摘要
利用古浪县1959—2009年的气温、降水、日照时数资料,采用趋势分析方法,对年平均气温、年降水量、年日照时数变化趋势进行分析研究。结果表明:古浪县近51年的年平均气温呈上升趋势,冬季增温最明显;近51年来降水量趋势变化不大,春、夏、冬季降水量有增加趋势,秋季降水则呈减少趋势;日照时数呈上升趋势,春、秋2季呈增加趋势,而夏、冬2季呈减少趋势。
Based on the temperature ,precipitation and sunshine duration data at Gulang station from 1959 to 2009, using trend analysis method, the change trend of annual average temperature, seasonal average temperature, precipitation and sunshine duration were comprehensively analyzed.The results showed that the average temperature in the last 51 years of Gulang County showed an increasing tendency and the wanning trend in winter was obvious.The trend of precipitation in the last 51 years showed a stable trend.The precipitation in spring, summer and winter had an increasing tendency, the precipitation in autumn showed an obvious decreasing trend.The sunshine duration showed an increasing trend,the precipitation in spring and autumn showed an increasing trend,with a decreasing trend in summer and winter.
出处
《现代农业科技》
2011年第17期17-18,共2页
Modern Agricultural Science and Technology
关键词
气温
降水量
日照时数
甘肃古浪
temperature
precipitation
sunshine duration
Gulang Gansu
