{"id":302,"date":"2026-03-16T12:45:16","date_gmt":"2026-03-16T16:45:16","guid":{"rendered":"https:\/\/www.geol.umd.edu\/~mnevans\/?page_id=302"},"modified":"2026-03-16T12:45:16","modified_gmt":"2026-03-16T16:45:16","slug":"data_code","status":"publish","type":"page","link":"https:\/\/www.geol.umd.edu\/~mnevans\/data_code\/","title":{"rendered":"Data and Code"},"content":{"rendered":"<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>Product<\/td>\n<td>Data link<\/td>\n<td>References<\/td>\n<\/tr>\n<tr>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/readme_kiritimati.txt\">Kiritimati coral stable isotope (<sup>13<\/sup>C, <sup>18<\/sup>O) data (1938-1993)<\/a><\/td>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/kiritimati1.txt\">WDCA-Paleo<\/a><\/td>\n<td>Evans et al., <a href=\"..\/preprints\/394732a0.pdf\">1998<\/a>, <a href=\"..\/preprints\/1999JC900001.pdf\">1999<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/readme_kiritimati.txt\">Kiritimati coral minor element (Sr\/Ca) data (1981-1986)<\/a><\/td>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/kiritimati2.txt\">WDCA-Paleo<\/a><\/td>\n<td>Evans et al., <a href=\"..\/preprints\/394732a0.pdf\">1998<\/a>, <a href=\"..\/preprints\/1999JC900001.pdf\">1999<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/west_pacific\/sst_evans2002\/readme_evans2002.txt\">Pacific SST field reconstructions from coral data (1801-1990)<\/a><\/td>\n<td><a href=\"http:\/\/markov.ldeo.columbia.edu:81\/%28\/data\/siberia\/mevans\/WDCA\/2001-068\/Pac_ssta_coral.cdf%29readCDF\/\">Ingrid<\/a> or <a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/sst_evans2002\/\">WDCA-Paleo<\/a><\/td>\n<td>Evans et al., <a href=\"..\/preprints\/2000PA000498.pdf\">2000<\/a>, <a href=\"..\/preprints\/crec.pdf\">2002<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/west_pacific\/sst_evans2002\/readme_evans2002.txt\">Pacific SST field reconstructions from tree-ring data (1591-1990)<\/a><\/td>\n<td><a href=\"http:\/\/markov.ldeo.columbia.edu:81\/%28\/data\/siberia\/mevans\/WDCA\/2001-068\/Pac_ssta_tree.cdf%29readCDF\/\">Ingrid<\/a> or <a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/sst_evans2002\/\">WDCA-Paleo<\/a><\/td>\n<td>Evans et al., <a href=\"..\/preprints\/pdv.pdf\">2001<\/a>, <a href=\"..\/preprints\/crec.pdf\">2002<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/sst_evans2002\/readme_evans2002.txt\">Pacific SST fields from instrumental data (1856-1990; basis for coral and tree-ring reconstructions)<\/a><\/td>\n<td><a href=\"http:\/\/markov.ldeo.columbia.edu:81\/expert\/%28\/data\/siberia\/mevans\/WDCA\/2001-068\/data.cdf%29readCDF\/.Pac_ssta_instrum\/.ssta\/\">Ingrid<\/a> or <a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/coral\/east_pacific\/sst_evans2002\/\">WDCA-Paleo<\/a><\/td>\n<td><a href=\"http:\/\/iridl.ldeo.columbia.edu\/SOURCES\/.KAPLAN\/.RSA_MOHSST5.cuf\/.dataset_documentation.html\">Kaplan et al., 1998<\/a>; <a href=\"..\/preprints\/crec.pdf\">Evans et al., 2002<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"bond2001\/readme.txt\">Data published in Bond et al. (2001)<\/a><\/td>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/contributions_by_author\/bond2001\/bond2001.txt\">WDCA<\/a> or 325 Kb xls <a href=\"bond2001\/Bond2001r.xls\">file<\/a><\/td>\n<td><a href=\"..