Chronology file name : NONE Measurement file name : AK20.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1616 Ending year : 1986 Principal investigators: KLAUS F. KAISER Site name : CHITINA (PEAT BOG) Site location : ALASKA, USA Species information : PCMA BLACK SPRUCE Latitude : 6140N Longitude : 14440W Elevation : 150 M Series intercorrelation: 0.563 Avg mean sensitivity : 0.157 Avg standard deviation : 0.146 Avg autocorrelation : 0.873 Number dated series : 16 Segment length tested : 50 Number problem segments: 14 Pct problem segments : 10.61 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 CORRELATION WITH MASTER SOME INNER SEGMENTS SHOULD BE DELETED, VERY GOOD DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:10 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 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CHIT0010 1620 1986 .90 .98 .99 .92 .75 .57 .57 .43 .12B .32B .63 .46 .27A .36 .38 2 CHIT0020 1787 1986 .41 .38 .59 .67 .61 .60 .60 .57 3 CHIT0040 1801 1986 .46 .53 .54 .48 .48 .50 .46 4 CHIT0050 1805 1985 .18B .49 .60 .65 .38 .29A .25A 5 CHIT0060 1719 1986 .53 .56 .39 .29A .22B .41 .52 .49 .44 .47 .38 6 CHIT0070 1801 1986 .17B .14B .39 .69 .65 .58 .61 7 CHIT0090 1813 1986 .48 .53 .62 .60 .46 .44 .54 8 CHIT0100 1827 1986 .39 .55 .61 .54 .55 .57 9 CHIT0110 1793 1986 .42 .19B .49 .71 .67 .57 .52 .54 10 CHIT0120 1844 1986 .74 .78 .79 .60 .62 .63 11 CHIT0130 1819 1986 .29B .40 .67 .56 .26A .41 .60 12 CHIT0140 1848 1986 .64 .67 .43 .33 .43 .37 13 CHIT0150 1803 1986 .31A .49 .56 .35 .41 .54 .51 14 CHIT0160 1796 1986 .37 .37 .59 .58 .62 .52 .55 .58 15 CHIT0170 1813 1986 .43 .56 .66 .69 .53 .64 .71 16 CHITCH00 1616 1986 .90 .98 .99 .98 .96 .95 .86 .84 .91 .92 .98 .96 .96 .97 .97 PART 7: DESCRIPTIVE STATISTICS: 23:10 Mon 01 JUL 1996 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 CHIT0010 1620 1986 367 15 3 0.620 0.20 1.40 0.150 0.902 0.153 2.23 0.330 -0.008 4 2 CHIT0020 1787 1986 200 8 0 0.571 0.31 0.57 0.110 0.835 0.157 2.00 0.332 -0.008 1 3 CHIT0040 1801 1986 186 7 0 0.483 0.22 0.55 0.106 0.892 0.175 2.05 0.296 -0.046 1 4 CHIT0050 1805 1985 181 7 3 0.380 0.26 0.60 0.112 0.872 0.149 2.34 0.393 -0.037 2 5 CHIT0060 1719 1986 268 11 2 0.410 0.19 0.74 0.129 0.925 0.159 2.20 0.238 0.015 1 6 CHIT0070 1801 1986 186 7 2 0.469 0.25 0.48 0.074 0.785 0.157 2.06 0.325 0.017 1 7 CHIT0090 1813 1986 174 7 0 0.511 0.28 0.56 0.114 0.855 0.160 2.18 0.361 0.016 1 8 CHIT0100 1827 1986 160 6 0 0.539 0.39 0.78 0.162 0.883 0.162 2.25 0.445 -0.020 1 9 CHIT0110 1793 1986 194 8 1 0.538 0.41 0.89 0.197 0.879 0.190 2.20 0.381 -0.007 1 10 CHIT0120 1844 1986 143 6 0 0.691 0.40 0.72 0.118 0.666 0.178 2.08 0.441 0.038 1 11 CHIT0130 1819 1986 168 7 2 0.458 0.29 0.64 0.107 0.872 0.138 1.83 0.259 0.007 1 12 CHIT0140 1848 1986 139 6 0 0.463 0.45 1.00 0.194 0.890 0.141 2.02 0.371 0.017 1 13 CHIT0150 1803 1986 184 7 1 0.458 0.32 1.00 0.207 0.930 0.165 2.44 0.396 -0.006 2 14 CHIT0160 1796 1986 191 8 0 0.551 0.37 0.82 0.146 0.820 0.187 2.15 0.366 0.000 1 15 CHIT0170 1813 1986 174 7 0 0.625 0.47 1.19 0.239 0.925 0.151 2.07 0.316 -0.004 3 16 CHITCH00 1616 1986 371 15 0 0.909 0.27 1.40 0.167 0.915 0.126 2.26 0.341 0.002 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3286 132 14 0.563 0.30 1.40 0.146 0.873 0.157 2.44 0.343 -0.002