摘要
利用1953-2009年锡林浩特市和阿巴嘎旗的气象数据,运用线性倾向率、滑动平均法、距平法和Morlet小波分析法,对比分析了锡林浩特市和阿巴嘎旗气温变化特征。结果表明:近57a阿巴嘎旗的增温速率比锡林浩特市的增温速率大,但气温变化的稳定性却比锡林浩特市平均气温变化的稳定差,易出现灾害天气;从90年代开始平均气温的增温比较明显,对多年平均气温的高低有很大的影响;近57a锡林浩特市和阿巴嘎旗的平均气温在各年代均表现出升温变化特征。在57年尺度上,锡林浩特市和阿巴嘎旗平均气温均存在50a、35a、20a和15a左右的震荡周期;从30年尺度分析,锡林浩特市和阿巴嘎旗平均气温均存在23a、13a和10a左右的震荡周期;平均最高气温和平均最低气温存在明显的非对称变化,使得年较差有减小趋势。
Employing the meteorological data from 1953 to 2009 in Xilinhot and Abag Banner, using linear trendrate, the moving average method, anomaly method and Morlet wavelet analysis method,comparative analysis of the characteristics of temperature variations in Xilinhot and AbagBanner. The results showed that in recent 57years the warming rate of Abag Banneris larger than Xilinhot,but the stability of the temperature change is less stable than the Xilinhot average temperature change , easy to cause the disaster weather since the 1990s the warmingof average temperatures is more obvious and has a great influence on the level of the mean annual temperaturethe temperature in Xilinhot andAbag Banner in every ageshowed a temperature change characteristics in recent 57years. At the 57- year scales, Xilinhot and Abag Banner＇s average temperature both exists 50a, 35a,20aand15afluctuation At the 30-year scales, Xilinhot and Abag Banner＇s average temperature both exists 23a, 13a and 10a fluctuation the mean maximum temperature and mean minimum temperatureexists obvious asymmetric change,make the annual range have the decreasing trend.
出处
《草原与草业》
2015年第3期15-21,共7页
Grassland and Prataculture
基金
内蒙古自然科学基金"内蒙古矿业废弃地土壤环境条件的改善对植被恢复的影响研究"(2014MS0405)
关键词
锡林浩特市
阿巴嘎旗
气温
比较分析
Xilinhot
AbagBanner
temperature comparative analysis