\/preprints\/Bond_et_al.pdf\">Bond et al. (2001)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Recipe for rapid Brendel et al. (2000)-style extraction of <em>~O(mg)<\/em> wood samples to alpha-cellulose<\/td>\n<td>16Kb <a href=\"cellv3p.pdf\">pdf<\/a><\/td>\n<td><a href=\"..\/preprints\/trp04.pdf\">Evans and Schrag, 2004<\/a>; <a href=\"..\/preprints\/ac7020272.pdf\">Anchukaitis et al., 2008<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"readme.ES04.txt\">Stable isotope data from tropical trees (Costa Rica, Peru)<\/a><\/td>\n<td>WDCA-Paleo or here (<a href=\"trp04.tar.gz\">tar.gz file<\/a>)<\/td>\n<td><a href=\"..\/preprints\/trp04.pdf\">Evans and Schrag, 2004<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/treering\/isotope\/northamerica\/costarica\/evans2007\/evans2007.txt\">Code for forward modeling time series of stable isotopes in tropical trees<\/a><\/td>\n<td>matlab\/octave compatible function v. 1, run script, test dataset (347Kb <a href=\"imo.tar.gz\">tar.gz file<\/a> or WDCA-Paleo <a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/treering\/isotope\/northamerica\/costarica\/evans2007\/evans2007.txt\">text file<\/a>)<\/td>\n<td><a href=\"..\/preprints\/2006GC001406.pdf\">Evans, 2007<\/a><\/td>\n<\/tr>\n<tr>\n<td>Database of modeled oxygen isotopic timeseries in tropical trees<\/td>\n<td><a href=\"http:\/\/markov.ldeo.columbia.edu:81\/%28\/home\/mevans\/im7\/im7.in%29\/readfile\/\">Ingrid<\/a><\/td>\n<td><a href=\"..\/preprints\/2006GC001406.pdf\">Evans, 2007<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"http:\/\/www.ldeo.columbia.edu\/%7Ekja\/monteverde\/\">Stable isotope data from Monteverde, Costa Rica trees<\/a><\/td>\n<td><a href=\"http:\/\/hurricane.ncdc.noaa.gov\/pls\/paleox\/f?p=519:1:0::::P1_STUDY_ID:16139\">WDCA<\/a> or tarfile <a href=\"http:\/\/www.whoi.edu\/kja\/access\/public\/anchukaitisEvansPNAS2010.tar\">here<\/a><\/td>\n<td><a href=\"http:\/\/one.geol.umd.edu\/www\/preprints\/2007JG000613.pdf\">Anchukaitis et al (2008)<\/a>;<a href=\"http:\/\/www.pnas.org\/cgi\/doi\/10.1073\/pnas.0908572107\"> Anchukaitis and Evans (2010)<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/softlib\/vs-lite\/readme-vslite.txt\">VS-Lite code for forward modeling tree-ring widths<\/a> (also parameter estimation code)<\/td>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/softlib\/vs-lite\/\">WDCA-Paleo<\/a><\/td>\n<td>Tolwinski-Ward et al (<a href=\"..\/preprints\/Tolwinski-Ward_etal2011erratum.pdf\">2011<\/a> ;<a href=\"..\/preprints\/Tolwinski-Ward_etal2011erratum.pdf\"> 2011-Erratum<\/a>); <a href=\"http:\/\/www.clim-past.net\/9\/1481\/2013\/cp-9-1481-2013.html\">Tolwinski-Ward et al (2013<\/a>)<\/td>\n<\/tr>\n<tr>\n<td><a href=\"http:\/\/hurricane.ncdc.noaa.gov\/pls\/paleox\/f?p=519:1:0::::P1_STUDY_ID:17267\">Stable isotope data from northern Queensland Kauri<\/a><\/td>\n<td><a href=\"ftp:\/\/ftp.ncdc.noaa.gov\/pub\/data\/paleo\/treering\/isotope\/australia\/queensland2014tr-iso.txt\">WDCA-Paleo<\/a> or <a href=\"boysen2014\/BEB14.zip\">zipfile<\/a><\/td>\n<td><a href=\"http:\/\/www.plosone.org\/article\/info%3Adoi%2F10.1371%2Fjournal.pone.0102336\">Boysen et al (2014)<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.ncdc.noaa.gov\/cdo\/f?p=519:1:::::P1_STUDY_ID:17955\">PAGES\/Ocean2k reconstruction