Chronology file name : CANA104.CRN Measurement file name : CANA104.RWL Date checked : 17JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1698 Ending year : 1970 Principal investigators: TONY KNOWLES, C.W. STOCKTON, H.C. FRITTS Site name : PEACE RIVER 2 Site location : ALBERTA, CANADA Species information : PCGL WHITE SPRUCE Latitude : 5859N Longitude : 11130W Elevation : 70 M Series intercorrelation: 0.712 Avg mean sensitivity : 0.244 Avg standard deviation : 0.405 Avg autocorrelation : 0.753 Number dated series : 17 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 3.54 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 5.88 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #3 209031 1756-1805 IS MISDATED ALL FLAGS = LOW CORRELATIONS WITH MASTER STILL AN EXCELLENT DATA SET DESPITE SHORT MISDATE PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:34 Wed 17 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1774 1799 1824 1849 1874 1899 1924 1949 1974 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 209021 1769 1970 .71 .74 .70 .71 .69 .74 .86 .84 2 209022 1775 1970 .59 .71 .77 .79 .81 .89 .87 3 209031 1756 1970 .36B .53 .82 .81 .79 .74 .83 .89 4 209032 1760 1970 .50 .66 .76 .80 .82 .71 .75 .74 5 209041 1698 1970 .39B .71 .65 .56 .58 .47 .43 .68 .70 6 209042 1832 1970 .76 .82 .65 .83 .86 7 209043 1860 1970 .84 .77 .87 .81 8 209061 1803 1970 .60 .74 .77 .65 .81 .82 9 209062 1788 1970 .63 .84 .85 .73 .52 .72 .80 10 209071 1733 1970 .34 .67 .75 .78 .88 .89 .77 .84 .77 11 209072 1739 1970 .67 .80 .75 .82 .91 .79 .66 .88 .86 12 209081 1819 1970 .80 .79 .62 .63 .84 .75 13 209082 1788 1970 .67 .80 .88 .82 .74 .87 .65 14 209101 1875 1970 .58 .74 .71 15 209102 1825 1970 .77 .82 .66 .81 .78 16 209111 1837 1970 .63 .63 .59 .73 .74 17 209112 1793 1970 .29A .28B .65 .72 .63 .81 .77 PART 7: DESCRIPTIVE STATISTICS: 23:34 Wed 17 JUL 1996 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 209021 1769 1970 202 8 0 0.735 0.91 1.80 0.317 0.735 0.221 1.91 0.301 -0.009 1 2 209022 1775 1970 196 7 0 0.759 0.93 2.10 0.318 0.622 0.255 1.91 0.229 0.013 1 3 209031 1756 1970 215 8 1 0.717 0.92 2.46 0.342 0.750 0.226 1.75 0.246 -0.012 1 4 209032 1760 1970 211 8 0 0.693 0.72 1.37 0.287 0.779 0.237 1.84 0.278 -0.003 1 5 209041 1698 1970 273 9 1 0.532 0.79 1.79 0.436 0.909 0.215 1.92 0.296 -0.003 1 6 209042 1832 1970 139 5 0 0.759 1.04 2.09 0.432 0.808 0.237 1.77 0.228 0.001 1 7 209043 1860 1970 111 4 0 0.834 1.10 2.40 0.448 0.767 0.248 1.94 0.258 0.036 1 8 209061 1803 1970 168 6 0 0.730 0.94 2.35 0.388 0.688 0.266 1.86 0.243 0.028 1 9 209062 1788 1970 183 7 0 0.723 1.10 1.92 0.335 0.681 0.211 1.93 0.253 0.006 1 10 209071 1733 1970 238 9 0 0.723 0.97 2.46 0.447 0.829 0.234 1.93 0.222 -0.033 1 11 209072 1739 1970 232 9 0 0.793 0.95 2.30 0.377 0.773 0.228 1.87 0.270 -0.011 1 12 209081 1819 1970 152 6 0 0.729 0.89 1.81 0.359 0.708 0.280 1.84 0.236 0.005 1 13 209082 1788 1970 183 7 0 0.773 0.92 2.02 0.353 0.656 0.298 1.80 0.234 -0.022 1 14 209101 1875 1970 96 3 0 0.628 1.38 2.87 0.593 0.737 0.259 2.09 0.389 -0.022 1 15 209102 1825 1970 146 5 0 0.742 1.67 3.16 0.549 0.673 0.221 1.70 0.225 0.030 1 16 209111 1837 1970 134 5 0 0.655 1.22 3.48 0.652 0.767 0.298 1.99 0.333 -0.010 2 17 209112 1793 1970 178 7 2 0.611 0.98 2.42 0.469 0.800 0.268 2.05 0.296 0.023 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3057 113 4 0.712 0.99 3.48 0.405 0.753 0.244 2.09 0.264 -0.001