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A global collection of paleoclimate proxy time series over the Common Era

Steiger, Nathan; Horlick, Kaleb; Tardif, Robert; Erb, Michael; Emile-Geay, Julien; Steig, Eric; Hakim, Greg


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{
  "description": "<p>This collection of paleoclimate proxy data currently includes 2591 tree ring chronologies, 197 coral&nbsp;and sclerosponge records, 153 ice core isotope records, 26 speleothem isotope records, 10 lake sediment records, and 1 marine sediment record, for a total of 2,978 records. The proxy records have been collected with a focus on the past 2000 years.</p>\n\n<p>This dataset has been collated through collaborative efforts with the Last Millennium Reanalysis project (Hakim et al. 2016) and provides the basis for the reconstructions presented in Steiger et al. (2018). Though the majority of data records are culled from PAGES2k Consortium&nbsp;(2017) and Breitenmoser et al. (2014), some data was taken from the NOAA NCEI&rsquo;s World Data Center for Paleoclimatology archive. Additionally, data was solicited from multiple investigators such as Eric Steig, Stephanie Hayman, Sylke Draschba, Henning Kuhnert, Andy Baker, and others amounting to approximately 60 coral, ice core, speleothem, and lake sediment datasets, though all files in this archive can be freely shared. Datasets were selected whose resolution was at least 25 years, temporal duration was greater than 40 years, and consisted of proxies that had established proxy system models (forward models).&nbsp;</p>\n\n<p>The data files are in Matlab format and the variables here include the proxy names (&lsquo;lmr2k_names&rsquo;), the proxy data (&lsquo;lmr2k_data&rsquo;), the proxy type (&lsquo;archive&rsquo;), the proxy measurement (&lsquo;msrmt&rsquo;), the proxy latitudes and longitudes (&lsquo;p_lat&rsquo; and &lsquo;p_lon&rsquo;), and the years of the proxies (&lsquo;year&rsquo;). Seasonally resolved proxies have been averaged from April to the following calendar year March.</p>\n\n<p>Updates will be made to this proxy collection as more proxy data become available.</p>\n\n<p>&nbsp;</p>\n\n<p>Breitenmoser, P., et al. &quot;Forward modelling of tree-ring width and comparison with a global network of tree-ring chronologies.&quot;&nbsp;<em>Climate of the Past</em> 10.2 (2014): 437.</p>\n\n<p>PAGES2k Consortium. &quot;A global multiproxy database for temperature reconstructions of the common era.&quot;&nbsp;<em>Scientific&nbsp;Data</em>&nbsp;4, 170088 (2017).</p>\n\n<p>Hakim, Gregory J., et al. &quot;The last millennium climate reanalysis project: Framework and first results.&quot;&nbsp;<em>Journal of Geophysical Research: Atmospheres</em>&nbsp;121.12 (2016): 6745-6764.</p>\n\n<p>Steiger, N. J.&nbsp;et al.&nbsp;&quot;A reconstruction of global hydroclimate and dynamical variables over the Common Era.&quot;&nbsp;<em>Scientific&nbsp;Data&nbsp;</em>5:180086&nbsp;(2018).</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Columbia University", 
      "@id": "https://orcid.org/0000-0003-3817-9168", 
      "@type": "Person", 
      "name": "Steiger, Nathan"
    }, 
    {
      "affiliation": "Oregon State University", 
      "@type": "Person", 
      "name": "Horlick, Kaleb"
    }, 
    {
      "affiliation": "University of Washington", 
      "@type": "Person", 
      "name": "Tardif, Robert"
    }, 
    {
      "affiliation": "Northern Arizona University", 
      "@type": "Person", 
      "name": "Erb, Michael"
    }, 
    {
      "affiliation": "University of Southern California", 
      "@type": "Person", 
      "name": "Emile-Geay, Julien"
    }, 
    {
      "affiliation": "University of Washington", 
      "@type": "Person", 
      "name": "Steig, Eric"
    }, 
    {
      "affiliation": "University of Washington", 
      "@type": "Person", 
      "name": "Hakim, Greg"
    }
  ], 
  "url": "https://zenodo.org/record/1189006", 
  "datePublished": "2018-03-07", 
  "version": "1.0.0", 
  "@context": "https://schema.org/", 
  "distribution": [
    {
      "contentUrl": "https://zenodo.org/api/files/ce79429d-4158-4e63-9e80-e696da397d89/proxydata_aprmar_lmr_v0.2.0_pages2k_v2.mat", 
      "encodingFormat": "mat", 
      "@type": "DataDownload"
    }
  ], 
  "identifier": "https://doi.org/10.5281/zenodo.1189006", 
  "@id": "https://doi.org/10.5281/zenodo.1189006", 
  "@type": "Dataset", 
  "name": "A global collection of paleoclimate proxy time series over the Common Era"
}
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