天山山区近40年秋季气候变化特征与南、北疆比较

doi:10.13249/j.cnki.sgs.2004.06.674

地理科学 ›› 2004, Vol. 24 ›› Issue (6): 674-679.doi: 10.13249/j.cnki.sgs.2004.06.674

天山山区近40年秋季气候变化特征与南、北疆比较

袁玉江¹, 魏文寿¹, 穆桂金²

1. 中国气象局乌鲁木齐沙漠气象研究所, 新疆乌鲁木齐 830002;
2. 中国科学院新疆生态与地理研究所, 新疆乌鲁木齐 830011

收稿日期:2003-10-28 修回日期:2004-02-10 出版日期:2004-11-20 发布日期:2004-11-20
基金资助:
国家重大基础研究发展规划项目(G1999043502)、国家自然科学基金项目(40265002)和国家科技部项目(2002CCA04600)资助。

Features of Autumn Climate Change in Tianshan Mountainous Area for the Recent 40 Years and Comparison with Those in the Southern and Northern Xinjiang

YUAN Yu-Jiang¹, WEI Wen-Shou¹, MU Gui-Jin²

1. Institute of Desert Meteorology, China Meteorological Administration, Urumqi, Xinjiang 830002;
2. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830002

Received:2003-10-28 Revised:2004-02-10 Online:2004-11-20 Published:2004-11-20

摘要/Abstract

摘要： 利用新疆1959~1998年的秋季温度降水资料,分析天山山区近40年来秋季气候变化的基本特征,所得结果如下: (1) 天山山区秋季温度在冷暖变化阶段上与北疆的相似性强于南疆,但其秋季降水在干湿变化阶段上与南、北疆不同。 (2) 秋季温度空间分布的同步变化性以北疆为最好,南疆最差,天山山区居中。秋季降水空间分布的同步变化性以南疆最好,天山山区最差,北疆居中。 (3) 20世纪60~90年代,天山山区表现为波动升温,而南疆和北疆表现为持续增温,均以90年代温度最高,80年代是三大区域秋季降水最多的年代。60,70及90年代,三大区域的秋季降水均低于30年均值。

Abstract: Using the autumn temperature and precipitation dada during 1959-1998 in Xinjiang, the basic features of autumn climate change in Tianshan mountainous area are analyzed and compared with those in the southern and northern Xinjiang. The main results obtained are as follows: (1) The similarity of warm-cold stage of autumn mean temperature between Tianshan mountainous area and the northern Xinjiang is better than those between Tianshan mountainous area and the southern Xinjiang. But the wet-dry stage of autumn precipitation in Tianshan mountainous area and the northern Xinjiang is different from those in the southern and northern Xinjiang. (2) The synchronous change of spatial distribution of autumn mean temperature is the best in the northern Xinjiang, the worst in the southern Xinjiang and better in Tianshan mountainous area. The synchronous change of spatial distribution of autumn precipitation is the best in the southern Xinjiang, the worst in Tianshan mountainous area and better the northern Xinjiang. ⑶ From the 1960s to the 1990s, autumn mean temperature shows wavy warming in Tianshan mountainous area and continuously increasing trend in the southern and northern Xinjiang. Autumn mean temperature is the highest in the 1990s,and 1.0℃,0.7℃,0.2℃ above the mean for 1961-1990 for Tianshan mountainous area, the southern Xinjiang and the northern Xinjiang respectively. Autumn precipitation in the 1980s is the most for the three large regions, and 17%, 16%, 34% above the mean for 1961-1990 for Tianshan mountainous area, the northern Xinjiang and the southern Xinjiang respectively. Autumn precipitation is all bellow the average for 1961-1990 for the three large regions in the 1960s, 1970s, and 1990s.

中图分类号:

P461

袁玉江, 魏文寿, 穆桂金. 天山山区近40年秋季气候变化特征与南、北疆比较[J]. 地理科学, 2004, 24(6): 674-679.

YUAN Yu-Jiang, WEI Wen-Shou, MU Gui-Jin. Features of Autumn Climate Change in Tianshan Mountainous Area for the Recent 40 Years and Comparison with Those in the Southern and Northern Xinjiang[J]. SCIENTIA GEOGRAPHICA SINICA, 2004, 24(6): 674-679.

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天山山区近40年秋季气候变化特征与南、北疆比较

Features of Autumn Climate Change in Tianshan Mountainous Area for the Recent 40 Years and Comparison with Those in the Southern and Northern Xinjiang

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