The Research of Air Temperature Variation Characteristics and Trend during 1958-2008
Received date: 2009-05-13
Revised date: 2010-01-01
Online published: 2010-03-10
Supported by
With the original meteorological record, monthly report and informationized manufacture data of 109 stations during 1958-2008 archived by Shanxi Meteorological Information Center, the authors studied the variation trend and characteristics of average air temperature, average maximum and minimum air temperature, and average daily range of air temperature in Shanxi, the results show that: during the resent 51a, the warming trend of average air temperature, average maximum and minimum air temperature separately was 0.306℃/10a,0.337℃/10a and 0.363℃/10a in Shanxi, which was much higher than that of the corresponding period of the whole nation; the warming trend in winter, spring and autumn separately was 0.46℃/10a、0.35℃/10a和0.26 ℃/10a, the warming range was obviously higher than that of the whole nation, though, the warming range in summer was lower than that of the whole nation; the average daily range: was on descending trend in winter, summer and the whole year without exception, while in spring and autumn it was on weak upward trend. North Shanxi is not only the area where the seasonal and annual warming is the most obvious, but also is the area where the decreasing scope and extent of average daily range are maximum, Southwest Shanxi is the area where the increasing scope and extent of average daily range are maximum all the year round, in summer the air temperature appeared obvious dropping trend in the southeast of Shanxi; The contribution that the enhancing factor of urban heat island effect made to the seasonal average air temperature rising of moderate cities and above, is the highest in summer, and the lowest in winter.
Key words： Global warming; Shanxi region; Air temperature; Variation characteristics
MIAO Ai-Mei , WU Cha , GU Li-Dong . The Research of Air Temperature Variation Characteristics and Trend during 1958-2008[J]. Advances in Earth Science, 2010 , 25(3) : 264 -272 . DOI: 10.11867/j.issn.1001-8166.2010.03.0264
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