牙克石市近50年气候变化特点及旱涝趋势分析  

Yakeshi City in Recent 50 Years Climate Change Characteristics and Trend Analysis of Drought and Flood

作　　者：张艳娟 

机构地区：[1]牙克石市气象局,内蒙古牙克石022150

出　　处：《内蒙古农业科技》2012年第5期99-100,112,共3页Inner Mongolia Agricultural Science and Technology

摘　　要：利用牙克石市1961-2010年的年平均气温、年降水量、大风、无霜期日数资料分析了牙克石市近50年来的气候变化趋势及旱涝发生特点。分析结果表明:近50年来,牙克石市年平均气温为上升趋势,每10年平均上升了0.32℃。年平均气温波峰及波谷均为明显上升趋势,其中波峰有12～20年周期,波谷有10～16年周期;年降水量变化不是特别明显;旱涝出现的概率呈现出了增加的趋势;大风日数呈明显减少的趋势;无霜期基本无明显的变化。The use of Yakeshi city 1961-2010 year annual average temperature, annual precipitation,wind,frost-free days of Yakeshi city in recent 50 years climate change and drought waterlogging occurrence characteristics. Analysis results show that： in the past 50 years,Yakeshi City,the annual average temperature is rising,the average increase of 0.32~C/10.The annual average temperature of wave crest and trough are clearly on the rise,which has 12-20 year cycle peaks, troughs have 10-16 year cycle; annual precipitation variation is not particularly evident; drought and flood occurrence probability of showing a tendency to increase;gale days showing a decreasing trend;frost-free period basically has no obvious change.

关 键 词：气候变化 气温 降水 大风 无霜期 旱涝趋势 

分 类 号：S162[农业科学—农业气象学]