Lake L16 Quebec, Canada - CANA460 Additional Site Information F. Gennaretti D. Arseneault Purpose of Collection: Climatology - temperature analyses Reference: Fabio Gennaretti, Dominique Arseneault, Antoine Nicault, Luc Perreault, and Yves Begin. 2014. Volcano-induced regime shifts in millennial tree-ring chronologies from northeastern North America. Proceedings of the National Academy of Sciences, published online 30 June 2014, DOI: 10.1073/pnas.1324220111 COFECHA output: Chronology file name : CANA460.CRN Measurement file name : CANA460.RWL Date checked : 19JUN14 Checked by : B. Bauer Beginning year : 774 Ending year : 2011 Principal investigators: F. Gennaretti D. Arseneault Site name : Lake L16 Quebec Site location : Canada Species information : PCMA BLACK SPRUCE Latitude : 5406 Longitude : -07138 Elevation : 451M Series intercorrelation: 0.491 Avg mean sensitivity : 0.154 Avg standard deviation : 0.161 Avg autocorrelation : 0.862 Number dated series : 100 Segment length tested : 50 Number problem segments: 43 Pct problem segments : 9.84 PART 5: CORRELATION OF SERIES BY SEGMENTS: Lake L16 10:04 Thu 19 Jun 2014 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 800 825 850 875 900 925 950 975 1000 1025 1050 1075 1100 1125 1150 1175 1200 1225 1250 1275 849 874 899 924 949 974 999 1024 1049 1074 1099 1124 1149 1174 1199 1224 1249 1274 1299 1324 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 8 L16009 806 936 .31A .46 .36 .43 .53 9 L16010 1268 1420 .52 .68 10 L16012 1013 1137 .59 .55 .39 .47 .50 18 L16022 1268 1399 .42 .69 20 L16025 1031 1135 .64 .57 .59 .63 23 L16029 1120 1200 .09B .17B .51 .51 25 L16032 816 997 .14B .14B .40 .69 .77 .65 .59 27 L16035 1026 1175 .46 .52 .49 .50 .53 .55 29 L16051 774 947 .13B .45 .53 .64 .73 31 L16054 1093 1179 .73 .75 .52 .51 37 L16060 1122 1270 .63 .65 .67 .52 .30A .43 39 L16064 1204 1290 .46 .55 .48 41 L16066 1222 1291 .65 .65 .58 42 L16068 1075 1197 .62 .66 .55 .58 44 L16070 1100 1252 .19B .46 .54 .45 .50 .49 47 L16074 1281 1409 .33B 48 L16075 1207 1324 .35 .45 .58 .58 49 L16076 1191 1326 .26B .41 .63 .49 .62 50 L16077 959 1068 .54 .53 .40 .48 51 L16078 827 942 .44 .52 .71 .74 52 L16079 1139 1210 .55 .57 .54 53 L16082 881 1122 .49 .58 .64 .56 .50 .47 .53 .46 .52 55 L16085 1126 1220 .36 .43 .36 59 L16096 1162 1261 .35 .35 .52 .53 Av segment correlation .19 .37 .45 .59 .67 .65 .56 .51 .49 .53 .48 .57 .49 .48 .52 .43 .46 .53 .51 .58 PART 5: CORRELATION OF SERIES BY SEGMENTS: Lake L16 10:04 Thu 19 Jun 2014 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 1300 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1349 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 L16001 1565 1671 .45 .60 .64 .56 2 L16002 1682 1806 .52 .69 .41B .26B .25B 3 L16003 1618 1675 .52 .69 .69 4 L16004 1643 1749 .37 .48 .53 .66 5 L16005 1621 1761 .65 .79 .70 .62 .54 .51 6 L16007 1405 1542 .54 .55 .56 .61 .36 7 L16008 1413 1534 .49 .58 .47 .39 .40 9 L16010 1268 1420 .52 .37 .38 .46 11 L16013 1535 1667 .43 .62 .45 .46 .60 12 L16014 1499 1563 .37 .43 .59 13 L16015 1423 1544 .41 .42 .66 .69 .61 14 L16018 1740 1837 .58 .68 .64 15 L16019 1793 1887 .57 16 L16020 1736 1805 .36 .55 .54 17 L16021 1498 1710 .39 .36 .50 .64 .80 .73 .66 .68 .66 18 L16022 1268 1399 .56 .55 .48 19 L16024 1487 1568 .57 .57 .40 21 L16026 1522 1616 .48 .49 .60 .63 22 L16027 1626 1766 .16A .39 .59 .63 .52 24 L16030 1562 1732 .54 .65 .61 .51 .64 .60 .39 26 L16033 1379 1536 .30A .42 .31A .39 .49 .53 28 L16050 1332 1394 .24B .39 30 L16053 1492 1677 .43 .44 .57 .62 .78 .64 .43 .39 32 L16055 1503 1663 .33 .46 .59 .73 .53 .22A 33 L16056 1510 1599 .37 .53 .71 34 L16057 1529 1592 .45 .67 35 L16058 1475 1588 .17B .30B .52 .50 36 L16059 1330 1482 .56 .57 .32A .42 .59 .66 38 L16063 1385 1536 .09B .42 .69 .61 .57 .49 40 L16065 1486 1585 .60 .61 .62 .65 43 L16069 1745 1814 .37 .43 .48 45 L16072 1463 1620 .31A .61 .65 .46 .52 .60 46 L16073 1754 1865 .62 .55 47 L16074 1281 1409 .29A .50 .67 .60 49 L16076 1191 1326 .60 54 L16083 1706 1768 .55 .63 57 L16090 1441 1530 .62 .59 .61 .49 58 L16094 1429 1561 .42 .40 .55 .50 .40 60 L16097 1404 1527 .47 .59 .70 .60 .59 61 L16098 1539 1645 .39 .57 .75 .74 62 L16099 1480 1587 .50 .55 .60 .63 63 L16100 1483 1607 .48 .52 .50 .50 .52 64 L16101 1541 1600 .35 .33A .33A 65 L16102 1699 1792 .21B .18B .75 .73 66 L16103 1496 1578 .65 .59 .42 .46B 67 L16104 1480 1565 .41 .39 .32A 68 L16106 1518 1648 .50 .40 .56 .68 .65 69 L16107 1617 1711 .33 .32A .53 .58 70 L16108 1596 1683 .54 .63 .51 .57 71 L16111 1523 1614 .45 .47 .64 .43 72 L16114 1562 1664 .32B .44 .58 .54 73 L16115 1532 1630 .19B .53 .76 .75 74 L16B35 1463 1531 .49 .68 .67 75 L16B57 1760 1854 .59 .55 Av segment correlation .49 .44 .50 .35 .45 .53 .53 .52 .49 .46 .55 .61 .61 .49 .56 .54 .52 .52 .55 .51 PART 5: CORRELATION OF SERIES BY SEGMENTS: Lake L16 10:04 Thu 19 Jun 2014 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 1975 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 14 L16018 1740 1837 .75 15 L16019 1793 1887 .60 .54 .36 46 L16073 1754 1865 .60 .51 56 L16089 1840 1894 .20B .24B 75 L16B57 1760 1854 .61 .64 76 L16V1J 1902 2009 .56 .54 .61 .63 77 L16V1Y 1875 2010 .23A .43 .44 .44 .37 78 L16V2Y 1865 2010 .60 .63 .71 .55 .50 .51 79 L16V3J 1931 2009 .43 .51 .53 80 L16V3Y 1864 2010 .33 .44 .57 .64 .65 .55 81 L16V4Y 1917 2010 .55 .70 .54 .42 82 L16V5J 1899 2009 .54 .54 .60 .50 .46 83 L16V5Y 1932 2010 .48 .45 .49 84 L16V7J 1886 2009 .55 .69 .74 .62 .58 85 L16V9J 1909 2009 .54 .36 .38 .48 86 L16V01 1915 2011 .40 .55 .64 .64 87 L16V02 1927 2011 .24A .38 .46 88 L16V03 1934 2011 .35 .46 .58 89 L16V04 1932 2011 .68 .66 .66 90 L16V05 