Chronology file name : CA548.CRN Measurement file name : CA548.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1800 Ending year : 1988 Principal investigators: DAVID L. PETERSON Site name : SAN BERNARDINO MOUNTAINS Site location : CALIFORNIA, USA Species information : PSME BIGCONE DOUGLAS-FIR Latitude : 3409N Longitude : 11701W Elevation : 1400 M Series intercorrelation: 0.775 Avg mean sensitivity : 0.434 Avg standard deviation : 0.528 Avg autocorrelation : 0.618 Number dated series : 20 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 1.61 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: #5 BC2805A 1900-1949 IS MISDATED DESPITE MISDATE, STILL AN EXCELLENT DATA SET 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 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BC2801B 1800 1988 .91 .85 .78 .54 .48 .76 .82 2 BC2802B 1800 1988 .93 .83 .83 .86 .76 .78 .79 3 BC2803A 1800 1988 .95 .92 .91 .84 .72 .83 .83 4 BC2804A 1800 1988 .90 .88 .90 .87 .87 .90 .88 5 BC2805A 1800 1988 .86 .79 .87 .70 .35B .56 .74 6 BC2806A 1851 1988 .65 .66 .71 .59 .37B 7 BC2807B 1850 1988 .80 .75 .66 .82 .84 8 BC2808B 1820 1988 .80 .79 .77 .80 .56 .63 .79 9 BC2809B 1850 1988 .83 .84 .64 .72 .83 10 BC2810A 1810 1988 .88 .83 .79 .78 .60 .40 .36 11 BC2811B 1800 1988 .89 .85 .75 .73 .75 .79 .77 12 BC2812B 1800 1988 .89 .81 .81 .66 .55 .70 .72 13 BC2813B 1800 1988 .77 .74 .57 .53 .62 .75 .73 14 BC2814A 1800 1988 .75 .74 .83 .82 .67 .71 .77 15 BC2815A 1818 1988 .75 .72 .78 .73 .62 .69 .73 16 BC2816B 1867 1988 .76 .84 .76 .84 .88 17 BC2817A 1888 1988 .85 .81 .88 .89 18 BC2818A 1891 1988 .77 .64 .78 .77 19 BC2819A 1869 1988 .81 .84 .74 .80 .85 20 BC2820A 1812 1988 .79 .84 .87 .87 .75 .84 .83 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 BC2801B 1800 1988 189 7 0 0.758 0.74 4.65 0.799 0.786 0.528 2.32 0.392 -0.059 1 2 BC2802B 1800 1988 189 7 0 0.842 1.01 6.68 0.951 0.812 0.405 1.99 0.375 -0.041 1 3 BC2803A 1800 1988 189 7 0 0.878 0.98 3.54 0.630 0.611 0.485 1.99 0.301 -0.019 2 4 BC2804A 1800 1988 189 7 0 0.882 0.86 3.18 0.504 0.668 0.402 1.91 0.281 0.001 2 5 BC2805A 1800 1988 189 7 1 0.742 0.80 3.37 0.571 0.606 0.532 2.02 0.333 -0.053 1 6 BC2806A 1851 1988 138 5 1 0.575 0.68 1.80 0.415 0.667 0.446 2.13 0.427 -0.010 2 7 BC2807B 1850 1988 139 5 0 0.782 0.96 3.92 0.631 0.515 0.484 2.31 0.436 -0.003 4 8 BC2808B 1820 1988 169 7 0 0.765 0.75 1.58 0.318 0.556 0.344 2.01 0.317 -0.043 5 9 BC2809B 1850 1988 139 5 0 0.796 0.80 1.55 0.335 0.600 0.323 1.91 0.348 -0.051 1 10 BC2810A 1810 1988 179 7 0 0.693 0.45 1.42 0.288 0.676 0.471 1.95 0.360 -0.039 1 11 BC2811B 1800 1988 189 7 0 0.798 0.39 1.25 0.232 0.584 0.467 1.87 0.292 -0.022 2 12 BC2812B 1800 1988 189 7 0 0.760 0.49 2.13 0.383 0.736 0.470 1.89 0.350 -0.065 1 13 BC2813B 1800 1988 189 7 0 0.684 0.56 1.52 0.285 0.593 0.381 2.04 0.373 -0.013 2 14 BC2814A 1800 1988 189 7 0 0.756 0.82 2.22 0.439 0.631 0.360 2.20 0.360 -0.004 1 15 BC2815A 1818 1988 171 7 0 0.716 0.98 2.89 0.494 0.704 0.304 2.01 0.329 0.010 1 16 BC2816B 1867 1988 122 5 0 0.812 0.78 2.87 0.474 0.508 0.469 2.12 0.410 0.017 2 17 BC2817A 1888 1988 101 4 0 0.871 1.83 4.64 0.839 0.483 0.357 1.92 0.371 -0.013 1 18 BC2818A 1891 1988 98 4 0 0.769 1.69 5.66 0.841 0.493 0.357 1.97 0.382 -0.032 1 19 BC2819A 1869 1988 120 5 0 0.815 1.02 4.54 0.760 0.311 0.553 2.28 0.423 0.001 2 20 BC2820A 1812 1988 177 7 0 0.820 1.12 3.36 0.641 0.524 0.499 1.94 0.417 -0.025 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3254 124 2 0.775 0.84 6.68 0.528 0.618 0.434 2.32 0.359 -0.025