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Dr. Fredrik Charpentier Ljungqvist

Fredrik Charpentier Ljungqvist

Acting Senior Lecturer
Department of History and Bolin Centre for Climate Research
Stockholm University
SE-106 91 Stockholm


  +46 (0)70 662 07 28

Expertise & Interests

Official PAGES function(s)        Euro-Med2k Data Manager
PAGES interests        2k Network, LandCover6k, Arctic2k, Euro-Med2k, Solar Forcing
Topics        Human impacts & interactions, Interannual-decadal varaibility, Climate dynamics, Proxy development, Statistical analysis
Timescales        Holocene, Last millennia
Regions        Arctic, Europe, Global
Archives        Archeology, Documentary records, Tree rings
Sector        Academia / Education, Research, Outreach/Communication
Discipline        (Paleo)climatology, Historian



Hellmann, L., Nikolaev, A., Ljungqvist, F.C., Churakova, O., Düthorn, E., Esper, J., Hülsmann, L., Kirdyanov, A.V., Moiseev, P., Myglan, V.S., Nikolaev, A.N., Reinig, F., Schweingruber, F., Solomina, O., Tegel, W., and Büntgen, U. 2016: Diverse growth trends and climate responses across Eurasia’s boreal forest. Environmental Research Letters: 11: 074021, doi:10.1088/1748-9326/11/7/074021.

Esper, J., Krusic, P.J., Ljungqvist, F.C., Luterbacher, J., Carrer, M., Cook, E., Kirdyanov, A., Salzer, M., Myglan, V., Timonen, M., Treydte, K., Trouet, V., Villalba, R., Wilson, R.S., Yang, B., and Büntgen, U. 2016: Ranking of tree-ring based temperature reconstructions of the past millennium. Quaternary Science Reviews 145: 134–151.

Ljungqvist, F.C., Krusic, P.J., Sundqvist, H.S., Zorita, E., Brattström, G. & Frank, D. 2016: Northern Hemisphere hydroclimatic variability over the past twelve centuries. Nature 532: 94–98.

Büntgen, U., Myglan, V., Ljungqvist, F.C., McCormick, M., Di Cosmo, N., Sigl, M., Jungclaus, J., Wagner, S., Krusic, P.J., Esper, J., Kaplan, J.O., de Vaan, M.A.C., Luterbacher, J., Wacker, L., Tegel, W. & Kirdyanov, A. 2016: Cooling and societal change during the Late Antique Little Ice Age from 536 to around 660 AD. Nature Geoscience, 9: 231–236.

Luterbacher, J., Werner J.P., Smerdon, J.E., Barriopedro, D., Fernández-Donado, L., González-Rouco, F.J., Ljungqvist, F.C., Büntgen, U., Zorita, E., Wagner, S., Esper J., Frank, D., Barriendos, M., Bertolin, C., Bothe, O., Brázdil, R., Camuffo, D., Dobrovolný, P., Gagen, M., García-Bustamante, E., Ge, Q., Gómez-Navarro, J.J., Guiot, J., Hao, Z., Hegerl, G., Holmgren, K., Jungclaus, J.H., Klimenko, V.V., Martín-Chivelet, J., McCarroll, D., Pfister, C., Roberts, N., Schindler, A., Schurer, A., Solomina, O., Toreti, A., von Gunten, L., Wahl, E., Wanner, H., Wetter, O., Xoplaki, E., Yuan, N., Zanchettin, D., Zhang, H. & Zerefos, C. 2016: European summer temperatures since Roman times. Environmental Research Letters, 11: 024001, doi:10.1088/1748-9326/11/1/024001.

Yang, F., Wang, N., Shi, F., and Ljungqvist, F.C., Zhao, S. & Liu, T. 2016: The spatial distribution of precipitation over the West Qinling region, China, AD 1470–2000. Palaeogeography, Palaeoclimatology, Palaeoecology, 443: 278–285.

Ljungqvist, F.C. 2015: Hydroclimate and Temperature Co-variability – Past, Present and Future. in M. Trnka & M. Hayes (eds.), Evaluation of drought and drought impacts through interdisciplinary methods. Brno: Global Change Research Centre AS CR v.v.i.: 6–10.

Xu, C., Chen, B.J.W., Abades, S., Luís, R., Teng, S., Ljungqvist, F.C., Huang, Z. Y.X. & Liu, M. 2015: Macroecological factors explain large-scale spatial population patterns of ancient agriculturalists. Global Ecology and Biogeography, 24: 1030–1039.

Shi, F., Ge, Q., Yang, B., Li, J., Yang, F., Ljungqvist, F.C., Solomina, O., Nakatsuka, T., Wang, N., Zhao, S., Xu, C., Fang, K., Sano, M., Chu, G., Fan, Z., Gaire, N.P. & Zafar, M.U. 2015: A multi-proxy reconstruction of spatial and temporal variations in Asian summer temperatures over the last millennium. Climatic Change, 131: 663–676.

Büntgen, U., Trnka, M., Krusic, P.J., Kyncl, T., Kyncl, J., Luterbacher, J., Zorita, E., Ljungqvist, F.C., Auer, I., Konter, O., Schneider, L., Tegel, W., Stepánek, P., Brönnimann, S., Hellmann, L., Nievergelt, D. & Esper, J. 2015: Tree-Ring Amplification of the Early Nineteenth-Century Summer Cooling in Central Europe. Journal of Climate, 28: 5272–5288.

Wang, J., Yang, B. & Ljungqvist, F.C. 2015: A Millennial Summer Temperature Reconstruction for the Eastern Tibetan Plateau from Tree Ring Width. Journal of Climate, 28: 5289–5304.

