南京信息工程大学学报
南京信息工程大學學報
남경신식공정대학학보
JOURNAL OF NANJING UNIVERSITY OF INFORMATION SCIENCE & TECHNOLOGY
2015年
2期
168-173
,共6页
张小平%周建琨%张晓%李智才%张红雨%田粉平
張小平%週建琨%張曉%李智纔%張紅雨%田粉平
장소평%주건곤%장효%리지재%장홍우%전분평
气候变化%降水%气温%趋势%突变分析
氣候變化%降水%氣溫%趨勢%突變分析
기후변화%강수%기온%추세%돌변분석
climate change%precipitation%temperature%trend%mutation analysis
根据朔州市6个地面气象站1960—2010年降水、气温资料,利用折线图、距平图、趋势图、滑动平均、气候变率及统计图表等,对朔州市51 a来气候特征进行具体分析.结果表明:1)51 a来朔州市年降水量总体呈减少趋势,气候倾向率为-6?21 mm/(10 a),减少速度低于全国和山西水平,多雨年集中在20世纪60—70年代,少雨年则比较分散;四季降水量的变化趋势有所不同,夏季降水呈减少趋势,其他季节的降水呈现增加趋势,表明朔州市年降水减少主要是夏季降水减少所致;年、季降水均没有显著突变.2)51 a来朔州市年平均气温以0?285℃/(10 a)的速率波动上升,上升速度显著高于全国和山西水平,20世纪90年代以来这种趋势尤为明显,四季平均气温均为增暖趋势,但增温幅度差异较大,冬季最为明显,增速为0?5℃/(10 a),表明朔州市气候变暖是四季气温增加所致;年和季节的平均气温均存在由低向高的显著突变.3)以20世纪90年代中期为界,将朔州市气候分为冷、暖2个阶段,前为冷期,后为暖期.
根據朔州市6箇地麵氣象站1960—2010年降水、氣溫資料,利用摺線圖、距平圖、趨勢圖、滑動平均、氣候變率及統計圖錶等,對朔州市51 a來氣候特徵進行具體分析.結果錶明:1)51 a來朔州市年降水量總體呈減少趨勢,氣候傾嚮率為-6?21 mm/(10 a),減少速度低于全國和山西水平,多雨年集中在20世紀60—70年代,少雨年則比較分散;四季降水量的變化趨勢有所不同,夏季降水呈減少趨勢,其他季節的降水呈現增加趨勢,錶明朔州市年降水減少主要是夏季降水減少所緻;年、季降水均沒有顯著突變.2)51 a來朔州市年平均氣溫以0?285℃/(10 a)的速率波動上升,上升速度顯著高于全國和山西水平,20世紀90年代以來這種趨勢尤為明顯,四季平均氣溫均為增暖趨勢,但增溫幅度差異較大,鼕季最為明顯,增速為0?5℃/(10 a),錶明朔州市氣候變暖是四季氣溫增加所緻;年和季節的平均氣溫均存在由低嚮高的顯著突變.3)以20世紀90年代中期為界,將朔州市氣候分為冷、暖2箇階段,前為冷期,後為暖期.
근거삭주시6개지면기상참1960—2010년강수、기온자료,이용절선도、거평도、추세도、활동평균、기후변솔급통계도표등,대삭주시51 a래기후특정진행구체분석.결과표명:1)51 a래삭주시년강수량총체정감소추세,기후경향솔위-6?21 mm/(10 a),감소속도저우전국화산서수평,다우년집중재20세기60—70년대,소우년칙비교분산;사계강수량적변화추세유소불동,하계강수정감소추세,기타계절적강수정현증가추세,표명삭주시년강수감소주요시하계강수감소소치;년、계강수균몰유현저돌변.2)51 a래삭주시년평균기온이0?285℃/(10 a)적속솔파동상승,상승속도현저고우전국화산서수평,20세기90년대이래저충추세우위명현,사계평균기온균위증난추세,단증온폭도차이교대,동계최위명현,증속위0?5℃/(10 a),표명삭주시기후변난시사계기온증가소치;년화계절적평균기온균존재유저향고적현저돌변.3)이20세기90년대중기위계,장삭주시기후분위랭、난2개계단,전위랭기,후위난기.
The climate change characteristics in Shuozhou of Shanxi province in recent 51years is analyzed in detail by using the data of precipitation and temperature observed by 6 meteorological stations during 1960—2010.The cli?mate variation and anomaly are showed and analyzed by statistic tables and methods of moving average,linear tend?ency,mutation analysis,etc.The results show that the precipitation in Shuozhou was generally in a decreasing trend in recent 51 years,with a linear decreasing rate of -6?21 mm/(10 a),which is lower than that in Shanxi or in the whole nation.The wet years were mostly in 1960s or 1970s,while the dry years were roughly scattered in the whole period.As for the seasonal variation,precipitation decreased in summer and increased in the other 3 seasons,indica?ting that the annual precipitation decreasing trend is mainly due to the decreased summer precipitation.Yet,no obvi?ous mutation is found in annual or seasonal precipitation variation.The temperature in Shuozhou was generally in a fluctuant increasing trend in recent 51 years, with a linear increasing rate of 0?285 ℃/( 10 a ) , which is significantly higher than that in Shanxi or in the whole nation. The warming trend is more obvious since 1990s. The temperature is in increasing trend in all the 4 seasons with different increasing range,and temperature rises most sig?nificantly in winter with increasing rate of 0?5 ℃/(10 a).Significant mutations are found in annual and seasonal average temperature variations.The climate in Shuozhou during 1960—2010 can be divided into two periods,namely cool period before mid?1990s,and warm period after mid?1960s.