Modeling of TNT transport from landmines: Numerical approach

被引:5
作者
Irrazabal, Maik [1 ]
Hernandez-Rivera, Samuel P. [2 ]
Briano, Julio G. [1 ]
机构
[1] Univ Puerto Rico, Dept Chem Engn, Ctr Chem Sensors Dev, Mayaguez, PR 00681 USA
[2] Univ Puerto Rico, Dept Chem, Ctr Chem Sensors Dev, Mayaguez, PR 00681 USA
关键词
Fate and transport; Signature compounds; Landmines; Chemical detection;
D O I
10.1016/j.chemosphere.2009.07.008
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The fate and transport of TNT has been studied as part of a research program to develop chemical sensors for detecting landmines. The spatial and temporal concentration profiles of TNT and its degradation products depend primarily on the mobility of the water phase. The fate and transport of TNT released from a mine determine the location of the maximum concentration of chemicals on the surface. Chemical detection on the other hand may also provide such spatial location, but the actual position of the landmine is not necessary under the surface of that point. Although this hypothesis seems logical, it has never been proven. This paper presents numerical simulations in 3D (using LaGriT and FEHM codes developed at Los Alamos National Laboratories) of the fate and transport of TNT released from a landmine under changing environmental conditions (such as rainfall and solar radiation). To assess the numerical techniques, we compare numerical simulations to experimental data previously obtained. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:546 / 551
页数:6
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