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논문검색

The Application of Nature-Based Technologies for Addressing Urban Environmental Problems

원문정보

도시 환경 문제를 해결하기 위한 자연 기반해법의 적용

Md Tashdedul Haque, Nash Jett DG. Reyes, Jung-min Lee, Heidi B. Guerra, Minsu Jeon, Hyeseon Choi, Lee-Hyung Kim

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초록

영어

LID technologies are capable of mitigating the negative impacts of non-point source (NPS) pollution generated in different land uses. Apart from the increase in point and non-point pollutant generation, highly developed and paved areas generally affect microclimate conditions. This study evaluated both the efficiency of Low Impact Development (LID) facilities in treating NPS pollutant loads as well as the unit pollutant loads (UPL) generated in various urban features (such as parking lots and highways). This investigation also looked at how LID technology helped to alleviate Urban Heat Island (UHI) conditions. As compared to the typical unit pollutant loads in South Korea, the unit pollutant loads at Kongju National University were relatively low, because of no classes, limited vehicular transmission, and low anthropogenic activities during vacation. After receiving treatment from the LID facilities, the effluent pollutant loads were significantly decreased. The sedimentation in filtration mechanisms considerably reduced the pollutant fractions in the influent. Additionally, it was shown that LID facilities' mean surface temperatures are up to 7.2°C lower than the nearby paved environment, demonstrating the LID systems reducing the UHI impact on an urban area.

한국어

LID 기술은 다양한 토지이용에서 발생되는 비점오염원(NPS)을 저감하는 기술이다. 점오염과 비점오염원의 증가와는 별도로 불투수지역 내 도심지는 일반적으로 도시기후에 영향을 준다. 본 연구에서는 LID 기술이 도시열섬현상(UHI)을 저감에 대한 영향분석을 공주대학교를 대상으로 수행하였다. 공공부지인 학교는 보행자의 통향량, 차량운행이 특정시기에 증가되기에 일반적인 원단위 부하량보다 낮은것으로 나타났다. LID 시설은 강우유출수 내 오염물질을 여재부 내 흡착, 여과 등을 통해 오염물질이 저감되는 것으로 분석되었다. 또한 LID 시설 내 강우유출수 저감 및 저류를 통해 유역 내 불투수면적보다 최대 7.2 ℃ 낮은것으로 나타났다. 따라서 LID 시설은 비점오염물질 저감 및 도시열섬 현상을 완화시키는 것으로 분석되었다.

목차

Abstract
요약
1. Introduction
2. Materials and Methods
2.1 Characteristics of the study area and LID technologies
2.2 Monitoring procedure, and water quality analysis
3. Results and Discussion
3.1 Stormwater UPL in urban catchments
3.2 UHI mitigation function of LID technologies
3.3 The Comparison of UHI mitigation strategies with other countries
4. Conclusion
Acknowledgment
References

저자정보

  • Md Tashdedul Haque Department of Civil and Environmental Engineering, Kongju National University, Cheonan, Chungnamdo, South Korea
  • Nash Jett DG. Reyes Department of Civil and Environmental Engineering, Kongju National University, Cheonan, Chungnamdo, South Korea
  • Jung-min Lee 이정민. Department of Construction Safety Research, Land & Housing Institute, Daejeon 34047, Korea
  • Heidi B. Guerra Department of Civil and Environmental Engineering, Kongju National University, Cheonan, Chungnamdo, South Korea
  • Minsu Jeon 전민수. Department of Civil and Environmental Engineering, Kongju National University, Cheonan, Chungnamdo, South Korea
  • Hyeseon Choi 최혜선. Department of Civil and Environmental Engineering, Kongju National University, Cheonan, Chungnamdo, South Korea
  • Lee-Hyung Kim 김이형. Department of Civil and Environmental Engineering, Kongju National University, Cheonan, Chungnamdo, South Korea

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