One Thousand Years of Summer Temperatures in Northeastern Canada

Figure 1. Reconstructed summer (JJA) maximum temperatures for Lake L20. 

Red line is a 21-year moving average. Adapted from Naulier et al. (2015).

A paper published in the peer-reviewed Journal Climate of the Past

A millennial summer temperature reconstruction for northeastern Canada using oxygen isotopes in subfossil trees

M. Naulier, M. M. Savard, C. Bégin, F. Gennaretti, D. Arseneault, J. Marion, A. Nicault, and Y. Bégin.
Abstract. Climatic reconstructions for northeastern Canada are scarce such that this area is under-represented in global temperature reconstructions. To fill this lack of knowledge and identify