1905 2011 .42 .38 .56 .59 91 L16V06 1904 2011 .28B .38 .39 .24A 92 L16V07 1859 2011 .57 .61 .69 .62 .66 .75 93 L16V08 1921 2011 .35 .34 .51 .55 94 L16V09 1922 2011 .31A .30A .59 .57 95 L16V10 1914 2011 .67 .66 .74 .66 96 L16V11 1938 2011 .58 .65 .68 97 L16V12 1968 2011 .35 98 L16V13 1883 2011 .39 .55 .43 .37 .30B 99 L16V14 1853 2000 .36B .42 .55 .64 .48 .48 100 L16V15 1953 2011 .40 .53 Av segment correlation .64 .47 .41 .48 .52 .51 .52 .53 PART 7: DESCRIPTIVE STATISTICS: Lake L16 10:04 Thu 19 Jun 2014 Page 16 ----------------------------------------------------------------------------------------------------------------------------------- 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 L16001 1565 1671 107 4 0 .511 .38 1.01 .176 .871 .169 2.75 .585 -.080 1 2 L16002 1682 1806 125 5 3 .410 .34 1.54 .249 .925 .184 2.52 .356 -.029 1 3 L16003 1618 1675 58 3 0 .527 .42 .88 .156 .868 .144 2.71 .664 -.032 1 4 L16004 1643 1749 107 4 0 .483 .38 1.06 .194 .915 .162 2.76 .488 .037 1 5 L16005 1621 1761 141 6 0 .612 .37 1.13 .214 .928 .150 2.69 .487 -.064 1 6 L16007 1405 1542 138 5 0 .453 .30 .78 .175 .897 .172 2.71 .334 -.029 1 7 L16008 1413 1534 122 5 0 .458 .31 .87 .137 .936 .113 2.71 .474 -.013 3 8 L16009 806 936 131 5 1 .372 .31 .96 .150 .913 .135 2.73 .469 -.023 1 9 L16010 1268 1420 153 6 0 .441 .30 .56 .099 .877 .133 2.73 .457 .013 1 10 L16012 1013 1137 125 5 0 .497 .44 .88 .141 .785 .148 2.46 .344 -.047 1 11 L16013 1535 1667 133 5 0 .460 .37 .92 .201 .920 .179 2.75 .529 -.025 3 12 L16014 1499 1563 65 3 0 .512 .50 1.20 .224 .942 .110 2.62 .439 .008 1 13 L16015 1423 1544 122 5 0 .515 .30 .53 .085 .764 .146 2.59 .335 -.051 1 14 L16018 1740 1837 98 4 0 .627 .41 1.13 .170 .881 .147 2.72 .428 -.023 1 15 L16019 1793 1887 95 4 0 .472 .36 1.31 .271 .931 .199 2.81 .557 -.014 3 16 L16020 1736 1805 70 3 0 .398 .47 1.02 .206 .825 .214 2.81 .507 .020 1 17 L16021 1498 1710 213 9 0 .628 .21 .68 .083 .857 .159 2.58 .379 -.041 1 18 L16022 1268 1399 132 5 0 .453 .50 .88 .176 .860 .147 2.51 .386 -.051 1 19 L16024 1487 1568 82 3 0 .459 .45 1.33 .270 .941 .177 2.47 .444 -.046 1 20 L16025 1031 1135 105 4 0 .628 .43 1.12 .199 .903 .150 2.71 .387 -.109 1 21 L16026 1522 1616 95 4 0 .552 .36 .82 .144 .891 .148 2.53 .477 -.085 1 22 L16027 1626 1766 141 5 1 .431 .37 .64 .111 .817 .138 2.51 .379 -.012 1 23 L16029 1120 1200 81 4 2 .326 .68 1.26 .204 .737 .170 2.49 .383 -.068 1 24 L16030 1562 1732 171 7 0 .560 .29 .81 .121 .896 .155 2.71 .419 -.033 1 25 L16032 816 997 182 7 2 .498 .27 .66 .103 .792 .172 2.81 .440 -.005 1 26 L16033 1379 1536 158 6 2 .370 .32 .68 .136 .867 .169 2.72 .499 .062 1 27 L16035 1026 1175 150 6 0 .486 .31 .66 .125 .806 .202 2.82 .488 .039 1 28 L16050 1332 1394 63 2 1 .252 .47 .94 .160 .807 .150 2.61 .515 .174 1 29 L16051 774 947 174 5 1 .436 .25 .53 .094 .851 .165 2.65 .483 -.032 2 30 L16053 1492 1677 186 8 0 .534 .27 .72 .111 .904 .139 2.64 .348 .017 4 31 L16054 1093 1179 87 4 0 .615 .52 1.36 .262 .911 .178 2.55 .369 .031 2 32 L16055 1503 1663 161 6 1 .440 .29 .74 .108 .848 .136 2.90 .426 -.042 1 33 L16056 1510 1599 90 3 0 .496 .37 .85 .135 .785 .166 2.60 .395 .006 1 34 L16057 1529 1592 64 2 0 .517 .55 1.01 .187 .815 .151 2.62 .566 .073 1 35 L16058 1475 1588 114 4 2 .336 .26 .83 .154 .904 .174 2.57 .430 .027 2 36 L16059 1330 1482 153 6 1 .486 .38 .86 .134 .882 .126 2.67 .417 -.009 1 37 L16060 1122 1270 149 6 1 .527 .27 .68 .145 .917 .185 2.75 .396 -.044 1 38 L16063 1385 1536 152 6 1 .419 .28 .53 .083 .801 .144 2.56 .428 -.031 1 39 L16064 1204 1290 87 3 0 .442 .34 .88 .223 .960 .163 2.90 .536 .042 1 40 L16065 1486 1585 100 4 0 .622 .42 1.00 .155 .832 .154 2.52 .445 -.045 1 41 L16066 1222 1291 70 3 0 .594 .49 1.06 .209 .859 .168 2.58 .503 -.039 1 42 L16068 1075 1197 123 4 0 .588 .31 .73 .120 .836 .169 2.61 .355 .013 2 43 L16069 1745 1814 70 3 0 .357 .61 1.38 .240 .884 .139 2.62 .511 -.046 1 44 L16070 1100 1252 153 6 1 .379 .25 .52 .066 .649 .159 2.62 .372 .004 1 45 L16072 1463 1620 158 6 1 .471 .28 .69 .147 .887 .196 2.68 .399 -.053 1 46 L16073 1754 1865 112 4 0 .572 .38 .64 .160 .919 .129 2.51 .413 -.017 1 47 L16074 1281 1409 129 5 2 .412 .26 .66 .108 .870 .155 2.56 .364 -.021 1 48 L16075 1207 1324 118 4 0 .455 .20 .59 .117 .906 .199 2.59 .458 .019 1 PART 7: DESCRIPTIVE STATISTICS: Lake L16 10:04 Thu 19 Jun 2014 Page 17 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 L16076 1191 1326 136 6 1 .514 .34 .91 .136 .814 .178 2.92 .552 -.070 1 50 L16077 959 1068 110 4 0 .512 .43 .66 .093 .690 .134 2.61 .479 -.003 1 51 L16078 827 942 116 4 0 .610 .30 .69 .154 .935 .143 2.60 .553 .011 1 52 L16079 1139 1210 72 3 0 .540 .47 1.06 .212 .806 .184 3.02 .551 .013 1 53 L16082 881 1122 242 9 0 .528 .19 .36 .064 .780 .190 2.66 .424 .024 1 54 L16083 1706 1768 63 2 0 .544 .55 1.16 .199 .849 .162 2.72 .495 -.007 1 55 L16085 1126 1220 95 3 0 .356 .53 .87 .127 .713 .145 2.79 .633 .017 1 56 L16089 1840 1894 55 2 2 .212 .91 2.49 .546 .881 .181 2.67 .606 -.071 1 57 L16090 1441 1530 90 4 0 .562 .44 1.06 .160 .845 .132 2.65 .507 -.001 1 58 L16094 1429 1561 133 5 0 .422 .28 .58 .108 .857 .150 2.66 .393 -.057 1 59 L16096 1162 1261 100 4 0 .432 .46 1.05 .204 .955 .111 2.49 .361 -.020 1 60 L16097 1404 1527 124 5 0 .553 .34 .56 .078 .650 .139 2.46 .337 -.062 1 61 L16098 1539 1645 107 4 0 .623 .45 1.00 .169 .816 .155 2.70 .387 -.032 1 62 L16099 1480 1587 108 4 0 .560 .39 1.14 .206 .927 .153 2.43 .380 -.024 1 63 L16100 1483 1607 125 5 0 .487 .25 .82 .129 .897 .148 2.76 .452 .010 1 64 L16101 1541 1600 60 3 2 .365 .51 1.65 .312 .832 .165 2.87 .470 -.085 1 65 L16102 1699 1792 94 4 2 .512 .33 .72 .123 .883 .149 2.57 .452 -.007 1 66 L16103 