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Building morphological characteristics and their effect on the wind in Beijing

An urban boundary layer model (UBLM) is improved by incorporating the effect of buildings with a sectional drag coefficient and a height-distributed canopy drag length scale. The improved UBLM is applied to simulate the wind fields over three typical urban blocks over the Beijing area with different... Full description

Journal Title: Advances in Atmospheric Sciences 2009, Vol.26(6), pp.1115-1124
Main Author: Miao, Shiguang
Other Authors: Li, Pingyang , Wang, Xiaoyun
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Springer Science & Business Media B.V.
ID: ISSN: 0256-1530 ; E-ISSN: 1861-9533 ; DOI: 10.1007/s00376-009-7223-7
Link: http://dx.doi.org/10.1007/s00376-009-7223-7
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recordid: springer_jour10.1007/s00376-009-7223-7
title: Building morphological characteristics and their effect on the wind in Beijing
format: Article
creator:
  • Miao, Shiguang
  • Li, Pingyang
  • Wang, Xiaoyun
subjects:
  • building morphological characteristics
  • urban boundary layer model
  • urban canopy model
ispartof: Advances in Atmospheric Sciences, 2009, Vol.26(6), pp.1115-1124
description: An urban boundary layer model (UBLM) is improved by incorporating the effect of buildings with a sectional drag coefficient and a height-distributed canopy drag length scale. The improved UBLM is applied to simulate the wind fields over three typical urban blocks over the Beijing area with different height-to-width ratios. For comparisons, the wind fields over the same blocks are simulated by an urban sub-domain scale model resolving the buildings explicitly. The wind fields simulated from the two different methods are in good agreement. Then, two-dimensional building morphological characteristics and urban canopy parameters for Beijing are derived from detailed building height data. Finally, experiements are conducted to investigate the effect of buildings on the wind field in Beijing using the improved UBLM.
language: eng
source: Springer Science & Business Media B.V.
identifier: ISSN: 0256-1530 ; E-ISSN: 1861-9533 ; DOI: 10.1007/s00376-009-7223-7
fulltext: fulltext
issn:
  • 1861-9533
  • 18619533
  • 0256-1530
  • 02561530
url: Link


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subjectbuilding morphological characteristics ; urban boundary layer model ; urban canopy model
descriptionAn urban boundary layer model (UBLM) is improved by incorporating the effect of buildings with a sectional drag coefficient and a height-distributed canopy drag length scale. The improved UBLM is applied to simulate the wind fields over three typical urban blocks over the Beijing area with different height-to-width ratios. For comparisons, the wind fields over the same blocks are simulated by an urban sub-domain scale model resolving the buildings explicitly. The wind fields simulated from the two different methods are in good agreement. Then, two-dimensional building morphological characteristics and urban canopy parameters for Beijing are derived from detailed building height data. Finally, experiements are conducted to investigate the effect of buildings on the wind field in Beijing using the improved UBLM.
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abstractAn urban boundary layer model (UBLM) is improved by incorporating the effect of buildings with a sectional drag coefficient and a height-distributed canopy drag length scale. The improved UBLM is applied to simulate the wind fields over three typical urban blocks over the Beijing area with different height-to-width ratios. For comparisons, the wind fields over the same blocks are simulated by an urban sub-domain scale model resolving the buildings explicitly. The wind fields simulated from the two different methods are in good agreement. Then, two-dimensional building morphological characteristics and urban canopy parameters for Beijing are derived from detailed building height data. Finally, experiements are conducted to investigate the effect of buildings on the wind field in Beijing using the improved UBLM.
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doi10.1007/s00376-009-7223-7
date2009-11