Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2020, Vol. 36 ›› Issue (23): 99-105.doi: 10.11924/j.issn.1000-6850.casb20191201009

Special Issue: 农业气象

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Climate Characteristics and Change Trend of Xiongan New Area

Liao Yaoming1(), Huang Dapeng1,2()   

  1. 1Laboratory for Climate Studies, National Climate Center, Beijing 100081
    2Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science & Technology, Nanjing 210044
  • Received:2019-12-30 Revised:2020-02-03 Online:2020-08-15 Published:2020-08-13
  • Contact: Huang Dapeng E-mail:lymzxr@cma.gov.cn;huangdp@cma.gov.cn


To provide better climate services for the planning and construction of Xiongan New Area, this paper systematically analyzed the basic climate characteristics and change trend of the Area based on daily meteorological observation data of three national meteorological stations from their establishment to 2018. Spatial distribution characteristics of precipitation and temperature in recent 10 years and the next 10 years in Xiongan were analyzed and predicted by using the refined land surface assimilation data and climate change scenario data. The results showed that the average annual precipitation in Xiongan was 480.8 mm and the precipitation mainly occurred from June to September. During 1961-2018, the average annual precipitation in Xiongan showed a generally decreasing trend, with a significantly decreasing trend in summer and an obviously increasing trend in autumn. In the next 10 years, the precipitation in most areas of Xiongan will increase. The annual average temperature, maximum temperature and minimum temperature in Xiongan was 12.6, 18.7 and 7.3℃ respectively. In the year averaged from 1981 to 2010, the highest monthly temperature appeared in July and the lowest appeared in January. From 1961 to 2018, the average temperature, the average maximum temperature and the average minimum temperature in Xiongan all showed an upward trend, with obvious warming in spring and winter, followed by summer, while the trend in autumn was not obvious. In the next 10 years, the temperature in Xiongan will rise significantly. The annual average sunshine hours in Xiongan were 2335.2 hours. During the year, there were relatively more sunshine hours in spring and summer, and relatively less sunshine hours in autumn and winter. From 1968 to 2018, the annual sunshine hours in Xiongan showed a decreasing trend, with the fastest decreasing rate in autumn and the slowest in spring. The annual average wind speed in Xiongan was 1.7 m/s. During the year, the average wind speed in April was the largest, and the average wind speed in January, August and December was the smallest. From 1961 to 2018, the average wind speed in Xiongan was generally decreasing, with the largest decreasing rate in winter and the smallest in summer.

Key words: temperature, precipitation, sunshine hours, wind speed, change trend, Xiongan New Area

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