Chronology file name : CA540.CRN Measurement file name : CA540.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1757 Ending year : 1988 Principal investigators: DAVID L. PETERSON Site name : SAN BERNARDINO MOUNTAINS Site location : CALIFORNIA, USA Species information : PSME BICONE DOUGLAS-FIR Latitude : 3401N Longitude : 11654W Elevation : 1550 M Series intercorrelation: 0.794 Avg mean sensitivity : 0.397 Avg standard deviation : 0.668 Avg autocorrelation : 0.623 Number dated series : 20 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 1.72 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 5.00 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #16 BC1116B 1898-1949 IS MISDATED STILL AN EXCELLENT DATA SET DESPITE MISDATE PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:23 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 BC1101B 1830 1988 .76 .77 .76 .72 .78 .81 2 BC1102B 1848 1988 .90 .90 .78 .64 .80 .82 3 BC1103A 1849 1988 .86 .89 .88 .79 .89 .89 4 BC1104A 1933 1988 .75 .81 5 BC1105A 1840 1988 .88 .76 .69 .79 .88 .88 6 BC1106B 1914 1988 .81 .86 .88 7 BC1107A 1928 1988 .83 .87 8 BC1108B 1904 1988 .85 .90 .87 9 BC1109B 1800 1988 .66 .63 .89 .88 .81 .90 .92 10 BC1110B 1797 1988 .61 .60 .83 .87 .83 .80 .90 .93 11 BC1111B 1800 1988 .91 .87 .89 .85 .67 .79 .86 12 BC1112A 1837 1988 .91 .93 .93 .90 .86 .87 13 BC1113B 1861 1988 .88 .83 .78 .85 .87 14 BC1114B 1817 1988 .89 .89 .83 .65 .63 .82 .83 15 BC1115A 1757 1988 .64 .68 .90 .91 .84 .81 .84 .73 .72 16 BC1116B 1898 1988 .28B .28B .55 .56 17 BC1117B 1758 1988 .64 .63 .82 .80 .70 .67 .54 .65 .77 18 BC1118B 1864 1988 .76 .80 .73 .74 .78 19 BC1119A 1796 1988 .87 .89 .84 .77 .79 .70 .74 .77 20 BC1120A 1819 1988 .92 .91 .87 .85 .86 .90 .89 PART 7: DESCRIPTIVE STATISTICS: 23:23 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 BC1101B 1830 1988 159 6 0 0.757 1.04 2.80 0.495 0.670 0.343 1.94 0.282 -0.021 1 2 BC1102B 1848 1988 141 6 0 0.809 1.45 3.49 0.773 0.774 0.304 1.80 0.284 -0.049 1 3 BC1103A 1849 1988 140 6 0 0.858 1.26 2.78 0.483 0.475 0.337 1.88 0.282 -0.036 1 4 BC1104A 1933 1988 56 2 0 0.765 2.62 4.35 0.962 0.366 0.367 1.79 0.325 -0.042 1 5 BC1105A 1840 1988 149 6 0 0.803 0.96 2.44 0.554 0.754 0.337 1.88 0.328 -0.037 1 6 BC1106B 1914 1988 75 3 0 0.831 1.78 3.53 0.636 0.455 0.336 1.85 0.276 -0.028 1 7 BC1107A 1928 1988 61 2 0 0.832 2.25 4.28 0.807 0.328 0.385 1.97 0.370 -0.048 1 8 BC1108B 1904 1988 85 3 0 0.860 1.95 6.14 1.034 0.476 0.436 2.08 0.455 0.003 1 9 BC1109B 1800 1988 189 7 0 0.826 1.22 4.23 0.776 0.576 0.435 2.04 0.353 -0.029 1 10 BC1110B 1797 1988 192 8 0 0.803 1.04 3.96 0.669 0.666 0.416 2.11 0.364 -0.044 1 11 BC1111B 1800 1988 189 7 0 0.843 1.01 4.39 0.729 0.794 0.332 2.30 0.383 0.022 1 12 BC1112A 1837 1988 152 6 0 0.900 1.49 5.34 0.901 0.560 0.492 2.20 0.316 -0.025 1 13 BC1113B 1861 1988 128 5 0 0.848 1.13 3.73 0.823 0.563 0.524 2.40 0.367 -0.043 1 14 BC1114B 1817 1988 172 7 0 0.805 1.32 7.26 1.100 0.642 0.508 1.98 0.349 -0.050 1 15 BC1115A 1757 1988 232 9 0 0.773 0.74 2.39 0.439 0.561 0.429 2.16 0.338 0.004 1 16 BC1116B 1898 1988 91 4 2 0.414 1.00 4.29 0.625 0.755 0.269 2.11 0.402 0.009 1 17 BC1117B 1758 1988 231 9 0 0.693 0.80 3.04 0.567 0.737 0.401 2.27 0.345 -0.004 1 18 BC1118B 1864 1988 125 5 0 0.752 0.97 5.60 0.718 0.753 0.361 2.03 0.275 -0.047 1 19 BC1119A 1796 1988 193 8 0 0.774 0.84 2.07 0.402 0.481 0.422 1.83 0.250 -0.026 2 20 BC1120A 1819 1988 170 7 0 0.885 0.89 2.31 0.465 0.618 0.382 1.98 0.308 -0.047 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2930 116 2 0.794 1.15 7.26 0.668 0.623 0.397 2.40 0.330 -0.025