1961-2015年濉溪县气候变化分析

利用1961—2015年濉溪县日照、气温、降水等气象资料，采用统计分析方法对濉溪县气候变化进行分析。结果表明，近55年濉溪县全年和冬夏季日照时数明显减少，4月增加；全年和1—4、10月平均气温显著升高，年均最高气温无明显变化，全年和1—6、9—10、12月最低气温显著上升，全年和1—3、5—8、12月温差显著减少；9月降水量趋于减少，全年和春季雨日显著减少；全年和冬季、春季、夏季蒸发量显著减少；相对湿度、湿润指数略有降低，9月湿润指数趋于减少。可见，近55年濉溪县气候呈现“暖干化”趋势。

Analysis on Climate Change in Suixi County during 1961-2015

Using sunshine, temperature, precipitation data in Suixi County during 1961-2015, the climate change was analyzed by using sta-tistical analysis method.The results showed that in recent 55 years in Suixi County, sunshine hours of whole year and winter, summer were ob-viously decreased, increased in Apr.; average tempearture of whole year, Jan.-Apr., Oct.was obviously increased, annual average maxi-mum temperature had no obvious change, minimum temperature of whole year, Jan.-Jun., Sep.-Oct., Dec.was significantly increased, tem-perature difference of whole year, Jan.-Mar., May-Aug., Dec.was obviously reduced; precipitation in Sep.was decreased, rain days of whole year and spring was obviously reduced; evaporation capacity of whole year, winter, spring, summer was significantly reduced; relative humidity, moisture index was slightly reduced, moisture index of Sep.was decreased.The climate in Suixi County in recent 55 years presen-ted warming and drying trend.