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Long-term Trends of Holiday Climate Comfort and the main meteorological influencing factors over China during 1980~2019
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national climate center

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    Abstract:

    The observational data of meteorological stations during 1980~2019 in China was used in this study, including daily precipitation, daily maximum temperature, humidity, cloud cover and wind speed. Then holiday climate index (HCI) is constructed by these meteorological elements to show holiday climatic suitability over China. The annual mean holiday comfort day (HCD) is 131.1 days over China, with a bimodal distribution throughout the year, which is more in spring and autumn while less in winter and summer. Affected by the effective temperature and wind speed, the annual mean HCD show a significant increasing trend. The bimodal distribution of HCD is more prominent caused by effective temperature, cloud cover and precipitation. The spatial distribution of annual mean HCD is not even in China, which is greater in North China, Huanghuai, Jianghuai, Xinjiang and Yunnan province than those in other regions. HCD in Tibetan is the least in China. HCD in most areas over China has an increasing trend, except for central South China and eastern Hebei province. The spatial distributions of HCD in winter, spring and autumn show increasing trends in most part of China, while decreasing trends in summer. Closely attention on the influence of climate change on holiday comfort over China is conducive to the rational development and utilization of climate resources, providing protection for the sustainable development of tourism industry.

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History
  • Received:April 18,2023
  • Revised:October 20,2023
  • Adopted:December 13,2023
  • Online: May 10,2024
  • Published: