Analysis of Climate Background and
Characteristics in Beijing-Tianjin-Hebei Region during 1982-2010
Abstract: According to the data of Beijing-Tianjin-Hebei region in recent 29 years (1982-2010) of 83 me-teorological stations in the monthly average temperature and monthly precipitation, using trend analysis, mutation test, the empirical orthogonal function (EOF) method, the characteristics of temperature and precipitation change were studied. The results showed that: 1) The difference of spatial distribution of temperature in Beijing-Tianjin-Hebei region is big. In the recent 29 years, the average annual temperature variation has increased. In 1993, there was an abrupt change in temperature. Seasonal temperature was rising, and the upward trend in winter was the most ob-vious, followed by the spring and summer. The rise in autumn was the minimum. 2) Precipitation was uneven according to spatial distribution; the overall annual precipitation showed a decreasing trend; the interannual fluctuation is big. In the four seasons, precipitation in summer was de-creasing, and that in other seasons was weakly increasing; 3) EOF analysis showed that in the study area, the spatial distribution of temperature was consistent with changes in temperature. In the central and western regions, the temperature increased obviously; however, from 1983 to 1987, it declined; it showed an increasing trend after 1988, especially after 1993. The difference in spatial distribution of precipitation was big, and there were large interannual variations. Before 1997, the precipitation mainly increased; from 1998 to 2002, it increased less; after 2003 it increased again.
文章引用: 王书冰 , 吴云龙 , 向 亮 , 牛树倩 (2014) 1982~2010年京津冀地区气候背景与变化特征分析。 气候变化研究快报， 3， 185-194. doi: 10.12677/CCRL.2014.34024
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