Chronology file name : NONE Measurement file name : WA083.RWL Date checked : 28MAR96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1605 Ending year : 1983 Principal investigators: K. BRIFFA AND F.H. SCHWEINGRUBER Site name : SHERMAN CR. PASS Site location : WASHINGTON, USA Species information : LAOC WESTERN LARCH Latitude : 4842N Longitude : 11820W Elevation : 1800 M Series intercorrelation: 0.706 Avg mean sensitivity : 0.289 Avg standard deviation : 0.501 Avg autocorrelation : 0.811 Number dated series : 24 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 2.00 Are there obvious misdated series? NO Number possible misdated series : N/. Percent misdated series : 0.00 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #2 734012 SHOULD BE DIVIDED INTO TWO SERIES RATHER THAN BE MISSING ALL RINGS BETWEEN 1852-1854 SAME FOR #11 734061 1801-1812, #12 734062 1797-1799, #15 734081 1721-1734, #17 734091 1848-1854, #20 734122 1905-1908, #22 734162 1796-99 #18 734092 SHOULD BE TRUNCATED AFTER 1720 DATA SET STILL COULD BE IMPROVED, EXCELLENT DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 19:04 Thu 28 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 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 734011 1647 1983 .55 .55 .76 .84 .92 .86 .76 .76 .71 .81 .83 .73 .73 .71 2 734012 1647 1983 .71 .72 .72 .83 .88 .84 .79 .81 .38 .34 .67 .73 .78 .78 3 734021 1647 1983 .54 .55 .66 .91 .95 .92 .89 .84 .81 .85 .91 .86 .81 .84 4 734022 1665 1983 .80 .80 .88 .94 .93 .91 .87 .81 .86 .91 .86 .83 .77 5 734031 1844 1983 .64 .68 .85 .84 .84 .78 6 734032 1848 1983 .75 .73 .78 .77 .87 .75 7 734041 1834 1983 .40 .67 .80 .75 .80 .80 8 734042 1827 1983 .23B .45 .75 .80 .78 .76 9 734051 1649 1983 .72 .81 .87 .91 .84 .82 .84 .78 .80 .84 .83 .81 .77 .74 10 734052 1818 1983 .75 .74 .74 .78 .84 .75 .72 11 734061 1675 1983 .56 .77 .85 .76 .63 .45 .55 .84 .83 .74 .73 .62 12 734062 1683 1983 .51 .66 .86 .78 .58 .52 .62 .81 .82 .78 .57 .53 13 734071 1774 1983 .75 .72 .56 .57 .78 .80 .78 .67 .47 14 734072 1701 1983 .70 .78 .76 .74 .57 .44 .70 .82 .83 .69 .60 15 734081 1605 1983 .71 .74 .60 .45 .63 .84 .60 .40 .62 .71 .78 .81 .79 .72 16 734082 1648 1983 .78 .78 .73 .83 .88 .81 .70 .69 .72 .77 .83 .74 .71 .71 17 734091 1691 1983 .78 .82 .79 .69 .72 .63 .45 .67 .80 .77 .78 .72 18 734092 1640 1983 .79 .79 .51 .16A-.03B-.03B .08B .51 .74 .77 .79 .84 .86 .79 19 734121 1732 1983 .70 .69 .67 .76 .63 .63 .70 .78 .85 .81 20 734122 1725 1983 .59 .77 .70 .68 .61 .69 .70 .65 .74 .70 21 734161 1646 1908 .61 .62 .63 .67 .84 .79 .72 .66 .60 .64 .69 22 734162 1706 1983 .77 .83 .69 .63 .74 .67 .67 .73 .73 .74 .78 23 734171 1870 1983 .50 .53 .81 .76 .71 24 734172 1860 1983 .38 .61 .78 .77 .75 PART 7: DESCRIPTIVE STATISTICS: 19:04 Thu 28 MAR 1996 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 734011 1647 1983 337 14 0 0.752 0.71 2.95 0.522 0.862 0.315 1.94 0.287 0.007 8 2 734012 1647 1983 337 14 0 0.726 0.67 3.01 0.495 0.805 0.328 1.98 0.290 0.014 1 3 734021 1647 1983 337 14 0 0.817 0.77 2.59 0.416 0.701 0.320 2.07 0.363 0.030 1 4 734022 1665 1983 319 13 0 0.848 0.65 2.24 0.338 0.767 0.309 1.90 0.339 0.002 1 5 734031 1844 1983 140 6 0 0.738 1.34 3.19 0.584 0.779 0.244 1.88 0.266 -0.013 1 6 734032 1848 1983 136 6 0 0.730 1.53 4.89 0.761 0.809 0.223 2.03 0.405 0.012 1 7 734041 1834 1983 150 6 0 0.667 1.73 4.28 0.718 0.749 0.245 1.78 0.241 0.004 1 8 734042 1827 1983 157 6 1 0.566 1.68 3.07 0.635 0.720 0.249 1.79 0.284 -0.034 2 9 734051 1649 1983 335 14 0 0.807 0.70 3.70 0.486 0.814 0.331 1.93 0.296 0.024 1 10 734052 1818 1983 166 7 0 0.759 0.90 2.94 0.563 0.830 0.331 2.08 0.371 -0.021 1 11 734061 1675 1983 309 12 0 0.695 0.95 3.69 0.592 0.857 0.280 2.10 0.292 -0.014 1 12 734062 1683 1983 301 12 0 0.670 1.01 3.86 0.604 0.860 0.283 1.92 0.276 -0.001 1 13 734071 1774 1983 210 9 0 0.646 1.11 5.13 0.775 0.876 0.299 2.12 0.283 -0.046 2 14 734072 1701 1983 283 11 0 0.675 0.99 3.98 0.683 0.866 0.294 2.01 0.283 -0.007 1 15 734081 1605 1983 379 14 0 0.661 0.65 2.54 0.470 0.882 0.293 2.00 0.341 0.014 1 16 734082 1648 1983 336 14 0 0.764 0.61 2.08 0.378 0.868 0.274 1.89 0.291 0.023 1 17 734091 1691 1983 293 12 0 0.707 0.58 2.23 0.322 0.784 0.288 1.98 0.308 0.028 1 18 734092 1640 1983 344 14 4 0.535 0.53 2.71 0.519 0.890 0.216 2.10 0.317 0.030 1 19 734121 1732 1983 252 10 0 0.712 0.81 3.27 0.574 0.864 0.254 1.92 0.288 0.007 1 20 734122 1725 1983 259 10 0 0.655 0.69 4.24 0.592 0.867 0.303 1.85 0.271 -0.039 2 21 734161 1646 1908 263 11 0 0.679 0.37 0.91 0.165 0.662 0.320 1.92 0.265 -0.017 1 22 734162 1706 1983 278 11 0 0.716 0.41 1.04 0.187 0.685 0.318 1.81 0.283 0.016 1 23 734171 1870 1983 114 5 0 0.616 1.58 3.70 0.627 0.772 0.211 1.90 0.312 0.071 1 24 734172 1860 1983 124 5 0 0.597 1.60 3.77 0.669 0.730 0.243 2.24 0.364 0.052 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6159 250 5 0.706 0.83 5.13 0.501 0.811 0.289 2.24 0.304 0.006