Chronology file name : NONE Measurement file name : AK24.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1758 Ending year : 1987 Principal investigators: KLAUS F. KAISER Site name : BRASSIERE HILL, TAKU INLET, JUNEAU AREA Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 5828N Longitude : 13401W Elevation : 30 M Series intercorrelation: 0.713 Avg mean sensitivity : 0.170 Avg standard deviation : 1.069 Avg autocorrelation : 0.938 Number dated series : 13 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 1.02 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: EXCELLENT HIGH QUALITY DATA SET 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 1750 1775 1800 1825 1850 1875 1900 1925 1950 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BRAS0010 1840 1987 .55 .58 .77 .79 .74 .85 2 BRAS0020 1845 1987 .74 .76 .87 .88 .89 .92 3 BRAS0030 1811 1987 .26B .37 .53 .72 .75 .84 .88 4 BRAS0040 1818 1987 .38 .39 .57 .64 .75 .83 .89 5 BRAS0050 1820 1987 .41 .46 .61 .85 .80 .76 .79 6 BRAS0060 1779 1987 .69 .72 .69 .77 .87 .87 .82 .88 7 BRAS0070 1778 1987 .64 .70 .69 .74 .70 .66 .67 .73 8 BRAS0080 1820 1987 .47 .43 .64 .76 .63 .73 .85 9 BRAS0090 1781 1987 .66 .60 .52 .58 .71 .80 .70 .81 10 BRAS0100 1758 1987 .80 .76 .74 .54 .61 .79 .81 .78 .81 11 BRAS0110 1779 1987 .37 .57 .48 .57 .52 .40 .50 .73 12 BRAS0120 1792 1987 .47 .43 .46 .66 .70 .69 .78 .82 13 BRASCH00 1758 1987 .92 .92 .91 .91 .97 .98 .98 .99 .99 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 BRAS0010 1840 1987 148 6 0 0.740 1.69 7.03 1.421 0.974 0.178 2.01 0.295 0.022 2 2 BRAS0020 1845 1987 143 6 0 0.809 2.37 6.63 1.268 0.946 0.151 1.86 0.335 0.040 1 3 BRAS0030 1811 1987 177 7 1 0.612 1.67 4.66 1.096 0.916 0.180 2.03 0.346 -0.011 2 4 BRAS0040 1818 1987 170 7 0 0.653 1.23 2.82 0.511 0.767 0.236 2.03 0.315 0.019 2 5 BRAS0050 1820 1987 168 7 0 0.682 1.59 4.78 1.155 0.946 0.148 1.86 0.305 -0.025 1 6 BRAS0060 1779 1987 209 8 0 0.797 1.80 6.46 1.473 0.972 0.165 1.91 0.313 -0.027 2 7 BRAS0070 1778 1987 210 8 0 0.681 1.47 4.73 1.259 0.965 0.181 1.89 0.312 -0.028 2 8 BRAS0080 1820 1987 168 7 0 0.682 1.81 4.47 1.062 0.959 0.135 2.00 0.374 0.023 1 9 BRAS0090 1781 1987 207 8 0 0.673 1.83 5.81 1.098 0.950 0.144 1.92 0.245 0.008 1 10 BRAS0100 1758 1987 230 9 0 0.757 1.36 4.66 1.232 0.978 0.158 1.90 0.302 -0.001 1 11 BRAS0110 1779 1987 209 8 0 0.538 1.08 2.90 0.620 0.904 0.232 1.86 0.291 -0.020 1 12 BRAS0120 1792 1987 196 8 0 0.662 1.22 4.09 0.741 0.929 0.166 1.90 0.223 0.020 2 13 BRASCH00 1758 1987 230 9 0 0.950 1.73 4.39 1.009 0.962 0.138 1.89 0.262 0.000 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2465 98 1 0.713 1.58 7.03 1.069 0.938 0.170 2.03 0.299 0.000