Chronology file name : NONE Measurement file name : AK22.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1828 Ending year : 1985 Principal investigators: KLAUS F. KAISER Site name : BOULDER CREEK, NEAR HAINES Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 5921N Longitude : 13546W Elevation : 45 M Series intercorrelation: 0.563 Avg mean sensitivity : 0.156 Avg standard deviation : 0.874 Avg autocorrelation : 0.864 Number dated series : 17 Segment length tested : 50 Number problem segments: 6 Pct problem segments : 6.74 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 5.88 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #17 BOULCH00 1925-1975 MISDATED HAS A MISSING TEN YEAR SEGMENT SHOULD BE CORRECTED STILL A 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 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BOUL0010 1870 1985 .36 .39 .45 .45 .58 2 BOUL0020 1828 1985 .64 .47 .73 .72 .73 .58 3 BOUL0030 1868 1985 .58 .63 .60 .77 .78 4 BOUL0040 1874 1985 .52 .56 .64 .62 .48 5 BOUL0050 1864 1985 .41 .44 .46 .45 .39 6 BOUL0060 1873 1985 .49 .54 .62 .63 .67 7 BOUL0070 1858 1985 .66 .68 .68 .72 .68 8 BOUL0080 1854 1985 .43 .59 .53 .67 .72 9 BOUL0090 1864 1985 .52 .57 .35 .48 .53 10 BOUL0100 1850 1985 .60 .57 .54 .73 .71 11 BOUL0110 1849 1985 .64 .65 .65 .59 .72 .71 12 BOUL0120 1858 1985 .45 .56 .58 .60 .68 13 BOUL0130 1858 1985 .37B .56 .57 .67 .77 14 BOUL0140 1857 1985 .55 .58 .29A .29A .30A 15 BOUL0150 1848 1985 .55 .56 .56 .56 .41 .36 16 BOUL0160 1866 1985 .55 .53 .48 .52 .59 17 BOULCH00 1828 1975 .84 .93 .98 .76 .15B .10B PART 7: DESCRIPTIVE STATISTICS: 23:10 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 BOUL0010 1870 1985 116 5 0 0.425 2.20 4.15 0.608 0.797 0.135 1.86 0.256 -0.025 1 2 BOUL0020 1828 1985 158 6 0 0.624 1.64 5.50 0.986 0.961 0.142 1.92 0.320 0.006 1 3 BOUL0030 1868 1985 118 5 0 0.664 1.84 4.87 0.831 0.864 0.171 2.16 0.366 -0.014 1 4 BOUL0040 1874 1985 112 5 0 0.541 2.18 3.64 0.611 0.748 0.154 2.01 0.426 -0.048 1 5 BOUL0050 1864 1985 122 5 0 0.412 2.52 5.07 0.866 0.760 0.169 1.98 0.387 -0.065 1 6 BOUL0060 1873 1985 113 5 0 0.596 2.12 4.63 0.951 0.885 0.169 2.01 0.368 0.006 2 7 BOUL0070 1858 1985 128 5 0 0.673 2.01 6.82 1.284 0.918 0.167 2.01 0.349 0.012 1 8 BOUL0080 1854 1985 132 5 0 0.547 2.29 4.33 1.147 0.948 0.155 2.06 0.298 -0.024 1 9 BOUL0090 1864 1985 122 5 0 0.523 2.03 6.10 1.168 0.946 0.148 2.16 0.399 0.012 2 10 BOUL0100 1850 1985 136 5 0 0.598 1.88 5.35 1.025 0.943 0.133 2.01 0.357 -0.001 1 11 BOUL0110 1849 1985 137 6 0 0.656 1.36 3.88 0.997 0.970 0.160 1.85 0.313 0.002 4 12 BOUL0120 1858 1985 128 5 0 0.581 1.98 3.25 0.462 0.735 0.146 1.92 0.398 -0.032 1 13 BOUL0130 1858 1985 128 5 1 0.568 2.05 4.61 0.706 0.749 0.172 2.10 0.396 0.013 2 14 BOUL0140 1857 1985 129 5 3 0.427 2.06 4.61 0.940 0.838 0.221 2.09 0.417 -0.075 1 15 BOUL0150 1848 1985 138 6 0 0.495 1.45 3.66 0.766 0.921 0.181 1.98 0.373 0.025 1 16 BOUL0160 1866 1985 120 5 0 0.567 2.18 3.52 0.485 0.675 0.150 2.08 0.408 0.005 1 17 BOULCH00 1828 1975 148 6 2 0.636 2.31 5.50 0.916 0.946 0.098 2.14 0.339 0.003 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2185 89 6 0.563 2.00 6.82 0.874 0.864 0.156 2.16 0.362 -0.011