Chronology file name : CO550.CRN Measurement file name : CO550.RWL Date checked : 29JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1682 Ending year : 1987 Principal investigators: DONALD A. GRAYBILL Site name : VAN BIBBER CREEK Site location : COLORADO, USA Species information : PIPO PONDEROSA PINE Latitude : 4022N Longitude : 10515W Elevation : 1920 M Series intercorrelation: 0.765 Avg mean sensitivity : 0.379 Avg standard deviation : 0.492 Avg autocorrelation : 0.725 Number dated series : 26 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 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: EXCELLENT HIGH QUALITY CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 22:15 Mon 29 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 VBP011 1793 1987 .68 .73 .62 .72 .76 .75 .87 .91 2 VBP012 1793 1987 .71 .76 .76 .84 .85 .85 .92 .92 3 VBP021 1727 1987 .62 .66 .52 .61 .76 .76 .72 .71 .82 .83 4 VBP022 1722 1987 .72 .70 .67 .46 .51 .82 .87 .82 .74 .82 .84 5 VBP031 1788 1987 .82 .83 .86 .78 .75 .81 .76 .74 6 VBP032 1788 1987 .84 .85 .80 .73 .69 .82 .86 .79 7 VBP041 1789 1987 .81 .86 .85 .80 .84 .85 .88 .90 8 VBP042 1789 1987 .72 .77 .86 .82 .71 .78 .88 .85 9 VBP051 1792 1987 .79 .83 .88 .86 .84 .79 .85 .87 10 VBP052 1792 1987 .77 .81 .85 .87 .85 .80 .87 .86 11 VBP061 1794 1987 .63 .65 .82 .82 .82 .81 .85 .83 12 VBP062 1794 1987 .76 .76 .83 .86 .86 .79 .71 .69 13 VBP071 1729 1987 .69 .62 .62 .74 .80 .83 .85 .85 .90 .88 14 VBP072 1733 1987 .79 .75 .72 .69 .74 .83 .76 .77 .87 .87 15 VBP081 1682 1987 .88 .76 .71 .75 .79 .82 .83 .81 .79 .83 .86 .84 16 VBP082 1682 1987 .90 .81 .74 .74 .73 .68 .70 .80 .82 .85 .87 .85 17 VBP091 1782 1987 .61 .72 .67 .66 .49 .56 .71 .70 18 VBP092 1783 1987 .75 .73 .74 .81 .74 .76 .84 .81 19 VBP101 1782 1987 .49 .63 .72 .84 .77 .70 .74 .77 20 VBP102 1782 1987 .50 .58 .68 .74 .73 .78 .86 .87 21 VBP111 1791 1987 .80 .78 .73 .83 .81 .76 .75 .64 22 VBP112 1792 1987 .82 .82 .82 .85 .79 .74 .78 .76 23 VBP121 1750 1987 .54 .64 .68 .77 .84 .84 .78 .75 .80 24 VBP122 1764 1987 .75 .65 .65 .71 .80 .83 .74 .70 .76 25 VBP131 1777 1987 .72 .83 .66 .68 .86 .84 .85 .80 26 VBP132 1778 1987 .74 .84 .69 .63 .66 .64 .73 .68 PART 7: DESCRIPTIVE STATISTICS: 22:15 Mon 29 JUL 1996 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 VBP011 1793 1987 195 8 0 0.766 0.72 2.28 0.446 0.683 0.378 1.98 0.341 0.004 1 2 VBP012 1793 1987 195 8 0 0.828 1.12 3.98 0.669 0.737 0.341 1.93 0.317 0.017 1 3 VBP021 1727 1987 261 10 0 0.699 0.78 1.98 0.367 0.632 0.346 2.18 0.341 -0.005 1 4 VBP022 1722 1987 266 11 0 0.737 0.52 1.76 0.282 0.715 0.391 1.95 0.308 -0.018 1 5 VBP031 1788 1987 200 8 0 0.793 1.23 3.18 0.649 0.679 0.370 1.95 0.346 -0.001 1 6 VBP032 1788 1987 200 8 0 0.798 0.72 2.15 0.363 0.669 0.380 1.90 0.306 0.006 1 7 VBP041 1789 1987 199 8 0 0.844 0.56 2.75 0.371 0.770 0.414 1.99 0.368 -0.021 1 8 VBP042 1789 1987 199 8 0 0.797 0.76 3.18 0.407 0.675 0.376 2.02 0.368 -0.026 1 9 VBP051 1792 1987 196 8 0 0.832 0.88 2.65 0.455 0.633 0.422 1.91 0.371 -0.032 2 10 VBP052 1792 1987 196 8 0 0.837 0.86 2.57 0.415 0.636 0.350 2.05 0.421 -0.020 2 11 VBP061 1794 1987 194 8 0 0.760 0.95 3.43 0.555 0.722 0.362 2.07 0.339 0.007 1 12 VBP062 1794 1987 194 8 0 0.772 0.82 2.59 0.469 0.657 0.396 1.99 0.353 0.000 1 13 VBP071 1729 1987 259 10 0 0.776 0.82 3.37 0.610 0.857 0.302 1.85 0.241 0.012 1 14 VBP072 1733 1987 255 10 0 0.786 0.76 3.10 0.576 0.877 0.325 1.92 0.289 -0.007 1 15 VBP081 1682 1987 306 12 0 0.797 0.68 2.23 0.398 0.686 0.426 1.96 0.304 -0.021 1 16 VBP082 1682 1987 306 12 0 0.796 0.96 3.21 0.698 0.782 0.434 1.96 0.341 -0.027 1 17 VBP091 1782 1987 206 8 0 0.632 0.80 3.25 0.609 0.749 0.442 1.80 0.223 -0.024 1 18 VBP092 1783 1987 205 8 0 0.775 0.76 1.79 0.366 0.599 0.390 1.89 0.288 0.007 1 19 VBP101 1782 1987 206 8 0 0.694 0.68 2.96 0.520 0.808 0.384 2.01 0.311 0.010 1 20 VBP102 1782 1987 206 8 0 0.716 0.97 3.34 0.621 0.765 0.353 1.99 0.346 -0.013 1 21 VBP111 1791 1987 197 8 0 0.746 0.57 1.89 0.484 0.875 0.424 1.99 0.358 0.013 1 22 VBP112 1792 1987 196 8 0 0.791 0.74 3.15 0.625 0.828 0.464 2.09 0.408 -0.030 1 23 VBP121 1750 1987 238 9 0 0.722 0.67 2.27 0.349 0.659 0.350 1.95 0.285 0.005 1 24 VBP122 1764 1987 224 9 0 0.743 1.03 3.33 0.544 0.637 0.331 2.09 0.283 -0.015 1 25 VBP131 1777 1987 211 8 0 0.768 1.11 2.95 0.592 0.733 0.362 2.00 0.358 -0.049 1 26 VBP132 1778 1987 210 8 0 0.691 0.65 2.75 0.359 0.756 0.347 1.94 0.316 -0.014 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5720 227 0 0.765 0.81 3.98 0.492 0.725 0.379 2.18 0.326 -0.010