| 1951-2005年内蒙古东部气候变化特征分析 |
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| 引用本文： | 苏立娟,李喜仓,邓晓东.1951-2005年内蒙古东部气候变化特征分析[J].气象与环境学报,2008,24(5):24-28. |
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| 作者姓名： | 苏立娟 李喜仓 邓晓东 |
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| 作者单位： | 内蒙古自治区气象科学研究所 |
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| 基金项目： | 中国气象局沈阳大气环境研究所环境安全开放实验室基金 |
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| 摘 要： | 选取1951－2005年内蒙古东部4盟市48个地面气象观测站的地面气象观测资料，采用趋势分析法分析了内蒙古东部地区气温、降水、风速和日照时数的变化趋势及空间分布特征。结果表明：近50 a来内蒙古东部地区气温升高，且极端最低温度升高的程度大于极端最高气温升高的程度；呼伦贝尔东部和赤峰西南部降水增加较明显，通辽降水减少最明显；平均风速变小，仅通辽呈风速增大的趋势；日照时数和降水量的变化趋势相反。
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| 关 键 词： | 内蒙古东部 气象要素 气候变化特征 |
| 收稿时间： | 2008-4-18 |
| 修稿时间： | 2008-6-2 |
Climate change characteristics of Eastern Inner Mongolia from 1951 to 2005 |
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| SU Li-juan,LI Xi-cang,DENG Xiao-dong.Climate change characteristics of Eastern Inner Mongolia from 1951 to 2005[J].Journal of Meteorology and Environment,2008,24(5):24-28. |
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| Authors: | SU Li-juan LI Xi-cang DENG Xiao-dong |
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| Institution: | Inner Mongolia Institute of Meteorological Sciences |
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| Abstract: | Based on the meteorological data of 48 weather stations from 1951 to 2005 in the eastern Inner Mongolia,the changes and spatial distribution characteristics of air temperature,precipitation,wind speed and sunshine duration were analyzed by trend analysis method.The results show that air temperature in the eastern Inner Mongolia increases during recent 50 years,and the increase of extreme minimum temperature is higher than that of extreme maximum temperature.Precipitation increases obviously in the eastern Hulunbeier and the southwestern Chifeng,while it decreases obviously in Tongliao.The mean wind speed decreases except Tongliao.The changes of sunshine duration and precipitation are contrary. |
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| Keywords: | Eastern Inner Mongolia Meteorological elements Climate change characteristics |
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