摘要
采用数据挖掘技术分析出影响地表土层地温的因素依次为日照、地下水埋深、潜水蒸发量、降水入渗补给量等,因而得出了在一定深度范围内地下水位变化对近地表地温影响较大,从而提出了地下水热岛效应的概念。基于突变理论给出了漏斗区地下水热岛效应临界埋深的判据,提出了热岛效应临界埋深及临界面的概念,据此确定了热岛效应临界埋深值,最后给出了地下水热岛效应图。
The factors influencing topsoil temperature,such as sunshine,groundwater depth,evaporation from phreatic water,precipitation recharge,are analyzed by using data mining technology.And the influence of groundwater level variation in a certain depth range on near-surface temperature is obtained.Then the concept of groundwater heat island effect is put forward.Finally,the criterion of critical depth of groundwater heat island effect for the region of groundwater depression cone is given with the catastrophe theory.In view of the above,the critical depth of heat island effect is calculated and the groundwater heat island effect graph is plotted.
出处
《水电能源科学》
北大核心
2010年第12期30-32,共3页
Water Resources and Power
基金
国家自然科学基金资助项目(50909066)
中央高校科研业务费基金资助项目
关键词
浅层地下水降落漏斗区
地下水位埋深
地下水热岛效应
地下水热岛效应临界埋深
地下水热岛效应临界面
地下水热岛效应图
region of shallow groundwater depression cone
groundwater depth
groundwater heat island effect
critical depth of groundwater heat island effect
critical surface of groundwater heat island effect
groundwater heat island effect graph
