Stochastic discrete model of karstic networks

被引：65

作者：

Jaquet, O

Siegel, P

Klubertanz, G

Benabderrhamane, H

机构：

[1] Colenco Power Engn Ltd, CH-5405 Baden, Switzerland

[2] Agende Natl Gest Dechets Radioactifs, ANDRA, F-92298 Chatenay Malabry, France

来源：

ADVANCES IN WATER RESOURCES | 2004年 / 27卷 / 07期

关键词：

karst geometry; coupled effects; stochastic model; numerical simulation; finite elements;

D O I：

10.1016/j.advwatres.2004.03.007

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Karst aquifers are characterised by an extreme spatial heterogeneity that strongly influences their hydraulic behaviour and the transport of pollutants. These aquifers are particularly vulnerable to contamination because of their highly permeable networks of conduits. A stochastic model is proposed for the simulation of the geometry of karstic networks at a regional scale. The model integrates the relevant physical processes governing the formation of karstic networks. The discrete simulation of karstic networks is performed with a modified lattice-gas cellular automaton for a representative description of the karstic aquifer geometry. Consequently, more reliable modelling results can be obtained for the management and the protection of karst aquifers. The stochastic model was applied jointly with groundwater modelling techniques to a regional karst aquifer in France for the purpose of resolving surface pollution issues. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：751 / 760

页数：10