Journal article
Sediment cores as archives of historical changes in floodplain lake hydrology
A Lintern, PJ Leahy, A Zawadzki, P Gadd, H Heijnis, G Jacobsen, S Connor, A Deletic, DT McCarthy
Science of the Total Environment | Published : 2016
Abstract
Anthropogenic activities are contributing to the changing hydrology of rivers, often resulting in their degradation. Understanding the drivers and nature of these changes is critical for the design and implementation of effective mitigation strategies for these systems. However, this can be hindered by gaps in historical measured flow data. This study therefore aims to use sediment cores to identify historical hydrological changes within a river catchment. Sediment cores from two floodplain lakes (billabongs) in the urbanised Yarra River catchment (Melbourne, South-East Australia) were collected and high resolution images, trends in magnetic susceptibility and trends in elemental composition..
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Funding Acknowledgements
The authors thank Richard Williamson, Dr. Christy Briles, Peter Kolotelo, Anthony Brosinsky, Nicholas Walsh, Jonathan Tyler, Shaohua Yu, Dr. Ursula Pietrzak, Jack Goralewski, Daniela Fierro, Andrew Jenkinson and Fiona Bertuch for their assistance with field and laboratory work. Peter Kemp (Parks Victoria), Brad Curtis and Peter Tucker (City of Boroondara) and Lachlan Johnson (City of Manningham) allowed the authors access to the two field sites. Dr. Peter Bach assisted in the production of Fig. 1. This research has been supported by the 2013 Monash University Faculty of Engineering Seed Funding Scheme, the Monash-ANSTO collaboration fund and the 2014 AINSE Postgraduate Research Award.