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    Links between annual, Milankovitch and continuum temperature variability

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    Author's final draft (134.9Kb)
    Figure 1: Temperature scaling at instrumental periods from NCEP. (263.7Kb)
    Figure 2: Patch-work spectral estimate using instrumental and proxy records of surface. (183.5Kb)
    Supplementary information (699.8Kb)
    Date
    2006-03-23
    Author
    Huybers, Peter  Concept link
    Curry, William B.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/986
    As published
    https://doi.org/10.1038/nature04745
    Abstract
    Climatic processes are intimately coupled so that understanding variability at any one time-scale requires some understanding of the whole. Spectra of Earth’s surface temperature exemplify this interdependence, having a continuum of variability following a power-law scaling1–7. But while specific modes of interannual variability are relatively well understood8, 9, the general controls on continuum variability are uncertain and usually described as purely stochastic processes10–13. Here we show that power-laws scale with the size of annual (1 yr) and Milankovitch period (23,000 and 41,000 yr) cycles. The annual cycle corresponds to scaling at monthly to decadal periods, while millennial and longer periods are tied to the Milankovitch cycles. Thus the annual, Milankovitch, and continuum of temperature variability together represent the response to deterministic insolation forcing. The identification of a deterministic control on the continuum provides insight into the mechanisms governing interannual and longer period climate variability.
    Description
    Author Posting. © Nature Publishing Group, 2006. This is the author's version of the work. It is posted here by permission of Nature Publishing Group for personal use, not for redistribution. The definitive version was published in Nature 441 (2006): 329-332, doi:10.1038/nature04745.
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    • Geology and Geophysics (G&G)
    Suggested Citation
    Preprint: Huybers, Peter, Curry, William B., "Links between annual, Milankovitch and continuum temperature variability", 2006-03-23, https://doi.org/10.1038/nature04745, https://hdl.handle.net/1912/986
     
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