Chronology file name : NONE Measurement file name : SWIT109.RWL Date checked : 26MAR96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1788 Ending year : 1974 Principal investigators: F.H. SCHWEINGRUBER Site name : RIEDRALP VS ALETSCHWALD Site location : SWITZERLAND Species information : PICE SWISS STONE PINE Latitude : 4624N Longitude : 801E Elevation : 2000 M Series intercorrelation: 0.474 Avg mean sensitivity : 0.168 Avg standard deviation : 0.431 Avg autocorrelation : 0.727 Number dated series : 9 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 25.00 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: #2 22508 1849-1924 SHOULD BE DELETED - LOW CORRELATIONS ALL FLAGS = LOW CORRELATIONS WITH MASTER DATA SETIS VERY SMALL, NEEDS STRENTHENED SAMPLE DEPTH CHRONOLOGY WEAK PRIOR TO 1850, COULD BE IMPROVED PART 5: CORRELATION OF SERIES BY SEGMENTS: 10:40 Tue 26 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 1800 1825 1850 1875 1900 1925 1849 1874 1899 1924 1949 1974 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 22507 1903 1974 .48 .65 2 22508 1849 1974 .07B .08B .27B .61 .60 3 22509 1854 1974 .17B .44 .61 .62 4 22510 1874 1974 .63 .63 .70 .73 5 22511 1923 1974 .54 .53 6 22513 1889 1974 .56 .54 .73 7 22730 1788 1974 .38 .29A .26A .42 .29A .51 8 22731 1809 1974 .41 .38 .30A .45 .42 .31A 9 22732 1870 1974 .59 .59 .55 .49 PART 7: DESCRIPTIVE STATISTICS: 10:40 Tue 26 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 22507 1903 1974 72 2 0 0.545 2.00 3.01 0.398 0.405 0.162 1.90 0.305 -0.022 2 2 22508 1849 1974 126 5 3 0.379 1.75 3.10 0.486 0.731 0.169 1.96 0.304 -0.026 1 3 22509 1854 1974 121 4 1 0.447 1.67 3.27 0.546 0.765 0.161 2.20 0.327 -0.041 2 4 22510 1874 1974 101 4 0 0.683 1.27 2.24 0.385 0.653 0.193 2.41 0.447 -0.010 1 5 22511 1923 1974 52 2 0 0.496 1.91 2.81 0.382 0.593 0.136 1.91 0.356 0.016 1 6 22513 1889 1974 86 3 0 0.626 2.14 3.16 0.470 0.667 0.140 1.92 0.359 -0.005 2 7 22730 1788 1974 187 6 3 0.379 0.82 2.83 0.605 0.948 0.178 2.25 0.366 -0.023 1 8 22731 1809 1974 166 6 2 0.378 0.81 1.95 0.256 0.686 0.180 1.95 0.308 0.009 1 9 22732 1870 1974 105 4 0 0.532 0.82 1.45 0.255 0.757 0.161 2.51 0.482 0.037 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1016 36 9 0.474 1.33 3.27 0.431 0.727 0.168 2.51 0.359 -0.009