应用传递函数模型预报农药阿特拉津在土壤中的运移

被引:7
作者
任理
毛萌
机构
[1] 中国农业大学土壤和水科学系
关键词
土壤; 阿特拉津; 吸附; 运移; 淋溶; 穿透曲线; 传递函数模型; 预报;
D O I
10.13243/j.cnki.slxb.2002.04.008
中图分类号
S152 [土壤物理学];
学科分类号
摘要
本文首先对农药阿特拉津 (Atrazine)在稳定流场饱和均质土壤中的运移进行了室内实验研究 ,采用易混合置换的方法 ,获得了示踪溶质Br- 和Atrazine同步脉冲输入 1h后的出流浓度动态 ;其次由批技术得到Atrazine的分配系数 ,进而获得阻滞因子 ,在此基础上应用传递函数模型 ,根据示踪溶质的迁移预报了吸附作用存在时Atrazine在土壤中的运移动态 .
引用
收藏
页码:39 / 45
页数:7
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