Chronology file name : NONE Measurement file name : CO554.RWL Date checked : 11MAR96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1565 Ending year : 1982 Principal investigators: K. BRIFFA AND F. H. SCHWEINGRBUER Site name : COTTONWOOD PASS Site location : COLORADO, USA Species information : PCEN ENGELMANN SPRUCE Latitude : 3840N Longitude : 10735W Elevation : 3700 M Series intercorrelation: 0.616 Avg mean sensitivity : 0.155 Avg standard deviation : 0.299 Avg autocorrelation : 0.851 Number dated series : 24 Segment length tested : 50 Number problem segments: 14 Pct problem segments : 5.04 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: #4 683022 1652-1724 IS POSSIBLY MISDATED #23 683131 HAS LOW CORRELATIONS EXCELLENT DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 11:10 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 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 683011 1657 1982 .62 .67 .61 .70 .72 .60 .74 .81 .77 .78 .69 .61 .62 2 683012 1647 1982 .54 .57 .71 .65 .75 .82 .72 .70 .76 .74 .79 .82 .76 .76 3 683021 1596 1982 .48 .42 .47 .56 .52 .48 .62 .70 .65 .66 .78 .74 .72 .77 .77 .73 4 683022 1652 1982 .25B .24B .75 .73 .71 .64 .74 .85 .65 .48 .48 .32A .26B 5 683031 1755 1982 .70 .62 .71 .73 .80 .78 .71 .75 .76 6 683032 1722 1982 .52 .57 .72 .60 .62 .70 .68 .71 .66 .53 .52 7 683041 1789 1982 .72 .66 .68 .68 .59 .53 .58 .53 8 683042 1830 1982 .74 .74 .70 .45 .49 .64 9 683051 1752 1982 .52 .61 .77 .79 .80 .73 .71 .69 .63 10 683052 1740 1982 .70 .66 .62 .77 .85 .84 .77 .78 .77 .70 11 683061 1695 1982 .57 .57 .70 .79 .73 .63 .65 .57 .51 .53 .57 .53 12 683062 1698 1982 .56 .53 .65 .78 .77 .82 .74 .60 .61 .22B .23B .59 13 683071 1727 1982 .39 .65 .39 .45 .68 .73 .61 .47 .56 .55 14 683072 1780 1982 .54 .56 .64 .61 .61 .61 .75 .73 15 683081 1565 1982 .37 .28A .48 .68 .61 .70 .75 .68 .72 .83 .79 .62 .50 .60 .74 .65 16 683082 1631 1982 .60 .60 .60 .59 .59 .59 .58 .75 .81 .59 .49 .67 .76 .66 17 683101 1725 1982 .65 .70 .68 .71 .71 .62 .65 .64 .51 .46 18 683102 1746 1982 .64 .65 .70 .71 .70 .60 .65 .65 .53 .46 19 683111 1706 1982 .70 .71 .80 .79 .74 .76 .76 .70 .56 .50 .38 20 683112 1684 1982 .64 .69 .75 .76 .63 .61 .66 .69 .66 .58 .64 .61 21 683121 1693 1982 .57 .70 .76 .76 .80 .73 .71 .55 .47 .53 .58 .54 22 683122 1697 1982 .70 .69 .70 .70 .73 .80 .78 .66 .67 .71 .71 .70 23 683131 1630 1982 .75 .52 .46 .29A .35 .47 .29B .44 .55 .48 .38 .16B .05B .08B 24 683132 1588 1982 .37 .34B .55 .52 .60 .62 .64 .61 .51 .46 .55 .49 .42 .37 .36 .23A PART 7: DESCRIPTIVE STATISTICS: 11:10 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 683011 1657 1982 326 13 0 0.688 0.82 2.51 0.365 0.907 0.161 1.99 0.310 -0.030 1 2 683012 1647 1982 336 14 0 0.709 0.75 1.70 0.284 0.858 0.164 2.18 0.352 -0.012 2 3 683021 1596 1982 387 16 0 0.625 0.71 1.56 0.324 0.909 0.171 2.04 0.259 0.005 2 4 683022 1652 1982 331 13 4 0.541 0.79 1.50 0.266 0.805 0.171 1.86 0.226 -0.014 1 5 683031 1755 1982 228 9 0 0.726 0.66 1.16 0.175 0.665 0.187 2.14 0.359 -0.022 1 6 683032 1722 1982 261 11 0 0.608 0.54 1.42 0.253 0.882 0.199 2.02 0.298 -0.013 1 7 683041 1789 1982 194 8 0 0.607 0.84 1.73 0.342 0.871 0.175 2.12 0.338 -0.028 2 8 683042 1830 1982 153 6 0 0.633 1.16 1.96 0.404 0.867 0.146 2.07 0.372 -0.090 1 9 683051 1752 1982 231 9 0 0.680 0.95 1.65 0.252 0.755 0.156 1.92 0.257 -0.019 1 10 683052 1740 1982 243 10 0 0.749 1.03 1.87 0.280 0.771 0.157 1.81 0.273 -0.007 2 11 683061 1695 1982 288 12 0 0.615 0.93 2.01 0.421 0.927 0.138 1.98 0.303 -0.016 2 12 683062 1698 1982 285 12 2 0.562 1.00 1.73 0.253 0.678 0.158 1.73 0.186 -0.015 2 13 683071 1727 1982 256 10 0 0.505 1.01 2.46 0.476 0.890 0.155 1.72 0.180 -0.034 1 14 683072 1780 1982 203 8 0 0.617 1.08 2.19 0.424 0.925 0.122 1.90 0.282 -0.047 1 15 683081 1565 1982 418 16 1 0.620 0.78 1.45 0.249 0.830 0.148 2.00 0.278 -0.012 3 16 683082 1631 1982 352 14 0 0.619 0.64 1.36 0.236 0.857 0.160 1.99 0.291 0.016 1 17 683101 1725 1982 258 10 0 0.631 1.03 1.91 0.318 0.858 0.134 1.98 0.314 -0.028 1 18 683102 1746 1982 237 10 0 0.615 0.95 1.71 0.259 0.850 0.125 2.09 0.326 0.002 1 19 683111 1706 1982 277 11 0 0.680 0.83 1.64 0.246 0.793 0.152 2.02 0.317 0.002 1 20 683112 1684 1982 299 12 0 0.664 0.62 1.37 0.245 0.888 0.153 1.95 0.278 -0.007 1 21 683121 1693 1982 290 12 0 0.643 0.73 1.73 0.324 0.889 0.162 2.10 0.371 -0.012 1 22 683122 1697 1982 286 12 0 0.711 0.88 2.01 0.326 0.878 0.142 2.04 0.336 -0.020 1 23 683131 1630 1982 353 14 5 0.387 0.73 1.38 0.277 0.882 0.144 1.89 0.271 -0.017 2 24 683132 1588 1982 395 16 2 0.483 0.58 1.94 0.286 0.912 0.146 2.01 0.305 -0.008 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6887 278 14 0.616 0.81 2.51 0.299 0.851 0.155 2.18 0.292 -0.015