Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in Constantine

The number of issues assigned to the risks of urban warming has highlighted the extremely problematic nature of this phenomenon that affects the local climate characteristics of urban areas. In this context, city planners are strongly solicited to consider climatic information in their process of d...

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Main Authors: Dounia KHELLAF, Saliha ABDOU
Format: Article
Language:English
Published: University "Hassiba Benbouali" de Chlef 2022-08-01
Series:Revue Nature et Technologie
Subjects:
Online Access:http://google.com:443/index.php/natec/article/view/71
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author Dounia KHELLAF
Saliha ABDOU
author_facet Dounia KHELLAF
Saliha ABDOU
author_sort Dounia KHELLAF
collection DOAJ
description The number of issues assigned to the risks of urban warming has highlighted the extremely problematic nature of this phenomenon that affects the local climate characteristics of urban areas. In this context, city planners are strongly solicited to consider climatic information in their process of design. The use of classification schemes, such as Local Climate Zone (LCZ) is adapted for this type of application. This contribution aims, through the use of the newly developed climate scheme -called LCZ -, to give a better understanding and more objective assessment of the atmospheric Urban Heat Island (UHI) phenomenon in Constantine (Algeria). The three-step procedure of LCZ workflow has been followed in the case study area, to classify the landscape into fragments that are homogeneous in terms of urban characteristics and thermal features. Urban form parameters have been calculated so as to build LCZ types in the study Area. Two measurement campaigns were carried out using fixed stations; to investigate screen-height air temperature distribution inside two LCZ (LCZ5 ‘’open mid-rise’’, LCZ2 ‘’compact mid-rise). Results showed that air temperature intensity has mainly demonstrated a small daily gap and higher night-time amplitude in urbanized LCZ types.
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spelling doaj.art-b12e0ca8ce044ad6bef1419a4ac9d0362023-11-15T16:15:01ZengUniversity "Hassiba Benbouali" de ChlefRevue Nature et Technologie1112-97782437-03122022-08-011301Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in ConstantineDounia KHELLAF0Saliha ABDOU1Laboratory “ABE” (bioclimatic architecture and environment), University of Salah Boubnider, Constantine 3, AlgeriaLaboratory “ABE” (bioclimatic architecture and environment), University of Salah Boubnider, Constantine 3, Algeria The number of issues assigned to the risks of urban warming has highlighted the extremely problematic nature of this phenomenon that affects the local climate characteristics of urban areas. In this context, city planners are strongly solicited to consider climatic information in their process of design. The use of classification schemes, such as Local Climate Zone (LCZ) is adapted for this type of application. This contribution aims, through the use of the newly developed climate scheme -called LCZ -, to give a better understanding and more objective assessment of the atmospheric Urban Heat Island (UHI) phenomenon in Constantine (Algeria). The three-step procedure of LCZ workflow has been followed in the case study area, to classify the landscape into fragments that are homogeneous in terms of urban characteristics and thermal features. Urban form parameters have been calculated so as to build LCZ types in the study Area. Two measurement campaigns were carried out using fixed stations; to investigate screen-height air temperature distribution inside two LCZ (LCZ5 ‘’open mid-rise’’, LCZ2 ‘’compact mid-rise). Results showed that air temperature intensity has mainly demonstrated a small daily gap and higher night-time amplitude in urbanized LCZ types. http://google.com:443/index.php/natec/article/view/71ConstantineLocal Climate Zone (LCZ)Urban Climate/Urban Heat Island (UHI)
spellingShingle Dounia KHELLAF
Saliha ABDOU
Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in Constantine
Revue Nature et Technologie
Constantine
Local Climate Zone (LCZ)
Urban Climate/Urban Heat Island (UHI)
title Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in Constantine
title_full Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in Constantine
title_fullStr Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in Constantine
title_full_unstemmed Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in Constantine
title_short Quantification urban heat island (UHI) using the local climate zone classification (LCZ): A case study in Constantine
title_sort quantification urban heat island uhi using the local climate zone classification lcz a case study in constantine
topic Constantine
Local Climate Zone (LCZ)
Urban Climate/Urban Heat Island (UHI)
url http://google.com:443/index.php/natec/article/view/71
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AT salihaabdou quantificationurbanheatislanduhiusingthelocalclimatezoneclassificationlczacasestudyinconstantine