Chronology file name : CO538.CRN Measurement file name : CO538.RWL Date checked : 29JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1660 Ending year : 1987 Principal investigators: DONALD A. GRAYBILL Site name : HORSETOOTH RESERVATION Site location : COLORADO, USA Species information : PIPO PONDEROSA PINE Latitude : 4032N Longitude : 10508W Elevation : 1706 M Series intercorrelation: 0.734 Avg mean sensitivity : 0.412 Avg standard deviation : 0.458 Avg autocorrelation : 0.754 Number dated series : 21 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 HTP011 1767 1987 .75 .72 .70 .76 .81 .81 .74 .71 .74 2 HTP012 1768 1987 .72 .75 .79 .80 .81 .80 .81 .82 .70 3 HTP021 1800 1987 .62 .73 .90 .91 .86 .89 .89 4 HTP022 1797 1987 .76 .76 .83 .84 .83 .79 .71 .70 5 HTP031 1800 1987 .63 .59 .56 .53 .55 .64 .67 6 HTP041 1730 1987 .79 .69 .49 .53 .55 .55 .55 .80 .86 .85 7 HTP042 1729 1987 .78 .73 .61 .70 .71 .70 .64 .76 .90 .83 8 HTP051 1695 1987 .56 .61 .79 .84 .62 .65 .76 .82 .83 .76 .79 .73 9 HTP052 1729 1987 .63 .68 .49 .54 .73 .77 .77 .83 .86 .83 10 HTP061 1796 1987 .59 .56 .56 .68 .69 .79 .74 .72 11 HTP062 1796 1987 .63 .61 .64 .68 .63 .72 .84 .90 12 HTP071 1692 1987 .55 .57 .73 .75 .57 .56 .69 .63 .67 .77 .78 .78 13 HTP072 1692 1987 .69 .74 .83 .82 .65 .71 .71 .57 .55 .74 .83 .86 14 HTP081 1660 1987 .70 .75 .76 .77 .80 .72 .70 .76 .84 .76 .73 .78 .73 15 HTP082 1660 1987 .71 .74 .70 .73 .82 .74 .68 .69 .80 .71 .71 .81 .76 16 HTP091 1710 1987 .72 .77 .85 .76 .75 .65 .60 .72 .84 .86 .80 17 HTP092 1709 1987 .67 .78 .80 .79 .76 .78 .85 .89 .90 .91 .86 18 HTP101 1671 1987 .48 .61 .59 .68 .84 .70 .66 .74 .85 .84 .78 .87 .86 19 HTP102 1675 1987 .75 .72 .79 .75 .58 .67 .72 .81 .83 .79 .81 .80 20 HTP111 1697 1930 .66 .67 .72 .74 .58 .74 .83 .76 .72 .75 21 HTP112 1693 1987 .58 .62 .72 .74 .76 .85 .82 .74 .76 .85 .87 .88 PART 7: DESCRIPTIVE STATISTICS: 22:07 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 HTP011 1767 1987 221 9 0 0.735 0.72 3.63 0.601 0.815 0.363 1.97 0.355 0.018 1 2 HTP012 1768 1987 220 9 0 0.753 0.85 2.91 0.619 0.826 0.349 1.94 0.288 -0.030 1 3 HTP021 1800 1987 188 7 0 0.824 0.89 2.87 0.536 0.760 0.335 1.90 0.280 0.008 1 4 HTP022 1797 1987 191 8 0 0.768 0.89 2.54 0.603 0.832 0.393 1.92 0.377 0.003 1 5 HTP031 1800 1987 188 7 0 0.598 0.25 0.84 0.179 0.427 0.841 1.92 0.320 -0.006 2 6 HTP041 1730 1987 258 10 0 0.668 0.55 3.33 0.476 0.736 0.521 1.95 0.302 -0.019 1 7 HTP042 1729 1987 259 10 0 0.728 0.52 3.83 0.515 0.741 0.499 1.92 0.277 -0.005 1 8 HTP051 1695 1987 293 12 0 0.742 0.72 2.31 0.363 0.663 0.350 1.94 0.253 -0.010 1 9 HTP052 1729 1987 259 10 0 0.727 0.79 2.47 0.446 0.747 0.357 1.93 0.287 0.001 1 10 HTP061 1796 1987 192 8 0 0.681 0.93 2.47 0.548 0.743 0.331 1.91 0.304 0.005 1 11 HTP062 1796 1987 192 8 0 0.719 0.87 2.69 0.545 0.742 0.366 2.05 0.337 -0.023 1 12 HTP071 1692 1987 296 12 0 0.676 0.56 2.13 0.421 0.822 0.402 1.96 0.299 -0.015 1 13 HTP072 1692 1987 296 12 0 0.720 0.62 2.52 0.475 0.859 0.379 1.84 0.242 -0.021 1 14 HTP081 1660 1987 328 13 0 0.745 0.51 3.83 0.548 0.877 0.401 1.86 0.198 -0.011 1 15 HTP082 1660 1987 328 13 0 0.735 0.52 2.71 0.384 0.808 0.386 1.88 0.234 -0.005 1 16 HTP091 1710 1987 278 11 0 0.747 0.59 2.02 0.343 0.591 0.464 1.98 0.310 -0.024 1 17 HTP092 1709 1987 279 11 0 0.820 0.44 1.08 0.203 0.419 0.422 1.95 0.297 -0.027 1 18 HTP101 1671 1987 317 13 0 0.734 0.60 2.67 0.395 0.829 0.323 1.90 0.255 0.002 1 19 HTP102 1675 1987 313 12 0 0.752 0.44 2.66 0.440 0.898 0.377 1.85 0.205 -0.011 1 20 HTP111 1697 1930 234 10 0 0.737 0.88 4.05 0.742 0.782 0.401 2.09 0.346 -0.019 1 21 HTP112 1693 1987 295 12 0 0.777 0.58 2.48 0.396 0.792 0.466 2.13 0.357 -0.013 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5425 217 0 0.734 0.64 4.05 0.458 0.754 0.412 2.13 0.286 -0.010