http://bolin.su.se/data/christiansen-2013-nh-2000-1 Bo Christiansen, Fredrik Charpentier Ljungqvist Northern Hemisphere extratropical 2000-year and 500-year temperature reconstructions NOAA National Centers for Environmental Information (NCEI) 2013 Datafile Atmosphere Temperature Northern hemisphere Temperature Reconstruction Paleoclimate > Paleoclimate Reconstructions > Air Temperature Reconstruction Bo Christiansen 2013-03-27T16:21:01+00:00 English 1 None