Title: 3-D numerical evaluation of density effects on tracer tests. 
Resource Type: document --> technical publication --> journal article 
Country: EU Projects 
Year: 2005 
Availability: Journal of Contaminant Hydrology 81(1-4), 89-105. 
Author 1/Producer: Beinhorn M. 
Other Authors/Producers: Dietrich P., Kolditz O. 
Author / Producer Type: EC Project 
Publisher: Elsevier 
Article Weblink (=direct link): http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V ...  
EUGRIS Keyword(s): Diffuse pollution-->Monitoring
Long description: This paper presents numerical simulations carried out to assess the importance of density-dependent flow on tracer plume development. A scenario thought to be typical for tracer tests conducted in the field was used, characterized by a short-term tracer injection phase into a fully penetrating well with a natural hydraulic gradient. The study is based on a three-dimensional model domain. Different model parameters were changed in order to determine their importance to density effects. Results of simulations with different tracer injection rates and durations suggest that the tracer input scenario has a negligible effect on density flow. 
Link to Project(s): AQUATERRA Integrated modelling of the river-sediment-soil-groundwater system; advanced tools for the management of catchment areas and river basins in the context of global change
Submitted By: Dr Antony Chapman WhoDoesWhat?      Last update: 30/04/2009

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