摘要:1.实验条件 冉庄水资源实验站位于太行山山前平原的保定市清苑县冉庄镇,属温带大陆性季风气候区,多年平均降雨量500mm,实验站设3个大型地中蒸渗仪,面积均为10m^2,潜水埋深分别为1m、2m和8m。蒸渗仪内为回填亚砂土。每个蒸渗仪埋设3支中子仪测管,观测土壤含水量,同一深度由3支测管中子仪测得的平均值作为这一深度的测点含水率。蒸渗仪中还埋设负压计,用于观测土水势。
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