Lac Duparquet, Quebec, Canada - cana106 Additional Site Information Sylvain Archambault Species name: Thuja occidentalis L. (Northern white cedar) Measurement type: Total ring width Chronology type: Standard chronology (polynomial regressions) First year: 1186 Last year: 1987 PI names: Archambault, Sylvain and Bergeron, Yves Contact: Sylvain Archambault Centre d'etudes nordiques Tel : (418) 656-3340 Universite Laval Fax : (418) 656-2978 Quebec (Que), Canada G1K 7P4 E-mail : 3905alor@vm1.ulaval.ca The original publication is: Archambault, S. and Bergeron, Y. 1992. An 802-year tree-ring chronology from the Quebec boreal forest. Canadian Journal of Forest Research 22: 674-682. COFECHA output: Chronology file name : CANA106.CRN Measurement file name : CANA106.RWL Date checked : 18JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1186 Ending year : 1987 Principal investigators: ARCHAMBAULT, SYLVAIN, YVES BERGERON Site name : LAC DUPARQUET Site location : CANADA Species information : THOC NORTHERN WHITE CEDAR Latitude : 4828B Longitude : 7917W Elevation : 274 M Series intercorrelation: 0.579 Avg mean sensitivity : 0.219 Avg standard deviation : 0.158 Avg autocorrelation : 0.781 Number dated series : 47 Segment length tested : 50 Number problem segments: 36 Pct problem segments : 3.77 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: ALL FLAGS = LOW CORRELATIONS WITH MASTER EXCELLENT HIGH QUALITY CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 00:13 Thu 18 JUL 1996 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under 0.3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1200 1225 1250 1275 1300 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1249 1274 1299 1324 1349 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DUP402A 1680 1987 .59 2 DUP402B 1446 1987 .52 .61 .63 .54 .45 .50 .70 .66 .66 .69 .73 3 DUP403C 1502 1987 .35 .71 .71 .67 .60 .54 .55 .71 4 DUP404A 1500 1986 .52 .47 .49 .50 .66 .71 .35B .49 5 DUP404B 1292 1986 .56 .48 .51 .65 .50 .32A .42 .42 .46 .50 .50 .50 .56 .71 .67 .46 .61 6 DUP407C 1593 1987 .60 .58 .60 .57 .61 7 DUP408C 1519 1986 .67 .65 .65 .42 .39 .59 .47 .41 8 DUP409B 1534 1987 .68 .68 .59 .53 .50 .63 .66 9 DUP410C 1510 1987 .49 .77 .74 .70 .66 .53 .58 .73 10 DUP414E 1650 1987 .55 .70 11 DUP416D 1382 1987 .68 .49 .59 .60 .40 .44 .48 .54 .61 .67 .66 .62 .65 12 DUP425A 1391 1987 .75 .77 .69 .64 .66 .62 .68 .69 .65 .57 .56 .58 .67 13 DUP428B 1421 1987 .54 .55 .55 .54 .67 .71 .75 .74 .66 .70 .73 .76 14 DUP430A 1518 1987 .50 .62 .70 .71 .56 .54 .55 .19B 15 DUP431A 1515 1987 .53 .52 .65 .76 .77 .70 .70 .79 16 DUP434B 1460 1987 .42 .44 .56 .46 .43 .53 .63 .62 .54 .61 17 DUP435A 1580 1987 .64 .59 .57 .62 .62 18 DUP435B 1575 1979 .47 .48 .58 .57 .61 19 DUP436H 1643 1987 .75 .69 .62 20 DUP439A 1376 1987 .54 .63 .64 .63 .57 .66 .68 .72 .81 .75 .66 .71 .79 21 DUP440A 1543 1987 .68 .59 .59 .67 .71 .65 .60 22 DUP440D 1475 1987 .34 .37 .55 .60 .63 .50 .56 .72 .81 23 DUP446D 1510 1987 .65 .62 .74 .74 .60 .61 .70 .64 24 DUP448C 1687 1987 .74 25 DUP449A 1476 1987 .44 .49 .39 .50 .59 .38 .38 .41 .63 26 DUP450B 1603 1987 .70 .65 .71 .87 27 DUP452A 1503 1971 .49 .76 .76 .70 .76 .67 .70 .84 28 DUP453 1237 1748 .65 .70 .59 .41 .53 .60 .62 .55 .48 .47 .59 .71 .66 .69 .71 .76 .79 .76 .74 29 DUP453A 1650 1987 .69 .79 30 DUP454A 1377 1987 .70 .65 .58 .58 .60 .68 .64 .69 .75 .79 .72 .70 .82 31 DUP457A 1233 1767 .57 .73 .60 .42 .52 .46 .57 .54 .49 .62 .59 .55 .69 .76 .73 .64 .66 .68 .61 32 DUP460A 1261 1920 .43 .50 .59 .57 .53 .51 .62 .64 .52 .55 .55 .61 .63 .62 .70 .65 .54 .63 33 DUP461A 1452 1987 .41 .40B .55 .56 .55 .58 .51 .48 .41 .52 34 DUP465A 1234 1978 .49 .48 .33 .41 .53 .69 .68 .56 .45 .55 .69 .64 .68 .69 .73 .76 .76 .71 .77 35 DUP467A 1366 1730 .61 .67 .64 .71 .71 .60 .58 .60 .69 .75 .52 .51 .50 .38B 36 DUP470A 1234 1987 .29A .35 .34 .23B .30B .49 .57 .56 .40 .41 .37 .26B .37 .52 .56 .37B .32A .43 .25B 37 DUP472A 1355 1926 .63 .72 .75 .78 .74 .60 .60 .65 .66 .69 .58 .66 .73 .73 38 DUP473A 1343 1987 .60 .74 .64 .63 .62 .55 .70 .77 .76 .63 .53 .64 .74 .76 .60 39 DUP473D 1280 1987 .16B .33B .50 .68 .66 .63 .75 .71 .63 .68 .64 .57 .50 .48 .54 .59 .47 40 DUP474A 1360 1987 .53 .65 .63 .67 .55 .51 .65 .76 .72 .63 .60 .68 .61 .40 41 DUP718 1209 1790 .27B .43 .55 .54 .53 .56 .62 .71 .74 .50 .48 .63 .63 .51 .42 .50 .56 .68 .70 .61 42 DUP718A 1290 1908 .58 .47 .47 .55 .59 .53 .47 .50 .57 .53 .55 .65 .59 .68 .78 .71 .76 43 DUP725 1348 1866 .58 .59 .70 .65 .61 .61 .50 .47 .60 .59 .60 .63 .70 .79 .76 44 DUP728 1380 1894 .51 .63 .57 .54 .53 .52 .58 .60 .44 .53 .76 .73 .62 45 DUP746 1202 1839 .61 .66 .70 .55 .35B .51 .72 .78 .62 .58 .74 .79 .73 .67 .53 .54 .69 .78 .72 .65 46 DUP746A 1186 1299 .55 .69 .72 47 DUP904A 1251 1985 .19B .32A .45 .27A .51 .69 .63 .79 .75 .37 .34B .50 .65 .76 .60 .58 .55 .49 