of regional tropical sea surface temperatures<\/a><\/td>\n<td><a href=\"https:\/\/www.ncdc.noaa.gov\/cdo\/f?p=519:1:::::P1_STUDY_ID:17955\">WDCA-Paleo<\/a><\/td>\n<td>Tierney et al (2015)<\/td>\n<\/tr>\n<tr>\n<td>Realistically nonlinear and multivariate pseudoproxy series for pseudoproxy reconstructions<\/td>\n<td>WDCA-Paleo or <a href=\"evans_etal2014\/evans_etal2014_wdca_submit.mat\">matlab workspace<\/a> and <a href=\"evans_etal2014\/mk_wdca_submit.m\">readme<\/a> file; SI <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1002%2F2014GL062063&amp;file=grl52373-sup-0001-Readme.txt\">readme<\/a> and <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1002%2F2014GL062063&amp;file=grl52373-sup-0002-Supplementary.pdf\">SI<\/a><\/td>\n<td><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/abs\/10.1002\/2014GL062063\">Evans et al (2014)<\/a><\/td>\n<\/tr>\n<tr>\n<td><a href=\"www.ncdc.noaa.gov\/paleo\/study\/18718\">PAGES Ocean2k Synthesis Data Set<\/a><\/td>\n<td>WDCA-Paleo<\/td>\n<td><a href=\"http:\/\/www.nature.com\/ngeo\/journal\/v8\/n9\/full\/ngeo2510.html\">McGregor et al (2015)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Code for correction algorithm for on-line continuous flow \u03b4<sup>13<\/sup>C and \u03b4<sup>18<\/sup>O carbonate and cellulose stable isotope analyses<\/td>\n<td><a href=\"evans_etal2016\/modular_correction_code.zip\">zipfile<\/a><\/td>\n<td><a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/2016GC006469\/full\">Evans et al (2016)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Early onset of anthropogenic warming across the oceans and continents<\/td>\n<td><a href=\"http:\/\/www.ncdc.noaa.gov\/paleo\/study\/20083\">WDCA-Paleo (code and data)<\/a>; Source data for figures: <a href=\"https:\/\/media.nature.com\/original\/nature-assets\/nature\/journal\/v536\/n7617\/source_data\/nature19082-f1.xlsx\">Fig 1<\/a>; <a href=\"https:\/\/media.nature.com\/original\/nature-assets\/nature\/journal\/v536\/n7617\/source_data\/nature19082-f2.xlsx\">Fig 2<\/a>; <a href=\"https:\/\/media.nature.com\/original\/nature-assets\/nature\/journal\/v536\/n7617\/source_data\/nature19082-f3.xlsx\">Fig 3<\/a>; <a href=\"https:\/\/media.nature.com\/original\/nature-assets\/nature\/journal\/v536\/n7617\/source_data\/nature19082-f4.xlsx\">Fig 4<\/a><\/td>\n<td><a href=\"https:\/\/www.nature.com\/articles\/nature19082\">Abram et al (2016)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Consistent multidecadal variability in global temperature reconstructions and simulations over the common era<\/td>\n<td><a href=\"https:\/\/www.ncdc.noaa.gov\/paleo-search\/study\/26872\">WDCA-Paleo<\/a><\/td>\n<td><a href=\"https:\/\/www.nature.com\/articles\/s41561-019-0400-0\">Neukom et al (2019)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Calibration and validation of environmental controls on planktic foraminifera Mg\/Ca using global core-top data<\/td>\n<td><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1029%2F2018PA003507&amp;file=palo20769-sup-0001-2018PA003507-SI.docx\">Supporting Information<\/a>; Data Sets <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1029%2F2018PA003507&amp;file=palo20769-sup-0002-2018PA003507-ds01.csv\">S1<\/a>, <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1029%2F2018PA003507&amp;file=palo20769-sup-0003-2018PA003507-ds02.csv\">S2<\/a>, <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1029%2F2018PA003507&amp;file=palo20769-sup-0004-2018PA003507-ds03.csv\">S3<\/a>, <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1029%2F2018PA003507&amp;file=palo20769-sup-0005-2018PA003507-ds04.csv\">S4<\/a>; Table <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/action\/downloadSupplement?doi=10.1029%2F2018PA003507&amp;file=palo20769-sup-0006-2018PA003507-ts01.xlsx\">S1<\/a><\/td>\n<td><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/full\/10.1029\/2018PA003507\">Saenger and Evans (2019)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Climate change detection and attribution using observed and simulated tree-ring width<\/td>\n<td><a href=\"https:\/\/www.ncdc.noaa.gov\/paleo-search\/study\/36773\">WDCA-Paleo<\/a><\/td>\n<td><a href=\"https:\/\/cp.copernicus.org\/articles\/18\/2583\/2022\/\">Franke et al (2022)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Muna, Sulawesi &#8211; IND005 Tree-Ring \u03b4<sup>18<\/sup>O Data from 1970-2005 CE<\/td>\n<td><a href=\"https:\/\/www.ncdc.noaa.gov\/paleo-search\/study\/38402\">WDCA-Paleo<\/a><\/td>\n<td><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/journal\/25724525?tabActivePane=undefined\">Nurhati et al (2024)<\/a><\/td>\n<\/tr>\n<tr>\n<td>A Python toolkit for integrating and standardizing global paleoclimate proxy databases (DT2k)<\/td>\n<td><a href=\"https:\/\/www.github.com\/lluecke\/dod2k\">WDCA-Paleo<\/a><\/td>\n<td><a href=\"https:\/\/essd.copernicus.org\/articles\/18\/1185\/2026\/essd-18-1185-2026.html\">L\u00fccke et al (2025)<\/a><\/td>\n<\/tr>\n<tr>\n<td>A database of databases for Common Era paleoclimate applications (DoD2k)<\/td>\n<td><a href=\"https:\/\/www.ncei.noaa.gov\/access\/paleo-search\/study\/41981\">WDCA-Paleo<\/a><\/td>\n<td><a href=\"https:\/\/essd.copernicus.org\/articles\/18\/1185\/2026\/essd-18-1185-2026.html\">Evans, L\u00fccke et al (2026)<\/a><\/td>\n<\/tr>\n<tr>\n<td>Muna, Sulawesi, Indonesia Composite \u03b4<sup>18<\/sup>O Record from 1668-2005 CE<\/td>\n<td><a href=\"https:\/\/www.ncei.noaa.gov\/access\/paleo-search\/study\/41979\">WDCA-Paleo<\/a><\/td>\n<td><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/10.1029\/2025GL117991\">Evans et al (2026)<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Product Data link References Kiritimati coral stable isotope (13C, 18O) data (1938-1993) WDCA-Paleo Evans et al., 1998, 1999 Kiritimati coral minor element (Sr\/Ca) data (1981-1986) WDCA-Paleo Evans et al., 1998, 1999 Pacific SST field reconstructions from coral data (1801-1990) Ingrid or WDCA-Paleo Evans et al., 2000, 2002 Pacific SST field reconstructions from tree-ring data [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-302","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/pages\/302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/comments?post=302"}],"version-history":[{"count":1,"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/pages\/302\/revisions"}],"predecessor-version":[{"id":303,"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/pages\/302\/revisions\/303"}],"wp:attachment":[{"href":"https:\/\/www.geol.umd.edu\/~mnevans\/wp-json\/wp\/v2\/media?parent=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}