Floe Lake, British Columbia, Canada - CANA406 Additional information Margaret Colenutt, Ray Colenutt, and Brian Luckman Cores are stored at: University of Western Ontario References: Colenutt M. 2000. Climate reconstruction in the southern Canadian Rockies using tree-ring data from alpine larch. PhD dissertation, University of Western Ontario, London, Ontario. Colenutt, M.E. and Luckman B.H. 1995. The Dendrochronological Characteristics of Alpine Larch. Canadian Journal of Forest Research 25, 777-789. COFECHA output: Chronology file name : CANA406.CRN Measurement file name : CANA406.RWL Date checked : 04DEC13 Checked by : B. Bauer Beginning year : 1365 Ending year : 1992 Principal investigators: Margaret Colenutt Ray Colenutt Brian Luckman Site name : Floe Lake Site location : Canada Species information : LALY SUBALPINE LARCH Latitude : 5103 Longitude : -11608 Elevation : 2200M Series intercorrelation: 0.801 Avg mean sensitivity : 0.346 Avg standard deviation : 0.208 Avg autocorrelation : 0.643 Number dated series : 35 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Floe Lake 12:30 Wed 04 Dec 2013 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 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 F8801E 1779 1987 .74 .81 .64 .76 2 F8801N 1832 1987 .86 .84 3 F8804E 1734 1987 .84 .85 .89 .85 .66 .82 4 F8804N 1723 1987 .64 .63 .78 .90 .84 .73 .72 5 F8806N 1670 1987 .78 .83 .81 .78 .79 .87 .85 .73 .85 6 F8806W 1581 1987 .80 .75 .67 .80 .88 .85 .75 .80 .75 .58 .67 .87 7 F8807E 1574 1726 .79 .78 .83 .82 .88 .85 .84 8 F8807N 1649 1987 .91 .92 .93 .91 .88 .89 .91 .92 .83 .77 9 F8807W 1574 1987 .79 .77 .85 .92 .95 .82 .72 .80 .83 .87 .93 .81 .86 10 F8808E 1523 1651 .79 .76 .73 .78 .83 .87 11 F8808E 1682 1987 .86 .88 .91 .87 .85 .79 .65 .82 12 F8808N 1575 1987 .78 .84 .82 .79 .78 .84 .94 .88 .87 .73 .68 .83 13 F8809S 1748 1987 .74 .78 .82 .90 .83 .85 14 F8809E 1733 1987 .73 .72 .90 .82 .75 .84 15 F8810E 1627 1987 .63 .66 .86 .87 .85 .88 .92 .91 .87 .72 16 F8810N 1708 1987 .87 .83 .88 .93 .87 .71 .67 17 FL301 1742 1992 .74 .71 .70 .81 .76 .78 18 FL303N 1776 1992 .89 .87 .86 .88 19 FL305E 1605 1992 .90 .92 .92 .91 .90 .89 .90 .87 .84 .84 .81 20 FL305N 1580 1992 .81 .85 .88 .87 .87 .90 .86 .83 .81 .78 .86 .89 21 FL306E 1564 1992 .66 .67 .65 .79 .73 .65 .71 .78 .82 .85 .88 .83 .61 22 FL306N 1552 1992 .62 .62 .66 .82 .67 .71 .85 .86 .87 .91 .79 .73 .67 23 FL307E 1706 1992 .71 .81 .76 .77 .86 .86 .80 24 FL307N 1725 1992 .64 .64 .67 .84 .82 .81 25 FL308N 1651 1992 .86 .88 .85 .90 .84 .81 .86 .73 .83 26 FL308W 1610 1992 .78 .77 .80 .86 .89 .89 .87 .80 .78 .85 .72 27 FL309N 1646 1751 .62 .69 .87 .90 .87 28 FL309N 1758 1992 .77 .83 .85 .87 .91 29 FL310W 1674 1992 .75 .75 .74 .80 .85 .81 .79 .78 .83 30 FL313W 1663 1992 .86 .89 .88 .87 .87 .90 .91 .90 .89 31 FL321 1365 1853 .49 .47 .72 .76 .72 .66 .58 .50 .53 .76 .75 .82 .90 .83 .76 .81 .84 .72 .72 32 FL322A 1386 1838 .77 .69 .76 .81 .70 .79 .78 .68 .70 .78 .85 .84 .85 .89 .84 .86 .75 .53 33 FL322B 1386 1845 .74 .69 .75 .83 .80 .81 .73 .59 .73 .87 .73 .75 .81 .86 .92 .90 .92 .93 34 FL324A 1480 1830 .59 .67 .78 .79 .79 .83 .79 .83 .72 .62 .81 .77 .71 .75 35 FL325A 1544 1839 .52 .56 .73 .57 .44 .58 .71 .85 .87 .80 .72 .78 Av segment correlation .67 .62 .74 .80 .70 .74 .69 .67 .73 .78 .78 .80 .83 .83 .82 .82 .83 .82 .78 .80 PART 5: CORRELATION OF SERIES BY SEGMENTS: Floe Lake 12:30 Wed 04 Dec 2013 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 1875 1900 1925 1950 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 F8801E 1779 1987 .86 .86 .78 .70 2 F8801N 1832 1987 .79 .70 .72 .71 3 F8804E 1734 1987 .90 .90 .89 .82 4 F8804N 1723 1987 .72 .74 .78 .78 5 F8806N 1670 