에 따른 식물생육과 활착 안정화에 효과적인 수종검토에 도움이 되고 공간이 협소한 도심지역 녹화에 효과적인 저면관수형 벽면녹화 수종선택에 큰 도움을 줄 수 있을 것으로 기대된다.

키워드
수분흡수량
상대습도
바람
평균기온
열섬화
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Information
  • Publisher :The Korean Society for Bio-Environment Control
  • Publisher(Ko) :(사)한국생물환경조절학회
  • Journal Title :Journal of Bio-Environment Control
  • Journal Title(Ko) :생물환경조절학회지
  • Volume : 30
  • No :1
  • Pages :72-76
  • Received Date : 2021-01-15
  • Revised Date : 2021-01-22
  • Accepted Date : 2021-01-23
  • DOI :https://doi.org/10.12791/KSBEC.2021.30.1.072
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