Chronology file name : CO545.CRN Measurement file name : CO545.RWL Date checked : 29JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1322 Ending year : 1987 Principal investigators: DONALD A. GRAYBILL Site name : NIWOT RIDGE Site location : COLORADO, USA Species information : PIFL LIMBER PINE Latitude : 4003N Longitude : 10533W Elevation : 3169 M Series intercorrelation: 0.582 Avg mean sensitivity : 0.194 Avg standard deviation : 0.203 Avg autocorrelation : 0.846 Number dated series : 27 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 1.39 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: ALL FLAGS = LOW CORRELATIONS WITH MASTER EXCELLENT HIGH QUALITY CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 22:14 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 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 NIL011 1688 1987 .78 .79 .69 .73 .68 .58 .61 .71 .67 .37 2 NIL012 1680 1925 .78 .69 .60 .76 .81 .75 .63 .55 .62 .63 3 NIL021 1637 1987 .46 .68 .78 .67 .67 .67 .51 .54 .75 .77 .74 .69 4 NIL022 1698 1987 .40 .43 .49 .51 .47 .53 .65 .61 .53 .47 5 NIL041 1549 1987 .66 .66 .65 .76 .75 .75 .55 .45 .42 .41 .62 .66 .63 .51 .55 .51 6 NIL042 1575 1987 .50 .54 .77 .81 .76 .56 .23A .41 .57 .51 .52 .62 .57 .49 7 NIL061 1475 1925 .62 .65 .60 .58 .62 .66 .50 .35 .62 .73 .58 .60 .66 .61 .59 .70 .75 .75 8 NIL062 1431 1825 .26A .48 .43 .29A .61 .58 .55 .59 .58 .54 .60 .68 .63 .68 .42 .42 9 NIL071 1800 1987 .47 .68 .69 .61 .51 10 NIL072 1646 1987 .51 .52 .59 .62 .50 .57 .61 .71 .60 .54 .53 .36 11 NIL091 1500 1987 .49 .62 .56 .73 .74 .69 .80 .79 .56 .54 .66 .72 .68 .75 .79 .52 .36 12 NIL101 1640 1987 .56 .48 .64 .56 .41 .43 .58 .65 .55 .55 .73 .68 13 NIL102 1644 1987 .39 .35 .66 .66 .49 .54 .61 .59 .60 .61 .76 .73 14 NIL111 1541 1825 .61 .61 .52 .60 .58 .41 .54 .53 .50 .54 .42 .41 15 NIL112 1541 1775 .61 .64 .62 .75 .74 .59 .62 .64 .65 .64 16 NIL121 1645 1987 .70 .65 .65 .69 .64 .52 .43 .44 .50 .52 .56 .64 17 NIL122 1603 1987 .40 .42 .65 .70 .63 .61 .76 .71 .64 .70 .78 .74 .62 18 NIL132 1800 1975 .51 .35 .38 .66 .69 19 NIL141 1628 1987 .54 .64 .75 .79 .73 .62 .60 .74 .77 .61 .57 .63 20 NIL142 1322 1950 .25A .31A .44 .53 .54 .58 .54 .54 .66 .70 .76 .75 .68 .64 .62 .73 .76 .77 .65 .38 21 NIL151 1800 1987 .46 .68 .68 .64 .55 22 NIL152 1751 1987 .40 .49 .63 .74 .71 .63 .66 23 NIL162 1750 1950 .34 .66 .72 .59 .57 .58 .47 24 NIL171 1513 1950 .50 .59 .54 .56 .69 .66 .56 .65 .66 .68 .69 .59 .61 .71 .67 .58 .51 25 NIL172 1710 1987 .56 .47 .41 .48 .51 .62 .69 .62 .64 26 NIL181 1636 1987 .54 .61 .68 .71 .57 .48 .42 .57 .60 .61 .55 .45 27 NIL182 1558 1987 .54 .49 .74 .71 .58 .78 .66 .48 .54 .62 .70 .74 .75 .72 .67 PART 5: CORRELATION OF SERIES BY SEGMENTS: 22:14 Mon 29 JUL 1996 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 1925 1950 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 NIL011 1688 1987 .49 .57 3 NIL021 1637 1987 .51 .46 4 NIL022 1698 1987 .52 .51 5 NIL041 1549 1987 .63 .72 6 NIL042 1575 1987 .55 .52 9 NIL071 1800 1987 .55 .49 10 NIL072 1646 1987 .55 .53 11 NIL091 1500 1987 .57 .48 12 NIL101 1640 1987 .48 .41 13 NIL102 1644 1987 .68 .65 16 NIL121 1645 1987 .61 .45 17 NIL122 1603 1987 .53 .48 18 NIL132 1800 1975 .50 .46 19 NIL141 1628 1987 .67 .63 20 NIL142 1322 1950 .37 21 NIL151 1800 1987 .44 .41 22 NIL152 1751 1987 .76 .67 23 NIL162 1750 1950 .45 24 NIL171 1513 1950 .51 25 NIL172 1710 1987 .57 .47 26 NIL181 1636 1987 .51 .38 27 NIL182 1558 1987 .62 .54 PART 7: DESCRIPTIVE STATISTICS: 22:14 Mon 29 JUL 1996 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 NIL011 1688 1987 300 12 0 0.639 0.39 1.09 0.196 0.865 0.207 2.06 0.340 -0.028 2 2 NIL012 1680 1925 246 10 0 0.677 0.31 0.74 0.129 0.786 0.208 1.97 0.300 -0.011 2 3 NIL021 1637 1987 351 14 0 0.623 0.38 0.92 0.193 0.904 0.205 1.90 0.272 -0.023 1 4 NIL022 1698 1987 290 12 0 0.505 0.56 1.36 0.193 0.829 0.160 2.03 0.359 -0.034 1 5 NIL041 1549 1987 439 18 0 0.596 0.26 0.59 0.105 0.777 0.222 2.00 0.312 -0.010 1 6 NIL042 1575 1987 413 16 1 0.557 0.34 1.70 0.253 0.926 0.194 2.41 0.349 -0.015 2 7 NIL061 1475 1925 451 18 0 0.613 0.46 1.36 0.207 0.717 0.276 2.09 0.340 -0.012 1 8 NIL062 1431 1825 395 16 2 0.497 0.24 0.60 0.095 0.652 0.249 2.19 0.378 -0.011 1 9 NIL071 1800 1987 188 7 0 0.543 0.61 1.41 0.316 0.947 0.145 1.95 0.306 -0.029 2 10 NIL072 1646 1987 342 14 0 0.552 0.52 2.02 0.341 0.945 0.178 2.00 0.286 -0.023 3 11 NIL091 1500 1987 488 19 0 0.613 0.44 1.38 0.203 0.841 0.189 1.86 0.246 -0.040 1 12 NIL101 1640 1987 348 14 0 0.560 0.54 1.32 0.200 0.766 0.208 2.06 0.323 0.007 2 13 NIL102 1644 1987 344 14 0 0.596 0.58 1.40 0.260 0.829 0.238 1.95 0.263 -0.037 1 14 NIL111 1541 1825 285 12 0 0.510 0.32 1.14 0.151 0.889 0.189 1.96 0.313 -0.034 1 15 NIL112 1541 1775 235 10 0 0.639 0.39 0.89 0.212 0.916 0.174 2.09 0.343 -0.048 1 16 NIL121 1645 1987 343 14 0 0.555 0.47 1.49 0.292 0.937 0.167 1.98 0.286 -0.012 1 17 NIL122 1603 1987 385 15 0 0.622 0.37 0.92 0.159 0.889 0.165 2.14 0.338 0.010 2 18 NIL132 1800 1975 176 7 0 0.493 0.84 1.43 0.195 0.714 0.138 1.97 0.312 -0.008 1 19 NIL141 1628 1987 360 14 0 0.652 0.28 0.62 0.117 0.781 0.219 2.01 0.256 0.004 2 20 NIL142 1322 1950 629 21 2 0.561 0.25 1.84 0.204 0.926 0.224 2.01 0.265 -0.024 2 21 NIL151 1800 1987 188 7 0 0.523 0.98 1.76 0.312 0.857 0.135 1.89 0.310 0.011 1 22 NIL152 1751 1987 237 9 0 0.608 0.91 1.56 0.270 0.813 0.137 1.90 0.246 -0.025 1 23 NIL162 1750 1950 201 8 0 0.515 0.77 2.17 0.543 0.948 0.176 1.73 0.196 -0.039 2 24 NIL171 1513 1950 438 18 0 0.609 0.41 1.14 0.148 0.877 0.140 2.06 0.296 -0.008 2 25 NIL172 1710 1987 278 11 0 0.559 0.23 0.55 0.086 0.766 0.201 2.02 0.315 0.015 1 26 NIL181 1636 1987 352 14 0 0.546 0.40 1.07 0.172 0.831 0.174 2.04 0.309 -0.017 1 27 NIL182 1558 1987 430 17 0 0.645 0.35 2.03 0.191 0.906 0.171 1.94 0.316 -0.036 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 9132 361 5 0.582 0.43 2.17 0.203 0.846 0.194 2.41 0.303 -0.017