Sunshine Duration Variability in Haihe River Basin, China, during 1966–2015
AbstractSunshine can have a profound impact on the systematic change in climate elements, such as temperature and wind speed, and in turn affects many aspects of the human society. In recent years, there has been a substantial interest in the variation of sunshine duration due to the dramatic global climate change. Hence, there is a need to better understand the variation of sunshine duration in order to cope with climate change. This study aimed to analyze the variation of sunshine duration in Haihe River basin, China, and its relationship with temperature, wind speed and low-level cloudiness. The annual, seasonal and monthly changes of sunshine duration were analyzed based on the data collected from 33 meteorological stations over the Haihe River basin during 1966–2015. It is evident that the annual, seasonal and monthly sunshine duration shows a decreasing trend over time. In addition, the annual sunshine duration is lower with a higher climate tendency rate in the southern and eastern coastal regions than that in the northwestern regions. It is negatively correlated with temperature (r = −0.50) and low-level cloudiness (r = −0.29), but positively with wind speed (r = 0.61). Wind speed may be one of the important causes of the decrease of sunshine duration in the Haihe River basin during 1966–2015. These changes may have significant implications for the hydrological cycle in the area. View Full-Text
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Ren, J.; Lei, X.; Zhang, Y.; Wang, M.; Xiang, L. Sunshine Duration Variability in Haihe River Basin, China, during 1966–2015. Water 2017, 9, 770.
Ren J, Lei X, Zhang Y, Wang M, Xiang L. Sunshine Duration Variability in Haihe River Basin, China, during 1966–2015. Water. 2017; 9(10):770.Chicago/Turabian Style
Ren, Jing; Lei, Xiaohui; Zhang, Yuhu; Wang, Mingna; Xiang, Liu. 2017. "Sunshine Duration Variability in Haihe River Basin, China, during 1966–2015." Water 9, no. 10: 770.
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