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Ground Water. 2017 Jan;55(1):129-135. doi: 10.1111/gwat.12438. Epub 2016 Jun 23.

A Straightforward Random Walk Model for Fast Push-Pull Tracer Test Evaluation.

Ground water

Stephan Klotzsch, Martin Binder, Falk Händel

Affiliations

  1. Institute for Groundwater Management, Technische Universität Dresden, Bergstraße 66, 01062 Dresden, Germany.
  2. Helmholtz-Centre for Environmental Research, Department Monitoring and Exploration Technologies, Permoserstraße 15, 04318 Leipzig, Germany.

PMID: 27339746 DOI: 10.1111/gwat.12438

Abstract

In this article, we present a straightforward random walk model for fast evaluation of push-pull tracer tests. By developing an adaptive algorithm, we overcome the problem of manually defining how many particles have to be used to simulate the transport problem. Beside this, we validate the random walk model by evaluating a push-pull tracer test with drift phase and confirm the results with MT3DMS. The random walk model took less than 1% of computational time of MT3DMS, thus allowing a remarkable faster evaluation of push-pull tracer tests.

© 2016, National Ground Water Association.

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