1987 .89 .88 .91 .90 6 F8806W 1581 1987 .91 .90 .89 .85 8 F8807N 1649 1987 .81 .90 .93 .89 9 F8807W 1574 1987 .82 .77 .88 .83 11 F8808E 1682 1987 .87 .89 .84 .82 12 F8808N 1575 1987 .74 .77 .85 .81 13 F8809S 1748 1987 .83 .83 .90 .82 14 F8809E 1733 1987 .87 .90 .92 .92 15 F8810E 1627 1987 .75 .94 .91 .88 16 F8810N 1708 1987 .72 .90 .90 .90 17 FL301 1742 1992 .87 .83 .84 .87 18 FL303N 1776 1992 .86 .87 .88 .86 19 FL305E 1605 1992 .67 .74 .83 .83 20 FL305N 1580 1992 .88 .88 .82 .85 21 FL306E 1564 1992 .63 .80 .84 .85 22 FL306N 1552 1992 .67 .82 .85 .85 23 FL307E 1706 1992 .76 .85 .86 .86 24 FL307N 1725 1992 .84 .87 .88 .87 25 FL308N 1651 1992 .85 .80 .84 .82 26 FL308W 1610 1992 .72 .85 .86 .86 28 FL309N 1758 1992 .90 .83 .79 .81 29 FL310W 1674 1992 .84 .85 .89 .87 30 FL313W 1663 1992 .85 .75 .86 .92 Av segment correlation .81 .84 .86 .84 PART 7: DESCRIPTIVE STATISTICS: Floe Lake 12:30 Wed 04 Dec 2013 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 F8801E 1779 1987 209 8 0 .767 .71 1.58 .256 .515 .290 2.66 .360 .031 1 2 F8801N 1832 1987 156 6 0 .744 .54 1.04 .197 .539 .300 2.57 .341 .030 1 3 F8804E 1734 1987 254 10 0 .837 .56 1.25 .208 .491 .310 2.60 .319 -.005 2 4 F8804N 1723 1987 265 11 0 .745 .72 1.70 .292 .642 .280 2.70 .374 .028 1 5 F8806N 1670 1987 318 13 0 .838 .42 1.08 .170 .500 .347 2.47 .306 .025 1 6 F8806W 1581 1987 407 16 0 .807 .56 1.98 .316 .738 .353 2.45 .286 .020 1 7 F8807E 1574 1726 153 7 0 .808 .45 1.38 .240 .610 .371 2.79 .420 .025 1 8 F8807N 1649 1987 339 14 0 .878 .34 .90 .162 .570 .387 2.52 .361 -.017 2 9 F8807W 1574 1987 414 17 0 .831 .37 .91 .178 .525 .384 2.56 .367 .005 2 10 F8808E 1523 1651 129 6 0 .781 .58 1.11 .175 .375 .261 2.81 .455 .033 1 11 F8808E 1682 1987 306 12 0 .834 .29 .68 .113 .441 .335 2.45 .242 .002 1 12 F8808N 1575 1987 413 16 0 .805 .32 .90 .168 .705 .333 2.60 .344 .020 1 13 F8809S 1748 1987 240 10 0 .821 .28 .71 .129 .750 .264 2.40 .266 .002 2 14 F8809E 1733 1987 255 10 0 .839 .25 .65 .128 .749 .315 2.63 .429 -.013 1 15 F8810E 1627 1987 361 14 0 .829 .36 1.23 .195 .725 .318 2.68 .407 -.005 2 16 F8810N 1708 1987 280 11 0 .830 .35 .80 .154 .564 .348 2.67 .448 .007 1 17 FL301 1742 1992 251 10 0 .786 .46 1.55 .232 .690 .309 2.52 .289 -.009 1 18 FL303N 1776 1992 217 8 0 .876 .36 1.06 .168 .589 .329 2.58 .376 .010 1 19 FL305E 1605 1992 388 15 0 .852 .37 1.10 .167 .527 .357 2.42 .234 .013 1 20 FL305N 1580 1992 413 16 0 .850 .33 .91 .166 .676 .340 2.51 .239 .005 2 21 FL306E 1564 1992 429 17 0 .775 .40 1.49 .244 .685 .412 2.80 .386 -.006 2 22 FL306N 1552 1992 441 17 0 .754 .33 1.42 .211 .652 .429 2.94 .424 .014 1 23 FL307E 1706 1992 287 11 0 .802 .58 1.63 .244 .607 .320 2.62 .436 -.023 3 24 FL307N 1725 1992 268 10 0 .776 .56 1.32 .227 .642 .306 2.60 .482 .009 1 25 FL308N 1651 1992 342 13 0 .835 .35 1.00 .188 .674 .381 2.65 .413 -.015 1 26 FL308W 1610 1992 383 15 0 .817 .28 .66 .129 .524 .408 2.60 .377 .014 1 27 FL309N 1646 1751 106 5 0 .782 .54 1.24 .227 .566 .313 2.61 .465 -.060 1 28 FL309N 1758 1992 235 9 0 .846 .64 2.08 .314 .632 .325 2.61 .366 .007 2 29 FL310W 1674 1992 319 13 0 .814 .39 1.14 .190 .666 .346 2.66 .390 -.022 1 30 FL313W 1663 1992 330 13 0 .849 .39 1.07 .189 .529 .404 2.33 .244 -.002 1 31 FL321 1365 1853 489 19 0 .684 .46 1.74 .303 .753 .348 2.61 .372 -.018 2 32 FL322A 1386 1838 453 18 0 .752 .33 .97 .190 .812 .299 2.71 .421 .008 2 33 FL322B 1386 1845 460 18 0 .806 .28 .83 .150 .769 .334 2.61 .364 -.007 2 34 FL324A 1480 1830 351 14 0 .745 .38 1.15 .198 .669 .368 2.55 .412 -.006 1 35 FL325A 1544 1839 296 12 0 .678 .62 2.36 .495 .888 .337 2.58 .386 -.018 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10957 434 0 .801 .41 2.36 .208 .643 .346 2.94 .361 .002