TRAC, a collaborative computer tool for tracer-test interpretation - BRGM - Bureau de recherches géologiques et minières Access content directly
Conference Papers European Physical Journal Year : 2013

TRAC, a collaborative computer tool for tracer-test interpretation


Artificial tracer tests are widely used by consulting engineers for demonstrating water circulation, proving the existence of leakage, or estimating groundwater velocity. However, the interpretation of such tests is often very basic, with the result that decision makers and professionals commonly face unreliable results through hasty and empirical interpretation. There is thus an increasing need for a reliable interpretation tool, compatible with the latest operating systems and available in several languages. BRGM, the French Geological Survey, has developed a project together with hydrogeologists from various other organizations to build software assembling several analytical solutions in order to comply with various field contexts. This computer program, called TRAC, is very light and simple, allowing the user to add his own analytical solution if the formula is not yet included. It aims at collaborative improvement by sharing the tool and the solutions. TRAC can be used for interpreting data recovered from a tracer test as well as for simulating the transport of a tracer in the saturated zone (for the time being). Calibration of a site operation is based on considering the hydrodynamic and hydrodispersive features of groundwater flow as well as the amount, nature and injection mode of the artificial tracer. The software is available in French, English and Spanish, and the latest version can be downloaded from the web site



Applied geology
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Dates and versions

hal-00830238 , version 1 (04-06-2013)



Alexis Gutierrez, Thomas Klinka, Dominique Thiéry, Etienne Buscarlet, Stéphane Binet, et al.. TRAC, a collaborative computer tool for tracer-test interpretation. 6th International Conference on Tracers and Tracing Methods, Jun 2011, Oslo, Norway. 8 p., ⟨10.1051/epjconf/20135003002⟩. ⟨hal-00830238⟩
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