Drought variability in the eastern Australia and New Zealand summer drought atlas (ANZDA, CE 1500-2012) modulated by the Interdecadal Pacific Oscillation

J.G. Palmer, E.R. Cook, C.S.M. Turney, K. Allen, P. Fenwick, B.I. Cook, Alison O'Donnell, J. Lough, Pauline Grierson, P. Baker

    Research output: Contribution to journalArticle

    53 Citations (Scopus)
    160 Downloads (Pure)

    Abstract

    © 2015 IOP Publishing Ltd. Agricultural production across eastern Australia and New Zealand is highly vulnerable to drought, but there is a dearth of observational drought information prior to CE 1850. Using a comprehensive network of 176 drought-sensitive tree-ring chronologies and one coral series, we report the first Southern Hemisphere gridded drought atlas extending back to CE 1500. The austral summer (December-February) Palmer drought sensitivity index reconstruction accurately reproduces historically documented drought events associated with the first European settlement of Australia in CE 1788, and the leading principal component explains over 50% of the underlying variance. This leading mode of variability is strongly related to the Interdecadal Pacific Oscillation tripole index (IPO), with a strong and robust antiphase correlation between (1) eastern Australia and the New Zealand North Island and (2) the South Island. Reported positive, negative, and neutral phases of the IPO are consistently reconstructed by the drought atlas although the relationship since CE 1976 appears to have weakened.
    Original languageEnglish
    Article number124002
    Pages (from-to)1-13
    Number of pages13
    JournalEnvironmental Research Letters
    Volume10
    Issue number12
    DOIs
    Publication statusPublished - 23 Nov 2015

    Fingerprint

    Atlases
    Drought
    Droughts
    New Zealand
    atlas
    drought
    oscillation
    summer
    Islands
    Chronology
    Anthozoa
    tree ring
    agricultural production
    Southern Hemisphere
    chronology
    coral

    Cite this

    Palmer, J.G. ; Cook, E.R. ; Turney, C.S.M. ; Allen, K. ; Fenwick, P. ; Cook, B.I. ; O'Donnell, Alison ; Lough, J. ; Grierson, Pauline ; Baker, P. / Drought variability in the eastern Australia and New Zealand summer drought atlas (ANZDA, CE 1500-2012) modulated by the Interdecadal Pacific Oscillation. In: Environmental Research Letters. 2015 ; Vol. 10, No. 12. pp. 1-13.
    @article{1c2f12f7725844a0af8eaa65a4576245,
    title = "Drought variability in the eastern Australia and New Zealand summer drought atlas (ANZDA, CE 1500-2012) modulated by the Interdecadal Pacific Oscillation",
    abstract = "{\circledC} 2015 IOP Publishing Ltd. Agricultural production across eastern Australia and New Zealand is highly vulnerable to drought, but there is a dearth of observational drought information prior to CE 1850. Using a comprehensive network of 176 drought-sensitive tree-ring chronologies and one coral series, we report the first Southern Hemisphere gridded drought atlas extending back to CE 1500. The austral summer (December-February) Palmer drought sensitivity index reconstruction accurately reproduces historically documented drought events associated with the first European settlement of Australia in CE 1788, and the leading principal component explains over 50{\%} of the underlying variance. This leading mode of variability is strongly related to the Interdecadal Pacific Oscillation tripole index (IPO), with a strong and robust antiphase correlation between (1) eastern Australia and the New Zealand North Island and (2) the South Island. Reported positive, negative, and neutral phases of the IPO are consistently reconstructed by the drought atlas although the relationship since CE 1976 appears to have weakened.",
    author = "J.G. Palmer and E.R. Cook and C.S.M. Turney and K. Allen and P. Fenwick and B.I. Cook and Alison O'Donnell and J. Lough and Pauline Grierson and P. Baker",
    year = "2015",
    month = "11",
    day = "23",
    doi = "10.1088/1748-9326/10/12/124002",
    language = "English",
    volume = "10",
    pages = "1--13",
    journal = "Environmental Research Letters",
    issn = "1748-9326",
    publisher = "IOP Publishing",
    number = "12",

    }

    Drought variability in the eastern Australia and New Zealand summer drought atlas (ANZDA, CE 1500-2012) modulated by the Interdecadal Pacific Oscillation. / Palmer, J.G.; Cook, E.R.; Turney, C.S.M.; Allen, K.; Fenwick, P.; Cook, B.I.; O'Donnell, Alison; Lough, J.; Grierson, Pauline; Baker, P.

    In: Environmental Research Letters, Vol. 10, No. 12, 124002, 23.11.2015, p. 1-13.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Drought variability in the eastern Australia and New Zealand summer drought atlas (ANZDA, CE 1500-2012) modulated by the Interdecadal Pacific Oscillation

    AU - Palmer, J.G.

    AU - Cook, E.R.

    AU - Turney, C.S.M.

    AU - Allen, K.

    AU - Fenwick, P.

    AU - Cook, B.I.

    AU - O'Donnell, Alison

    AU - Lough, J.

    AU - Grierson, Pauline

    AU - Baker, P.

    PY - 2015/11/23

    Y1 - 2015/11/23

    N2 - © 2015 IOP Publishing Ltd. Agricultural production across eastern Australia and New Zealand is highly vulnerable to drought, but there is a dearth of observational drought information prior to CE 1850. Using a comprehensive network of 176 drought-sensitive tree-ring chronologies and one coral series, we report the first Southern Hemisphere gridded drought atlas extending back to CE 1500. The austral summer (December-February) Palmer drought sensitivity index reconstruction accurately reproduces historically documented drought events associated with the first European settlement of Australia in CE 1788, and the leading principal component explains over 50% of the underlying variance. This leading mode of variability is strongly related to the Interdecadal Pacific Oscillation tripole index (IPO), with a strong and robust antiphase correlation between (1) eastern Australia and the New Zealand North Island and (2) the South Island. Reported positive, negative, and neutral phases of the IPO are consistently reconstructed by the drought atlas although the relationship since CE 1976 appears to have weakened.

    AB - © 2015 IOP Publishing Ltd. Agricultural production across eastern Australia and New Zealand is highly vulnerable to drought, but there is a dearth of observational drought information prior to CE 1850. Using a comprehensive network of 176 drought-sensitive tree-ring chronologies and one coral series, we report the first Southern Hemisphere gridded drought atlas extending back to CE 1500. The austral summer (December-February) Palmer drought sensitivity index reconstruction accurately reproduces historically documented drought events associated with the first European settlement of Australia in CE 1788, and the leading principal component explains over 50% of the underlying variance. This leading mode of variability is strongly related to the Interdecadal Pacific Oscillation tripole index (IPO), with a strong and robust antiphase correlation between (1) eastern Australia and the New Zealand North Island and (2) the South Island. Reported positive, negative, and neutral phases of the IPO are consistently reconstructed by the drought atlas although the relationship since CE 1976 appears to have weakened.

    U2 - 10.1088/1748-9326/10/12/124002

    DO - 10.1088/1748-9326/10/12/124002

    M3 - Article

    VL - 10

    SP - 1

    EP - 13

    JO - Environmental Research Letters

    JF - Environmental Research Letters

    SN - 1748-9326

    IS - 12

    M1 - 124002

    ER -