NOTE: All statistics reported below describe the raw measurement file, not the chronology itself. This file should be viewed with a non-proportional font. Chronology file name : NONE Measurement file name : BRIT10.RWL Date checked : 13JAN95 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1816 Ending year : 1977 Principal investigators: RUTH MORGAN Site name : TOWY VALLEY Site location : DYFED, BRITAIN Species information : QURO ENGLISH OAK Latitude : 5125N Longitude : 410W Elevation : 98 M Series intercorrelation: 0.293 Avg mean sensitivity : 0.242 Avg standard deviation : 0.134 Avg autocorrelation : 0.789 Number dated series : 4 Segment length tested : 50 Number problem segments: 13 Pct problem segments : 68.42 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Comments: SHOULD HAVE MORE SERIES CHRONOLOGY NOT RELIABLE VERY POOR CORES THAT NEED MUCH WORK 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 13:27 Fri 13 JAN 1995 Page 2 ----------------------------------------------------------------------------------------------------------------------------------- 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 Interval 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 1 TOWY11 1886 1977 - - .51 .23 .13 .24 - - - - - - - - - - - - - - + ___B ___B ___A 2 TOWY12 1816 1977 .19 .25 .45 .17 .10 .13 - - - - - - - - - - - - - - + ___B ___A ___B ___B ___B 3 TOWY13 1902 1977 - - - .07 .22 .30 - - - - - - - - - - - - - - + ___B ___B ___A 4 TOWY14 1840 1977 .18 .26 .59 .47 .39 .47 - - - - - - - - - - - - - - + ___B ___A 1 PART 7: DESCRIPTIVE STATISTICS: 13:27 Fri 13 JAN 1995 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- 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 TOWY11 1886 1977 92 4 3 0.394 0.29 0.77 0.177 0.852 0.246 2.08 0.439 -0.004 1 2 TOWY12 1816 1977 162 6 5 0.237 0.21 0.70 0.139 0.771 0.288 2.17 0.362 0.064 1 3 TOWY13 1902 1977 76 3 3 0.168 0.39 0.68 0.104 0.676 0.183 1.92 0.367 -0.077 2 4 TOWY14 1840 1977 138 6 2 0.351 0.23 0.55 0.116 0.831 0.217 2.10 0.384 -0.033 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 468 19 13 0.293 0.26 0.77 0.134 0.789 0.242 2.17 0.384 -0.001