Journal of Cadastre & Land InformatiX (지적과 국토정보)

LX Spatial Information Research Institute (한국국토정보공사 공간정보연구원)
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Comparison between the Road-based and the Parcel-based Address Coordinates for Urban Air Pollution Estimation - A Case Study of Yeongdeungpo-gu, Seoul, Korea -

도심대기오염추정을 위한 도로명주소좌표와 지번주소좌표의 비교 - 서울 영등포 지역의 사례연구 -

  • Received : 2016.10.03
  • Accepted : 2016.12.07
  • Published : 2016.12.10
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Abstract

The address system in Korea was changed to the road-based system in 2014, but the current address coordinates are still largely based on the old, parcel-based system. Compared to the parcel-based address system that defines the center of a parcel as its coordinates, the road-based system locates the coordinates at a certain distance away from the road on which the parcel fronts. The difference in coordinates between these two systems is small, but it can be crucial for micro-level modelling. In order to assess the impact of the discrepancy between the two address systems, this study measured the degree of air pollution exposure at two different locations, the road-based address coordinates and the parcel-based address coordinates, for each of 252 buildings in Yeongdeungpo-gu, Seoul. The air pollution values were estimated using a microscopic air pollution dispersion model, CALINE4, and t-tests and F-tests were conducted to evaluate statistical significance on the observed difference. The results showed a considerable difference in the level of air pollution exposure between the two address systems, suggesting that the on-going use of the parcel-based address coordinates could cause potentially significant errors in micro-level analysis.

2014년 한국의 주소체계는 지번기반에서 도로명기반으로 변화하였다. 그러나 주소좌표는 지번주소체계의 주소좌표를 그대로 사용하고 있다. 지번주소 좌표는 필지의 중심에 위치하는 반면, 도로명 주소 좌표는 도로로부터 일정한 거리에 위치한다. 따라서 도로명주소와 지번주소의 차이는 작지만 미시적 모델링에서는 결정적일수 있다. 두 좌표 그룹의 차이를 살펴보기 위해, 본 연구는 도시지역에서 대기오염 배출량을 추정하는 사례연구를 수행하였다. 도시에서는 필지의 크기가 작기 때문에 두 그룹의 자표간 거리도 작다. 따라서 미시적 대기오염 확산 모델인 CALINE4가 각 좌표에서의 대기오염 추정량의 차이를 살펴보기 위해 선정되었다. 입력자료로 서울시 영등포구의 도로들에 인접한 252개의 건물들을 대상으로 두 그룹의 좌표들이 수집되었다. 각 건물에 대해 두 개의 서로 다른 주소 좌표에 대해 대기오염량이 추정되었고, t 검증과 F 검증을 사용하여 그 값들의 통계적 차이를 검증하였다. 통계적 검증 결과 각 건물의 두 주소에 대해 추정된 대기오염량이 통계적으로 유의한 차이가 있음을 보였다. 따라서 지번주소기반 좌표를 도로명주소의 좌표로 사용하면 미시적 분석에 있어서 상당한 오류를 야기할 수 있다.

Keywords

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