Regional summer temperature decrease against global warming in China, landform effect? |
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| Authors: | Aigang Lu Deqian Pang Yuanqing He Hongxi Pang Tianming Wang Jianping Ge |
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| Institution: | (1) Ministry of Education Key Laboratory for Biodiversity Science and Engineering, College of Life Sciences, Beijing Normal University, Beijing, 100875, China;(2) Institute of Geography Research, Weinan Teachers College, Weinan, 714000, Shaanxi, China;(3) Cold and Arid Regions Environmental and Engineering Institute, Chinese Academy of Sciences, Lanzhou, 730000, Gansu, China |
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| Abstract: | The data of 160 national meteorological observatory (NMO) stations with long-term monthly temperature data for China were
analyzed in this study to show the basin-centered summer temperature decrease against global warming in the past half century.
The summer and winter isotherm structures of 1950s and 1990s worked out by interpolation show the isotherm structure variations:
the isotherm structure generally moves northward in winter, but in summer it is characterized with separate high-temperature
and low-temperature centers and the isotherm structure moves inward the centers with global warming, indicating that the temperature
in the highland areas increases but that in the lowland areas decreases in the summer of the duration. The possible mechanism
of the basin-centered temperature decrease in summer is discussed in this paper. |
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| Keywords: | Isotherm structure seasonal variation summer temperature decrease plateau-basin effect China |
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