PART 5: CORRELATION OF SERIES BY SEGMENTS: 00:13 Thu 18 JUL 1996 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under 0.3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DUP402A 1680 1987 .65 .56 .66 .70 .57 .52 .59 .65 .61 .50 .44 2 DUP402B 1446 1987 .71 .56 .49 .56 .55 .39 .42 .56 .55 .53 .57 3 DUP403C 1502 1987 .69 .66 .79 .82 .75 .67 .63 .64 .61 .55 .57 4 DUP404A 1500 1986 .75 .60 .62 .76 .63 .53B .54 .61 .47 .28A .44 5 DUP404B 1292 1986 .69 .47 .52 .68 .57 .49 .43 .56 .55 .43 .41 6 DUP407C 1593 1987 .67 .42 .46 .56 .65 .70 .46 .52 .53 .40 .38 7 DUP408C 1519 1986 .54 .46 .52 .61 .64 .62 .50 .62 .61 .48 .58 8 DUP409B 1534 1987 .56 .50 .62 .56 .53 .67 .64 .65 .66 .54 .53 9 DUP410C 1510 1987 .70 .60 .67 .65 .67 .82 .80 .74 .68 .58 .59 10 DUP414E 1650 1987 .75 .72 .63 .68 .63 .52 .32A .53 .62 .52 .57 11 DUP416D 1382 1987 .66 .60 .51 .42 .10B .17B .40 .50 .69 .67 .54 12 DUP425A 1391 1987 .69 .64 .68 .64 .70 .67 .41 .53 .67 .53 .34 13 DUP428B 1421 1987 .75 .63 .58 .58 .66 .71 .56 .49 .65 .65 .62 14 DUP430A 1518 1987 .25B .67 .81 .78 .48 .39 .39 .48 .66 .59 .58 15 DUP431A 1515 1987 .68 .64 .70 .69 .70 .62 .63 .76 .76 .59 .52 16 DUP434B 1460 1987 .50 .45 .52 .57 .54 .47 .37 .46 .67 .56 .59 17 DUP435A 1580 1987 .46 .19B .38 .65 .38 .26B .56 .55 .59 .54 .46 18 DUP435B 1575 1979 .58 .43 .41 .54 .46 .45 .63 .67 .60 .36 .36 19 DUP436H 1643 1987 .73 .69 .77 .81 .71 .62 .68 .67 .51 .49 .49 20 DUP439A 1376 1987 .65 .47 .52 .39 .48 .68 .52 .56 .67 .65 .67 21 DUP440A 1543 1987 .60 .46 .50 .58 .68 .72 .53 .52 .63 .67 .63 22 DUP440D 1475 1987 .66 .44 .55 .64 .55 .44 .47 .61 .71 .63 .51 23 DUP446D 1510 1987 .50 .38 .55 .57 .31A .41 .58 .76 .81 .52 .46 24 DUP448C 1687 1987 .74 .69 .72 .75 .63 .66 .67 .62 .69 .62 .59 25 DUP449A 1476 1987 .73 .46 .52 .68 .54 .50 .57 .50 .55 .52 .49 26 DUP450B 1603 1987 .79 .62 .60 .58 .74 .80 .69 .69 .65 .51 .42 27 DUP452A 1503 1971 .80 .64 .65 .78 .71 .63 .65 .67 .62 .39 28 DUP453 1237 1748 .34 29 DUP453A 1650 1987 .67 .60 .70 .69 .62 .61 .61 .71 .69 .64 .62 30 DUP454A 1377 1987 .80 .73 .71 .68 .62 .66 .72 .68 .71 .67 .45 31 DUP457A 1233 1767 .57 .53 32 DUP460A 1261 1920 .65 .52 .59 .57 .50 .47 .53 .55 33 DUP461A 1452 1987 .50 .32A .47 .61 .70 .61 .54 .70 .72 .53 .55 34 DUP465A 1234 1978 .86 .75 .71 .77 .77 .67 .53 .65 .67 .62 .51 35 DUP467A 1366 1730 .47 36 DUP470A 1234 1987 .31B .40 .49 .48 .35 .31A .39 .37 .26B .31B .28A 37 DUP472A 