Chronology file name : NONE Measurement file name : AK4.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1895 Ending year : 1986 Principal investigators: KLAUS F. KAISER Site name : TAKU GLACIER FRONT, TAKU INLET, JUNEAU AREA Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 5826N Longitude : 13401W Elevation : 1 M Series intercorrelation: 0.494 Avg mean sensitivity : 0.204 Avg standard deviation : 1.573 Avg autocorrelation : 0.944 Number dated series : 6 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 14.29 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: #5 TAKU0050 SHOULD BE DELETED DATA SET NEEDS MORE SERIES, BUT OK. PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:11 Mon 01 JUL 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 1875 1900 1925 1950 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 TAKU0010 1910 1985 .65 .78 .68 2 TAKU0020 1906 1981 .36 .60 .60 3 TAKU0030 1898 1985 .52 .50 .59 .55 4 TAKU0040 1895 1986 .31A .39 .50 .46 5 TAKU0050 1905 1986 .05B .19B .43 6 TAKUCH86 1895 1986 .77 .90 .96 .88 PART 7: DESCRIPTIVE STATISTICS: 23:11 Mon 01 JUL 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 TAKU0010 1910 1985 76 3 0 0.645 1.93 5.17 1.288 0.959 0.137 1.90 0.308 -0.051 1 2 TAKU0020 1906 1981 76 3 0 0.464 2.28 5.93 1.558 0.921 0.197 1.90 0.340 -0.032 1 3 TAKU0030 1898 1985 88 4 0 0.525 2.82 7.63 1.902 0.927 0.196 1.87 0.301 -0.043 1 4 TAKU0040 1895 1986 92 4 1 0.381 2.54 7.41 2.175 0.966 0.185 1.84 0.307 -0.033 1 5 TAKU0050 1905 1986 82 3 2 0.147 0.78 3.46 0.864 0.921 0.380 1.80 0.273 -0.013 1 6 TAKUCH86 1895 1986 92 4 0 0.784 2.20 5.23 1.534 0.965 0.135 1.85 0.303 0.011 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 506 21 3 0.494 2.11 7.63 1.573 0.944 0.204 1.90 0.305 -0.026