Eagle Bluff, Alaska - ak126 Additional Site Information Andrea Lloyd, Daniel Mann, and Paul Duffy Purpose of Collection: Ecology - collected to study tree growth response to climate Detrending: Horizontal line Cores Stored at: Middlebury College, Middlebury, VT Reference: Lloyd, A. et al. In Review, Canadian Journal of Forest Research NOTES: Third letter (B, F, or U) of the site code represents the topographic position on these steep river bluffs: B=trees towards the base of the bluff, F=trees out on the face of the bluff, and U=trees on the upper bluff. COFECHA output: Chronology file name : AK126.CRN Measurement file name : AK126.RWL Date checked : 19SEP12 Checked by : B. Bauer Beginning year : 1854 Ending year : 2009 Principal investigators: Andrea Lloyd Daniel Mann Paul Duffy Site name : Eagle Bluff Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : 6448 Longitude : -14112 Elevation : 341M Series intercorrelation: 0.639 Avg mean sensitivity : 0.261 Avg standard deviation : 0.363 Avg autocorrelation : 0.566 Number dated series : 30 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 3.28 PART 5: CORRELATION OF SERIES BY SEGMENTS: Eagle Bluff 12:04 Wed 19 Sep 2012 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 EBB010 1854 2009 .52 .72 .79 .80 .82 .84 2 EBB009 1858 2009 .36 .49 .61 .78 .92 .93 3 EBB008 1877 2009 .37 .59 .83 .85 .87 4 EBB007 1895 2009 .41 .54 .75 .75 .77 5 EBB006 1878 2009 .27A .40 .70 .73 .80 6 EBB005 1872 2009 .48 .50 .74 .87 .86 .88 7 EBB004 1856 2009 .43B .53 .74 .75 .80 .83 8 EBB003 1862 2009 .59 .68 .69 .82 .86 .84 9 EBB002 1883 2009 .50 .57 .79 .83 .80 10 EBB001 1870 2009 .42 .53 .57 .58 .78 .84 11 EBF010 1985 2009 .50 12 EBF009 1980 2009 .68 13 EBF008 1973 2009 .13B 14 EBF007 1983 2009 .69 15 EBF006 1981 2009 .71 16 EBF005 1978 2009 .71 17 EBF004 1976 2009 .65 18 EBF003 1982 2009 .62 19 EBF002 1975 2009 .65 20 EBF001 1970 2009 .68 21 EBU010 1907 2009 .18B .36 .59 .61 22 EBU009 1903 2009 .77 .84 .92 .91 23 EBU008 1858 2009 .41 .59 .82 .81 .79 .85 24 EBU007 1872 2009 .48 .47 .55 .50 .45 .58 25 EBU006 1857 2009 .51 .64 .67 .80 .85 .85 26 EBU005 1871 2009 .68 .75 .72 .77 .83 .87 27 EBU004 1863 2009 .44 .55 .78 .83 .58 .53 28 EBU003 1854 2009 .44 .55 .60 .66 .71 .76 29 EBU002 1855 2009 .46 .73 .80 .85 .82 .84 30 EBU001 1857 2009 .44 .71 .64 .71 .68 .75 Av segment correlation .48 .55 .64 .74 .74 .76 PART 7: DESCRIPTIVE STATISTICS: Eagle Bluff 12:04 Wed 19 Sep 2012 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 EBB010 1854 2009 156 6 0 .682 .96 1.99 .346 .690 .225 2.73 .371 -.010 1 2 EBB009 1858 2009 152 6 0 .648 .91 2.44 .510 .649 .321 2.71 .493 -.043 1 3 EBB008 1877 2009 133 5 0 .665 .97 1.89 .371 .562 .296 2.65 .489 -.009 1 4 EBB007 1895 2009 115 5 0 .651 .94 1.92 .413 .684 .276 2.63 .490 -.053 1 5 EBB006 1878 2009 132 5 1 .513 1.00 1.81 .272 .272 .260 2.75 .587 -.019 5 6 EBB005 1872 2009 138 6 0 .742 .99 2.36 .454 .772 .238 2.53 .402 -.061 1 7 EBB004 1856 2009 154 6 1 .626 .99 1.92 .270 .514 .210 2.52 .320 -.050 1 8 EBB003 1862 2009 148 6 0 .723 1.00 1.66 .279 .450 .235 2.69 .527 -.049 1 9 EBB002 1883 2009 127 5 0 .663 .98 1.99 .290 .376 .269 2.64 .446 -.064 1 10 EBB001 1870 2009 140 6 0 .591 .99 2.00 .322 .494 .252 2.96 .468 -.006 1 11 EBF010 1985 2009 25 1 0 .503 .98 1.80 .474 .296 .513 2.54 .625 .172 1 12 EBF009 1980 2009 30 1 0 .683 .99 1.89 .457 -.122 .534 2.54 .632 .017 2 13 EBF008 1973 2009 37 1 1 .126 .93 1.60 .462 .818 .326 2.63 .546 .025 1 14 EBF007 1983 2009 27 1 0 .692 .99 2.12 .400 .388 .353 2.50 .512 -.045 1 15 EBF006 1981 2009 29 1 0 .707 1.00 2.00 .390 .272 .418 2.64 .719 -.037 1 16 EBF005 1978 2009 32 1 0 .713 .96 1.54 .389 .583 .301 2.46 .544 -.046 1 17 EBF004 1976 2009 34 1 0 .651 .97 1.57 .345 .534 .285 2.61 .675 -.044 1 18 EBF003 1982 2009 28 1 0 .624 .94 1.94 .501 .769 .313 2.60 .595 -.065 1 19 EBF002 1975 2009 35 1 0 .647 .99 1.59 .330 .350 .293 2.60 .649 -.053 1 20 EBF001 1970 2009 40 1 0 .682 1.00 2.08 .416 .322 .353 2.77 .538 -.012 1 21 EBU010 1907 2009 103 4 1 .377 1.01 2.27 .464 .836 .203 2.58 .469 .009 4 22 EBU009 1903 2009 107 4 0 .847 .99 2.16 .348 .589 .242 2.69 .550 -.063 1 23 EBU008 1858 2009 152 6 0 .650 .99 2.07 .354 .537 .285 2.60 .398 -.030 1 24 EBU007 1872 2009 138 6 0 .494 .99 2.17 .347 .566 .253 2.71 .403 -.038 1 25 EBU006 1857 2009 153 6 0 .706 .97 2.62 .432 .714 .263 2.75 .479 -.035 1 26 EBU005 1871 2009 139 6 0 .764 .99 2.28 .350 .512 .262 2.73 .509 -.034 1 27 EBU004 1863 2009 147 6 0 .565 1.01 2.21 .354 .526 .266 2.68 .394 -.036 1 28 EBU003 1854 2009 156 6 0 .602 .99 2.26 .300 .569 .221 2.73 .459 -.064 1 29 EBU002 1855 2009 155 6 0 .696 1.03 2.54 .335 .672 .188 2.63 .464 -.014 1 30 EBU001 1857 2009 153 6 0 .629 1.03 2.39 .366 .663 .226 2.68 .561 -.028 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3115 122 4 .639 .99 2.62 .363 .566 .261 2.96 .476 -.033