1355 1926 .78 .73 .66 .66 .71 .72 .69 .64 .65 38 DUP473A 1343 1987 .51 .52 .62 .62 .60 .50 .35 .49 .57 .48 .49 39 DUP473D 1280 1987 .48 .34 .43 .51 .43 .44 .25A .33 .46 .50 .57 40 DUP474A 1360 1987 .47 .56 .58 .54 .60 .67 .55 .59 .52 .53 .66 41 DUP718 1209 1790 .53 .41 .36 42 DUP718A 1290 1908 .78 .67 .59 .49 .45 .36 .41 .47 43 DUP725 1348 1866 .63 .51 .58 .64 .66 .58 44 DUP728 1380 1894 .42 .33 .45 .50 .52 .49 .46 45 DUP746 1202 1839 .62 .52 .47 .57 .53 47 DUP904A 1251 1985 .56 .55 .59 .65 .72 .66 .41 .45 .66 .49 .40 PART 7: DESCRIPTIVE STATISTICS: 00:13 Thu 18 JUL 1996 Page 10 ----------------------------------------------------------------------------------------------------------------------------------- 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 DUP402A 1680 1987 308 12 0 0.567 0.35 1.43 0.199 0.869 0.229 1.77 0.228 -0.013 1 2 DUP402B 1446 1987 542 22 0 0.569 0.42 2.71 0.275 0.838 0.274 1.97 0.262 0.012 1 3 DUP403C 1502 1987 486 19 0 0.624 0.49 2.51 0.265 0.855 0.191 2.16 0.328 0.005 1 4 DUP404A 1500 1986 487 19 3 0.552 0.51 1.10 0.143 0.653 0.186 1.91 0.287 -0.014 4 5 DUP404B 1292 1986 695 28 1 0.521 0.65 1.59 0.234 0.759 0.199 1.84 0.206 0.005 1 6 DUP407C 1593 1987 395 16 0 0.554 0.32 0.93 0.153 0.756 0.285 2.12 0.322 -0.012 4 7 DUP408C 1519 1986 468 19 0 0.541 0.30 0.68 0.106 0.785 0.177 2.01 0.285 0.011 1 8 DUP409B 1534 1987 454 18 0 0.597 0.27 0.70 0.120 0.822 0.234 2.01 0.306 0.014 1 9 DUP410C 1510 1987 478 19 0 0.654 0.36 0.77 0.126 0.733 0.217 2.08 0.293 0.010 1 10 DUP414E 1650 1987 338 13 1 0.598 0.38 1.41 0.197 0.725 0.259 2.11 0.343 -0.013 1 11 DUP416D 1382 1987 606 24 2 0.530 0.24 1.23 0.172 0.864 0.289 2.06 0.330 -0.005 1 12 DUP425A 1391 1987 597 24 0 0.618 0.38 1.32 0.167 0.762 0.224 1.85 0.217 0.009 1 13 DUP428B 1421 1987 567 23 0 0.639 0.33 0.81 0.125 0.738 0.217 2.06 0.290 -0.011 1 14 DUP430A 1518 1987 470 19 2 0.540 0.35 1.68 0.225 0.913 0.180 2.05 0.314 -0.022 1 15 DUP431A 1515 1987 473 19 0 0.670 0.36 1.00 0.171 0.733 0.261 2.15 0.325 0.018 1 16 DUP434B 1460 1987 528 21 0 0.516 0.53 1.10 0.160 0.580 0.237 1.93 0.248 0.007 1 17 DUP435A 1580 1987 408 16 2 0.506 0.33 0.97 0.120 0.728 0.213 2.08 0.292 -0.018 3 18 DUP435B 1575 1979 405 16 0 0.513 0.38 0.68 0.097 0.383 0.229 1.82 0.252 -0.003 2 19 DUP436H 1643 1987 345 14 0 0.648 0.43 1.06 0.191 0.797 0.219 1.99 0.351 -0.015 1 20 DUP439A 1376 1987 612 24 0 0.624 0.25 0.87 