Chronology file name : NONE Measurement file name : BRIT026.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1671 Ending year : 1978 Principal investigators: F. H. SCHWEINGRUBER Site name : COULIN Site location : BRITAIN Species information : PISY SCOTS PINE Latitude : 5732N Longitude : 521W Elevation : 250 M Series intercorrelation: 0.468 Avg mean sensitivity : 0.216 Avg standard deviation : 0.568 Avg autocorrelation : 0.849 Number dated series : 21 Segment length tested : 50 Number problem segments: 25 Pct problem segments : 15.15 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: THESE SERIES SHOULD BE DIVIDED INTO TWO RATHER THAN BE MISSING RINGS BETWEEN #15 570081 1876-1910, #16 570082 1793-1799, #17 570092 1928-1932 SOME INNER/OUTER RING SEGMENTS WITH LOW CORRELATIONS COULD BE IMPROVED PART 5: CORRELATION OF SERIES BY SEGMENTS: 14:16 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 570011 1825 1978 .43 .57 .62 .59 .64 .50 2 570012 1840 1978 .28A .42 .54 .61 .64 .61 3 570021 1794 1978 .42 .41 .56 .66 .64 .55 .60 .64 4 570022 1687 1978 -.09B .06B .30B .40 .40 .51 .55 .51 .51 .62 .62 .57 5 570031 1702 1978 .11B .48 .44 .35B .44 .47 .41 .42B .59 .56 .51 6 570032 1830 1978 .55 .55 .50 .57 .66 .62 7 570041 1851 1978 .71 .69 .62 .64 .58 8 570042 1807 1978 .38 .44 .71 .63 .49 .66 .55 9 570051 1823 1912 .56 .62 .66 .66 10 570052 1793 1978 .39 .45 .51 .60 .65 .67 .69 .68 11 570061 1742 1978 .32B .35 .43 .27B .24B .34 .39 .49 .50 .44 12 570062 1722 1943 .39 .44 .62 .44 .33A .42 .46 .49 .46 13 570071 1690 1960 .43 .62 .66 .58 .60 .44 .24B .50 .44 .33A .30A 14 570072 1806 1920 .09B-.11B .16B .60 15 570081 1739 1966 .44 .60 .65 .48 .51 .45 .29A .54 .55 16 570082 1705 1978 -.32B-.08B .63 .46 .34 .39 .48 .46 .54 .50 .44 17 570091 1851 1940 .36 .44 .44 18 570092 1809 1978 .53 .60 .59 .58 .67 .83 .81 19 570101 1734 1976 .63 .71 .58 .23B .25B .51 .58 .57 .64 .65 20 570102 1671 1978 .19B .36 .64 .57 .50 .27B .22A .47 .37 .42 .55 .46 21 570111 1833 1978 .46 .51 .57 .57 .64 .59 PART 7: DESCRIPTIVE STATISTICS: 14:16 Fri 12 JAN 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 570011 1825 1978 154 6 0 0.538 1.35 3.28 0.623 0.805 0.211 2.14 0.410 -0.031 1 2 570012 1840 1978 139 6 1 0.468 1.27 4.06 0.852 0.867 0.204 2.00 0.335 -0.037 2 3 570021 1794 1978 185 8 0 0.564 0.93 2.86 0.560 0.870 0.232 1.98 0.344 -0.029 3 4 570022 1687 1978 292 12 3 0.395 0.69 2.48 0.366 0.827 0.232 2.16 0.310 0.000 1 5 570031 1702 1978 277 11 3 0.408 0.99 3.14 0.567 0.875 0.207 1.94 0.274 -0.010 1 6 570032 1830 1978 149 6 0 0.576 0.88 2.67 0.536 0.899 0.209 1.89 0.219 -0.037 1 7 570041 1851 1978 128 5 0 0.652 1.21 2.10 0.429 0.814 0.157 2.09 0.440 -0.064 1 8 570042 1807 1978 172 7 0 0.501 1.53 3.58 0.631 0.801 0.181 1.88 0.213 -0.040 1 9 570051 1823 1912 90 4 0 0.639 1.44 3.64 0.801 0.893 0.200 1.97 0.337 0.027 1 10 570052 1793 1978 186 8 0 0.572 0.96 2.29 0.393 0.792 0.194 2.28 0.405 -0.002 2 11 570061 1742 1978 237 10 3 0.377 0.74 2.87 0.484 0.886 0.237 1.86 0.250 0.002 1 12 570062 1722 1943 222 9 1 0.425 1.00 2.69 0.440 0.814 0.194 1.85 0.243 -0.037 1 13 570071 1690 1960 271 11 3 0.447 0.69 4.16 0.585 0.896 0.245 2.09 0.305 0.042 1 14 570072 1806 1920 115 4 3 0.212 0.44 0.90 0.187 0.746 0.250 1.77 0.222 0.004 1 15 570081 1739 1966 228 9 1 0.485 0.61 2.56 0.536 0.925 0.207 2.03 0.268 -0.007 1 16 570082 1705 1978 274 11 2 0.297 0.75 2.92 0.400 0.830 0.206 1.91 0.220 -0.023 2 17 570091 1851 1940 90 3 0 0.432 1.18 4.07 0.924 0.865 0.279 1.81 0.274 -0.006 1 18 570092 1809 1978 170 7 0 0.675 0.83 2.10 0.394 0.819 0.209 1.99 0.229 0.006 1 19 570101 1734 1976 243 10 2 0.538 1.00 3.80 0.513 0.796 0.239 2.09 0.341 0.014 2 20 570102 1671 1978 308 12 3 0.395 1.00 6.03 1.038 0.941 0.215 2.17 0.317 -0.002 1 21 570111 1833 1978 146 6 0 0.550 1.46 6.54 0.864 0.749 0.215 2.20 0.388 0.003 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4076 165 25 0.468 0.95 6.54 0.568 0.849 0.216 2.28 0.298 -0.009