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A new variable for climate change study and implications for the built environment

Author

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  • Wan, Kevin K.W.
  • Cheung, K.L.
  • Yang, Liu
  • Lam, Joseph C.

Abstract

This short technical note presents an attempt to develop a new climatic variable Z for assessing climate change (global warming) with respect to the built environment. Principal component analysis of long-term (30-year) dry-bulb temperature (DBT), wet-bulb temperature and global solar radiation data was conducted in the 5 major climate zones in China. It was found that while the long-term trend was increasing for the DBT in all 5 major climates, hot summer and warm winter climate zone showed a decreasing trend (though slightly) in the annual and seasonal average Z values. This suggests that climate change might not necessarily result in higher cooling loads in buildings.

Suggested Citation

  • Wan, Kevin K.W. & Cheung, K.L. & Yang, Liu & Lam, Joseph C., 2009. "A new variable for climate change study and implications for the built environment," Renewable Energy, Elsevier, vol. 34(3), pages 916-919.
    • Handle: RePEc:eee:renene:v:34:y:2009:i:3:p:916-919
    DOI: 10.1016/j.renene.2008.05.033
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    Cited by:

    1. Lam, Joseph C. & Wan, Kevin K.W. & Lam, Tony N.T. & Wong, S.L., 2010. "An analysis of future building energy use in subtropical Hong Kong," Energy, Elsevier, vol. 35(3), pages 1482-1490.
    2. Yang, Liu & Wan, Kevin K.W. & Li, Danny H.W. & Lam, Joseph C., 2011. "A new method to develop typical weather years in different climates for building energy use studies," Energy, Elsevier, vol. 36(10), pages 6121-6129.
    3. Lam, Tony N.T. & Wan, Kevin K.W. & Wong, S.L. & Lam, Joseph C., 2010. "Impact of climate change on commercial sector air conditioning energy consumption in subtropical Hong Kong," Applied Energy, Elsevier, vol. 87(7), pages 2321-2327, July.

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