Taricco, C., Alessio, S., Ljungqvist, F.C., Mancuso, S., and Ghil, M. Multispectral analysis of Northern Hemisphere temperature records over the last five millennia. 2015: Climate Dynamics, 45: 83–104.

Sundqvist, H.S., Kaufman, D.S., McKay, N.P., Balascio, N.L., Briner, J.P., Cwynar, L.C., Sejrup, H.P., Seppä, H., Subetto, D.A., Andrews, J.T., Axford, Y., Bakke, J., Birks, H.J.B., Brooks, S.J., de Vernal, A., Jennings, A.E., Ljungqvist, F.C., Rühland, K.M., Saenger, C., Smol, J.P. & Viau, A.E. 2014: Arctic Holocene proxy climate database – New approaches to assessing geochronological accuracy and encoding climate variables. Climate of the Past, 10: 1605–1631.

Yang, B., Kang, S., Ljungqvist, F.C., Zhao, Y., He, M. & Qin. C. 2014. Drought variability at the northern fringe of the Asian summer monsoon region over the past millennia. Climate Dynamics, 43: 845–859.

Wang, J., Yang, B., Ljungqvist, F.C. & Zhao, Y. 2013. The relationship between the Atlantic Multidecadal Oscillation and temperature variability in China during the last millennium. Journal of Quaternary Science, 28: 653–658.

PAGES 2k Consortium (Ahmed, M., Anchukaitis, K.J., Asrat, A., Borgaonkar, H.P. Braida, M., Buckley, B.M., Büntgen, U., Chase, B.M., Christie, D.A. Cook, E.R., Curran, M.A.J., Diaz, H.F., Esper, J., Fan, Z.-X, Gaire, N.P. Ge, Q., Gergis, J., González-Rouco, J.F., Goosse, H., Grab, S.W., Graham, R., Graham, N., Grosjean, M., Hanhijärvi, S.T., Kaufman, D.S., Kiefer, T., Kimura, K., Korhola, A.A., Krusic, P.J., Lara, A., Lézine, A.-M., Ljungqvist, F.C., Lorrey, A.M., Luterbacher, J., Masson-Delmotte, V., McCarroll, D., McConnell, J.R., McKay, N.P., Morales, M.S., Moy, A.D., Mulvaney, R., Mundo, I.A., Nakatsuka, T., Nash, D.J., Neukom, R., Nicholson, S.E., Oerter, H., Palmer, J.G., Phipps, S.J., Prieto, M.R., Rivera, A., Sano, M., Severi, M., Shanahan, T.M., Shao, X., Shi, F., Sigl, M., Smerdon, J.E., Solomina, O.N., Steig, E.J., Stenni, B., Thamban, M., Trouet, V., Turney, C.S.M., Umer, M., van Ommen, T., Verschuren, D., Viau, A.E., Villalba, R., Vinther, B.M., von Gunten, L., Wagner, S., Wahl, E.R., Wanner, H., Werner, J.P., White, J.W.C., Yasue, K. & Zorita, E.). 2013: Continental-scale temperature variability during the past two millennia. Nature Geoscience, 6: 339–346.

Matyasovszky, I. & Ljungqvist, F.C. 2013: Abrupt temperature changes during the last 1,500 years. Theoretical and Applied Climatology, 112: 215–225.

Yang, F., Wang, N., Shi, F., Ljungqvist, F.C., Wang, S., Fan, Z. & Lu, J. 2013: Multi-proxy temperature reconstruction from the West Qinling Mountains, China, for the past 500 years. PLoS ONE, 8: e57638, doi:10.1371/journal.pone.0057638.

Ljungqvist, F.C., Krusic, P.J., Brattström, G. & Sundqvist, H.S. 2012: Northern Hemisphere temperature patterns in the last 12 centuries. Climate of the Past, 8: 227–249.

Shi, F., Yang, B., Ljungqvist, F.C. & Yang, F. 2012: A new Arctic multi-proxy summer temperature reconstruction covering the past 1400 years with annual resolution. Climate Research, 54: 113–128.

Christiansen, B. & Ljungqvist, F.C. 2012: The extra-tropical Northern Hemisphere temperature in the last two millennia: Reconstructions of low-frequency variability. Climate of the Past, 8: 765–786.

Støve, B., Ljungqvist, F.C. & Thejll, P. 2012: A test for non-linearity in temperature proxy records. Journal of Climate, 25: 7173–7186.

Ljungqvist, F.C. 2011: The Spatio-Temporal Pattern of the Mid-Holocene Thermal Maximum. Geografie, 116: 91–110.

Christiansen, B. & Ljungqvist, F.C. 2011: Reconstruction of the extratropical NH mean temperature over the last millennium with a method that preserves low-frequency variability. Journal of Climate, 24: 6013–6034.

Ljungqvist, F.C. 2010: A new reconstruction of temperature variability in the extra-tropical Northern Hemisphere during the last two millennia. Geografiska Annaler: Physical Geography, 92A: 339–351.

Ljungqvist, F.C. 2010: A regional approach to the Medieval Warm Period and the Little Ice Age. in S.W. Simard & M.E. Austin (eds.), Climate change and variability. Rijeka: Sciyo: 1–26.

Ljungqvist, F.C. 2009: Global nedkylning: Klimatet och människan under 10 000 år. Stockholm: Norstedts: 336 pages [popular science book in Swedish].

Ljungqvist, F.C. 2009: Temperature proxy records covering the last two millennia: a tabular and visual overview. Geografiska Annaler: Physical Geography, 91A: 11–29.