Chronology file name : CA551.CRN Measurement file name : CA551.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1781 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 : 11716W Elevation : 1700 M Series intercorrelation: 0.570 Avg mean sensitivity : 0.268 Avg standard deviation : 0.641 Avg autocorrelation : 0.759 Number dated series : 15 Segment length tested : 50 Number problem segments: 10 Pct problem segments : 12.50 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 6.67 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #2 BC3202B IS MISDATED #6 BC3206A 836-1924 HAS LOW CORRELATION DATA SET COULD BE IMPROVED, BUT STILL OK PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:25 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 1775 1800 1825 1850 1875 1900 1925 1950 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BC3201A 1845 1988 .60 .61 .56 .62 .72 .69 2 BC3202B 1892 1988 -.01B .09B .06B .25B 3 BC3203A 1894 1988 .63 .70 .79 .77 4 BC3204A 1856 1988 .52 .57 .72 .82 .71 5 BC3205B 1820 1988 .62 .51 .48 .64 .73 .68 .72 6 BC3206A 1836 1988 .31A .31A .37B .52 .71 .73 7 BC3207B 1825 1988 .47B .52 .65 .75 .67 .63 8 BC3208A 1920 1988 .66 .67 .65 9 BC3209B 1912 1988 .49 .53 .67 10 BC3210B 1786 1988 .59 .68 .55 .51 .64 .77 .71 .57 11 BC3211B 1875 1988 .27A .73 .73 .71 12 BC3212A 1882 1988 .56 .71 .75 .68 13 BC3213A 1876 1988 .36 .65 .65 .68 14 BC3214A 1781 1988 .51 .63 .57 .60 .54 .59 .63 .49 15 BC3215A 1786 1988 .51 .55 .27A .37 .54 .70 .69 .59 PART 7: DESCRIPTIVE STATISTICS: 23:25 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 BC3201A 1845 1988 144 6 0 0.646 1.85 4.18 0.764 0.791 0.220 2.14 0.356 0.015 2 2 BC3202B 1892 1988 97 4 4 0.099 0.93 2.16 0.405 0.674 0.265 2.07 0.402 -0.098 1 3 BC3203A 1894 1988 95 4 0 0.680 0.87 2.86 0.481 0.689 0.308 2.08 0.399 0.015 1 4 BC3204A 1856 1988 133 5 0 0.654 1.04 3.32 0.510 0.693 0.264 2.13 0.373 0.027 1 5 BC3205B 1820 1988 169 7 0 0.645 1.56 4.54 1.061 0.836 0.258 2.03 0.370 -0.035 1 6 BC3206A 1836 1988 153 6 3 0.506 1.32 3.00 0.518 0.649 0.231 2.03 0.362 -0.018 1 7 BC3207B 1825 1988 164 6 1 0.605 0.88 2.33 0.497 0.866 0.259 2.02 0.335 0.024 1 8 BC3208A 1920 1988 69 3 0 0.661 0.87 2.28 0.436 0.768 0.266 2.20 0.383 0.058 1 9 BC3209B 1912 1988 77 3 0 0.526 1.53 3.67 0.880 0.867 0.247 1.92 0.322 0.014 1 10 BC3210B 1786 1988 203 8 0 0.632 1.04 3.00 0.458 0.667 0.256 2.09 0.289 -0.018 1 11 BC3211B 1875 1988 114 4 1 0.543 1.70 4.17 0.983 0.800 0.322 1.95 0.246 -0.006 1 12 BC3212A 1882 1988 107 4 0 0.652 1.30 2.61 0.399 0.447 0.239 1.96 0.331 0.002 1 13 BC3213A 1876 1988 113 4 0 0.571 1.16 2.54 0.457 0.740 0.249 1.88 0.318 -0.025 1 14 BC3214A 1781 1988 208 8 0 0.535 1.18 4.40 0.856 0.876 0.331 2.15 0.292 0.037 1 15 BC3215A 1786 1988 203 8 1 0.529 0.99 3.36 0.666 0.861 0.281 2.07 0.315 -0.014 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2049 80 10 0.570 1.21 4.54 0.641 0.759 0.268 2.20 0.334 -0.002