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http://dx.doi.org/10.14249/eia.2015.24.2.134

Urban Climate Impact Assessment Reflecting Urban Planning Scenarios - Connecting Green Network Across the North and South in Seoul -  

Kwon, Hyuk-Gi (Weather Information Service Engine Project, Hankuk University of Foreign Studies)
Yang, Ho-Jin (Weather Information Service Engine Project, Hankuk University of Foreign Studies)
Yi, Chaeyeon (Weather Information Service Engine Project, Hankuk University of Foreign Studies)
Kim, Yeon-Hee (Forecast Research Division, National Institute of Meteorological Research)
Choi, Young-Jean (Weather Information Service Engine Project, Hankuk University of Foreign Studies)
Publication Information
Journal of Environmental Impact Assessment / v.24, no.2, 2015 , pp. 134-153 More about this Journal
Abstract
When making urban planning, it is important to understand climate effect caused by urban structural changes. Seoul city applies UPIS(Urban Plan Information System) which provides information on urban planning scenario. Technology for analyzing climate effect resulted from urban planning needs to developed by linking urban planning scenario provided by UPIS and climate analysis model, CAS(Climate Analysis Seoul). CAS develops for analyzing urban climate conditions to provide realistic information considering local air temperature and wind flows. Quantitative analyses 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(Meteorology and atmospheric Photochemistry Meso-scale model). In order to reflect land cover and elevation of the latest information, CAS used to highly accurate raster data (1m) sourced from LiDAR survey and KOMPSAT-2(KOrea Multi-Purpose SATellite) satellite image(4m). For more realistic representation of land surface characteristic, DSM(Digital Surface Model) and DTM(Digital Terrain Model) data used as an input data for CFD(Computational Fluid Dynamics) model. Eight inflow directions considered to investigate the change of flow pattern, wind speed according to reconstruction and change of thermal environment by connecting green area formation. Also, MetPhoMod in CAS data used to consider realistic weather condition. The result show that wind corridors change due to reconstruction. As a whole surface temperature around target area decreases due to connecting green area formation. CFD model coupled with CAS is possible to evaluate the wind corridor and heat environment before/after reconstruction and connecting green area formation. In This study, analysis of climate impact before and after created the green area, which is part of 'Connecting green network across the north and south in Seoul' plan, one of the '2020 Seoul master plan'.
Keywords
Climate Analysis Seoul(CAS); Urban Green Space Planning; Urban regeneration; Ventilation path; Urban climate;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
연도 인용수 순위
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24 http://urban.seoul.go.kr