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You are here : eLibrary : IAHR World Congress Proceedings : 34th Congress - Brisbane (2011) : THEME 3: Water and Carbon: Climate Change Impact : Groundwater modelling in a highly seasonal, fractured rock environment using feflow
Groundwater modelling in a highly seasonal, fractured rock environment using feflow
Author : C.D. Wasko1, W.A. Timms1, and B.M. Miller1
Groundwater modelling in a fractured rock environment, with large seasonal groundwater table fluctuations presents a unique challenge. Groundwater levels vary on a seasonal basis in the order of 4 m, with wetting and drying of surface layers. In this paper, modelling techniques used to develop a stable and realistic numerical model for such challenging conditions at the Ranger mine site are presented. These techniques include using the Equation Editor in FEFLOW to vary the amount of evapotranspiration (ET) with depth, and introducing discrete feature elements into the groundwater model. The ET function depends on water table depth and differs from typical step functions by gradually decreasing with depth.
File Size : 788,546 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 3: Water and Carbon: Climate Change Impact
Date Published : 01/07/2011
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