Chronology file name : NONE Measurement file name : AK21.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1672 Ending year : 1985 Principal investigators: KLAUS F. KAISER Site name : CORDOVA AIRPORT Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 6031N Longitude : 14528W Elevation : 14 M Series intercorrelation: 0.601 Avg mean sensitivity : 0.165 Avg standard deviation : 0.514 Avg autocorrelation : 0.919 Number dated series : 17 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 6.08 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: #4 CAIR0040, #10 CAIR0100, #15 CAIR0150 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CAIR0010 1810 1985 .35 .50 .65 .72 .64 .64 .69 2 CAIR0020 1849 1985 .40 .42 .50 .53 .63 .68 3 CAIR0030 1825 1985 .60 .62 .56 .34 .53 .75 4 CAIR0040 1782 1985 .09B .26B .37B .52 .45 .29B .42 .45 5 CAIR0050 1787 1985 .56 .52 .59 .68 .62 .62 .61 .64 6 CAIR0060 1778 1985 .56 .59 .47 .62 .81 .67 .61 .65 7 CAIR0070 1758 1985 .49 .51 .61 .50 .54 .69 .66 .52 .64 8 CAIR0080 1746 1985 .58 .64 .57 .56 .49 .50 .71 .80 .83 .81 9 CAIR0090 1810 1985 .56 .67 .73 .74 .78 .77 .82 10 CAIR0100 1692 1985 .29B .31A .30B .51 .70 .51 .51 .41 .36 .55 .67 .79 11 CAIR0110 1839 1985 .53 .52 .36 .51 .66 .70 12 CAIR0120 1779 1985 .54 .55 .55 .51 .45 .47 .60 .67 13 CAIR0130 1755 1985 .54 .73 .74 .65 .73 .72 .50 .48 .56 14 CAIR0140 1739 1985 .45 .47 .64 .57 .53 .54 .45 .50 .65 .70 15 CAIR0150 1792 1985 .36B .28B .52 .78 .73 .64 .57 .67 16 CAIR0160 1672 1985 .80 .78 .50 .58 .66 .64 .49 .51 .65 .66 .66 .56 .56 17 CAIRCH00 1672 1985 .90 .94 .87 .89 .94 .96 .95 .97 .98 .97 .97 .98 .98 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 CAIR0010 1810 1985 176 7 0 0.594 0.92 3.08 0.618 0.945 0.173 2.05 0.322 0.041 1 2 CAIR0020 1849 1985 137 6 0 0.521 1.20 4.42 0.917 0.926 0.210 2.14 0.416 -0.039 2 3 CAIR0030 1825 1985 161 6 0 0.581 0.88 2.63 0.720 0.962 0.207 2.16 0.367 0.078 1 4 CAIR0040 1782 1985 204 8 4 0.369 0.80 3.21 0.799 0.974 0.181 1.96 0.278 0.025 1 5 CAIR0050 1787 1985 199 8 0 0.598 0.83 2.23 0.524 0.962 0.143 2.02 0.311 0.005 1 6 CAIR0060 1778 1985 208 8 0 0.609 0.61 1.27 0.258 0.885 0.159 1.96 0.265 -0.023 1 7 CAIR0070 1758 1985 228 9 0 0.565 1.11 3.93 0.734 0.911 0.189 1.85 0.209 -0.045 1 8 CAIR0080 1746 1985 240 10 0 0.626 1.05 2.42 0.481 0.911 0.157 2.09 0.375 0.021 1 9 CAIR0090 1810 1985 176 7 0 0.698 1.05 3.36 0.609 0.954 0.137 2.09 0.325 -0.020 2 10 CAIR0100 1692 1985 294 12 3 0.491 0.68 2.62 0.551 0.966 0.169 1.92 0.276 -0.019 2 11 CAIR0110 1839 1985 147 6 0 0.567 0.76 2.59 0.461 0.920 0.163 1.93 0.287 -0.044 2 12 CAIR0120 1779 1985 207 8 0 0.545 0.57 1.76 0.282 0.890 0.176 2.09 0.307 -0.022 1 13 CAIR0130 1755 1985 231 9 0 0.626 0.83 1.90 0.299 0.706 0.200 1.99 0.328 0.006 2 14 CAIR0140 1739 1985 247 10 0 0.525 0.82 2.21 0.425 0.948 0.130 2.15 0.313 -0.026 1 15 CAIR0150 1792 1985 194 8 2 0.613 0.86 2.29 0.474 0.936 0.152 1.91 0.292 -0.008 1 16 CAIR0160 1672 1985 314 13 0 0.608 0.68 2.87 0.451 0.916 0.171 1.87 0.255 -0.013 2 17 CAIRCH00 1672 1985 314 13 0 0.937 0.85 2.43 0.427 0.928 0.131 1.92 0.290 -0.051 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3677 148 9 0.601 0.84 4.42 0.514 0.919 0.165 2.16 0.302 -0.010