Articles | Volume 14, issue 6
Clim. Past, 14, 811–824, 2018
https://doi.org/10.5194/cp-14-811-2018
Clim. Past, 14, 811–824, 2018
https://doi.org/10.5194/cp-14-811-2018

Research article 18 Jun 2018

Research article | 18 Jun 2018

Assessing the impact of large volcanic eruptions of the last millennium (850–1850 CE) on Australian rainfall regimes

Stephanie A. P. Blake et al.

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Cited articles

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Anchukaitis, K. J., Buckley, B. M., Cook, E. R., Cook, B. I., Arrigo, R. D. D., and Ammann, C. M.: Influence of volcanic eruptions on the climate of the Asian monsoon region, Geophys. Res. Lett., 37, L22703, https://doi.org/10.1029/2010GL044843, 2010. 
Ashok, K., Guan, Z., and Yamagata, T.: Influence of the Indian Ocean dipole on the Australian winter rainfall, Geophys. Res. Lett., 30, 15, https://doi.org/10.1029/2003GL017926, 2003 
Brown, J., Lynch, A. H., and Marshall, A. G.: Variability of the Indian Ocean Dipole in coupled model paleoclimate simulations, J. Geophys. Res., 114, D11105, https://doi.org/10.1029/2008JD010346, 2009. 
Cheung, A. N. and Abram, N. J.: Indian Ocean Dipole variability during the Late 13th C, Final Report for EMSC3050 Special Topics Research Project, 2016. 
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We studied the impact of the six largest tropical eruptions in reference to Australian precipitation, the Indian Ocean Dipole (IOD), and El Niño–Southern Oscillation (ENSO). Volcanic forcing increased the likelihood of El Niños and positive IODs (pIOD) and caused positive rainfall anomalies over north-west (NW) and south-east (SE) Australia. Larger sulfate loading caused more persistent pIOD and El Niños, enhanced precipitation over NW Australia, and dampened precipitation over SE Australia.