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A Study on Land Use-Transportation Model for Minimization of CO2 Emission Volumes in District

지구단위에서 CO2 배출량 최소화를 위한 토지이용-교통모형에 관한 연구

  • Jin, Jang-Won (Graduate School of Transportation, Korea National University of Transportation)
  • 진장원 (한국교통대학교 교통대학원 교통계획학과)
  • Received : 2013.06.11
  • Accepted : 2013.07.11
  • Published : 2013.07.31

Abstract

District is not only a place that every urban activities are executing but also basic unit that are forming urban structure. Therefore this study tried to make land use-transportation model through analyzing $CO_2$ exhausting volumes by assuming 270 scenarios those are postulated various land use patterns and transport policies in District. As results, this study shows best District Unit Design technique is the policy that develop equally all blocks or only outer blocks and introduction of car free zone to inner 2 way streets. Most important policy in order to reduce $CO_2$ gas is to introduce Transportation Demand Management especially in case of hyper high density development. In case of low density development, policy of car free streets in 2 ways roads is efficiency for reducing $CO_2$ gas. And suggested land use-transportation model will be good for choosing alternatives those are able to reduce $CO_2$ in District Unit.

지구(district)는 도시를 형성하는 기본 단위로 모든 도시활동이 시작되는 장소이다. 따라서 본 연구에서는 지구단위에서의 교통과 토지이용패턴의 결합 형태에 따른 270개의 시나리오를 가정하고 $CO_2$ 배출량을 분석한 후 $CO_2$ 배출량을 최소화하는 토지이용-교통모형을 작성하고자 하였다. 그 결과 균등 또는 외곽을 고밀도로 개발하는 토지이용패턴이 지구의 중간부나 1개 중앙존만을 개발하는 것보다 $CO_2$ 배출량 감소에 유리한 것으로 파악되었다. $CO_2$ 배출량 감소에 가장 영향을 많이 주는 것은 교통수요관리정책으로, 특히 개발밀도가 높은 상태일수록 $CO_2$를 감소시키기 위해서 교통수요관리는 필수적인 것으로 판단되었다. 고밀개발이 아닌 경우에 주어진 가상 네트워크에서는 2차로도로에 차량통행금지를 시키고 보행자도로로 전환시킬 경우 $CO_2$ 배출량을 감소시킬 수 있음을 알게 되었다. 한편, 제시된 토지이용-교통 회귀모델은 지구설계시 $CO_2$ 배출량을 줄이기 위한 최적대안 선정시 도움을 줄 수 있을 것으로 사료된다.

Keywords

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