| Climate change analysis in the last 50years in Xifeng City |
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| DOI：10.7606/j.issn.1000-7601.2006.04.42 |
| Key Words: climate change precipitation temperature Xifeng City |
| Author Name | Affiliation | | WANG Fei | Institute of Soil and Water Conservation CAS ＆ MWR Northwest A＆F University,Yangling,Shaanxi 712100,China | | MU Xing-min | Institute of Soil and Water Conservation CAS ＆ MWR Northwest A＆F University,Yangling,Shaanxi 712100,China | | JIAO Feng | Institute of Soil and Water Conservation CAS ＆ MWR Northwest A＆F University,Yangling,Shaanxi 712100,China | | ZHANG Xiao-ping | Institute of Soil and Water Conservation CAS ＆ MWR Northwest A＆F University,Yangling,Shaanxi 712100,China | | LI Rui | Institute of Soil and Water Conservation CAS ＆ MWR Northwest A＆F University,Yangling,Shaanxi 712100,China |
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| Abstract: |
| The climate change in Xifeng City,Gansu Province is analyzed,based on the precipitation and temperature data from 1951 to 2001.It is shown that before 1976,the annual precipitation tended to be increased,and after 1976,it tended to be decreased;and the average annual temperature and average lowest temperature was increased significantly.The analysis on the accumulative anomaly of annual precipitation and temperature shows that there are four remarkable climate change stages,including cool and dry stage,cool and wet stage,warm and wet stage and warm and dry stage.The monthly precipitation and temperature change differently.The precipitation increases in winter and early spring while it decreases in July,August and September.The average monthly temperature and average lowest monthly temperature increase significantly.The warm and wet trend is clear in winter,while in the wet period of summer and early autumn,the climate shows a warm and dry trend. |
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