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Article: Urban heat island and its effect on the cooling and heating demands in urban and suburban areas of Hong Kong
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TitleUrban heat island and its effect on the cooling and heating demands in urban and suburban areas of Hong Kong
 
AuthorsMemon, RA3
Leung, DYC1 2
Liu, CH1
Leung, MKH1
 
KeywordsAir temperature
Heat island
Suburban area
Urban atmosphere
Hong kong
 
Issue Date2011
 
PublisherSpringer-Verlag Wien. The Journal's web site is located at http://www.springer.at/tac
 
CitationTheoretical And Applied Climatology, 2011, v. 103 n. 3-4, p. 441-450 [How to Cite?]
DOI: http://dx.doi.org/10.1007/s00704-010-0310-y
 
AbstractThis study investigates the urban heat island characteristics of four major areas of Hong Kong. The areas of study include a densely populated and well-developed commercial area (i. e., Tsim Sha Tsui) and three suburban areas (i. e., Cheung Chau, Lau Fau Shan and Sha Tin) with differing degrees of development. The weather station data of respective areas were acquired from the Hong Kong Observatory. The urban heat island intensity, determined as the air-temperature difference between the selected urban/suburban area and the reference rural area (i. e., Ta Kuw Ling) with thin population and lush vegetation, was used for the analysis. Results showed stronger heat island effect during winter and nighttime than during summer and daytime. An investigation of the cooling and heating degree days indicate that all areas have observed higher number of cooling degree days. However, the cooling degree days were the maximum while heating degree days were the minimum in the urban area (i. e., Tsim Sha Tsui). Clearly, the minimum heating degree days and the maximum cooling degree days in the urban area were a direct consequence of urban heat island. The 10-year (i. e., from 1995 to 2005) average shows that Cheung Chau experienced the least number of cooling degree days while Lau Fau Shan experienced the highest number of heating degree days. Seemingly, the area of Cheung Chau offers better thermal comfort conditions with the minimum number of cooling and heating degree days. © 2010 Springer-Verlag.
 
ISSN0177-798X
2013 Impact Factor: 1.742
 
DOIhttp://dx.doi.org/10.1007/s00704-010-0310-y
 
ISI Accession Number IDWOS:000287498700013
Funding AgencyGrant Number
CRCG of the University of Hong Kong
Funding Information:

This project was supported by the CRCG of the University of Hong Kong. The first author is thankful to Professor Muhammad Atif and Mr. Seed Memon who provided necessary facilities and help to carry out this work in CAD-CAM lab, Department of Mechanical Engineering, Mehran University of Engineering & Technology (MUET), Jamshoro, Pakistan.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorMemon, RA
 
dc.contributor.authorLeung, DYC
 
dc.contributor.authorLiu, CH
 
dc.contributor.authorLeung, MKH
 
dc.date.accessioned2011-06-17T09:20:12Z
 
dc.date.available2011-06-17T09:20:12Z
 
dc.date.issued2011
 
dc.description.abstractThis study investigates the urban heat island characteristics of four major areas of Hong Kong. The areas of study include a densely populated and well-developed commercial area (i. e., Tsim Sha Tsui) and three suburban areas (i. e., Cheung Chau, Lau Fau Shan and Sha Tin) with differing degrees of development. The weather station data of respective areas were acquired from the Hong Kong Observatory. The urban heat island intensity, determined as the air-temperature difference between the selected urban/suburban area and the reference rural area (i. e., Ta Kuw Ling) with thin population and lush vegetation, was used for the analysis. Results showed stronger heat island effect during winter and nighttime than during summer and daytime. An investigation of the cooling and heating degree days indicate that all areas have observed higher number of cooling degree days. However, the cooling degree days were the maximum while heating degree days were the minimum in the urban area (i. e., Tsim Sha Tsui). Clearly, the minimum heating degree days and the maximum cooling degree days in the urban area were a direct consequence of urban heat island. The 10-year (i. e., from 1995 to 2005) average shows that Cheung Chau experienced the least number of cooling degree days while Lau Fau Shan experienced the highest number of heating degree days. Seemingly, the area of Cheung Chau offers better thermal comfort conditions with the minimum number of cooling and heating degree days. © 2010 Springer-Verlag.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationTheoretical And Applied Climatology, 2011, v. 103 n. 3-4, p. 441-450 [How to Cite?]
DOI: http://dx.doi.org/10.1007/s00704-010-0310-y
 
dc.identifier.citeulike7780122
 
dc.identifier.doihttp://dx.doi.org/10.1007/s00704-010-0310-y
 
dc.identifier.epage450
 
dc.identifier.hkuros185825
 
dc.identifier.isiWOS:000287498700013
Funding AgencyGrant Number
CRCG of the University of Hong Kong
Funding Information:

This project was supported by the CRCG of the University of Hong Kong. The first author is thankful to Professor Muhammad Atif and Mr. Seed Memon who provided necessary facilities and help to carry out this work in CAD-CAM lab, Department of Mechanical Engineering, Mehran University of Engineering & Technology (MUET), Jamshoro, Pakistan.

 
dc.identifier.issn0177-798X
2013 Impact Factor: 1.742
 
dc.identifier.issue3-4
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-79951810388
 
dc.identifier.spage441
 
dc.identifier.urihttp://hdl.handle.net/10722/134417
 
dc.identifier.volume103
 
dc.languageeng
 
dc.publisherSpringer-Verlag Wien. The Journal's web site is located at http://www.springer.at/tac
 
dc.publisher.placeAustria
 
dc.relation.ispartofTheoretical and Applied Climatology
 
dc.relation.referencesReferences in Scopus
 
dc.rightsThe original publication is available at www.springerlink.com
 
dc.subjectAir temperature
 
dc.subjectHeat island
 
dc.subjectSuburban area
 
dc.subjectUrban atmosphere
 
dc.subjectHong kong
 
dc.titleUrban heat island and its effect on the cooling and heating demands in urban and suburban areas of Hong Kong
 
dc.typeArticle
 
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<description.abstract>This study investigates the urban heat island characteristics of four major areas of Hong Kong. The areas of study include a densely populated and well-developed commercial area (i. e., Tsim Sha Tsui) and three suburban areas (i. e., Cheung Chau, Lau Fau Shan and Sha Tin) with differing degrees of development. The weather station data of respective areas were acquired from the Hong Kong Observatory. The urban heat island intensity, determined as the air-temperature difference between the selected urban/suburban area and the reference rural area (i. e., Ta Kuw Ling) with thin population and lush vegetation, was used for the analysis. Results showed stronger heat island effect during winter and nighttime than during summer and daytime. An investigation of the cooling and heating degree days indicate that all areas have observed higher number of cooling degree days. However, the cooling degree days were the maximum while heating degree days were the minimum in the urban area (i. e., Tsim Sha Tsui). Clearly, the minimum heating degree days and the maximum cooling degree days in the urban area were a direct consequence of urban heat island. The 10-year (i. e., from 1995 to 2005) average shows that Cheung Chau experienced the least number of cooling degree days while Lau Fau Shan experienced the highest number of heating degree days. Seemingly, the area of Cheung Chau offers better thermal comfort conditions with the minimum number of cooling and heating degree days. &#169; 2010 Springer-Verlag.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong
  2. City University of Hong Kong
  3. Mehran University of Engineering &amp; Technology