Modelling tracer injection for the interpretation of a tracer test in layered fluvial sediments

U. Mohrlok, G. McNeill, T. Elliot, R. Kalin

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

At the Karlsruhe-Knielingen test site a combined tracer test was performed under natural gradient conditions injecting Cl and the noble gas Kr as conservative tracers via a multi-level borehole in the shallow aquifer into a thin upper sand layer and the gravel layer below. The breakthrough of the Kr was detected downstream in the gravel layer as well as in the upper sand layer. Numerical groundwater flow and advective transport modelling of the experimental conditions was applied successfully both to explain the multiple breakthrough according to the layered aquifer and to determine the longitudinal aquifer dispersivities.

LanguageEnglish
Pages395-399
Number of pages5
JournalActa Universitatis Carolinae, Geologica
Volume46
Issue number2-3
Publication statusPublished - 1 Dec 2002

Fingerprint

Aquifers
alluvial deposit
Sediments
tracer
Gravel
aquifer
Sand
modeling
gravel
Groundwater flow
Inert gases
Boreholes
sand
dispersivity
noble gas
groundwater flow
advection
borehole
test

Keywords

  • heterogeneous aquifer
  • numerical simulation
  • natural gradient tracer test
  • krypton
  • chloride
  • numerical groundwater flow
  • tracer test

Cite this

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Modelling tracer injection for the interpretation of a tracer test in layered fluvial sediments. / Mohrlok, U.; McNeill, G.; Elliot, T.; Kalin, R.

In: Acta Universitatis Carolinae, Geologica, Vol. 46, No. 2-3, 01.12.2002, p. 395-399.

Research output: Contribution to journalArticle

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