Ragnarok Glacier, British Columbia, Canada - CANA488 Additional information Dan J. Smith, Bethany L. Coulthard, Sonya J. Larocque Purpose of Collection: Cores are stored at: Reference: COFECHA output: Chronology file name : CANA488.CRN Measurement file name : CANA488.RWL Date checked : 03DEC15 Checked by : B. Bauer Beginning year : 1629 Ending year : 2000 Principal investigators: Dan J. Smith Bethany L. Coulthard Sonya J. Larocque Site name : Ragnarok Glacier Site location : Canada Species information : ABLA SUBALPINE FIR Latitude : 5137 Longitude : -12519 Elevation : M Series intercorrelation: 0.576 Avg mean sensitivity : 0.183 Avg standard deviation : 0.274 Avg autocorrelation : 0.770 Number dated series : 16 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 6.62 PART 5: CORRELATION OF SERIES BY SEGMENTS: Ragnarok Glacier 11:27 Thu 03 Dec 2015 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 01I417a 1849 2000 .41 .44 .48 .61 .65 .75 .75 2 01I417b 1880 2000 .56 .61 .76 .85 .87 3 01I418a 1799 2000 .55 .55 .51 .50 .66 .53 .41 .52 .50 4 01I418b 1850 2000 .53 .67 .63 .52 .60 .58 5 01I420a 1828 1998 .57 .69 .71 .69 .65 .75 6 01I420b 1839 2000 .49 .60 .69 .68 .68 .82 .82 7 01I421a 1629 2000 .58 .57 .31B .13B .26A .42 .73 .74 .68 .73 .77 .80 .79 8 01I421b 1698 2000 .58 .58 .50 .22A .18B .41 .73 .69 .62 .77 .71 .64 .62 9 01I422a 1751 2000 .43 .66 .73 .52 .41 .42 .55 .71 .56 .55 10 01I422b 1768 2000 .57 .60 .60 .64 .61 .64 .73 .70 .61 .61 11 01I425a 1830 2000 .44 .49 .54 .63 .60 .64 .64 12 01I425b 1749 2000 .53 .52 .52 .23A .49 .69 .69 .53 .53 .72 .71 13 01I426a 1856 2000 .38 .58 .62 .62 .53 .53 14 01I426b 1805 2000 .35B .59 .58 .32A .40 .52 .44 .44 15 01I428a 1793 2000 .56 .56 .77 .53 .42 .68 .72 .73 .72 16 01I428b 1795 2000 .29A .34 .65 .81 .68 .70 .74 .72 .71 Av segment correlation .58 .58 .45 .37 .45 .47 .58 .58 .58 .63 .64 .67 .66 PART 7: DESCRIPTIVE STATISTICS: Ragnarok Glacier 11:27 Thu 03 Dec 2015 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 01I417a 1849 2000 152 7 0 .589 1.41 2.28 .365 .798 .138 2.69 .388 .033 2 2 01I417b 1880 2000 121 5 0 .664 1.28 2.28 .439 .871 .145 2.54 .328 -.042 1 3 01I418a 1799 2000 202 9 0 .521 .65 1.30 .136 .528 .153 2.72 .420 .011 1 4 01I418b 1850 2000 151 6 0 .582 .71 1.02 .126 .243 .169 2.61 .432 .008 1 5 01I420a 1828 1998 171 6 0 .660 .99 1.67 .273 .676 .180 2.51 .384 .021 1 6 01I420b 1839 2000 162 7 0 .678 1.16 2.01 .267 .565 .176 2.60 .367 .002 1 7 01I421a 1629 2000 372 13 3 .573 .39 1.03 .215 .819 .268 2.59 .340 -.039 1 8 01I421b 1698 2000 303 13 2 .564 .60 1.54 .323 .873 .214 2.58 .319 -.042 1 9 01I422a 1751 2000 250 10 0 .515 .74 1.59 .304 .845 .178 2.64 .402 .002 1 10 01I422b 1768 2000 233 10 0 .601 .84 1.73 .322 .815 .179 2.57 .354 -.052 1 11 01I425a 1830 2000 171 7 0 .572 .63 1.42 .244 .782 .180 2.81 .445 -.030 1 12 01I425b 1749 2000 252 11 1 .552 .61 1.54 .274 .858 .184 2.70 .434 -.011 1 13 01I426a 1856 2000 145 6 0 .497 .81 1.41 .288 .869 .156 2.62 .418 .027 1 14 01I426b 1805 2000 196 8 2 .449 .75 1.71 .370 .915 .173 2.63 .375 -.003 2 15 01I428a 1793 2000 208 9 0 .630 .73 1.37 .221 .814 .149 2.49 .340 -.042 3 16 01I428b 1795 2000 206 9 1 .643 .91 1.65 .280 .798 .156 2.51 .343 -.030 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3295 136 9 .576 .77 2.28 .274 .770 .183 2.81 .377 -.016