Chronology file name : CO539.CRN Measurement file name : CO539.RWL Date checked : 29JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1548 Ending year : 1987 Principal investigators: DONALD A. GRAYBILL Site name : JEFFERSON COUNTY Site location : COLORADO, USA Species information : PIPO PONDEROSA PINE Latitude : 3941N Longitude : 10512W Elevation : 1965 M Series intercorrelation: 0.749 Avg mean sensitivity : 0.365 Avg standard deviation : 0.309 Avg autocorrelation : 0.679 Number dated series : 25 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: 22:07 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 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 JCO011 1564 1987 .76 .75 .77 .79 .79 .67 .73 .83 .79 .68 .65 .81 .89 .86 .73 .83 .85 2 JCO012 1557 1987 .62 .72 .72 .76 .77 .70 .69 .72 .71 .74 .73 .81 .89 .78 .73 .84 .86 3 JCO021 1698 1987 .67 .69 .76 .74 .64 .70 .84 .84 .80 .70 .69 .73 4 JCO022 1705 1987 .75 .80 .85 .81 .79 .84 .85 .84 .79 .80 .83 5 JCO031 1622 1987 .65 .67 .86 .84 .78 .79 .81 .76 .77 .84 .87 .72 .67 .89 .88 6 JCO032 1628 1850 .68 .85 .82 .80 .80 .84 .81 .77 .78 7 JCO033 1890 1987 .88 .85 .88 .82 8 JCO041 1793 1987 .48 .50 .57 .75 .75 .65 .71 .67 9 JCO042 1807 1965 .64 .73 .73 .68 .56 .54 10 JCO051 1808 1987 .84 .80 .78 .66 .61 .78 .83 11 JCO052 1806 1986 .79 .81 .79 .74 .67 .73 .84 12 JCO061 1579 1987 .65 .68 .78 .83 .77 .73 .73 .81 .78 .70 .74 .84 .82 .81 .82 .70 13 JCO062 1556 1987 .75 .81 .70 .74 .79 .69 .60 .69 .84 .79 .77 .77 .79 .76 .79 .87 .78 14 JCO071 1825 1987 .74 .76 .68 .67 .82 .77 15 JCO072 1785 1987 .40 .65 .65 .63 .48 .60 .84 .83 16 JCO081 1548 1987 .84 .83 .82 .71 .69 .73 .76 .73 .73 .81 .61 .57 .81 .84 .70 .76 .86 .81 17 JCO082 1549 1987 .77 .77 .81 .70 .73 .87 .83 .84 .82 .83 .74 .67 .78 .77 .70 .71 .84 .85 18 JCO091 1670 1987 .63 .68 .72 .76 .80 .77 .72 .75 .74 .67 .66 .74 .75 19 JCO092 1671 1987 .67 .72 .73 .74 .78 .82 .73 .75 .84 .77 .74 .79 .73 20 JCO101 1562 1987 .68 .77 .74 .60 .73 .86 .84 .79 .85 .76 .62 .61 .70 .80 .72 .74 .73 21 JCO102 1561 1987 .73 .74 .69 .63 .66 .76 .78 .73 .78 .77 .58 .68 .80 .72 .65 .76 .74 22 JCO111 1731 1987 .70 .81 .68 .65 .84 .79 .69 .80 .74 .65 23 JCO112 1736 1987 .68 .79 .72 .70 .82 .75 .62 .71 .77 .73 24 JCO121 1664 1979 .82 .79 .77 .81 .84 .78 .79 .88 .88 .88 .82 .87 .86 25 JCO122 1705 1987 .80 .89 .84 .74 .70 .81 .76 .68 .71 .85 .89 PART 7: DESCRIPTIVE STATISTICS: 22:07 Mon 29 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 JCO011 1564 1987 424 17 0 0.770 0.45 1.37 0.197 0.557 0.340 1.99 0.341 -0.015 1 2 JCO012 1557 1987 431 17 0 0.747 0.49 1.37 0.213 0.629 0.332 1.99 0.313 0.007 1 3 JCO021 1698 1987 290 12 0 0.735 0.70 2.04 0.352 0.719 0.280 1.90 0.275 -0.028 1 4 JCO022 1705 1987 283 11 0 0.803 0.69 1.91 0.323 0.683 0.280 1.88 0.241 -0.011 1 5 JCO031 1622 1987 366 15 0 0.792 0.75 3.29 0.502 0.799 0.386 2.04 0.342 -0.002 1 6 JCO032 1628 1850 223 9 0 0.784 0.65 2.02 0.378 0.768 0.344 1.86 0.243 -0.044 1 7 JCO033 1890 1987 98 4 0 0.842 0.25 0.44 0.093 0.055 0.491 1.75 0.317 -0.014 1 8 JCO041 1793 1987 195 8 0 0.645 0.84 2.33 0.522 0.769 0.361 1.88 0.313 0.000 1 9 JCO042 1807 1965 159 6 0 0.615 1.03 2.27 0.519 0.640 0.361 2.08 0.396 0.000 1 10 JCO051 1808 1987 180 7 0 0.758 0.72 2.15 0.400 0.678 0.411 2.01 0.356 -0.017 1 11 JCO052 1806 1986 181 7 0 0.757 0.74 2.90 0.419 0.661 0.410 1.93 0.373 -0.033 1 12 JCO061 1579 1987 409 16 0 0.752 0.56 2.69 0.393 0.838 0.338 2.05 0.313 -0.034 1 13 JCO062 1556 1987 432 17 0 0.754 0.61 2.65 0.358 0.714 0.367 2.22 0.303 -0.009 1 14 JCO071 1825 1987 163 6 0 0.745 0.63 1.60 0.319 0.790 0.281 1.90 0.326 -0.026 1 15 JCO072 1785 1987 203 8 0 0.626 0.98 3.01 0.616 0.866 0.270 1.97 0.333 -0.002 1 16 JCO081 1548 1987 440 18 0 0.746 0.34 1.37 0.201 0.649 0.410 1.90 0.236 -0.019 1 17 JCO082 1549 1987 439 18 0 0.775 0.38 1.59 0.228 0.693 0.429 1.96 0.282 -0.023 1 18 JCO091 1670 1987 318 13 0 0.719 0.65 1.57 0.249 0.719 0.236 1.99 0.283 -0.021 1 19 JCO092 1671 1987 317 13 0 0.751 0.57 1.44 0.199 0.601 0.249 1.84 0.229 -0.020 1 20 JCO101 1562 1987 426 17 0 0.734 0.33 1.73 0.203 0.606 0.518 2.02 0.341 -0.012 1 21 JCO102 1561 1987 427 17 0 0.724 0.54 1.90 0.304 0.647 0.450 2.04 0.266 -0.024 1 22 JCO111 1731 1987 257 10 0 0.727 0.48 1.35 0.259 0.714 0.373 2.21 0.356 -0.002 1 23 JCO112 1736 1987 252 10 0 0.719 0.52 1.61 0.287 0.719 0.350 2.27 0.335 0.020 1 24 JCO121 1664 1979 316 13 0 0.828 0.56 2.57 0.332 0.694 0.396 1.89 0.318 -0.023 2 25 JCO122 1705 1987 283 11 0 0.782 0.49 1.20 0.211 0.526 0.391 1.86 0.318 -0.044 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7512 300 0 0.749 0.57 3.29 0.309 0.679 0.365 2.27 0.305 -0.016