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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

TitleUrban heat island and its effect on the cooling and heating demands in urban and suburban areas of Hong Kong
Authors
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
Citation
Theoretical And Applied Climatology, 2011, v. 103 n. 3-4, p. 441-450 How to Cite?
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. © 2010 Springer-Verlag.
Persistent Identifierhttp://hdl.handle.net/10722/134417
ISSN
2013 Impact Factor: 1.742
ISI Accession Number ID
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.

References

 

Author Affiliations
  1. The University of Hong Kong
  2. City University of Hong Kong
  3. Mehran University of Engineering & Technology
DC FieldValueLanguage
dc.contributor.authorMemon, RAen_HK
dc.contributor.authorLeung, DYCen_HK
dc.contributor.authorLiu, CHen_HK
dc.contributor.authorLeung, MKHen_HK
dc.date.accessioned2011-06-17T09:20:12Z-
dc.date.available2011-06-17T09:20:12Z-
dc.date.issued2011en_HK
dc.identifier.citationTheoretical And Applied Climatology, 2011, v. 103 n. 3-4, p. 441-450en_HK
dc.identifier.issn0177-798Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/134417-
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.en_HK
dc.languageengen_US
dc.publisherSpringer-Verlag Wien. The Journal's web site is located at http://www.springer.at/tacen_HK
dc.relation.ispartofTheoretical and Applied Climatologyen_HK
dc.rightsThe original publication is available at www.springerlink.comen_US
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 Kongen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0177-798X&volume=103&issue=3-4&spage=441&epage=450&date=2011&atitle=Urban+heat+island+and+its+effect+on+the+cooling+and+heating+demands+in+urban+and+suburban+areas+of+Hong+Kong-
dc.identifier.emailLeung, DYC: ycleung@hku.hken_HK
dc.identifier.emailLiu, CH: chliu@hkucc.hku.hken_HK
dc.identifier.emailLeung, MKH:en_HK
dc.identifier.authorityLeung, DYC=rp00149en_HK
dc.identifier.authorityLiu, CH=rp00152en_HK
dc.identifier.authorityLeung, MKH=rp00148en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s00704-010-0310-yen_HK
dc.identifier.scopuseid_2-s2.0-79951810388en_HK
dc.identifier.hkuros185825en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79951810388&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume103en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage441en_HK
dc.identifier.epage450en_HK
dc.identifier.isiWOS:000287498700013-
dc.publisher.placeAustriaen_HK
dc.identifier.scopusauthoridMemon, RA=26656757300en_HK
dc.identifier.scopusauthoridLeung, DYC=7203002484en_HK
dc.identifier.scopusauthoridLiu, CH=36065161300en_HK
dc.identifier.scopusauthoridLeung, MKH=8862966600en_HK
dc.identifier.citeulike7780122-

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