Characteristics of Maximum Temperature and High Temperature Days in Hebei Province in Past 50 years
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Abstract:
The interannual and interdecadal changes of maximum temperature and the number of high temperature days in Hebei Province and the regional differences of the changes are analyzed with the observational data in recent 50 years in Hebei. The results indicate that the average maximum temperatures in all parts and the whole province showed an increasing trend; the increasing rate of annual maximum temperature had a range of 0.5 to 1.0 ℃ in most parts of the province, but their warming rates are different. The maximum temperature in winter is the greatest and that in autumn is the smallest. The numbers of days with maximum temperature above 30 ℃ have been increasing from the 1960s to the 1990s for 70% stations. The most rapid warming occurred in the 1980s and 1990s, while the most obvious warming occurred in the eastern plain. The interdecadal change of the number of days with maximum temperature above 35 ℃ was slight, and the interannual change decreased at first and then increased and was smaller.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.