treeclim: an R package for the numerical calibration of proxy‐climate relationships

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  • Christian Zang
    Technische Univ. München, Chair of Ecoclimatology Hans‐Carl‐von‐Carlowitz‐Platz 2 DE‐85354 Freising Germany
  • Franco Biondi
    DendroLab, Univ. of Nevada Reno NV 89557 USA

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Description

<jats:p>The R package treeclim helps perform numerical calibration of proxy‐climate relationships, with an emphasis on tree‐ring chronologies. The package provides a unified, fast, and public‐domain compilation of established methods while adding novel functionality not implemented in other software. treeclim includes static and moving bootstrapped response and correlation functions, seasonal correlation analysis, a test for spurious temporal changes in proxy‐climate relations, and the evaluation of reconstruction skills. The stationary bootstrap method has been incorporated into the program as a ‘blocks of blocks’ resampling scheme. Applications of treeclim include the calibration of proxy timeseries used in paleoclimatology, forest ecology, and environmental monitoring.</jats:p>

Journal

  • Ecography

    Ecography 38 (4), 431-436, 2014-12-23

    Wiley

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