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도시의 지표형태학적 특성에 기반한 지면미기후 분석: 기온추정 및 평가

Surface Micro-Climate Analysis Based on Urban Morphological Characteristics: Temperature Deviation Estimation and Evaluation

민재식|김규랑|안승만|권혁기|이채연
한국기상학회 (Korean Meteorological Society)|2016.09|대기 (Atmosphere)|제26권 제3호|pp. 445-459

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참고문헌

키워드

Seoul climateurban micro-climatelocal air temperaturepedestrian thermal environment
주제분류대기과학

초록

Air temperature deviation (ATD) is one of major indicators to represent spatial distribution of urban heat island (UHI), which is induced from the urbanization. The purpose of this study is to evaluate the accuracy of air temperature deviation about Climate Analysis Seoul (CAS) workbench, which had developed by National Institute Meteorological Science and TU Berlin. Comparison and correlation analysis for CAS ATD including meso-scale air temperature deviation, local-scale air temperature deviation, total air temperature deviation, surface heat flux deviation, cold air production deviation among meso-scale numerical modelling variable in ‘Seoul Region’, micro-scale numerical modelling in ‘Detail Region’, and CAS workbench variable using observation data in ground stations. Comparison between night time OBS ATD and CAS ATD show that have most close values. Most of observations (dTmax and dTmin) have highly positive (dTSHP, dTCA, MD, TD, fBS, fUS, fWS, hB) and negative (fVS, fTV, hV, Z) correlations. However, CAS workbench needs further improvement of both observational framework and analytical framework to resolve the problems; (1) night time OBS ATD of has closer values in compare with at high rise mountain area and (2) correlations are very dependable to meteorological scale.

Abstract

Air temperature deviation (ATD) is one of major indicators to represent spatial distribution of urban heat island (UHI), which is induced from the urbanization. The purpose of this study is to evaluate the accuracy of air temperature deviation about Climate Analysis Seoul (CAS) workbench, which had developed by National Institute Meteorological Science and TU Berlin. Comparison and correlation analysis for CAS ATD including meso-scale air temperature deviation, local-scale air temperature deviation, total air temperature deviation, surface heat flux deviation, cold air production deviation among meso-scale numerical modelling variable in ‘Seoul Region’, micro-scale numerical modelling in ‘Detail Region’, and CAS workbench variable using observation data in ground stations. Comparison between night time OBS ATD and CAS ATD show that have most close values. Most of observations (dTmax and dTmin) have highly positive (dTSHP, dTCA, MD, TD, fBS, fUS, fWS, hB) and negative (fVS, fTV, hV, Z) correlations. However, CAS workbench needs further improvement of both observational framework and analytical framework to resolve the problems; (1) night time OBS ATD of has closer values in compare with at high rise mountain area and (2) correlations are very dependable to meteorological scale.

참고문헌 (47)

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