Promontory, British Columbia, Canada - CANA240 Additional Site Information Rob Wilson and Brian Luckman Purpose of Collection: Climatology - temperature analyses Measurement type: Total ring width Location of core material: Department of Geography, University of Western Ontario References: Wilson, R.J.S. and Luckman, B.H. 2002. Tree-ring reconstruction of maximum and minimum temperatures and the diurnal temperature range in British Columbia, Canada. Dendrochronologia, 20(3): 257-268. Wilson, R.J.S. and Luckman, B.H. 2003. Dendroclimatic Reconstruction of Maximum Summer Temperatures from Upper Tree-Line Sites in Interior British Columbia. The Holocene. 13(6): 853-863. Wilson, R., D’Arrigo. R., Buckley, B., Büntgen, U., Esper, J., Frank, D., Luckman, B., Payette, S. Vose, R. and Youngblut, D. In Press 2007. A matter of divergence – tracking recent warming at hemispheric scales using tree-ring data. Journal of Geophysical Research - Atmopsheres. VOL. 112, XXXXXX, doi:10.1029/2006JD008318 NOTES: Aspect: W Slope Angle: 0-20 Estimated Species Composition: 50% LP, 40% SF, 10% ES ES = Engelmann spruce; SF = Sub-alpine fir; WP = Whitebark pine; AL = Alpine larch; C = Western red cedar; MH = Mountain hemlock; LP = Lodgepole pine Site Information: Very few spruce trees. Possibly a relict stand from an earlier period. Dry site. COFECHA output: Chronology file name : N/A Measurement file name : CANA240.RWL Date checked : 17JUL07 Checked by : B. Bauer Beginning year : 1816 Ending year : 1997 Principal investigators: Rob Wilson Brian Luckman Site name : Promontory Site location : Canada Species information : PCEN ENGELMANN SPRUCE Latitude : 5012 Longitude : -12058 Elevation : 1680M Series intercorrelation: 0.626 Avg mean sensitivity : 0.172 Avg standard deviation : 0.521 Avg autocorrelation : 0.763 Number dated series : 26 Segment length tested : 50 Number problem segments: 6 Pct problem segments : 4.65 PART 5: CORRELATION OF SERIES BY SEGMENTS: Promontory 10:19 Tue 17 Jul 2007 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 T9801NW 1836 1997 .43 .49 .59 .74 .71 .43 2 T9801NE 1827 1997 .35 .44 .58 .76 .62 .46 3 T9801S 1820 1997 .23B .26A .47 .46 .65 .68 .43 4 T9802E 1831 1997 .62 .80 .77 .63 .64 .61 5 T9802W 1832 1997 .60 .84 .79 .77 .70 .34 6 T9803SE 1823 1997 .21B .24B .73 .82 .57 .58 .70 7 T9803N 1835 1997 .47 .77 .83 .64 .63 .75 8 T9804SE 1872 1997 .55 .57 .51 .51 .62 9 T9806N 1850 1997 .29A .35 .57 .60 .57 10 T9806E 1865 1987 .40 .41 .59 .61 .62 11 T9807N 1860 1997 .65 .74 .68 .71 .74 12 T9807S 1867 1997 .74 .77 .59 .68 .77 13 T9807E 1855 1997 .75 .82 .73 .48 .37 14 T9808N 1880 1997 .81 .77 .55 .50 15 T9808E 1873 1997 .83 .82 .88 .76 .64 16 T9808W 1874 1997 .86 .86 .84 .80 .68 17 T9809N 1816 1997 .23B .39 .40 .48 .69 .58 .68 18 T9809E 1828 1997 .37 .51 .54 .63 .68 .54 19 T9811N 1876 1997 .67 .62 .56 .62 20 T9811W 1863 1997 .68 .77 .79 .75 .68 21 T9812N 1911 1997 .80 .80 .55 22 T9812S 1911 1997 .76 .77 .54 23 T9813N 1903 1997 .74 .73 .59 24 T9813W 1901 1997 .80 .78 .69 25 T9814N 1901 1997 .77 .73 .71 26 T9814E 1888 1997 .71 .60 .69 .80 Av segment correlation .22 .42 .62 .67 .70 .67 .60 PART 7: DESCRIPTIVE STATISTICS: Promontory 10:19 Tue 17 Jul 2007 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 T9801NW 1836 1997 162 6 0 .572 1.48 3.21 .705 .894 .168 2.59 .401 -.017 1 2 T9801NE 1827 1997 171 6 0 .534 1.51 2.80 .548 .878 .137 2.65 .459 -.035 1 3 T9801S 1820 1997 178 7 2 .437 1.34 2.86 .602 .912 .157 2.49 .392 .011 1 4 T9802E 1831 1997 167 6 0 .673 .98 2.42 .524 .942 .164 2.61 .417 -.041 1 5 T9802W 1832 1997 166 6 0 .665 1.00 2.18 .478 .934 .154 2.33 .285 -.050 1 6 T9803SE 1823 1997 175 7 2 .549 1.10 1.94 .376 .800 .171 2.48 .347 -.026 1 7 T9803N 1835 1997 163 6 0 .677 1.14 1.77 .297 .706 .161 2.52 .427 -.031 2 8 T9804SE 1872 1997 126 5 0 .561 1.62 2.76 .433 .591 .185 2.54 .363 -.029 1 9 T9806N 1850 1997 148 5 1 .483 1.61 3.26 .604 .769 .212 2.57 .355 -.024 1 10 T9806E 1865 1987 123 5 0 .517 1.53 2.95 .552 .757 .191 2.57 .347 .023 1 11 T9807N 1860 1997 138 5 0 .695 1.71 2.64 .323 .533 .141 2.52 .455 -.026 1 12 T9807S 1867 1997 131 5 0 .709 1.68 2.55 .308 .513 .139 2.51 .384 -.031 1 13 T9807E 1855 1997 143 5 0 .639 1.50 3.18 .431 .852 .119 2.65 .392 -.053 1 14 T9808N 1880 1997 118 4 0 .658 2.43 4.22 .746 .630 .205 2.50 .441 .006 1 15 T9808E 1873 1997 125 5 0 .777 2.42 3.77 .532 .541 .168 2.62 .475 -.009 2 16 T9808W 1874 1997 124 5 0 .804 2.34 3.54 .534 .590 .161 2.57 .447 -.020 1 17 T9809N 1816 1997 182 7 1 .483 1.44 2.80 .541 .807 .199 2.47 .379 -.003 1 18 T9809E 1828 1997 170 6 0 .540 1.42 3.15 .688 .857 .214 2.56 .405 -.025 1 19 T9811N 1876 1997 122 4 0 .620 2.07 4.22 .676 .870 .130 2.65 .475 -.087 1 20 T9811W 1863 1997 135 5 0 .721 1.78 4.56 .656 .830 .138 2.67 .426 -.087 1 21 T9812N 1911 1997 87 3 0 .691 1.22 2.29 .396 .767 .167 2.44 .348 .033 1 22 T9812S 1911 1997 87 3 0 .672 1.34 2.35 .420 .780 .161 2.41 .333 .037 1 23 T9813N 1903 1997 95 3 0 .687 1.57 2.61 .505 .664 .218 2.52 .421 -.054 1 24 T9813W 1901 1997 97 3 0 .756 1.19 2.98 .630 .847 .254 2.57 .364 -.052 1 25 T9814N 1901 1997 97 3 0 .739 1.67 3.42 .510 .592 .220 2.64 .460 -.033 1 26 T9814E 1888 1997 110 4 0 .736 1.90 3.25 .494 .639 .177 2.43 .354 -.058 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3540 129 6 .626 1.55 4.56 .521 .763 .172 2.67 .398 -.027