Chronology file name : NONE Measurement file name : CO553.RWL Date checked : 11MAR96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1530 Ending year : 1983 Principal investigators: K. BRIFFA AND F.H. SCHWEINGRUBER Site name : PIKE PEAKS Site location : COLORADO, USA Species information : PCEN ENGELMANN SPRUCE Latitude : 3920N Longitude : 10502W Elevation : 3600 M Series intercorrelation: 0.668 Avg mean sensitivity : 0.194 Avg standard deviation : 0.219 Avg autocorrelation : 0.815 Number dated series : 26 Segment length tested : 50 Number problem segments: 11 Pct problem segments : 3.54 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: #12 756062, #13 756071, #14 756072, #16 76\56082 HAVE LOW CORRELATIONS UP TO 1725 EXCELLENT HIGH QUALITY DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 11:09 Mon 11 MAR 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 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 756011 1551 1983 .53 .62 .75 .75 .64 .59 .66 .81 .76 .62 .61 .56 .68 .76 .75 .83 .83 2 756012 1563 1983 .60 .77 .79 .75 .72 .66 .70 .74 .72 .63 .54 .68 .79 .76 .73 .81 .85 3 756021 1677 1983 .45 .41 .55 .65 .75 .64 .52 .66 .78 .79 .84 .88 4 756022 1668 1983 .56 .58 .56 .62 .66 .64 .47 .52 .77 .78 .83 .83 .71 5 756031 1771 1983 .39 .42 .57 .75 .72 .69 .82 .77 .77 6 756032 1795 1983 .57 .62 .85 .68 .69 .87 .85 .84 7 756041 1530 1983 .47 .58 .63 .51 .51 .49 .46 .63 .76 .72 .66 .68 .58 .67 .73 .73 .73 8 756042 1576 1983 .84 .77 .32B .29B .62 .46 .52 .75 .62 .62 .71 .72 .77 .70 .69 .69 9 756051 1793 1983 .39 .42 .53 .63 .72 .65 .55 .47 10 756052 1789 1983 .41 .43 .62 .74 .59 .52 .54 .55 11 756061 1708 1983 .38 .38 .57 .58 .63 .83 .87 .84 .76 .70 .62 12 756062 1666 1983 .22A .19B .29A .60 .61 .57 .65 .80 .84 .79 .67 .54 .54 13 756071 1674 1983 .09B .13B .34 .52 .65 .73 .78 .74 .73 .84 .86 .77 .74 14 756072 1652 1983 .20A .29B .47 .63 .69 .56 .65 .77 .72 .70 .79 .79 .81 15 756081 1729 1983 .68 .63 .65 .76 .77 .78 .79 .80 .72 .69 16 756082 1646 1983 .10B .13B .44 .43 .60 .75 .65 .69 .80 .84 .78 .58 .61 .61 17 756091 1655 1983 .73 .69 .61 .62 .76 .81 .75 .75 .74 .80 .85 .83 .78 18 756092 1660 1983 .46 .50 .59 .75 .81 .66 .69 .76 .73 .77 .79 .82 .86 19 756101 1781 1983 .76 .71 .80 .79 .63 .66 .70 .74 20 756102 1704 1983 .65 .70 .68 .74 .73 .81 .83 .72 .73 .67 .68 21 756111 1748 1983 .45 .47 .67 .73 .80 .82 .78 .73 .53 .59 22 756112 1755 1983 .49 .61 .77 .87 .80 .73 .75 .73 .66 23 756121 1724 1983 .74 .74 .81 .81 .76 .67 .65 .79 .82 .76 .76 24 756122 1734 1983 .68 .69 .70 .80 .62 .65 .81 .82 .88 .81 25 756131 1644 1983 .63 .64 .53 .64 .74 .72 .71 .73 .80 .79 .74 .71 .76 .75 26 756132 1652 1983 .72 .52 .61 .71 .76 .76 .69 .83 .88 .84 .81 .72 .62 PART 7: DESCRIPTIVE STATISTICS: 11:09 Mon 11 MAR 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 756011 1551 1983 433 17 0 0.682 0.38 1.25 0.193 0.797 0.226 2.09 0.356 -0.022 1 2 756012 1563 1983 421 17 0 0.709 0.30 0.97 0.134 0.829 0.203 1.98 0.303 -0.002 1 3 756021 1677 1983 307 12 0 0.654 0.62 1.38 0.262 0.868 0.178 1.97 0.319 0.029 1 4 756022 1668 1983 316 13 0 0.635 0.46 1.09 0.222 0.851 0.225 1.87 0.231 0.004 1 5 756031 1771 1983 213 9 0 0.668 0.90 2.85 0.546 0.918 0.185 2.01 0.366 0.001 1 6 756032 1795 1983 189 8 0 0.744 0.76 2.43 0.366 0.855 0.192 2.07 0.374 -0.055 1 7 756041 1530 1983 454 17 0 0.616 0.37 1.08 0.189 0.848 0.226 2.16 0.316 0.014 1 8 756042 1576 1983 408 16 2 0.622 0.38 1.39 0.174 0.780 0.232 1.95 0.203 -0.014 1 9 756051 1793 1983 191 8 0 0.535 1.00 2.05 0.268 0.822 0.123 2.17 0.341 -0.034 1 10 756052 1789 1983 195 8 0 0.536 0.93 2.34 0.369 0.839 0.141 1.97 0.235 -0.006 1 11 756061 1708 1983 276 11 0 0.647 0.50 1.18 0.226 0.876 0.188 2.16 0.306 -0.013 1 12 756062 1666 1983 318 13 3 0.576 0.46 1.37 0.262 0.914 0.196 1.88 0.260 0.001 1 13 756071 1674 1983 310 13 2 0.639 0.52 1.13 0.184 0.710 0.216 2.11 0.369 -0.017 3 14 756072 1652 1983 332 13 2 0.612 0.57 1.41 0.230 0.812 0.208 2.02 0.281 0.003 3 15 756081 1729 1983 255 10 0 0.716 0.60 1.07 0.165 0.720 0.165 2.16 0.347 -0.012 1 16 756082 1646 1983 338 14 2 0.595 0.38 0.79 0.170 0.871 0.177 2.00 0.267 -0.013 2 17 756091 1655 1983 329 13 0 0.741 0.50 1.36 0.211 0.826 0.206 2.31 0.312 0.001 1 18 756092 1660 1983 324 13 0 0.719 0.57 1.48 0.325 0.912 0.209 1.96 0.281 0.000 1 19 756101 1781 1983 203 8 0 0.731 0.39 1.18 0.243 0.893 0.227 1.91 0.314 0.032 3 20 756102 1704 1983 280 11 0 0.712 0.61 1.67 0.253 0.803 0.185 2.03 0.344 -0.002 2 21 756111 1748 1983 236 10 0 0.659 0.69 1.20 0.171 0.729 0.137 1.86 0.241 -0.008 1 22 756112 1755 1983 229 9 0 0.702 0.67 1.20 0.160 0.729 0.138 2.05 0.340 -0.018 1 23 756121 1724 1983 260 11 0 0.747 0.54 0.96 0.138 0.732 0.152 2.08 0.311 0.007 3 24 756122 1734 1983 250 10 0 0.731 0.47 0.84 0.160 0.813 0.173 1.92 0.290 -0.011 3 25 756131 1644 1983 340 14 0 0.711 0.33 0.71 0.094 0.596 0.207 2.03 0.305 -0.005 2 26 756132 1652 1983 332 13 0 0.730 0.45 1.94 0.237 0.875 0.188 2.06 0.362 -0.013 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7739 311 11 0.668 0.52 2.85 0.219 0.815 0.194 2.31 0.305 -0.005