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《QUARTERLY JOURNAL OF APPLIED METEORLOLGY》 1994-01
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CHARACTERISTICS OF TEMPERATURE IN SPATIAL AND TEMPORAL VARIATION IN CHINA DURING RECENT 40 YEARS

Song Lianchun(National Meteorological Center,Beijing 100081)  
Based on the decadely mean temperature at 336 stations in China from 1951 to1990,the statistical methods of empirical orthogonal function(EOF)and periodogramare used to analyse the characteristics of temperature in spatial and temporal variation.The facts that the interannual change and change trend of temperature have significantdifferences among different districts and seasons are revealed.It can be drawn that thetemperature decreases in the first 20 years and increases in the last 20 years. And tem-perature decreases in summer,increases in winter.The periodic oscillation in tempera-ture trend is also analysed in the paper.
【CateGory Index】: P423.3
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