[1]JIA Ling,SUN Dongyuan,NIU Zuirong,et al.Pattern of Maximum and Minimum Temperature Variation in Shule River Basin[J].Research of Soil and Water Conservation,2022,29(01):281-287.
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Pattern of Maximum and Minimum Temperature Variation in Shule River Basin
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
29
Number of periods:
2022 01
Page number:
281-287
Column:
Public date:
2022-02-20
- Title:
- Pattern of Maximum and Minimum Temperature Variation in Shule River Basin
- CLC:
- P468.021
- DOI:
- -
- Abstract:
- In order to explore the evolution pattern of extreme climatic events in the basin, based on the monthly temperature extreme data at Guazhou Station, Yumen Station and Dunhuang Station in the Shule River Basin from 1951 to 2018, the linear trend and moving average methods were used to analyze the characteristics of annual and seasonal extreme temperature changes, sudden changes and periodic characteristics in the Shule River Basin. The results show that:(1)the annual changes of extreme temperature showed an upward trend; the annual maximum and minimum temperatures increased at a rate of 0.06℃/decade and 0.27℃/decade, respectively, but the annual minimum temperature increase trend was more significant than the annual maximum temperature;(2)seasonal changes of maximum temperature showed an upward trend, the tendency rate was in order: winter(0.36℃/decade)>spring(0.23℃/decade)>summer(0.07℃/decade)>autumn(0.01℃decade), and different seasons showed different fluctuating trends;(3)seasonal changes of minimum temperatures all showed a rising and warming trend, and the order of trend rate were autumn(0.53℃/decade>spring(0.39℃/decade)>winter(0.24℃/decade)> summer(0.19℃/decade), and different seasons presented different fluctuating trends;(4)the mutation times of the annual maximum temperature and the annual minimum temperature in the basin occurred in 2011 and 1961, respectively;(5)the first major cycle of the annual maximum temperature and the annual minimum temperature were both 58 years. On the whole, the temperature in the Shule River Basin will continue to rise in the next few years. These research results have certain practical significance for the comprehensive understanding of the characteristics of climate change and the rational development and utilization of water resources in the Shule River Basin.
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Last Update:
2022-02-20