Pollution flow from a pit latrine when permeable soils of considerable depth exist below the pit

Pollution flow from a pit latrine when permeable soils of considerable depth exist below the pit
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DOI:
10.1093/infdis/62.3.225
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发表时间:
1938-01-01
影响因子:
6.4
通讯作者:
Caldwell, EL
Caldwell, EL
中科院分区:
医学2区
文献类型:
--
作者:
Caldwell, EL

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这一点从图中看得很清楚。2水中的变化,但变化的幅度和速度都不是降水。降雨分布与渗流速率和EVA实验场成正比,地表径流可以忽略不计。由于毛细条纹向地表延伸,使得植物生活产生的水汽构成了温度高、风速大的最重要的因素,另一方面,经过反复的暴雨后,渗入地下水位的沙子已经饱和。冬末春初有一个大的亲地下水位。
It is clear from fig. 2 that variations in the water but that the magnitude and rate of variation were no precipitation. The distribution of the rainfall was impo frequency bore relation to rates of percolation and eva experimental field, surface run-off was negligible. Dur capillary fringe extended to the surface so that evapor by plant life constituted a most important factor in th peratures were high and wind movements brisk and the other hand, percolation to the water table approxim sands had been saturated after repeated heavy rains favorable. In late winter and early spring a large pro water table.