@article{0bd2fbcf5b904ca7a52b1ca793d2c31a,
title = "A 5.3-million-year history of monsoonal precipitation in Northwestern Australia",
abstract = "New proxy records from deep-sea sediment cores from the northwestern continental margin of Western Australian reveal a 5.3 million year (Ma) history of aridity and tropical monsoon activity in northwestern Australia. Following the warm and dry early Pliocene (~5.3 Ma), the northwestern Australian continent experienced a gradual increase in humidity peaking at about 3.8 Ma with higher than present-day rainfall. Between 3.8 and about 2.8 Ma, climate became progressively more arid with more rainfall variability. Coinciding with the onset of the Northern Hemisphere glaciations and the intensification of the Northern Hemisphere monsoon, aridity continued to increase overall from 2.8 Ma until today, with greater variance in precipitation and an increased frequency of large rainfall events. We associate the observed large-scale fluctuations in Australian aridity with variations in Indian Ocean sea surface temperatures, which largely control the monsoonal precipitation in northwestern Australia.",
keywords = "Australia, monsoon, paleoclimate, Pliocene, Quaternary, runoff",
author = "Stuut, {Jan Berend W.} and {De Deckker}, Patrick and Mariem Saavedra-Pellitero and Franck Bassinot and Drury, {Anna Joy} and Walczak, {Maureen H.} and Kana Nagashima and Masafumi Murayama",
note = "Funding Information: We thank Lallan Gupta and his team at KCC/JAMSTEC for their help with all the ODP core sections. We thank both Rineke Gieles (NIOZ) and Yagyu Shinsuke (KCC/JAMSTEC) for assistance with XRF core scanning. J. B. W. S. acknowledges funding from the Japanese Society for the Promotion of Science (JSPS Grant S16116). This study was performed under the cooperative research program of Center for Advanced Marine Core Research (CMCR), Kochi University 16B050. We are grateful to the Editor Valerie Trouet, for her efforts to have our manuscript reviewed and acknowledge the reviewers L. Lisiecki and an anonymous reviewer. All data presented in this manuscript are available in PANGAEA (www.pangaea.de). This is LSCE contribution 6649. Funding Information: We thank Lallan Gupta and his team at KCC/JAMSTEC for their help with all the ODP core sections. We thank both Rineke Gieles (NIOZ) and Yagyu Shinsuke (KCC/JAMSTEC) for assistance with XRF core scanning. J. B. W. S. acknowledges funding from the Japanese Society for the Promotion of Science (JSPS Grant S16116). This study was performed under the cooperative research program of Center for Advanced Marine Core Research (CMCR), Kochi University 16B050. We are grateful to the Editor Valerie Trouet, for her efforts to have our manuscript reviewed and acknowledge the reviewers L. Lisiecki and an anonymous reviewer. All data presented in this manuscript are available in PANGAEA (www.pangaea. de). This is LSCE contribution 6649. Publisher Copyright: {\textcopyright}2019. American Geophysical Union. All Rights Reserved.",
year = "2019",
month = jun,
day = "28",
doi = "10.1029/2019GL083035",
language = "English",
volume = "46",
pages = "6946--6954",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "12",
}