[논문]위성영상 분석과 현장조사를 통한 대구 신서혁신도시의 친환경적 도시계획의 적용 검토

김지영; 김은정

doi:10.7848/ksgpc.2019.37.3.143

위성영상 분석과 현장조사를 통한 대구 신서혁신도시의 친환경적 도시계획의 적용 검토
Application of Eco-friendly Planning of Sinseo Innovation City in Daegu using the Analysis of Satellite Image and Field Survey 원문보기

한국측량학회지 = Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, v.37 no.3, 2019년, pp.143 - 156

김지영 (Keimyung University) , 김은정 (Keimyung University)

초록
AI-Helper

본 연구의 목적은 위성영상 자료를 활용한 정규식생지수 및 지표면온도 변화분석과 현장조사를 통해 대구 신서혁신도시가 환경친화적 개발이 이루어졌는가를 검토하는데 목적이 있다. 분석방법으로는 Landsat 위성영상을 활용하여 개발이전(2008년)과 개발이후(2018년)의 정규식생지수와 지표면온도의 변화 값을 도출하였다. 이와 함께 정규식생지수와 지표면온도의 변화가 두드러진 지역을 추출하여 현장조사를 실시함으로써 해당지역의 도시계획적 특징이 어떠한지를 확인하고자 하였다. 연구의 분석결과는 다음과 같다. 우선, 신서혁신도시의 개발로 인해 평균적으로 정규식생지수는 0.07 감소하였고, 지표면온도는 $0.85^{\circ}C$ 증가하였다. 둘째, 정규식생지수가 감소하고 지표면온도가 증가한 구역은 불투성의 재료를 활용한 기반시설이 집중적으로 건설된 곳이었다. 반대로 정규식생지수는 증가하고 지표면온도가 감소한 구역은 생태블럭 주차장, 옥상녹화, 투수성이 높은 보도 포장 등의 설계적 기법을 활용한 곳이었다. 셋째, 지구단위계획 시행지침의 적용 수준을 검토한 결과, 정규식생지수가 증가하고 표준화된 지표면온도가 감소한 구역에서 해당 지침에서 제시한 친환경계획 사항들이 비교적 잘 적용된 것을 확인할 수 있었다. 이 연구를 통해 향후 도시개발사업을 시행할 시에 친환경 도시계획에 대한 방안을 제시할 수 있을 것이다.

Abstract ▼ AI-Helper

The purpose of this study is to examine whether the Sinseo Innovation City of Daegu has been eco-friendly developed by analyzing changes in NDVI (Normalized Difference Vegetation Index) and LST (Land Surface Temperature) and conducting field surveys. Using Landsat satellite images, it compares NDVI and LST changes between the years of 2008 and 2018. The results of the study are as follows. First, the NDVI has decreased by 0.07 and the zLST has increased by $0.85^{\circ}C$ over the past 10 years. Second, districts with lower NDVI and higher zLST were concentrated with infrastructure with impermeable materials. Districts with higher NDVI and lower zLST were utilized urban design techniques such as permeable parking lot, green roof, and permeable pavement. Third, districts with higher NDVI and lower zLST were applied eco-friendly planning items properly by district unit plan guideline. It is meaningful to suggest planing directions and urban planning elements considering the environmental friendly development.

주제어

표/그림 (10)

그림 Fig. 1. Comparison of Google maps of Sinseo Innovation City between 2009 and 2017
그림 Fig. 2. NDVI and zLST of Sinseo Innovation City in 2008 and 2018
그림 Fig. 3. NDVI and zLST difference between 2008 and 2018
표 Table 1. Descriptive statistics of NDVI, LST and zLST
표 Table 2. Descriptive statistics of ⊿NDVI and ⊿zLST
그림 Fig. 4. Districts with lower NDVI and higher zLST
그림 Fig. 5. Google maps and site photos in the areas with lower NDVI and higher zLST
그림 Fig. 7. Google maps and site photos in the areas with higher NDVI and lower zLST
그림 Fig. 6. Districts with higher NDVI and lower zLST
표 Table 3. Checklist of eco-friendly planning items by district unit plan guideline in 10 selected districts

질의응답

핵심어	질문	논문에서 추출한 답변
	향후 연구에서 활용될 수 있는 도시의 사회·물리적 요소에는 어떤 것들이 있는가?	본 연구결과를 바탕으로 향후 도시개발을 추진함에 있어 그린인프라를 함께 고려한 친환경 도시계획 및 개발이 이루어져야 할 것이다. 향후 연구에서는 정규식생지수, 지표면온도 등과 같은 환경지표적 요소들 외에도 인구밀도, 교통량, 용적률 등과 같은 도시의 사회·물리적 요소들을 감안하여 분석을 실시한다면 도시계획 분야에서 효율적으로 적용할 수 있는 유의미한 정책적 제안을 제시할 수 있을 것이다.
	정규식생지수(NDVI)란 무엇인가?	정규식생지수(NDVI)는 식생의 활력도를 나타내는 지수로 그 값은 최소 –1에서 최대 1의 값을 가진다(Chen et al., 2004; Zaidi et al.
	정규식생지수(NDVI)는 식생 분포에 따라 값이 어떻게 나타나는가?	, 2017). 이 값은 식생이 많이 분포하는 지역(농경지, 산림 등)일수록 1에 가까운 양의 값으로 나타나고, 식생이 많이 분포하지 않은 지역(암석, 마른토양, 아스팔트 등) 일수록 –1에 가까운 음의 값으로 나타난다(Quan and Lee, 2009; Jeong and Lee, 2010; Yoon et al., 2013).

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