Chronology file name : NONE Measurement file name : BRIT023.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1846 Ending year : 1976 Principal investigators: F. H. SCHWEINGRUBER Site name : MAR LODGE Site location : BRITAIN Species information : LADE EUROPEAN LARCH Latitude : 5659N Longitude : 330W Elevation : 400 M Series intercorrelation: 0.568 Avg mean sensitivity : 0.262 Avg standard deviation : 1.027 Avg autocorrelation : 0.819 Number dated series : 6 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 3.33 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: SHOULD HAVE MORE SERIES STILL A VERY GOOD DATA SET 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 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 384011 1847 1976 .43 .40 .72 .69 .46 .51 2 384012 1879 1976 .67 .66 .48 .54 3 384021 1846 1976 .52 .48 .45 .34 .32A .36 4 384022 1860 1976 .42 .55 .55 .41 .47 5 384051 1871 1975 .61 .67 .67 .74 .75 6 384052 1878 1975 .72 .69 .73 .73 PART 7: DESCRIPTIVE STATISTICS: 14:16 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 384011 1847 1976 130 6 0 0.563 1.20 4.81 0.885 0.897 0.281 2.02 0.335 -0.080 1 2 384012 1879 1976 98 4 0 0.613 2.15 5.22 0.900 0.770 0.215 1.85 0.286 -0.032 1 3 384021 1846 1976 131 6 1 0.424 1.55 5.84 1.215 0.902 0.293 1.98 0.332 -0.007 1 4 384022 1860 1976 117 5 0 0.467 1.99 5.53 0.832 0.781 0.223 1.96 0.382 0.024 1 5 384051 1871 1975 105 5 0 0.675 2.42 5.74 1.247 0.816 0.272 1.86 0.346 -0.074 1 6 384052 1878 1975 98 4 0 0.726 2.61 5.06 1.088 0.701 0.279 1.89 0.394 -0.018 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 679 30 1 0.568 1.93 5.84 1.027 0.819 0.262 2.02 0.346 -0.031