0.132 0.890 0.181 1.93 0.247 0.013 1 21 DUP440A 1543 1987 445 18 0 0.606 0.28 0.66 0.088 0.703 0.195 1.94 0.305 -0.008 1 22 DUP440D 1475 1987 513 20 0 0.557 0.31 0.81 0.106 0.707 0.198 1.97 0.269 0.012 1 23 DUP446D 1510 1987 478 19 1 0.583 0.44 1.54 0.229 0.879 0.190 1.88 0.223 -0.015 1 24 DUP448C 1687 1987 301 12 0 0.662 0.46 1.01 0.138 0.770 0.174 1.88 0.258 -0.020 1 25 DUP449A 1476 1987 512 20 0 0.507 0.34 0.88 0.135 0.782 0.195 2.06 0.327 0.004 1 26 DUP450B 1603 1987 385 15 0 0.668 0.42 0.87 0.140 0.695 0.204 1.94 0.291 0.014 4 27 DUP452A 1503 1971 469 18 0 0.659 0.41 1.61 0.188 0.757 0.267 1.95 0.280 0.000 1 28 DUP453 1237 1748 512 20 0 0.600 0.27 1.50 0.167 0.872 0.246 1.96 0.286 0.004 1 29 DUP453A 1650 1987 338 13 0 0.666 0.37 0.74 0.129 0.704 0.213 1.98 0.297 -0.011 1 30 DUP454A 1377 1987 611 24 0 0.667 0.37 1.19 0.161 0.645 0.282 2.20 0.335 0.009 2 31 DUP457A 1233 1767 535 21 0 0.595 0.33 0.97 0.161 0.843 0.208 2.01 0.257 -0.022 1 32 DUP460A 1261 1920 660 26 0 0.561 0.38 0.94 0.154 0.838 0.178 2.11 0.309 -0.006 2 33 DUP461A 1452 1987 536 21 2 0.531 0.46 1.76 0.207 0.865 0.172 2.02 0.257 0.004 2 34 DUP465A 1234 1978 745 30 0 0.635 0.27 1.61 0.184 0.889 0.244 1.98 0.235 0.000 1 35 DUP467A 1366 1730 365 15 1 0.578 0.28 0.83 0.134 0.731 0.302 2.13 0.314 0.009 1 36 DUP470A 1234 1987 754 30 12 0.381 0.24 0.59 0.098 0.813 0.196 2.14 0.308 -0.018 1 37 DUP472A 1355 1926 572 23 0 0.678 0.31 1.19 0.164 0.771 0.254 2.17 0.301 0.000 1 38 DUP473A 1343 1987 645 26 0 0.584 0.31 1.07 0.125 0.775 0.201 2.04 0.297 -0.020 1 39 DUP473D 1280 1987 708 28 3 0.501 0.30 0.95 0.122 0.773 0.222 2.09 0.327 -0.002 1 40 DUP474A 1360 1987 628 25 0 0.590 0.26 1.01 0.114 0.815 0.208 2.07 0.239 0.005 1 41 DUP718 1209 1790 582 23 1 0.527 0.29 0.90 0.122 0.804 0.200 2.00 0.309 -0.015 2 42 DUP718A 1290 1908 619 25 0 0.578 0.49 1.15 0.156 0.710 0.185 1.99 0.248 0.000 1 43 DUP725 1348 1866 519 21 0 0.615 0.34 1.20 0.183 0.888 0.191 1.97 0.221 -0.018 1 44 DUP728 1380 1894 515 20 0 0.538 0.39 1.45 0.209 0.858 0.207 2.06 0.321 -0.011 1 45 DUP746 1202 1839 638 25 1 0.629 0.31 1.01 0.118 0.819 0.191 1.99 0.287 -0.002 1 46 DUP746A 1186 1299 114 3 0 0.629 0.24 0.47 0.079 0.720 0.208 2.04 0.446 -0.046 1 47 DUP904A 1251 1985 735 29 4 0.525 0.37 1.07 0.184 0.798 0.267 2.02 0.282 0.018 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 24096 955 36 0.579 0.36 2.71 0.158 0.781 0.219 2.20 0.284 -0.002