Chronology file name : CA545.CRN Measurement file name : CA545.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1772 Ending year : 1988 Principal investigators: DAVID L. PETERSON Site name : SAN BERNARDINO MOUNTAINS Site location : CALIFORNIA, USA Species information : PSME BIGCONE DOUGLAS-FIR Latitude : 3410N Longitude : 11706W Elevation : 1500 M Series intercorrelation: 0.528 Avg mean sensitivity : 0.316 Avg standard deviation : 0.705 Avg autocorrelation : 0.745 Number dated series : 20 Segment length tested : 50 Number problem segments: 16 Pct problem segments : 17.20 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: #3 BC24031 SHOULD BE TRUNCATED AFTER 1970, #15 BC2415A SAME AFTER 1960 #16 BC2416A IS POSSIBLY MISDATED #18 BC2418A POSSIBLY BELONGS ELSEWHERE #4 BC2404A SHOULD BE DELETED DATA SET COULD BE IMPROVED CONSIDERABLY PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:24 Wed 17 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 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BC2401A 1898 1988 .77 .77 .77 .71 2 BC2402B 1906 1988 .79 .80 .57 3 BC2403A 1894 1988 .58 .67 .68 .53 4 BC2404A 1903 1988 .06B .33 .38 5 BC2405B 1909 1988 .58 .63 .76 6 BC2406A 1857 1988 .37 .60 .53 .50 .57 7 BC2407B 1924 1988 .39 .39 .34 8 BC2408A 1941 1988 .65 9 BC2409A 1893 1988 .71 .81 .77 .59 10 BC2410A 1893 1988 .70 .61 .58 .54 11 BC2411B 1800 1988 .60 .46 .57 .61 .55 .48 .57 12 BC2412B 1816 1988 .37 .29A .76 .80 .77 .71 .68 13 BC2413B 1885 1988 .73 .74 .62 .50 14 BC2414A 1850 1988 .77 .85 .77 .61 .64 15 BC2415A 1772 1988 .74 .76 .84 .81 .81 .61 .22B 16 BC2416A 1876 1988 .07B .28B .23B .12B 17 BC2417B 1873 1988 .53 .53 .46 .65 .58 18 BC2418A 1819 1988 .11B .02B .08B .05B-.15B-.04B .16B 19 BC2419B 1809 1988 .33 .39 .73 .66 .33A .31B .42 20 BC2420A 1844 1988 .74 .76 .72 .57 .64 .56 PART 7: DESCRIPTIVE STATISTICS: 23:24 Wed 17 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 BC2401A 1898 1988 91 4 0 0.734 1.82 4.12 0.808 0.646 0.341 2.28 0.378 -0.018 1 2 BC2402B 1906 1988 83 3 0 0.698 1.71 3.34 0.682 0.703 0.269 1.95 0.421 -0.037 1 3 BC2403A 1894 1988 95 4 0 0.555 0.37 0.92 0.227 0.807 0.406 1.82 0.248 -0.014 1 4 BC2404A 1903 1988 86 3 1 0.217 2.41 4.90 1.096 0.736 0.328 1.87 0.308 -0.081 1 5 BC2405B 1909 1988 80 3 0 0.651 2.05 4.86 1.125 0.898 0.191 2.41 0.402 0.069 1 6 BC2406A 1857 1988 132 5 0 0.492 0.52 1.23 0.268 0.694 0.368 1.88 0.302 -0.002 2 7 BC2407B 1924 1988 65 3 0 0.425 3.95 7.30 1.448 0.822 0.171 1.90 0.331 -0.018 1 8 BC2408A 1941 1988 48 1 0 0.648 3.54 7.75 0.979 0.290 0.215 2.18 0.431 -0.074 1 9 BC2409A 1893 1988 96 4 0 0.655 1.88 3.40 0.659 0.610 0.270 1.87 0.321 0.031 5 10 BC2410A 1893 1988 96 4 0 0.643 2.78 4.32 0.794 0.654 0.193 2.01 0.339 0.009 1 11 BC2411B 1800 1988 189 7 0 0.547 0.85 3.54 0.639 0.852 0.319 2.04 0.316 -0.030 1 12 BC2412B 1816 1988 173 7 1 0.622 0.52 1.13 0.185 0.572 0.260 1.85 0.299 -0.033 1 13 BC2413B 1885 1988 104 4 0 0.633 1.65 4.18 0.809 0.760 0.304 2.09 0.385 -0.018 1 14 BC2414A 1850 1988 139 5 0 0.730 1.51 3.44 0.587 0.522 0.299 2.00 0.286 -0.005 1 15 BC2415A 1772 1988 217 7 1 0.675 1.15 4.10 0.865 0.844 0.324 1.95 0.339 -0.033 1 16 BC2416A 1876 1988 113 4 4 0.176 1.43 4.36 0.853 0.827 0.318 2.13 0.322 0.061 1 17 BC2417B 1873 1988 116 5 0 0.548 1.44 4.23 1.024 0.897 0.398 1.98 0.315 0.011 1 18 BC2418A 1819 1988 170 7 7 0.059 0.88 3.39 0.515 0.723 0.341 2.12 0.298 -0.027 1 19 BC2419B 1809 1988 180 7 2 0.443 1.08 4.25 0.808 0.879 0.420 2.03 0.311 -0.049 1 20 BC2420A 1844 1988 145 6 0 0.595 1.09 3.34 0.671 0.826 0.345 1.92 0.249 -0.075 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2418 93 16 0.528 1.39 7.75 0.705 0.745 0.316 2.41 0.321 -0.019