Analysis of Relation between Variation Characteristics and Climatic Influencing Factors of Shallow Ground Temperature in Shijiazhuang

• 作者: Zhang Cuihua
• 来源期刊: 气象与环境研究：英文版
• 学科: 地球科学
• 关键词: 浅层地温 影响因素 石家庄市 特征 气候 波动变化 总云量 线性趋势
• 年，卷（期）: 2014,（4）
• 页码范围: 5-8
• 页数: 4页
• 分类号: P46

摘要

Based on the daily observation data of shallow ground temperature,total cloud cover,precipitation,evaporation capacity and frozen soil of 5 stations in Shijiazhuang from 1981 to 2010,using methods such as linear trend and complete correlation coefficient,relation between variation characteristics and climatic influencing factors of shallow ground temperature was analyzed to lay the foundation for studying impact factors of shallow ground temperature and provide references for daily maintenance of automatic observation business. The results showed that fluctuant variability and fluctuant range of mean shallow layer ground temperature in Shijiazhuang became smaller with soil layer being deeper for all years and seasons,and the fluctuant variability was maximal in spring and minimal in winter,while the fluctuant range was maximal in summer and minimal in winter; mean shallow layer ground temperature for all years had a warming trend with an obvious warming trend in winter,and warming range in winter was smaller and the extent was weaker with soil layer being deeper while a cooling trend occurred in summer; there was a coincident trend between total cloud cover at night and shallow ground temperature in winter,and between evaporation capacity and shallow ground temperature in summer,while there was an inconsistent trend between maximum depth of frozen soil,period of freezing weather and shallow ground temperature in winter,and between total cloud cover in the daytime,precipitation and shallow ground temperature in summer.