PAGES2k Arctic Database v1.1 August 2014 McKay, N.P.; Kaufman, D.S. McKay, N.P. Kaufman, D.S. Air Temperature Reconstruction PAGES 2k Network PAGES Arctic 2k earth science/paleoclimate/others (Arctic>LATITUDE >LONGITUDE ) Robust climate reconstructions of the most recent centuries and millennia are invaluable for placing modern warming in the context of natural variability. Here we present an extended and revised database (version 1.1) of proxy temperature records recently used to reconstruct Arctic temperatures for the past 2,000 years. The datasets are presented in a machine-readable format, and have been extended with the geochronologic data and consistently generated time-uncertain ensembles, which will be useful in future analyses of the influence of geochronologic uncertainty. A standardized description of the seasonality of the temperature response for each record, as reported by the original authors, is also included to motivate a more nuanced approach to integrating records with variable seasonal sensitivities. Despite the predominance of seasonal, rather than annual, temperature responders in the database, comparisons with the instrumental record of temperature suggest that, as a whole, the datasets best record annual temperature variability across the Arctic, especially in northeast Canada and Greenland, where the density of records is highest. STUDY NOTES: Update 1.1 to the Arctic portion of the PAGES2k 2013 database. This resource description was produced with support from the NSF project entitled "EarthCube RCN: C4P: Collaboration and Cyberinfrastructure for Paleogeosciences," (NSF ICER-1340301) under the direction of Kerstin A. Lehnert, Mark Uhen, John W. Williams, Christopher J. Jenkins Revision 1.1.1 added 3/4/2015. Includes database zipfile arc2k_v1.1.1.zip, Excel update history files MetadataTablev1.1.1.xlsx, Reconstruction_Arc2kv1.1.1.xlsx, and Revisions_v1.1.1.xlsx NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : McKay, N.P. Investigator : Kaufman, D.S. 2014-08-19 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/16973 https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arc2k_v1.1.1.zip https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arc2k_v1.1.zip https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arctic2014temperature-v1.1.txt https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/MetadataTablev1.1.1.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/Revisions_v1.1.1.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/Reconstruction_Arc2kv1.1.1.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arc2k_v1.1.1.zip https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arc2k_v1.1.zip https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arctic2014temperature-v1.1.txt https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/MetadataTablev1.1.1.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/Revisions_v1.1.1.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/Reconstruction_Arc2kv1.1.1.xlsx English https://www.ncdc.noaa.gov/paleo/study/16973 https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arc2k_v1.1.1.zip https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arc2k_v1.1.zip https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/arctic2014temperature-v1.1.txt https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/MetadataTablev1.1.1.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/Revisions_v1.1.1.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/Reconstruction_Arc2kv1.1.1.xlsx Nicholas P. McKay and Darrell S. Kaufman2014An extended Arctic proxy temperature database for the past 2,000 yearsNature Scientific Data140026110.1038/sdata.2014.26http://www.nature.com/articles/sdata201426 START YEAR: 0 AD * END YEAR: 2012 AD -180 60 180 90