http://bolin.su.se/data/christiansen-2013-nh-1000-1 Bo Christiansen, Fredrik Charpentier Ljungqvist Northern Hemisphere extratropical 1000-year temperature reconstruction 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