LNAPL RETENTION IN SANDY SOIL

被引：20

作者：

OSTENDORF, DW ^{[1
]}

RICHARDS, RJ ^{[1
]}

BECK, FP ^{[1
]}

机构：

[1] US EPA,ROBERT S KERR ENVIRONM RES LAB,ADA,OK 74820

来源：

GROUND WATER | 1993年 / 31卷 / 02期

关键词：

D O I：

10.1111/j.1745-6584.1993.tb01820.x

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The vertical distribution of free and residual aviation gasoline, a light nonaqueous phase liquid (LNAPL), through the capillary fringe of a uniform, medium sand is measured and used to calibrate an existing model. The total saturation profile is governed by a classical moisture retention characteristic, with the matric pressure bead scaled by LNAPL/air surface tension in the presence of free LNAPL and water/air surface tension in the absence of free LNAPL. The residual LNAPL is described by an empirical equation reflecting hysteretical trapping due to a fluctuating water table. The existing theory is calibrated with new and published field data at an aviation gasoline spill site in Traverse City, Michigan.

引用

页码：285 / 292

页数：8

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