Stream & groundwater responses to episodic recharge: Integrating time-series analysis & environmental tracers

Duvert, Clement (2016) Stream & groundwater responses to episodic recharge: Integrating time-series analysis & environmental tracers. PhD by Publication, Queensland University of Technology.

Abstract

This dissertation examines the hydrological response of aquifers and streams subjected to highly episodic recharge. Based on high-resolution measurements of a range of novel hydrochemical and isotopic tracers, it is demonstrated that (i) inter-aquifer mixing can be triggered by major recharge events and (ii) the transit time of the groundwater contribution to streams varies considerably with varying recharge rates. These findings suggest that stream–aquifer and inter-aquifer interactions are highly preferential both spatially and temporally, with important implications for the conceptualisation of hydrological processes in complex geological settings.

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53 since deposited on 27 Jul 2016
53 in the past twelve months

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ID Code: 94989
Item Type: QUT Thesis (PhD by Publication)
Supervisor: Cox, Malcolm, Schrank, Christoph, & Raiber, Matthias
Keywords: catchment transit time, climatic fluctuations, inter-aquifer connectivity, isotopic tracers, mountain front recharge, rare earth elements, southeast Queensland, tritium
Divisions: Current > Institutes > Institute for Future Environments
Institution: Queensland University of Technology
Deposited On: 27 Jul 2016 06:15
Last Modified: 27 Jul 2016 06:15

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