Journal of the Korean Association of Geographic Information Studies (한국지리정보학회지)

The Korean Association of Geographic Information Studies (한국지리정보학회)
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A Study on Monitoring the Land Surface Temperature Changes Caused by Constructions of Rainwater Villages Using the Multi-temporal Landsat-8 Satellite Images

다중시기 Landsat-8 위성영상을 활용한 빗물마을 조성 사업에 의한 지표면 온도 변화 모니터링에 관한 연구

  • CHOUNG, Yun-Jae (Geospatial Research Center, Geo C&I Co., Ltd.) ;
  • YU, Ki-Kwang (Geospatial Information Division, Seoul Metropolitan Government) ;
  • LEE, Yong Ik (Geospatial Information Division, Seoul Metropolitan Government)
  • 정윤재 ((주)지오씨엔아이 공간정보기술연구소) ;
  • 유기광 (서울시청 공간정보담당관) ;
  • 이용익 (서울시청 공간정보담당관)
  • Received : 2019.11.28
  • Accepted : 2020.03.06
  • Published : 2020.03.31
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Abstract

Monitoring the urban environmental changes caused by the urban regeneration project is necessary for evaluating the effect of the various types of urban regeneration projects that have been carried out in Seoul, South Korea. However, there is few available data and professional expert for evaluating the effect of these urban regeneration projects. This research evaluated the effect of the construction of rainwater village in Jangwi-dong area, constructed through the Seoul urban regeneration project, by utilizing the land surface temperatures derived from the multi-temporal Landsat-8 satellite images through the following steps. In the first step, the land surface temperature images were generated using the multispectral bands of the Landsat-8 satellite images. In the final step, the effect of constructing the rainwater villages was assessed by calculating the seasonal LST statistics for Jangwi-dong area, its neighbor area and entire Seoul area. The experimental results led the following conclusion: the construction of rainwater villages did not have the significant effect on the land surface temperature changes in Jangwi-dong area.

서울시 도시재생 사업에 의한 도시환경 변화 파악은 서울시에서 다양한 방법으로 진행되고 있는 도시재생 사업으로 인한 도시환경 변화 탐지를 위해 매우 중요하다. 그러나 도시재생 사업으로 인한 도시환경 변화를 주기적으로 파악할 수 있는 자료가 절대적으로 부족할 뿐만 아니라 자료를 처리하고 분석할 수 있는 인력 또한 현저히 부족하다. 본 연구에서는 다중시기 Landsat 위성영상을 활용하여 도시재생 사업을 통해 조성된 성북구 장위동 빗물마을 지역의 지표온도 변화를 분석함으로써 서울시 빗물마을 조성에 의해 발생한 도시 환경 변화를 다음 과정을 통하여 파악하였다. 우선, 빗물마을 조성 기간 동안 연구대상 지역에서 획득한 Landsat-8 위성영상의 가시광선 및 적외선 밴드를 활용하여 장위동 지역, 장위동 주변 지역 및 서울시 전체 지역의 시계열 지표온도 지도를 제작하였다. 최종적으로 3개 지역의 시계열 지표온도 변화를 측정함으로써, 빗물마을 조성으로 인한 주변지역의 도시환경 변화를 파악하였다. 본 연구에서 도출된 결과의 분석을 통해 장위동 지역에서 진행된 빗물마을 조성사업으로 인해 장위동 지역의 지표온도에 유의미한 변화가 발생했다고 보기는 힘들다는 결론을 내렸다.

Keywords

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