| 近57年巴彦淖尔市平均最高最低气温及日较差变化 |
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| 引用本文： | 陶娜,鲍吉祥,高玲,王冰晨,张丽娅.近57年巴彦淖尔市平均最高最低气温及日较差变化[J].山西气象,2012(2):16-21. |
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| 作者姓名： | 陶娜 鲍吉祥 高玲 王冰晨 张丽娅 |
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| 作者单位： | [1]内蒙古巴彦淖尔市气象局,内蒙古巴彦淖尔015000 [2]内蒙古气象局信息中心,内蒙古呼和浩特010051 |
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| 摘 要： | 利用1954年-2010年内蒙古巴彦淖尔市9个台站的月平均最高、最低气温观测资料，对巴彦淖尔市年、季平均最高、最低气温变化趋势的空间分布状况和时间变化特征进行了分析。结果表明，近57年来，巴彦淖尔市年平均最高气温的变化特征呈现北部增暖幅度明显大于南部，且近十年呈弱降温趋势；年平均最低气温与全国各地基本一致，呈明显的变暖趋势；无论是年还是季，平均最低气温的增暖幅度明显大于平均最高气温的增幅；年平均日较差多呈下降趋势，并在北部地区尤为明显，各季平均日较差亦均呈下降趋势，并以冬季的下降幅度为最大；年平均最高气温和最低气温的变化在年代际变化上基本呈现较为一致的变化，即57年来主要的变暖均是从20世纪80年代中期开始，均在90年代后期达到了近57年来的历史新高，最高气温近十年来又略有回落。
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| 关 键 词： | 最高气温 最低气温 变化趋势 |
The Change of Max and Min Temperature and Daily Range Nearly 57 Years in Bayannaoer |
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| Tao Na,Bao Jixiang,Gao Lin,Wang Bincheng,Zhang Liya.The Change of Max and Min Temperature and Daily Range Nearly 57 Years in Bayannaoer[J].Shanxi Meteorological Quarterly,2012(2):16-21. |
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| Authors: | Tao Na Bao Jixiang Gao Lin Wang Bincheng Zhang Liya |
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| Institution: | 1. Bayannaoer City Meteorology Bureau of Inner Mongolia, Linhe, Inner Mongolia, 015000 ; 2. Inner Mogolia Meteorological Information Center, Huhhot, Inner Mogolia, 010051 ) |
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| Abstract: | The changing trends of spatial distribution and the temporal changes of annual and seasonal mean max and min temperature in Bayannaoer city were analyzed based on the data of monthly mean max and min temperature in Bayannaoer city from 1954 to 2010. The results show that there is the weak decrease trend in nearly decade and the changing characteristics of max temperature show that northern is warmer than southern. Annual mean min temperature is same as other region in China and it shows significantly worm trend. The mean min temperature warming rates are significantly greater than the mean max temperature. There is a downward trend on mean daily range especially in northern region. Each season the average daily range shows a downward trend and winter decline is the largest. Major warming in the past 57 years started from the mid-1980s and it reached the historical high late 1990s. The max temperature has drop slightly over past decade. |
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| Keywords: | Max temperature Min temperature Change trend |
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