Chronology file name : NONE Measurement file name : AK16.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1729 Ending year : 1986 Principal investigators: KLAUS F. KAISER Site name : GIRDWOOD, TURNAGIAN ARM Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 6157N Longitude : 14912W Elevation : 3 M Series intercorrelation: 0.570 Avg mean sensitivity : 0.203 Avg standard deviation : 0.865 Avg autocorrelation : 0.864 Number dated series : 15 Segment length tested : 50 Number problem segments: 7 Pct problem segments : 8.86 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 6.67 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #7 GIRD0080 1834-1899 IS MISDATED ALL FLAGS = LOW CORRELATIONS WITH MASTER STILL A VERY GOOD DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:09 Mon 01 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 GIRD0010 1900 1986 .47 .32A .55 2 GIRD0020 1907 1986 .40 .52 .57 3 GIRD0030 1852 1986 .15B .47 .49 .62 .74 4 GIRD0040 1729 1986 .96 .70 .44 .50 .51 .52 .64 .66 .53 .52 5 GIRD0050 1808 1986 .57 .59 .29B .55 .64 .47 .53 6 GIRD0070 1784 1986 .53 .59 .61 .56 .67 .66 .74 .70 7 GIRD0080 1834 1986 .23B .35B .42 .54 .65 .64 8 GIRD0090 1937 1986 .50 9 GIRD0100 1945 1986 .66 10 GIRD0110 1900 1986 .54 .58 .58 11 GIRD0120 1875 1986 .61 .62 .67 .71 12 GIRD0130 1876 1986 .28B .66 .56 .56 13 GIRD0150 1813 1986 .42 .43 .55 .50 .49 .61 .57 14 GIRD0160 1800 1986 .15B .47 .59 .53 .52 .51 .59 15 GIRDCH00 1729 1986 .96 .89 .76 .88 .88 .88 .96 .97 .98 .97 PART 7: DESCRIPTIVE STATISTICS: 23:09 Mon 01 JUL 1996 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 GIRD0010 1900 1986 87 3 1 0.487 3.27 5.04 1.046 0.822 0.183 1.83 0.254 0.020 1 2 GIRD0020 1907 1986 80 3 0 0.460 3.72 8.41 1.474 0.841 0.175 2.08 0.468 -0.058 3 3 GIRD0030 1852 1986 135 5 1 0.394 2.19 5.29 1.060 0.842 0.200 1.80 0.261 -0.005 1 4 GIRD0040 1729 1986 258 10 0 0.632 1.04 3.94 0.702 0.932 0.203 2.26 0.397 -0.011 2 5 GIRD0050 1808 1986 179 7 1 0.531 1.48 3.92 0.777 0.841 0.252 2.06 0.418 -0.055 4 6 GIRD0070 1784 1986 203 8 0 0.622 1.69 4.67 0.935 0.914 0.178 2.13 0.404 -0.059 3 7 GIRD0080 1834 1986 153 6 2 0.467 1.70 4.28 0.978 0.822 0.300 2.03 0.362 -0.019 1 8 GIRD0090 1937 1986 50 1 0 0.502 1.46 4.02 0.752 0.790 0.231 2.10 0.497 -0.122 1 9 GIRD0100 1945 1986 42 1 0 0.661 1.45 3.05 0.580 0.709 0.233 2.06 0.456 -0.009 1 10 GIRD0110 1900 1986 87 3 0 0.549 2.89 5.05 0.820 0.775 0.156 1.97 0.309 0.002 1 11 GIRD0120 1875 1986 112 4 0 0.661 3.03 6.02 1.278 0.846 0.193 1.99 0.402 -0.038 1 12 GIRD0130 1876 1986 111 4 1 0.447 1.25 2.66 0.477 0.792 0.216 2.02 0.362 0.094 1 13 GIRD0150 1813 1986 174 7 0 0.492 1.77 4.15 0.658 0.780 0.192 2.04 0.277 -0.045 3 14 GIRD0160 1800 1986 187 7 1 0.433 1.43 4.02 0.943 0.925 0.204 2.07 0.382 -0.053 2 15 GIRDCH00 1729 1986 258 10 0 0.880 1.34 3.39 0.773 0.946 0.156 2.12 0.344 -0.005 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2116 79 7 0.570 1.79 8.41 0.865 0.864 0.203 2.26 0.366 -0.024