主办单位：中国气象局沈阳大气环境研究所
国际刊号：ISSN 1673-503X
国内刊号：CN 21-1531/P
气象与环境学报

气象与环境学报

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1957～2004年盘锦芦苇湿地的气候变化特征分析

李荣平1;周莉2;谢艳兵1;周广胜1,2   

  1. 1.中国气象局沈阳大气环境研究所 沈阳110016;2.中国科学院植物研究所植被数量生态学重点实验室;北京100039
  • 收稿日期:2006-06-08 修回日期:2006-08-03 出版日期:2006-08-01 发布日期:2006-08-01

Climatic characteristics in Panjin Phragmites communis wetland from 1957 to 2004

LI Rongping ZHOU Li XIE Yanbing ZHOU Guangsheng   

  1. 1.Institute of Atmospheric Environment;China Meteorological Administration;Shenyang 110016;2.Laboratoryof Quantitative Vegetation Ecology;Institute of Botany;the Chinese Academy of Sciences;Beijing 100093
  • Received:2006-06-08 Revised:2006-08-03 Online:2006-08-01 Published:2006-08-01

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摘要： 利用1957～2004年盘锦湿地常规气象资料,分析了盘锦湿地的日照、温度、降水和风速的变化特征。结果表明:日照时数的月变化呈双峰曲线,5月和9月表现为日照高峰,7月为日照低谷;近48 a盘锦湿地的年平均气温呈显著的上升趋势,冬季增温最明显,其次为春季,夏季增温最弱,年平均极端最低温度呈显著的上升趋势;近48 a的年平均风速呈显著的下降趋势,月平均风速变化趋势呈双峰曲线。

关键词: 盘锦湿地, 气温, 降水, 气候变化特征

Abstract: The characteristics of the sunlight,temperature,precipitation and wind speed were analyzed with conventional meteorological data from 1957 to 2004 in Panjin wetland.The results showed that the variety of monthly sunlight appeared a double peaks curve.The peak values of sunshine occurred in May and in September,respectively,while the lower value was in July.The annual average temperature in Panjin wetland in the latest 48 years increased obviously,especially in winter,followed in spring.But the increase trend became slight in summer.The annual average extreme lowest temperature increased obviously,too.However,the annual average wind speed showed significant decrease trend in the latest 48 years.The trend of the monthly average wind speed appeared a double peaks curve.