NOTE: All statistics reported below describe the raw measurement file, not the chronology itself. This file should be viewed with a non-proportional font. Chronology file name : CO083.CRN Measurement file name : CO083.RWL Date checked : 14MAR95 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1539 Ending year : 1979 Principal investigators: K. HANSEN-BRISTOW Site name : NIWOT RIDGE Site location : COLORADO, USA Species information : PCEN ENGELMANN SPRUCE Latitude : 4004N Longitude : 10535W Elevation : 3700 M Series intercorrelation: 0.477 Avg mean sensitivity : 0.203 Avg standard deviation : 0.286 Avg autocorrelation : 0.780 Number dated series : 50 Segment length tested : 50 Number problem segments: 77 Pct problem segments : 19.95 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 2.00 Comments: #8 NWR051 1735-1849 IS MISDATED #18 NWR141 PROBABLY BELONGS ELSEWHERE, #27 NWR221, #49 NWR50A ALL HAVE LOW CORRELATIONS AND SHOULD BE DELETED MANY INNER AND OUTER RING SEGMENTS SHOULD BE DELETED - DATING SHOULD BE MUCH BETTER FOR PCEN - MANY FLAGS AFTER 1900, BUT STILL USEFUL 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 15:55 Tue 14 MAR 1995 Page 2 ----------------------------------------------------------------------------------------------------------------------------------- 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 Interval 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 1 NWR011 1618 1979 .45 .49 .48 .50 .48 .69 .69 .47 .50 .58 .70 .64 .43 .48 .49 - - - - - + 2 NWR012 1632 1979 - .58 .48 .63 .77 .68 .66 .59 .48 .58 .61 .56 .56 .53 .51 - - - - - + 3 NWR013 1539 1979 .67 .69 .55 .60 .41 .50 .63 .50 .61 .63 .58 .63 .59 .54 .59 - - - - - + 4 NWR014 1632 1968 - .65 .59 .69 .74 .73 .61 .45 .57 .67 .76 .59 .46 .45 - - - - - - + 5 NWR021 1649 1979 - .37 .43 .45 .48 .81 .84 .67 .55 .54 .63 .62 .44 .52 .57 - - - - - + 6 NWR022 1619 1979 .27 .36 .46 .45 .52 .74 .77 .54 .47 .56 .64 .69 .58 .54 .54 - - - - - + ___A 7 NWR031 1689 1979 - - - .22 .11 .42 .63 .62 .69 .74 .71 .61 .40 .38 .39 - - - - - + ___B ___B 8 NWR051 1735 1979 - - - - - .02 .02 .00 .12 .51 .74 .60 .26 .40 .40 - - - - - + ___B ___B ___B ___B ___B 9 NWR061 1801 1979 - - - - - - - - .49 .60 .69 .59 .43 .43 .49 - - - - - + 10 NWR072 1689 1979 - - - .46 .36 .51 .62 .57 .53 .55 .56 .44 .29 .37 .33 - - - - - + ___A 11 NWR091 1769 1979 - - - - - - .47 .38 .53 .65 .71 .72 .49 .25 .19 - - - - - + ___A ___A 12 NWR092 1801 1955 - - - - - - - - .41 .45 .56 .59 .33 .33 - - - - - - + ___A ___A 13 NWR101 1924 1979 - - - - - - - - - - - - .45 .45 .56 - - - - - + 14 NWR111 1758 1979 - - - - - - .25 .25 .31 .47 .39 .49 .10 -.27 -.25 - - - - - + ___A ___A ___A ___B ___B ___B 15 NWR112 1693 1979 - - - .29 .37 .48 .50 .39 .29 .59 .68 .54 .43 .25 .21 - - - - - + ___A ___A ___A ___B 16 NWR121 1848 1979 - - - - - - - - - .66 .68 .57 .30 .41 .40 - - - - - + ___A 17 NWR131 1841 1979 - - - - - - - - - .57 .62 .45 .20 .49 .46 - - - - - + ___A 18 NWR141 1755 1979 - - - - - - .13 .22 .22 .16 .20 .25 .03 .23 .20 - - - - - + ___B ___B ___A ___B ___B ___B ___B ___A ___A 19 NWR151 1726 1979 - - - - - .67 .54 .35 .49 .62 .67 .57 .42 .62 .64 - - - - - + ___B 20 NWR161 1670 1979 - - .25 .20 .45 .69 .72 .54 .62 .72 .64 .57 .37 .29 .27 - - - - - + ___B ___B ___A ___A 21 NWR171 1930 1979 - - - - - - - - - - - - - .43 - - - - - - + 22 NWR181 1859 1979 - - - - - - - - - - .70 .65 .37 .39 .33 - - - - - + ___B 23 NWR191 1768 1979 - - - - - - .28 .49 .42 .40 .42 .45 .36 .56 .59 - - - - - + ___A 24 NWR201 1747 1979 - - - - - .60 .62 .57 .50 .55 .68 .59 .30 .42 .40 - - - - - + ___A 25 NWR211 1896 1979 - - - - - - - - - - - .38 .50 .58 .60 - - - - - + 26 NWR212 1868 1976 - - - - - - - - - - .48 .45 .66 .63 .64 - - - - - + 27 NWR221 1869 1979 - - - - - - - - - - .44 .40 .25 .08 .05 - - - - - + ___B ___B ___B 28 NWR231 1889 1979 - - - - - - - - - - - .57 .62 .63 .63 - - - - - + 29 NWR251 1902 1973 - - - - - - - - - - - - .19 .43 - - - - - - + ___B 30 NWR261 1819 1979 - - - - - - - - .44 .56 .71 .58 .39 .60 .59 - - - - - + 31 NWR271 1699 1979 - - - .50 .48 .53 .71 .61 .41 .55 .52 .33 .27 .50 .52 - - - - - + ___B ___B 32 NWR272 1701 1932 - - - - .23 .59 .77 .69 .54 .55 .51 .21 .03 - - - - - - - + ___A ___B ___B 33 NWR282 1773 1979 - - - - - - .39 .42 .65 .67 .74 .66 .52 .22 .30 - - - - - + ___B ___A 34 NWR291 1728 1979 - - - - - .15 .35 .51 .47 .58 .64 .54 .45 .28 .26 - - - - - + ___B ___B ___B 35 NWR301 1831 1979 - - - - - - - - - .68 .79 .64 .53 .52 .51 - - - - - + 36 NWR302 1796 1979 - - - - - - - .41 .48 .73 .77 .38 .15 .59 .62 - - - - - + ___B 37 NWR41A 1876 1978 - - - - - - - - - - - .49 .37 .43 .46 - - - - - + 38 NWR41B 1879 1979 - - - - - - - - - - - .50 .31 .48 .51 - - - - - + ___A 39 NWR41C 1904 1979 - - - - - - - - - - - - .48 .51 .54 - - - - - + 40 NWR42A 1811 1979 - - - - - - - - .44 .45 .39 .12 .08 .50 .59 - - - - - + ___B ___B 41 NWR42B 1804 1979 - - - - - - - - -.02 .20 .38 .36 .18 .48 .52 - - - - - + ___B ___B ___B 42 NWR43A 1880 1979 - - - - - - - - - - - .30 .30 .41 .42 - - - - - + ___A ___A 43 NWR44A 1927 1979 - - - - - - - - - - - - - .55 .55 - - - - - + 44 NWR44B 1915 1978 - - - - - - - - - - - - .49 .67 .68 - - - - - + 45 NWR45A 1788 1979 - - - - - - - .28 .32 .48 .59 .62 .35 .31 .30 - - - - - + ___A ___A ___A ___B 46 NWR45B 1790 1979 - - - - - - - .45 .51 .61 .65 .53 .25 .39 .35 - - - - - + ___A ___B 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 15:55 Tue 14 MAR 1995 Page 4 ----------------------------------------------------------------------------------------------------------------------------------- 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 Interval 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 47 NWR49A 1825 1979 - - - - - - - - - .20 .43 .52 .44 .65 .65 - - - - - + ___B 48 NWR49B 1795 1979 - - - - - - - .19 .28 .39 .40 .40 .35 .50 .55 - - - - - + ___B ___B 49 NWR50A 1918 1979 - - - - - - - - - - - - .19 .30 .32 - - - - - + ___B ___B ___A 50 NWR50B 1910 1979 - - - - - - - - - - - - .33 .53 .55 - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 15:55 Tue 14 MAR 1995 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 NWR011 1618 1979 362 15 0 0.541 0.62 1.56 0.238 0.732 0.241 1.96 0.267 0.020 2 2 NWR012 1632 1979 348 14 0 0.590 0.70 1.59 0.301 0.823 0.212 1.95 0.289 -0.006 1 3 NWR013 1539 1979 441 15 0 0.584 0.53 1.15 0.199 0.750 0.216 2.02 0.326 -0.001 1 4 NWR014 1632 1968 337 13 0 0.630 0.62 1.64 0.277 0.804 0.233 1.92 0.286 -0.011 1 5 NWR021 1649 1979 331 14 0 0.574 0.53 1.09 0.198 0.798 0.192 2.01 0.343 -0.024 1 6 NWR022 1619 1979 361 15 1 0.530 0.55 1.33 0.215 0.819 0.176 2.11 0.336 -0.003 1 7 NWR031 1689 1979 291 12 2 0.495 0.71 2.71 0.271 0.790 0.184 2.12 0.354 -0.006 1 8 NWR051 1735 1979 245 10 5 0.297 0.51 1.96 0.364 0.905 0.256 2.01 0.234 -0.039 1 9 NWR061 1801 1979 179 7 0 0.523 0.67 1.67 0.287 0.841 0.201 2.13 0.412 0.003 1 10 NWR072 1689 1979 291 12 1 0.477 0.51 0.85 0.139 0.672 0.180 1.92 0.278 -0.033 2 11 NWR091 1769 1979 211 9 2 0.507 1.14 3.03 0.609 0.931 0.171 1.95 0.371 0.011 1 12 NWR092 1801 1955 155 6 2 0.437 0.67 1.99 0.261 0.744 0.201 2.17 0.343 0.031 1 13 NWR101 1924 1979 56 3 0 0.479 1.84 2.72 0.423 0.690 0.137 2.12 0.422 -0.059 1 14 NWR111 1758 1979 222 9 6 0.179 0.79 2.25 0.292 0.470 0.237 2.23 0.261 -0.003 1 15 NWR112 1693 1979 287 12 4 0.430 0.29 0.65 0.115 0.621 0.268 2.06 0.325 -0.008 2 16 NWR121 1848 1979 132 6 1 0.518 0.23 0.81 0.118 0.609 0.339 2.11 0.461 0.040 1 17 NWR131 1841 1979 139 6 1 0.476 0.56 1.29 0.308 0.784 0.274 2.24 0.352 0.012 1 18 NWR141 1755 1979 225 9 9 0.186 0.43 1.11 0.169 0.577 0.279 1.98 0.281 -0.017 2 19 NWR151 1726 1979 254 10 1 0.569 0.62 1.47 0.286 0.859 0.184 2.11 0.372 -0.002 1 20 NWR161 1670 1979 310 13 4 0.495 0.52 1.57 0.314 0.899 0.199 2.05 0.319 0.010 3 21 NWR171 1930 1979 50 1 0 0.432 1.40 2.66 0.498 0.786 