【目的】吉尔吉斯斯坦共和国地处中亚东北部,天山山脉西麓,与中国新疆阿克苏地区接壤,研究其气候变化及空间变异空特征对于了解中亚气象与环境变化,应对中国新疆气象与环境将出现的演变都具有一定的意义。【方法】基于英国East Anglia大学Climatic Research Unit(CRU)提供的1971 ~ 2000年的降水和气温数据资料,并结合来自世界气象组织(WMO)的9个吉尔吉斯斯坦气象站点国际交换数据,分析吉尔吉斯斯坦共和国近30 a的气候变化特征。【结果】吉尔吉斯斯坦年总降水量为增加趋势,总降水量在东南部相对较少,西南部与塔吉克斯坦邻近地区降水量相对较大,季节差异明显,春季和冬季降水最多,夏季相对较少,与中国新疆降水特征差异较大,呈地中海型气候。年均气温不足10℃,北热南冷,西热东冷,冬季增温趋势明显,春季呈下降趋势,夏季幅度不大,秋季几乎无变化,气温年较差大于周边国家,但气温年较差减小。【结论】与同处于中亚地区的中国新疆在降水及气温变化上存在较大差异,吉尔吉斯斯坦降水量较高,区域差别更为显著。
英文摘要:
【Objective】Kyrgyzstan Republic is located in the northeast of central Asia,and in the western foot of Tianshan Mountains,bordering with Akesu area in Xinjiang. The study of the spatial characteristics of climate change and spatial variability is of great significance for understanding the changes of weather and environment in Central Asia,and for the evolution of the meteorological and environmental changes in Xinjiang. 【Method】Based on the 1971 - 2000 of rainfall and temperature data by CRU(Climatic Research Unit) of the East Anglia University in the UK,and combining international exchange data from the nine climate stations of WMO(World Metrological Organization) in the Kyrgyzstan,this project analyzed the characteristics of climate change nearly 30 years in Kyrgyzstan.【Result】The results show that the annual total precipitation in Kyrgyzstan is increasing,and the total precipitation is relatively small in the southeast; The precipitation in the southwest and Tajikistan is relatively large,the seasonal difference is obvious,the precipitation in spring and winter is the most,and in the summer it is relatively small,and the precipitation characteristics are different from those in Xinjiang,presenting " Mediterranean type climate" with the annual average temperatures less than 10 ℃. The north and west are hot and the south and east are cold. The trend of warming in winter is obvious but is decreasing in spring; in summer time,the change is small and in fall,there is nearly no change. The annual range of temperature is greater than the surrounding countries,with a warming trend,but the annual range of temperature decreased.【Conclusion】Compared with Xinjiang that is also located in Central Asia, Kyrgyzstan precipitation and temperature vary greatly,that is,the rainfall is quite high with significant regional difference.