Chronology file name : CA546.CRN Measurement file name : CA546.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1741 Ending year : 1988 Principal investigators: DAVID L. PETERSON Site name : SAN BERNARDINO MOUNTAINS Site location : CALIFORNIA, USA Species information : PSMA BIGCONE DOUGLAS-FIR Latitude : 3410N Longitude : 11704W Elevation : 1400 M Series intercorrelation: 0.679 Avg mean sensitivity : 0.371 Avg standard deviation : 0.506 Avg autocorrelation : 0.718 Number dated series : 20 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 2.17 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 CORRELATIONS WITH MASTER EXCELLENT HIGH QUALITY CHRONOLOGY 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 1750 1775 1800 1825 1850 1875 1900 1925 1950 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BC2501A 1847 1988 .81 .81 .75 .71 .77 .69 2 BC2502A 1798 1988 .67 .67 .80 .86 .85 .74 .71 .73 3 BC2503B 1856 1988 .75 .82 .61 .66 .63 4 BC2504B 1799 1988 .75 .76 .82 .82 .75 .61 .68 .77 5 BC2505B 1870 1988 .65 .76 .74 .68 .78 6 BC2506B 1887 1988 .65 .51 .76 .84 7 BC2507B 1806 1988 .51 .60 .75 .70 .58 .64 .76 8 BC2508A 1770 1988 .67 .62 .58 .59 .58 .59 .65 .50 .55 9 BC2509A 1800 1988 .65 .70 .60 .46 .43 .54 .11B 10 BC2510B 1800 1988 .71 .84 .65 .49 .45 .51 .64 11 BC2511B 1795 1988 .53 .55 .63 .51 .41 .41 .47 .32B 12 BC2512A 1741 1988 .62 .62 .68 .79 .73 .66 .76 .75 .78 13 BC2513B 1793 1988 .59 .63 .53 .35B .35 .66 .77 .77 14 BC2514A 1800 1988 .78 .81 .89 .86 .78 .81 .82 15 BC2515A 1801 1988 .78 .85 .86 .78 .66 .76 .79 16 BC2516B 1791 1988 .82 .64 .64 .71 .53 .41 .68 .71 17 BC2517A 1873 1988 .84 .84 .66 .80 .83 18 BC2518A 1808 1988 .83 .77 .83 .87 .71 .70 .75 19 BC2519A 1810 1988 .66 .67 .77 .72 .62 .74 .78 20 BC2520A 1843 1988 .92 .92 .84 .73 .79 .76 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 BC2501A 1847 1988 142 6 0 0.747 1.23 2.98 0.629 0.731 0.333 1.97 0.273 0.000 1 2 BC2502A 1798 1988 191 8 0 0.758 1.07 2.72 0.611 0.800 0.352 1.98 0.349 -0.032 2 3 BC2503B 1856 1988 133 5 0 0.703 0.99 2.63 0.526 0.784 0.360 2.03 0.389 -0.064 1 4 BC2504B 1799 1988 190 8 0 0.751 0.71 1.75 0.356 0.657 0.398 2.02 0.328 -0.059 1 5 BC2505B 1870 1988 119 5 0 0.698 0.83 4.50 0.636 0.543 0.443 2.22 0.302 0.025 1 6 BC2506B 1887 1988 102 4 0 0.725 2.24 6.61 1.387 0.666 0.414 2.00 0.357 -0.069 1 7 BC2507B 1806 1988 183 7 0 0.636 1.43 4.52 0.883 0.886 0.276 2.06 0.268 -0.042 2 8 BC2508A 1770 1988 219 9 0 0.573 0.56 3.78 0.573 0.820 0.401 2.07 0.336 -0.027 2 9 BC2509A 1800 1988 189 7 1 0.447 0.42 1.33 0.241 0.713 0.337 2.07 0.371 -0.058 2 10 BC2510B 1800 1988 189 7 0 0.618 0.59 2.00 0.416 0.851 0.326 2.03 0.282 -0.048 2 11 BC2511B 1795 1988 194 8 1 0.460 0.25 0.67 0.134 0.806 0.278 1.98 0.345 -0.040 1 12 BC2512A 1741 1988 248 9 0 0.699 0.89 3.66 0.609 0.760 0.379 2.13 0.290 -0.025 2 13 BC2513B 1793 1988 196 8 1 0.547 0.27 1.25 0.172 0.747 0.399 1.96 0.259 -0.048 1 14 BC2514A 1800 1988 189 7 0 0.819 0.56 1.50 0.271 0.593 0.346 2.07 0.310 -0.043 1 15 BC2515A 1801 1988 188 7 0 0.785 0.65 2.69 0.421 0.765 0.358 1.97 0.361 -0.036 1 16 BC2516B 1791 1988 198 8 0 0.648 0.23 1.36 0.153 0.483 0.473 2.08 0.373 0.018 1 17 BC2517A 1873 1988 116 5 0 0.806 1.53 7.19 0.979 0.589 0.383 1.97 0.356 -0.015 2 18 BC2518A 1808 1988 181 7 0 0.796 1.02 3.19 0.518 0.713 0.378 1.93 0.259 -0.059 1 19 BC2519A 1810 1988 179 7 0 0.706 0.89 2.26 0.553 0.690 0.423 2.13 0.327 -0.022 2 20 BC2520A 1843 1988 146 6 0 0.826 1.35 4.97 0.796 0.600 0.398 2.22 0.328 -0.058 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3492 138 3 0.679 0.82 7.19 0.506 0.718 0.371 2.22 0.321 -0.035