Chronology file name : NONE Measurement file name : AK006.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1551 Ending year : 1983 Principal investigators: F. H. SCHWEINGRUBER Site name : DENALI NATIONAL PARK Site location : ALASKA, USA Species information : PCGL WHITE SPRUCE Latitude : 6340N Longitude : 14935W Elevation : 750 M Series intercorrelation: 0.637 Avg mean sensitivity : 0.183 Avg standard deviation : 0.241 Avg autocorrelation : 0.830 Number dated series : 30 Segment length tested : 50 Number problem segments: 12 Pct problem segments : 3.80 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: #14 704082 1675-1799 HAS LOW CORRELATION THESE SERIES SHOULD BE DIVIDED INTO TWO RATHER THAN HAVE ALL MISSING FROM #15 704091 1755-1783 AND #16 704092 1769-1783 ALL FLAGS = LOW CORRELATIONS WITH MASTER PART 5: CORRELATION OF SERIES BY SEGMENTS: 13:38 Fri 12 JAN 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 704011 1821 1983 .51 .54 .75 .70 .71 .77 .77 2 704012 1822 1983 .57 .57 .64 .78 .81 .74 .79 3 704031 1836 1983 .60 .67 .71 .74 .82 .86 4 704032 1841 1983 .55 .57 .69 .76 .82 .84 5 704041 1866 1983 .40 .47 .72 .68 .71 6 704042 1873 1983 .34 .39 .54 .60 .65 7 704051 1672 1983 .64 .61 .50 .65 .72 .59 .61 .69 .53 .38 .47 .30A .25A 8 704052 1673 1983 .62 .62 .56 .59 .57 .60 .69 .76 .70 .69 .66 .58 .64 9 704061 1634 1983 .72 .78 .74 .67 .36 .35 .51 .54 .69 .64 .49 .51 .63 .69 10 704062 1621 1983 .32A .56 .75 .68 .46 .52 .67 .60 .58 .58 .42 .29A .45 .61 .66 11 704071 1674 1983 .76 .75 .63 .69 .79 .75 .46 .41 .52 .64 .76 .75 .77 12 704072 1663 1983 .76 .82 .73 .64 .66 .71 .77 .75 .76 .83 .80 .71 .77 13 704081 1808 1983 .71 .60 .46 .69 .75 .72 .71 14 704082 1635 1983 .56 .63 .32B .15B .32A .31A .53 .72 .69 .47 .55 .71 .68 .68 15 704091 1622 1983 .66 .71 .77 .67 .60 .45 .14B .19B .55 .63 .57 .79 .79 .79 .82 16 704092 1663 1983 .72 .76 .74 .49 .18B .34 .50 .64 .50 .67 .72 .66 .75 17 704101 1770 1983 .68 .68 .80 .82 .80 .85 .70 .60 .67 18 704102 1767 1983 .81 .75 .78 .84 .77 .76 .75 .72 .78 19 704111 1877 1983 .49 .82 .47 .52 20 704112 1820 1983 .34 .41 .31A .57 .66 .60 .65 21 704121 1672 1983 .85 .81 .66 .70 .79 .75 .78 .74 .55 .67 .71 .61 .65 22 704122 1631 1983 .77 .79 .72 .64 .74 .85 .74 .63 .61 .52 .72 .75 .68 .75 23 704131 1577 1983 .67 .63 .55 .60 .60 .60 .49 .36 .43 .58 .71 .61 .47 .59 .67 .68 24 704132 1551 1983 .65 .69 .66 .71 .63 .55 .58 .58 .63 .58 .62 .66 .61 .51 .45 .46 25 704141 1637 1983 .64 .72 .80 .69 .64 .52 .50 .70 .82 .65 .69 .79 .81 .83 26 704142 1663 1983 .67 .71 .52 .47 .47 .53 .74 .82 .72 .73 .79 .71 .75 27 704151 1796 1983 .47 .51 .64 .71 .60 .60 .71 .75 28 704152 1807 1983 .56 .74 .76 .78 .83 .75 .79 29 704171 1680 1983 .64 .61 .74 .69 .43 .41 .47 .51 .66 .65 .70 .74 30 704172 1778 1983 .46 .54 .65 .57 .72 .81 .77 .77 PART 7: DESCRIPTIVE STATISTICS: 13:38 Fri 12 JAN 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 704011 1821 1983 163 7 0 0.672 1.03 2.61 0.457 0.820 0.200 2.15 0.327 -0.004 1 2 704012 1822 1983 162 7 0 0.717 0.76 1.35 0.237 0.728 0.189 1.99 0.366 -0.032 2 3 704031 1836 1983 148 6 0 0.723 1.35 2.58 0.435 0.807 0.157 2.00 0.317 -0.003 1 4 704032 1841 1983 143 6 0 0.716 0.89 2.16 0.463 0.915 0.182 2.17 0.480 -0.018 1 5 704041 1866 1983 118 5 0 0.598 1.26 1.98 0.308 0.583 0.178 1.82 0.336 -0.043 1 6 704042 1873 1983 111 5 0 0.522 1.87 2.71 0.366 0.424 0.170 1.92 0.386 0.002 1 7 704051 1672 1983 312 13 2 0.510 0.30 0.89 0.172 0.935 0.177 2.00 0.357 0.003 1 8 704052 1673 1983 311 13 0 0.629 0.45 1.22 0.235 0.903 0.158 1.93 0.255 -0.033 1 9 704061 1634 1983 350 14 0 0.598 0.43 1.80 0.218 0.879 0.144 2.03 0.318 -0.038 1 10 704062 1621 1983 363 15 2 0.535 0.39 1.90 0.221 0.911 0.153 1.99 0.272 -0.015 1 11 704071 1674 1983 310 13 0 0.661 0.37 1.01 0.170 0.699 0.248 1.91 0.287 -0.030 1 12 704072 1663 1983 321 13 0 0.741 0.40 1.19 0.159 0.623 0.243 2.04 0.328 -0.040 3 13 704081 1808 1983 176 7 0 0.665 0.34 0.65 0.119 0.859 0.149 1.98 0.357 -0.025 1 14 704082 1635 1983 349 14 4 0.515 0.37 1.06 0.204 0.916 0.163 2.12 0.328 0.020 1 15 704091 1622 1983 362 15 2 0.624 0.29 1.13 0.194 0.902 0.217 2.04 0.294 -0.003 2 16 704092 1663 1983 321 13 1 0.610 0.34 1.46 0.274 0.923 0.208 2.06 0.263 -0.028 2 17 704101 1770 1983 214 9 0 0.738 0.67 1.78 0.203 0.595 0.191 2.03 0.376 0.025 1 18 704102 1767 1983 217 9 0 0.775 0.75 1.45 0.239 0.673 0.201 1.95 0.320 0.009 1 19 704111 1877 1983 107 4 0 0.509 0.83 2.25 0.379 0.821 0.200 2.14 0.381 0.047 1 20 704112 1820 1983 164 7 1 0.550 1.07 2.42 0.382 0.806 0.173 2.11 0.300 -0.010 1 21 704121 1672 1983 312 13 0 0.710 0.37 0.89 0.128 0.762 0.187 2.13 0.357 -0.003 1 22 704122 1631 1983 353 14 0 0.707 0.37 0.85 0.150 0.834 0.183 1.96 0.263 -0.010 1 23 704131 1577 1983 407 16 0 0.576 0.42 1.73 0.299 0.936 0.170 2.07 0.327 -0.007 1 24 704132 1551 1983 433 16 0 0.598 0.46 1.54 0.272 0.938 0.153 2.02 0.324 -0.023 1 25 704141 1637 1983 347 14 0 0.703 0.44 1.26 0.179 0.775 0.211 2.14 0.344 -0.004 1 26 704142 1663 1983 321 13 0 0.662 0.50 1.68 0.239 0.869 0.195 2.09 0.291 0.003 1 27 704151 1796 1983 188 8 0 0.632 1.09 2.17 0.402 0.884 0.151 1.96 0.330 -0.027 2 28 704152 1807 1983 177 7 0 0.737 0.94 1.90 0.376 0.904 0.145 1.96 0.355 -0.022 2 29 704171 1680 1983 304 12 0 0.612 0.34 1.13 0.168 0.889 0.182 2.26 0.397 0.006 2 30 704172 1778 1983 206 8 0 0.664 0.64 1.75 0.254 0.757 0.197 2.04 0.382 -0.028 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7770 316 12 0.637 0.55 2.71 0.241 0.830 0.183 2.26 0.325 -0.012