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  • Australasian climate over the last 2,000 years: The PAGES AUS2K synthesis x
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Michelle Ho, Danielle C. Verdon-Kidd, Anthony S. Kiem, and Russell N. Drysdale

oscillation (PDO; Mantua et al. 1997 ), based on a network of tree-ring chronologies, fossil coral records, and ice-core records, to infer rainfall and streamflow variability in the Lachlan River Valley located in the central east of the MDB. McGowan et al. (2009) also utilized a PDO proxy, based on a 530-yr flood and drought record in eastern China, to reconstruct the headwater inflows into the Murray River, located in the southeastern corner of the MDB. The hydroclimate reconstructions by Verdon and

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Ailie J. E. Gallant, Steven J. Phipps, David J. Karoly, A. Brett Mullan, and Andrew M. Lorrey

) . c. Paleoclimate proxy data Three published Australasian paleoclimate proxy records and reconstructions, and two remote proxy reconstructions of the Niño-3.4 index, were examined. The first Australasian record was a precipitation reconstruction for tropical northeast Queensland, Australia ( Lough 2007 ). Variations in luminescence from up to 25 coral cores were used to generate four local river flow reconstructions within the approximate domain 17°–23°S, 146°–151°E. Reconstructed river flow was

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B. Timbal and R. Fawcett

–Darling outflow. Some of these attempts, while using paleoclimatic proxy data, also make use of the early instrumental record for calibration and verification purposes—for example, Gallant and Gergis (2011) , who reconstruct River Murray streamflow from the late eighteenth century; also, a similar methodology is used by Gergis et al. (2012) to reconstruct SEA rainfall. Gergis et al. (2012) is of particular interest for this study, and throughout this paper we will describe the similarities and differences

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