Chronology file name : CA538.CRN Measurement file name : CA538.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1784 Ending year : 1988 Principal investigators: DAVID L. PETERSON Site name : SAN BERNARDINO MOUNTAINS Site location : CALIFORNIA, USA Species information : PSME BIGCONE DOUGLAS-FIR Latitude : 3413N Longitude : 11718W Elevation : 1300 M Series intercorrelation: 0.528 Avg mean sensitivity : 0.346 Avg standard deviation : 0.673 Avg autocorrelation : 0.714 Number dated series : 12 Segment length tested : 50 Number problem segments: 12 Pct problem segments : 17.65 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: #1 BC0401A 1870-1974 IS POSSIBLY MISDATED #5 BC0405A 1828-1899 HAS LOW CORRELATION #8 BCO408A SHOULD BE TRUNCATED AFTER 1962 DATA SET COULD BE IMPROVED 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 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BC0401A 1870 1988 .42B .28B .23B .31B .52 2 BC0402A 1851 1988 .63 .70 .75 .55 .59 3 BC0403B 1860 1988 .57 .65 .69 .58 .67 4 BC0404A 1822 1988 .26A .29A .57 .55 .52 .55 .47 5 BC0405A 1828 1988 .18B .42B .81 .78 .66 .63 6 BC0406A 1826 1988 .62 .70 .56 .58 .62 .39 7 BC0407A 1861 1988 .56 .66 .71 .57 .53 8 BC0408B 1822 1988 .31B .37 .59 .73 .26B-.13B .04B 9 BC0409B 1784 1988 .54 .53 .58 .59 .61 .55 .63 10 BC0410B 1840 1988 .34 .40 .57 .60 .35 .48 11 BC0411B 1864 1988 .73 .76 .76 .63 .68 12 BC0412B 1895 1988 .48 .56 .63 .75 PART 7: DESCRIPTIVE STATISTICS: 23:22 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 BC0401A 1870 1988 119 5 4 0.344 0.80 2.54 0.441 0.672 0.377 2.03 0.379 -0.069 1 2 BC0402A 1851 1988 138 5 0 0.649 0.84 2.19 0.525 0.725 0.463 2.08 0.393 -0.021 1 3 BC0403B 1860 1988 129 5 0 0.648 1.33 3.37 0.594 0.620 0.374 2.04 0.347 0.003 1 4 BC0404A 1822 1988 167 7 2 0.406 1.23 2.89 0.657 0.788 0.319 1.92 0.253 -0.015 1 5 BC0405A 1828 1988 161 6 2 0.524 1.60 4.35 0.649 0.532 0.296 2.13 0.392 0.000 1 6 BC0406A 1826 1988 163 6 0 0.545 1.55 3.45 0.639 0.645 0.302 2.06 0.312 -0.005 1 7 BC0407A 1861 1988 128 5 0 0.604 1.69 6.82 1.124 0.852 0.315 2.08 0.316 -0.014 1 8 BC0408B 1822 1988 167 7 4 0.321 0.77 2.97 0.685 0.885 0.472 2.10 0.347 0.017 1 9 BC0409B 1784 1988 205 7 0 0.579 1.38 4.15 0.911 0.859 0.328 2.23 0.400 -0.048 3 10 BC0410B 1840 1988 149 6 0 0.490 0.78 2.92 0.406 0.678 0.334 2.23 0.379 -0.047 1 11 BC0411B 1864 1988 125 5 0 0.721 1.81 4.79 0.720 0.567 0.305 2.18 0.392 -0.070 2 12 BC0412B 1895 1988 94 4 0 0.586 1.90 3.14 0.618 0.615 0.245 2.01 0.379 0.006 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1745 68 12 0.528 1.29 6.82 0.673 0.714 0.346 2.23 0.356 -0.022