Chronology file name : NONE Measurement file name : CA559.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1712 Ending year : 1983 Principal investigators: F. H. SCHWEINGRUBER Site name : SQUAW VALLEY, LAKE TAHOE Site location : CALIFORNIA, USA Species information : ABMA CALIFORNIA RED FIR Latitude : 3906N Longitude : 11916W Elevation : 2280 M Series intercorrelation: 0.681 Avg mean sensitivity : 0.191 Avg standard deviation : 0.677 Avg autocorrelation : 0.871 Number dated series : 24 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 1.92 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 DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 14:18 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 697011 1765 1983 .73 .82 .79 .76 .77 .70 .63 .74 .70 2 697012 1751 1983 .51 .51 .70 .72 .57 .36 .47 .75 .75 3 697021 1751 1983 .66 .67 .60 .65 .73 .66 .45 .58 .57 4 697022 1746 1983 .71 .73 .73 .74 .78 .75 .73 .75 .78 .78 5 697031 1712 1983 .44 .46 .75 .74 .70 .75 .60 .57 .66 .68 6 697032 1734 1983 .65 .67 .61 .58 .70 .79 .63 .41 .43B .53 7 697041 1777 1983 .67 .78 .75 .80 .74 .63 .75 .70 8 697042 1767 1983 .60 .58 .69 .72 .75 .79 .73 .78 .76 9 697051 1731 1983 .61 .67 .81 .85 .79 .74 .64 .51 .65 .61 10 697052 1737 1950 .65 .67 .79 .76 .71 .72 .68 .71 .69 11 697061 1767 1983 .50 .50 .68 .78 .67 .59 .64 .75 .76 12 697062 1785 1983 .86 .80 .73 .71 .66 .61 .70 .72 13 697071 1796 1983 .76 .79 .68 .78 .89 .76 .77 .75 14 697072 1787 1983 .85 .87 .81 .83 .82 .70 .75 .74 15 697081 1798 1983 .81 .81 .86 .79 .69 .66 .69 .66 16 697082 1803 1983 .81 .64 .64 .75 .51 .56 .59 17 697091 1772 1983 .79 .79 .85 .83 .81 .69 .53 .26B .19B 18 697092 1779 1983 .78 .83 .81 .82 .70 .50 .59 .68 19 697101 1766 1983 .65 .72 .78 .81 .85 .85 .66 .67 .66 20 697102 1764 1983 .60 .66 .66 .75 .75 .58 .61 .76 .72 21 697111 1776 1983 .70 .70 .66 .51 .37 .35 .53 .55 22 697112 1771 1983 .76 .80 .79 .74 .72 .73 .71 .64 .60 23 697121 1799 1983 .69 .67 .78 .83 .54 .45 .51 .47 24 697122 1806 1983 .52 .54 .67 .64 .34B .51 .58 PART 7: DESCRIPTIVE STATISTICS: 14:18 Fri 12 JAN 1996 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 697011 1765 1983 219 9 0 0.719 1.18 2.49 0.569 0.917 0.188 2.03 0.282 0.001 1 2 697012 1751 1983 233 9 0 0.587 1.34 4.09 0.732 0.927 0.157 1.90 0.230 0.003 1 3 697021 1751 1983 233 9 0 0.627 1.08 2.72 0.618 0.912 0.217 2.04 0.282 0.022 1 4 697022 1746 1983 238 10 0 0.750 1.28 2.92 0.637 0.893 0.190 2.01 0.356 0.011 1 5 697031 1712 1983 272 10 0 0.621 1.09 3.45 0.743 0.925 0.223 2.05 0.403 0.018 1 6 697032 1734 1983 250 10 1 0.603 1.19 3.60 0.802 0.928 0.204 2.00 0.266 -0.020 2 7 697041 1777 1983 207 8 0 0.715 1.51 3.00 0.468 0.583 0.228 1.79 0.266 0.028 1 8 697042 1767 1983 217 9 0 0.705 1.41 2.24 0.411 0.624 0.202 1.86 0.263 0.009 1 9 697051 1731 1983 253 10 0 0.701 1.20 2.91 0.696 0.890 0.231 1.93 0.308 -0.027 1 10 697052 1737 1950 214 9 0 0.719 1.45 2.97 0.776 0.883 0.216 1.89 0.309 0.003 1 11 697061 1767 1983 217 9 0 0.663 1.45 2.79 0.530 0.865 0.144 1.96 0.289 0.012 1 12 697062 1785 1983 199 8 0 0.739 1.52 3.52 0.841 0.931 0.159 1.89 0.332 0.051 1 13 697071 1796 1983 188 8 0 0.765 1.19 3.09 0.776 0.917 0.195 1.81 0.263 -0.008 1 14 697072 1787 1983 197 8 0 0.807 1.09 3.02 0.737 0.898 0.234 2.06 0.348 0.016 1 15 697081 1798 1983 186 8 0 0.749 1.72 3.26 0.608 0.755 0.198 1.81 0.280 0.013 2 16 697082 1803 1983 181 7 0 0.668 1.65 2.98 0.596 0.806 0.175 1.90 0.287 0.000 2 17 697091 1772 1983 212 9 2 0.643 1.50 3.67 0.917 0.942 0.181 2.03 0.369 0.015 1 18 697092 1779 1983 205 8 0 0.721 1.34 3.22 0.713 0.913 0.203 2.05 0.392 0.052 1 19 697101 1766 1983 218 9 0 0.753 1.47 2.77 0.572 0.854 0.166 1.87 0.320 0.022 1 20 697102 1764 1983 220 9 0 0.663 1.36 2.80 0.588 0.897 0.151 2.10 0.338 -0.005 2 21 697111 1776 1983 208 8 0 0.567 1.10 3.53 0.849 0.937 0.200 2.22 0.345 0.009 1 22 697112 1771 1983 213 9 0 0.696 1.38 3.89 0.965 0.951 0.172 2.11 0.352 -0.005 1 23 697121 1799 1983 185 8 0 0.631 1.69 3.12 0.540 0.828 0.156 2.04 0.289 0.008 1 24 697122 1806 1983 178 7 1 0.568 1.22 2.69 0.489 0.875 0.160 2.00 0.289 -0.031 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5143 208 4 0.681 1.34 4.09 0.677 0.871 0.191 2.22 0.312 0.008