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Volume 28 Issue 1

Jan.  2011

Article Contents
Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 2011 >  28(1): 147-157

Long-Term Trends in Extreme Temperatures in Hong Kong and Southern China

  • 1.

    Hong Kong Observatory, 134A, Nathan Road, Hong Kong,Hong Kong Observatory, 134A, Nathan Road, Hong Kong,Hong Kong Observatory, 134A, Nathan Road, Hong Kong,Hong Kong Observatory, 134A, Nathan Road, Hong Kong


doi: 10.1007/s00376-010-9160-x

  • The observed long-term trends in extreme temperatures in Hong Kong were studied based on the meteorological data recorded at the Hong Kong Observatory Headquarters from 1885--2008. Results show that, over the past 124 years, the extreme daily minimum and maximum temperatures, as well as the length of the warm spell in Hong Kong, exhibit statistically significant long-term rising trends, while the length of the cold spell shows a statistically significant decreasing trend. The time-dependent return period analysis also indicated that the return period for daily minimum temperature at 4oC or lower lengthened considerably from 6 years in 1900 to over 150 years in 2000, while the return periods for daily maximum temperature reaching 35oC or above shortened drastically from 32 years in 1900 to 4.5 years in 2000. Past trends in extreme temperatures from selected weather stations in southern China from 1951--2004 were also assessed. Over 70% of the stations studied yielded a statistically significant rising trend in extreme daily minimum temperature, while the trend for extreme maximum temperatures was found to vary, with no significant trend established for the majority of stations.
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    [12] Yan Zhongwei, Yang Chi, Phil Jones, 2001: Influence of Inhomogeneity on the Estimation of Mean and Extreme Temperature Trends in Beijing and Shanghai, ADVANCES IN ATMOSPHERIC SCIENCES, 18, 309-322.  doi: 10.1007/BF02919312
    [13] Jing-Bei PENG, Cholaw BUEH, Zuo-Wei XIE, 2021: Extensive Cold-Precipitation-Freezing Events in Southern China and Their Circulation Characteristics, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 81-97.  doi: 10.1007/s00376-020-0117-4
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    • Manuscript History

    Manuscript received: 10 January 2011
    Manuscript revised: 10 January 2011
    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

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    Long-Term Trends in Extreme Temperatures in Hong Kong and Southern China

    • 1. Hong Kong Observatory, 134A, Nathan Road, Hong Kong,Hong Kong Observatory, 134A, Nathan Road, Hong Kong,Hong Kong Observatory, 134A, Nathan Road, Hong Kong,Hong Kong Observatory, 134A, Nathan Road, Hong Kong
    • Manuscript received: 2011-01-10
    • Manuscript revised: 2011-01-10

    Abstract: The observed long-term trends in extreme temperatures in Hong Kong were studied based on the meteorological data recorded at the Hong Kong Observatory Headquarters from 1885--2008. Results show that, over the past 124 years, the extreme daily minimum and maximum temperatures, as well as the length of the warm spell in Hong Kong, exhibit statistically significant long-term rising trends, while the length of the cold spell shows a statistically significant decreasing trend. The time-dependent return period analysis also indicated that the return period for daily minimum temperature at 4oC or lower lengthened considerably from 6 years in 1900 to over 150 years in 2000, while the return periods for daily maximum temperature reaching 35oC or above shortened drastically from 32 years in 1900 to 4.5 years in 2000. Past trends in extreme temperatures from selected weather stations in southern China from 1951--2004 were also assessed. Over 70% of the stations studied yielded a statistically significant rising trend in extreme daily minimum temperature, while the trend for extreme maximum temperatures was found to vary, with no significant trend established for the majority of stations.

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