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    Publication Date: 2022-05-25
    Description: Author Posting. © American Geophysical Union, 2012. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 117 (2012): D19108, doi:10.1029/2012JD018060.
    Description: Existing paleoclimate data suggest a complex evolution of hydroclimate within the Indo-Pacific Warm Pool (IPWP) during the Holocene epoch. Here we introduce a new leaf wax isotope record from Sulawesi, Indonesia and compare proxy water isotope data with ocean-atmosphere general circulation model (OAGCM) simulations to identify mechanisms influencing Holocene IPWP hydroclimate. Modeling simulations suggest that orbital forcing causes heterogenous changes in precipitation across the IPWP on a seasonal basis that may account for the differences in time-evolution of the proxy data at respective sites. Both the proxies and simulations suggest that precipitation variability during the September–November (SON) season is important for hydroclimate in Borneo. The preëminence of the SON season suggests that a seasonally lagged relationship between the Indian
    Description: J. Tierney acknowledges the NOAA Climate and Global Change Postdoctoral Fellowship for support.
    Description: 2013-04-04
    Keywords: Holocene climate ; Indian monsoon ; Indo-Pacific warm pool ; Leaf waxes ; Stable isotopes ; Walker circulation
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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