Spatial Analysis on Intra-Urban Temperature Variation under Extreme Hot Weather by Incorporating Urban Planning and Environmental Parameters: A pilot study from Hong Kong
Refereed conference paper presented and published in conference proceedings


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摘要The number of extreme hot weather events have raised significantly in Hong Kong. Due to urban heat island effect, urban thermal environment of Hong Kong has been deteriorated. However, there is limited spatial understanding of intra-urban temperature variation under extreme hot weather conditions and climate-sensitive design for reducing heat load in severe heat events. Thus, there is a need to analyse the spatial distribution of intra-urban temperature variation of extreme hot weather and the impact of urban environment parameters on intra-urban temperature differences.
In this paper, firstly, hourly air temperature records from 40 Hong Kong Observatory stations from 2011 to 2015 were collected to analysis hot night and very hot day. Secondly, for spatially mapping the very hot days and hot nights, kriging, a geostatistical interpolation algorithm, was adopted. Thirdly, urban environmental parameters (digital elevation model information, sky view factor and the NDVI) were incorporated in co-kriging interpolation for a more comprehensive understanding of the correlation of extreme hot weather and their spatial patterns. The generated maps of very hot day and hot night can provide better understanding of intra-urban temperature differences under extreme hot weather events and help to create climate-sensitive design strategies to cope with climate change locally.
著者Meng Cai, Chao Ren, Kevin Ka-Lun Lau, Yong Xu
會議名稱Passive Low Energy Architecture (PLEA) 2017 Conference
會議開始日02.07.2017
會議完結日05.07.2017
會議地點Edinburgh
會議國家/地區英國
會議論文集題名Proceedings of 33rd PLEA International Conference
出版年份2017
月份7
卷號1
頁次26 - 32
國際標準書號978-0-9928957-5-4
語言英式英語

上次更新時間 2018-17-05 於 12:13