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Yi, Chaeyeon,Kim, Kyu Rang,An, Seung Man,Choi, Young‐,Jean,Holtmann, Achim,Jä,nicke, Britta,Fehrenbach, Ute,Scherer, Dieter John Wiley Sons, Ltd 2016 International journal of climatology Vol.36 No.2
<P><B>ABSTRACT</B></P><P>The thermal environment in urban areas is substantially influenced by local surface properties and their modification through human activities. The effects of urban climate on human health are one of the motivations for the development of various urban climate analysis tools. Climate Analysis Seoul (CAS) is a tool that incorporates a meso‐scale atmospheric model and conceptual geographic information system (GIS)‐based models to provide gridded air temperature deviations based on high‐resolution land cover information. The CAS output was evaluated using air temperatures observed at 18 automatic weather stations (AWS) located in the detail region (DR) Eunpyeong. Correlation analyses were performed to reveal the influence of different land cover characteristics and CAS output variables on measured air temperature deviations. Based on the results of the correlation analyses in the study region (SR) Seoul, a regression model (total air temperature distribution, TD′) was developed. It predicts spatially distributed air temperatures based on morphological parameters and an observed reference temperature. Using the TD′ model, maps of daily maximum air temperatures were produced for the entire area of Seoul with a horizontal resolution of 25 m, and of 5 m for the DR, the latter allows to assess the impacts of different building and vegetation structures on air temperature by resolving buildings. The TD′ model was evaluated using measurements at eight AWS. The TD′ model slightly overestimated daily maximum air temperatures in 2007 and 2011, but performed better for 2011, mainly because land cover data represent the final state of the urban development. The TD′ model appears to be a suitable tool for estimating air temperature distributions at building‐resolving resolutions. It can be used to assess changes in the thermal environment and heat‐related hazards through urban development plans already ahead of their realization.</P>
토지이용도와 기상모델을 이용한 서울기후분석(CAS)지도 개발
이채연 ( Chae Yeon Yi ),엄정희 ( Jeong Hee Eum ),최영진 ( Young Jean Choi ),김규랑 ( Kyu Rang Kim ),( Dieter Scherer ),( Ute Fehrenbach ),김근회 ( Geun Hoi Kim ) 한국지리정보학회 2011 한국지리정보학회지 Vol.14 No.1
도시 및 환경계획에서는 국지적 기후에 미치는 부정적인 영향을 줄이고 긍정적인 영향을 지속시킬 수 있는 계획 도출이 필요하다. 본 연구는 서울의 도시 및 환경계획 수립을 위해 국지 기온과 바람의 흐름을 고려하여 현실적인 기후분석지도의 개발을 목적으로 수행되었다. 서울기후분석(Climate Analysis Seoul, CAS) 지도는 서울의 도시환경 구조 변화 양상을 적시에 반영하기 위하여 도시기후 분석 및 기후지도 프로세스를 갖춘 전자지도(digital map)이다. 지면의 피복과 기복에 대한 분석자료와 중규모 기상모델인 MetPhoMod의 모의수행 분석결과를 바탕으로 찬공기 생성·이동·정체, 바람흐름, 열적 환경 등을 정량적으로 분석한 결과가 CAS 지도에 담겨있다. 본 연구에서 개발된 CAS를 이용함으로써 도시 개발이 기후에 미치는 영향의 분석 및 평가가 용이하게 되었다. 도시기후분석지도를 통해 도시 및 환경 분야의 계획 과정에서 삶의 질 향상을 위한 기후요소의 활용이 더욱 편리해 질 것으로 기대한다. It is needed to preserve good effects and to prevent bad influences on local climate in urban and environmental planning. This study seeks to develop climate analysis maps to provide realistic information considering local air temperature and wind flows. Quantitative analyses are conducted by CAS for the production, transportation, and stagnation of cold air, wind flow and thermal conditions by incorporating GIS analysis on land cover and elevation and meteorological analysis from MetPhoMod - a mesoscale weather model. The CAS helps The easier analysis and assessment of urban development on local climate. It will contribute to the better life of the people in cities by providing better understanding of the local climate to the urban space planners.