Published December 8, 2022 | Version v1.0.0
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Holocene Reconstruction: Model and proxy data for running code

  • 1. Northern Arizona University
  • 2. Lamont-Doherty Earth Observatory; Hebrew University
  • 3. Rice University
  • 4. University of Leeds
  • 5. University of Bristol


This is the model output and proxy data for running the Holocene data assimilation.

The data assimilation code can be found by searching for "Holocene reconstruction code". Newer versions of the code may be found at To read more about the Holocene data assimilation, see the paper Erb et al., 2022: "Reconstructing Holocene temperatures in time and space using paleoclimate data assimilation".

Once downloaded, unzip this file. It contains a variety of directories. Some are empty but are present to accommodate output generated by the data assimilation code mentioned above. Directories with data are:

  • models/original_model_data/TraCE_21ka/: TraCE-21ka temperature output from:
  • models/original_model_data/HadCM3_transient21k/: HadCM3 temperature output (the spatially smoothed version, signified by "_s" at the end of the filename)
  • proxies/temp12k/ - Temperature 12k proxy records from:


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