Chronology file name : NONE Measurement file name : OR045.RWL Date checked : 22MAR96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1706 Ending year : 1983 Principal investigators: K. BRIFFA AND F.H. SCHWEINGRUBER Site name : MT. HOOD TIMBERLINE LODGE Site location : OREGON, USA Species information : TSME MOUNTAIN HEMLOCK Latitude : 4520N Longitude : 12141W Elevation : 1600 M Series intercorrelation: 0.676 Avg mean sensitivity : 0.293 Avg standard deviation : 0.537 Avg autocorrelation : 0.713 Number dated series : 22 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 4.66 Are there obvious misdated series? YES Number possible misdated series : 2 Percent misdated series : 9.09 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #11 681071 1759-1824, #14 681082 ARE MISDATED #17 681111 SHOULD BE TRUNCATED AT 1960 EXCELLENT DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 13:53 Fri 22 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 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 681011 1730 1983 .68 .75 .69 .67 .68 .74 .85 .71 .56 .54 2 681012 1753 1983 .63 .74 .81 .80 .70 .75 .64 .63 .73 3 681021 1850 1983 .88 .89 .76 .57 .57 4 681022 1792 1983 .60 .66 .60 .72 .87 .72 .70 .73 5 681031 1780 1983 .71 .78 .69 .74 .83 .83 .80 .81 6 681032 1762 1983 .64 .64 .66 .64 .85 .90 .88 .78 .76 7 681051 1724 1982 .78 .78 .83 .75 .60 .62 .84 .87 .64 .61 .60 8 681052 1720 1983 .58 .66 .62 .77 .69 .61 .69 .79 .75 .68 .71 9 681061 1732 1983 .54 .57 .74 .65 .65 .87 .88 .80 .77 .75 10 681062 1758 1983 .70 .83 .75 .63 .81 .89 .82 .65 .59 11 681071 1759 1966 .21B .32B .49 .72 .78 .76 .55 .51 12 681072 1790 1983 .72 .67 .51 .62 .69 .60 .63 .61 13 681081 1855 1983 .80 .92 .80 .73 .77 14 681082 1827 1983 -.03B .06B .10B .01B .24B .44 15 681091 1818 1983 .66 .61 .61 .64 .62 .55 .54 16 681092 1813 1983 .56 .54 .74 .78 .72 .70 .70 17 681111 1726 1982 .73 .62 .49 .52 .67 .46 .48 .58 .34 .29A 18 681112 1737 1983 .82 .57 .46 .53 .66 .81 .86 .61 .57 .64 19 681121 1709 1983 .58 .70 .65 .80 .79 .66 .79 .90 .85 .72 .71 20 681122 1706 1983 .74 .70 .63 .77 .80 .79 .89 .91 .83 .51 .31A 21 681131 1741 1983 .61 .79 .71 .62 .68 .84 .86 .74 .63 .63 22 681132 1746 1983 .74 .79 .82 .73 .67 .88 .82 .67 .73 .68 PART 7: DESCRIPTIVE STATISTICS: 13:53 Fri 22 MAR 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 681011 1730 1983 254 10 0 0.692 1.01 3.94 0.626 0.833 0.285 1.93 0.264 -0.020 1 2 681012 1753 1983 231 9 0 0.706 0.99 4.02 0.537 0.710 0.277 2.21 0.324 -0.023 1 3 681021 1850 1983 134 5 0 0.773 0.63 1.96 0.328 0.720 0.328 1.93 0.387 -0.060 1 4 681022 1792 1983 192 8 0 0.698 0.91 2.96 0.694 0.876 0.318 2.00 0.335 -0.017 1 5 681031 1780 1983 204 8 0 0.762 1.49 3.70 0.705 0.652 0.308 1.87 0.245 -0.055 2 6 681032 1762 1983 222 9 0 0.721 1.36 3.39 0.735 0.768 0.284 1.89 0.296 -0.045 1 7 681051 1724 1982 259 11 0 0.738 1.25 2.79 0.585 0.773 0.260 1.98 0.305 -0.004 1 8 681052 1720 1983 264 11 0 0.686 1.12 3.56 0.674 0.839 0.276 1.94 0.293 0.008 1 9 681061 1732 1983 252 10 0 0.733 1.01 3.17 0.356 0.693 0.203 1.94 0.266 -0.015 1 10 681062 1758 1983 226 9 0 0.752 0.86 1.63 0.230 0.557 0.191 1.97 0.267 -0.011 1 11 681071 1759 1966 208 8 2 0.534 1.17 2.38 0.410 0.468 0.280 2.05 0.344 -0.014 4 12 681072 1790 1983 194 8 0 0.649 1.46 3.54 0.707 0.736 0.262 2.01 0.324 -0.042 1 13 681081 1855 1983 129 5 0 0.799 0.84 2.28 0.439 0.677 0.311 2.01 0.301 -0.048 1 14 681082 1827 1983 157 6 5 0.096 0.74 2.13 0.497 0.862 0.336 1.98 0.331 0.036 2 15 681091 1818 1983 166 7 0 0.596 1.16 2.73 0.393 0.487 0.247 1.97 0.302 -0.033 2 16 681092 1813 1983 171 7 0 0.692 1.01 2.96 0.440 0.642 0.273 2.04 0.375 -0.026 1 17 681111 1726 1982 257 10 1 0.534 0.67 2.25 0.467 0.753 0.438 2.04 0.333 -0.027 1 18 681112 1737 1983 247 10 0 0.666 0.77 2.92 0.499 0.750 0.393 2.01 0.367 -0.043 1 19 681121 1709 1983 275 11 0 0.743 1.06 2.44 0.484 0.713 0.296 1.94 0.280 0.006 1 20 681122 1706 1983 278 11 1 0.731 1.12 2.87 0.629 0.810 0.320 1.99 0.317 -0.018 1 21 681131 1741 1983 243 10 0 0.695 1.37 3.23 0.684 0.668 0.299 2.07 0.359 -0.035 2 22 681132 1746 1983 238 10 0 0.742 1.36 2.80 0.514 0.592 0.269 2.01 0.345 -0.034 4 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4801 193 9 0.676 1.07 4.02 0.537 0.713 0.293 2.21 0.314 -0.022