0.194 1.86 0.395 -0.005 2 22 NWR181 1859 1979 121 5 1 0.523 0.35 0.77 0.175 0.886 0.238 1.98 0.382 -0.056 1 23 NWR191 1768 1979 212 9 1 0.421 0.64 1.42 0.272 0.853 0.176 2.09 0.341 0.016 1 24 NWR201 1747 1979 233 10 1 0.531 0.65 1.38 0.208 0.739 0.177 2.14 0.350 -0.010 1 25 NWR211 1896 1979 84 4 0 0.550 1.58 4.29 0.494 0.552 0.176 1.91 0.298 -0.029 1 26 NWR212 1868 1976 109 5 0 0.549 1.16 2.28 0.484 0.909 0.162 1.80 0.302 -0.003 1 27 NWR221 1869 1979 111 5 3 0.234 1.20 2.39 0.455 0.820 0.179 2.02 0.310 -0.027 1 28 NWR231 1889 1979 91 4 0 0.603 1.86 3.00 0.544 0.807 0.146 1.94 0.358 -0.037 1 29 NWR251 1902 1973 72 2 1 0.348 1.22 2.28 0.455 0.894 0.161 2.11 0.355 0.060 1 30 NWR261 1819 1979 161 7 0 0.567 1.01 2.14 0.405 0.857 0.181 1.94 0.269 -0.018 1 31 NWR271 1699 1979 281 12 2 0.502 0.60 1.56 0.247 0.814 0.202 1.99 0.298 -0.016 2 32 NWR272 1701 1932 232 9 3 0.418 0.49 1.13 0.150 0.545 0.227 1.96 0.326 -0.014 1 33 NWR282 1773 1979 207 9 2 0.503 0.67 1.46 0.259 0.858 0.157 1.87 0.284 -0.054 1 34 NWR291 1728 1979 252 10 3 0.401 0.48 1.59 0.219 0.814 0.199 2.12 0.319 -0.011 1 35 NWR301 1831 1979 149 6 0 0.615 0.94 2.37 0.403 0.866 0.186 1.95 0.305 -0.001 1 36 NWR302 1796 1979 184 8 1 0.530 0.91 2.07 0.338 0.783 0.192 2.18 0.418 0.015 2 37 NWR41A 1876 1978 103 4 0 0.472 1.53 2.68 0.482 0.762 0.171 1.86 0.342 0.006 2 38 NWR41B 1879 1979 101 4 1 0.500 1.11 1.80 0.269 0.656 0.167 2.03 0.401 0.047 1 39 NWR41C 1904 1979 76 3 0 0.569 1.34 2.16 0.342 0.574 0.188 2.09 0.392 0.002 2 40 NWR42A 1811 1979 169 7 2 0.373 0.83 2.23 0.371 0.863 0.164 1.96 0.298 0.034 1 41 NWR42B 1804 1979 176 7 3 0.314 0.55 1.77 0.362 0.922 0.209 2.01 0.352 -0.018 2 42 NWR43A 1880 1979 100 4 2 0.355 1.04 2.78 0.650 0.854 0.322 1.97 0.408 0.015 1 43 NWR44A 1927 1979 53 2 0 0.552 1.52 2.46 0.590 0.824 0.182 1.98 0.457 0.030 1 44 NWR44B 1915 1978 64 3 0 0.626 1.67 2.56 0.355 0.625 0.139 2.16 0.414 0.008 1 45 NWR45A 1788 1979 192 8 4 0.422 0.51 1.37 0.260 0.835 0.199 2.29 0.383 0.024 1 46 NWR45B 1790 1979 190 8 2 0.456 0.48 2.33 0.287 0.916 0.178 2.09 0.316 0.022 1 47 NWR49A 1825 1979 155 6 1 0.461 0.82 1.50 0.241 0.766 0.153 2.16 0.380 0.064 1 48 NWR49B 1795 1979 185 8 2 0.377 0.40 1.11 0.237 0.904 0.171 2.14 0.379 0.035 1 1 PART 7: DESCRIPTIVE STATISTICS: 15:55 Tue 14 MAR 1995 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 NWR50A 1918 1979 62 3 3 0.234 0.88 1.50 0.250 0.712 0.170 2.23 0.445 -0.045 4 50 NWR50B 1910 1979 70 3 0 0.551 1.11 3.76 0.444 0.521 0.179 2.13 0.411 0.017 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 9422 386 77 0.477 0.70 4.29 0.286 0.780 0.203 2.29 0.331 -0.002