Chronology file name : CA539.CRN Measurement file name : CA539.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1560 Ending year : 1988 Principal investigators: DAVID L. PETERSON Site name : SAN BERNARDINO MOUNTAINS Site location : CALIFORNIA, USA Species information : PSME BIGCONE DOUGLAS-FIR Latitude : 3359N Longitude : 11654W Elevation : 1600 M Series intercorrelation: 0.790 Avg mean sensitivity : 0.390 Avg standard deviation : 0.631 Avg autocorrelation : 0.634 Number dated series : 20 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 3.42 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: #18 BCO918A, #19 BCO919A BOTH HAVE LOW CORRELATIONS BEFORE 1725 EXCELLENT HIGH QUALITY CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:22 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BC0901B 1852 1988 .92 .89 .82 .90 .92 2 BC0902A 1870 1988 .74 .73 .63 .82 .86 3 BC0903B 1894 1988 .67 .61 .80 .86 4 BC0904B 1800 1988 .83 .87 .94 .90 .74 .85 .89 5 BC0905B 1886 1988 .77 .73 .84 .80 6 BC0906A 1851 1988 .52 .72 .72 .84 .85 7 BC0907A 1881 1988 .81 .81 .89 .90 8 BC0908B 1886 1988 .62 .59 .80 .90 9 BC0909A 1823 1988 .84 .83 .90 .90 .84 .91 .91 10 BC0910B 1806 1988 .88 .83 .88 .90 .87 .90 .89 11 BC0911A 1902 1988 .84 .89 .90 12 BC0912A 1925 1988 .90 .89 13 BC0913B 1912 1988 .87 .92 .90 14 BC0914B 1867 1988 .82 .81 .79 .72 .71 15 BC0915A 1819 1988 .65 .74 .88 .86 .72 .80 .86 16 BC0916B 1862 1988 .80 .67 .67 .83 .84 17 BC0917A 1831 1988 .80 .79 .67 .70 .89 .87 18 BC0918A 1560 1988 .19B .29B .53 .71 .85 .67 .61 .79 .77 .78 .64 .57 19 BC0919A 1692 1988 .19B .32B .77 .87 .88 .85 .83 .88 .86 .80 .83 .84 20 BC0920B 1740 1988 .78 .86 .92 .92 .88 .89 .87 .86 .83 .79 PART 7: DESCRIPTIVE STATISTICS: 23:22 Wed 17 JUL 1996 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 BC0901B 1852 1988 137 5 0 0.897 1.81 5.06 0.886 0.694 0.321 1.95 0.322 -0.049 1 2 BC0902A 1870 1988 119 5 0 0.789 2.23 8.44 1.255 0.565 0.416 2.12 0.406 -0.079 1 3 BC0903B 1894 1988 95 4 0 0.786 0.74 2.09 0.344 0.415 0.439 1.94 0.345 -0.060 1 4 BC0904B 1800 1988 189 7 0 0.862 1.29 4.39 0.801 0.744 0.340 1.91 0.284 -0.057 1 5 BC0905B 1886 1988 103 4 0 0.768 1.05 2.51 0.552 0.740 0.385 1.85 0.309 -0.030 2 6 BC0906A 1851 1988 138 5 0 0.704 0.95 3.10 0.508 0.631 0.373 2.19 0.403 -0.063 1 7 BC0907A 1881 1988 108 4 0 0.864 1.68 3.36 0.565 0.321 0.325 1.89 0.340 -0.030 1 8 BC0908B 1886 1988 103 4 0 0.775 1.73 3.80 0.771 0.700 0.310 2.04 0.382 -0.074 1 9 BC0909A 1823 1988 166 7 0 0.884 0.80 1.69 0.417 0.639 0.438 1.86 0.312 -0.049 3 10 BC0910B 1806 1988 183 7 0 0.889 1.37 5.60 1.216 0.761 0.514 1.82 0.293 -0.075 1 11 BC0911A 1902 1988 87 3 0 0.869 1.34 2.56 0.517 0.254 0.452 1.97 0.432 -0.034 1 12 BC0912A 1925 1988 64 2 0 0.897 1.91 3.52 0.657 0.344 0.369 1.92 0.342 -0.037 1 13 BC0913B 1912 1988 77 3 0 0.868 2.52 7.67 1.130 0.236 0.446 2.04 0.412 -0.048 1 14 BC0914B 1867 1988 122 5 0 0.771 2.07 5.17 0.859 0.746 0.247 2.02 0.335 -0.049 1 15 BC0915A 1819 1988 170 7 0 0.765 1.07 2.64 0.410 0.516 0.317 2.04 0.263 -0.001 2 16 BC0916B 1862 1988 127 5 0 0.765 1.39 3.78 0.752 0.828 0.290 1.94 0.327 0.008 1 17 BC0917A 1831 1988 158 6 0 0.780 1.68 3.67 0.816 0.762 0.280 1.91 0.367 -0.053 1 18 BC0918A 1560 1988 429 12 2 0.597 0.55 2.06 0.424 0.757 0.473 1.89 0.226 -0.009 1 19 BC0919A 1692 1988 297 12 2 0.724 0.72 2.05 0.359 0.541 0.406 1.88 0.315 -0.042 3 20 BC0920B 1740 1988 249 10 0 0.845 0.61 3.33 0.372 0.683 0.425 2.03 0.286 -0.043 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3121 117 4 0.790 1.19 8.44 0.631 0.634 0.390 2.19 0.316 -0.041