Our Project Exploits the Close Coupling Between Raised Bogs and the Atmosphere to Reconstruct

Appendix C

Similarity coefficient tables and Supplementary References Table C.1. Correlations by similarity coefficient (SC) for cryptotephras at Nordan’s Pond Bog with known North American proximal reference materials. Original geochemical data are available in Supplementary Information Appendix A and Appendix B, with the exception of NDN-230 which is from Tappen et al. (2009).

NDN- NDN- NDN- NDN- NDN- NDN- NDN- NDN- NDN- NDN- MSH MSH WRA N’berry Aug. Aniakch E. Lake Mazama 95 160 185 230 300 365 430 455 490 545 We Wn (eastern Pum. unit G ak Teph. ash ) NDN-95 1.00 NDN-160 0.88 1.00 NDN-185 0.80 0.78 1.00 NDN-230 0.81 0.83 0.76 1.00 NDN-300 0.76 0.82 0.77 0.83 1.00 NDN-365 0.86 0.85 0.88 0.83 0.83 1.00 NDN-430 0.63 0.69 0.65 0.71 0.80 0.69 1.00 NDN-455 0.81 0.84 0.80 0.83 0.93 0.87 0.75 1.00 NDN-490 0.85 0.82 0.93 0.74 0.72 0.85 0.61 0.75 1.00 NDN-545 0.82 0.84 0.78 0.86 0.92 0.87 0.74 0.94 0.76 1.00 MSH We 0.99 0.87 0.81 0.81 0.77 0.87 0.64 0.82 0.86 0.83 1.00 MSH Wn 0.93 0.90 0.79 0.84 0.80 0.86 0.66 0.85 0.83 0.85 0.93 1.00 WRA 0.87 0.96 0.78 0.82 0.80 0.85 0.68 0.83 0.83 0.83 0.87 0.91 1.00 (eastern) N’berry 0.79 0.77 0.97 0.72 0.74 0.83 0.63 0.76 0.92 0.75 0.80 0.78 0.77 1.00 Pum. Aug. unit G 0.75 0.78 0.70 0.91 0.77 0.77 0.69 0.77 0.69 0.80 0.75 0.77 0.77 0.67 1.00 Aniakchak 0.75 0.81 0.76 0.82 0.98 0.82 0.81 0.91 0.70 0.91 0.75 0.79 0.80 0.72 0.77 1.00 E. Lake 0.84 0.81 0.92 0.73 0.72 0.85 0.61 0.76 0.97 0.76 0.85 0.84 0.82 0.92 0.69 0.71 1.00 Teph. Mazama 0.81 0.84 0.78 0.87 0.94 0.87 0.75 0.94 0.75 0.98 0.82 0.85 0.83 0.75 0.81 0.92 0.75 1.00 ash Table C.2. Correlations by similarity coefficient (SC) for cryptotephras at Nordan’s Pond Bog with a selection of known Icelandic rhyolitic Holocene tephras from the following published studies (see Supplementary References) (Dugmore and Newton, 1992; Boygle, 1994; Dugmore et al., 1995; Hunt et al., 1995; Pilcher et al., 1995; Pilcher and Hall, 1996; Pilcher et al., 1996; Dugmore and Newton, 1997; Oldfield et al., 1997; Boygle, 1998; Hannon et al., 1998; Larson et al., 1999; Wastegård et al., 2001; Hall and Pilcher, 2002; Wastegård, 2002; Zillén et al., 2002; Chambers et al., 2004; Lawson et al., 2007).

NDN- NDN- NDN- NDN- NDN- NDN- NDN- NDN- NDN- NDN- 95 160 185 230 300 365 430 455 490 545 Askja 1875 0.67 0.69 0.60 0.75 0.75 0.65 0.84 0.73 0.59 0.73 GB4-182 Teph. 0.77 0.76 0.75 0.85 0.92 0.81 0.73 0.88 0.70 0.89 Borrobol Teph. 0.73 0.73 0.76 0.63 0.61 0.70 0.53 0.63 0.81 0.65 Glen Garry Teph. 0.68 0.71 0.61 0.82 0.79 0.67 0.78 0.76 0.60 0.76 Hekla 1104 0.82 0.81 0.77 0.78 0.76 0.78 0.72 0.80 0.78 0.76 Hekla H3 0.78 0.79 0.74 0.77 0.73 0.74 0.71 0.76 0.75 0.73 Hekla H4 0.77 0.74 0.72 0.71 0.71 0.77 0.61 0.73 0.73 0.74 Hekla H5 0.78 0.76 0.71 0.70 0.68 0.75 0.59 0.71 0.75 0.73 Hekla H-S 0.80 0.80 0.75 0.77 0.75 0.75 0.68 0.78 0.76 0.74 Hovsdalur Teph. 0.64 0.64 0.65 0.55 0.54 0.61 0.48 0.55 0.70 0.56 Hoy Teph. 0.77 0.75 0.88 0.70 0.72 0.80 0.61 0.75 0.89 0.72 Kebister Teph. 0.81 0.81 0.75 0.77 0.74 0.75 0.68 0.77 0.76 0.74 Lairg A Teph. 0.76 0.76 0.70 0.69 0.69 0.76 0.60 0.71 0.74 0.73 Lairg B Teph. 0.73 0.71 0.83 0.67 0.69 0.75 0.60 0.71 0.84 0.68 Landnam Teph. 0.81 0.78 0.93 0.73 0.75 0.83 0.62 0.77 0.94 0.74 Loch Portain B Teph. 0.77 0.76 0.80 0.71 0.71 0.79 0.63 0.74 0.80 0.71 OMH-185/Microlite Teph. 0.79 0.79 0.83 0.69 0.66 0.77 0.56 0.68 0.88 0.70 Öraefajökull 1362 0.71 0.69 0.81 0.68 0.71 0.77 0.67 0.73 0.77 0.71 Suduroy Teph. 0.80 0.76 0.83 0.70 0.71 0.80 0.68 0.74 0.84 0.72 Ssn Snaefelsjökull 0.71 0.71 0.77 0.64 0.62 0.71 0.54 0.64 0.81 0.66 Tjørnuvík A 0.78 0.76 0.73 0.72 0.73 0.76 0.62 0.76 0.73 0.75 MOR-T5 0.86 0.85 0.84 0.75 0.78 0.86 0.67 0.80 0.86 0.82 Supplementary References

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