【摘要】 我国东北北部地区由于受典型的季节性冻土条件的影响,不同积盐期各有不同的地下水类型相伴随;春季积盐期:积盐过程是在冻层上进行的,参与此时积盐的是冻层上水;秋季积盐期,无冻层存在的情况下,潜水参与积盐;冬季积盐期,是冻层下潜水的水位高低及水质状况。更多还原

【Abstract】 In the northeast area which is effected by season frost,different types of groundwater have different salinization period.The salinization period occurs in upper frost layer in spring which the water above the frost salinization,in autumn phreatic water have salinization without frost,in winter,the groundwater below frost have salinizaion.更多还原