TY - JOUR A1 - Christiansen, B. A1 - Ljungqvist, F. C. T1 - The extra-tropical NH temperature in the last two millennia: reconstructions of low-frequency variability JO - Clim. Past Discuss. J1 - CPD VL - 2011 SP - 3991 EP - 4035 Y1 - 2011/11/18 PB - Copernicus Publications SN - 1814-9359 UR - https://cp.copernicus.org/preprints/7/3991/2011/ L1 - https://cp.copernicus.org/preprints/7/3991/2011/cpd-7-3991-2011.pdf DO - 10.5194/cpd-7-3991-2011 ER -