1496 1578 83 4 1 .599 .40 1.02 .170 .905 .140 2.67 .562 -.073 1 67 L16104 1480 1565 86 3 1 .372 .38 .87 .158 .894 .134 2.47 .363 .006 1 68 L16106 1518 1648 131 5 0 .587 .43 1.01 .181 .873 .157 2.40 .322 -.072 1 69 L16107 1617 1711 95 4 1 .486 .38 .63 .117 .827 .156 2.56 .406 .037 1 70 L16108 1596 1683 88 4 0 .541 .49 1.45 .315 .897 .165 2.62 .512 -.069 1 71 L16111 1523 1614 92 4 0 .456 .25 .75 .141 .909 .159 2.55 .459 -.109 1 72 L16114 1562 1664 103 4 1 .420 .36 .96 .158 .819 .190 2.61 .413 -.010 1 73 L16115 1532 1630 99 4 1 .569 .61 1.38 .285 .890 .184 2.57 .423 -.004 1 74 L16B35 1463 1531 69 3 0 .556 .79 1.27 .195 .617 .183 2.59 .513 -.076 1 75 L16B57 1760 1854 95 4 0 .596 .29 .68 .134 .848 .175 2.44 .333 -.038 1 76 L16V1J 1902 2009 108 4 0 .590 .40 1.23 .202 .937 .120 2.73 .455 -.067 1 77 L16V1Y 1875 2010 136 5 1 .330 .57 2.33 .330 .879 .148 3.01 .469 .109 1 78 L16V2Y 1865 2010 146 6 0 .565 .44 1.17 .215 .937 .119 2.69 .472 -.071 1 79 L16V3J 1931 2009 79 3 0 .432 .55 1.48 .294 .899 .149 2.74 .545 -.012 1 80 L16V3Y 1864 2010 147 6 0 .510 .37 1.33 .286 .972 .143 2.70 .543 .046 1 81 L16V4Y 1917 2010 94 4 0 .488 .29 .78 .197 .960 .149 2.47 .379 -.066 1 82 L16V5J 1899 2009 111 5 0 .490 .31 .75 .102 .829 .132 2.64 .439 .026 1 83 L16V5Y 1932 2010 79 3 0 .493 .43 .92 .188 .912 .122 2.92 .626 .044 1 84 L16V7J 1886 2009 124 5 0 .579 .37 .97 .147 .905 .128 2.64 .450 -.075 1 85 L16V9J 1909 2009 101 4 0 .509 .37 .82 .163 .853 .178 2.59 .484 -.006 1 86 L16V01 1915 2011 97 4 0 .513 .43 1.41 .214 .900 .162 2.65 .509 -.056 1 87 L16V02 1927 2011 85 3 1 .424 .36 1.10 .148 .779 .154 2.55 .515 -.010 3 88 L16V03 1934 2011 78 3 0 .458 .48 1.04 .195 .892 .146 2.52 .529 -.001 1 89 L16V04 1932 2011 80 3 0 .666 .49 .91 .112 .682 .148 2.67 .532 -.033 1 90 L16V05 1905 2011 107 4 0 .496 .30 .55 .074 .764 .136 2.70 .451 -.039 4 91 L16V06 1904 2011 108 4 2 .263 .33 .79 .146 .935 .115 2.62 .456 -.089 1 92 L16V07 1859 2011 153 6 0 .622 .33 .74 .106 .891 .116 2.39 .297 -.034 1 93 L16V08 1921 2011 91 4 0 .460 .31 .96 .172 .915 .139 2.95 .623 -.090 1 94 L16V09 1922 2011 90 4 2 .471 .46 1.23 .224 .939 .103 2.81 .559 .032 1 95 L16V10 1914 2011 98 4 0 .657 .30 .84 .163 .920 .148 2.69 .410 -.073 1 96 L16V11 1938 2011 74 3 0 .588 .43 .84 .165 .830 .152 2.71 .506 .083 1 PART 7: DESCRIPTIVE STATISTICS: Lake L16 10:04 Thu 19 Jun 2014 Page 18 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 97 L16V12 1968 2011 44 1 0 .353 .65 .96 .118 .485 .145 2.55 .574 -.058 1 98 L16V13 1883 2011 129 5 1 .364 .44 1.02 .190 .920 .128 2.79 .504 -.009 1 99 L16V14 1853 2000 148 6 1 .449 .39 1.31 .246 .957 .131 2.81 .396 -.003 1 100 L16V15 1953 2011 59 2 0 .430 .72 1.31 .228 .872 .125 2.78 .515 -.021 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 11150 437 43 .491 .37 2.49 .161 .862 .154 3.02 .447 -.019