Chronology file name : NONE Measurement file name : CANA063.RWL Date checked : 16JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1695 Ending year : 1988 Principal investigators: F.H. SCHWEINGRUBER Site name : WAKUACH LAKE Site location : CANADA Species information : PCGL WHITE SPRUCE Latitude : 5517N Longitude : 6707W Elevation : 1200 M Series intercorrelation: 0.576 Avg mean sensitivity : 0.167 Avg standard deviation : 0.300 Avg autocorrelation : 0.823 Number dated series : 24 Segment length tested : 50 Number problem segments: 16 Pct problem segments : 7.24 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 822312 HAS LOW CORRELATIONS #17 822401 1695-1774 IS POSSIBLY MISDATED #9 822361 SHOULD BE DIVIDED INTO TWO SERIES RATHER THAN BE MISSING ALL RINGS 1829-1837 ALL FLAGS = LOW CORRELATIONS WITH MASTER, EXCELLENT DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 17:25 Tue 16 JAN 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 822311 1735 1988 .52 .71 .82 .70 .58 .55 .53 .52 .51 .65 2 822312 1698 1988 .07B .08B .10B .43 .67 .67 .60 .61 .69 .76 .62 .62 3 822321 1782 1988 .64 .63 .60 .63 .58 .59 .65 .69 4 822322 1778 1988 .73 .69 .62 .64 .59 .68 .77 .77 5 822331 1695 1988 .34 .44 .50 .61 .55 .50 .57 .45 .11B .08B .54 .52 6 822332 1707 1988 .42 .48 .63 .64 .63 .57 .53 .46 .58 .67 .72 7 822341 1785 1988 .73 .76 .67 .64 .62 .67 .73 .73 8 822342 1786 1988 .40 .43 .57 .54 .69 .65 .68 .71 9 822361 1770 1987 .74 .74 .64 .56 .73 .58 .62 .67 .22A 10 822362 1768 1988 .77 .79 .66 .61 .70 .54 .55 .32A .33A 11 822371 1826 1988 .67 .73 .61 .51 .35B .38 12 822372 1821 1988 .52 .58 .61 .63 .67 .50 .49 13 822381 1827 1988 .56 .76 .68 .62 .70 .74 14 822382 1814 1988 .62 .59 .77 .71 .69 .75 .79 15 822391 1704 1988 .46 .51 .50 .73 .77 .53 .51 .67 .77 .75 .80 16 822392 1726 1988 .51 .62 .77 .66 .46 .55 .64 .68 .65 .61 17 822401 1695 1988 .07B .12B .30A .63 .76 .65 .31B .38 .53 .55 .62 .60 18 822402 1726 1988 .55 .65 .77 .79 .58 .42 .35 .44 .51 .57 19 822421 1743 1988 .40 .45 .66 .66 .51 .16B .21A .74 .70 .65 20 822422 1764 1988 .55 .59 .57 .46 .37 .45 .71 .71 .73 21 822441 1767 1962 .55 .61 .63 .47 .59 .55 .60 .71 22 822442 1786 1988 .65 .68 .61 .62 .61 .63 .59 .67 23 822451 1724 1987 .42 .42 .65 .73 .73 .57 .41 .51 .62 .54 .52 24 822452 1718 1988 .61 .61 .72 .75 .69 .42 .26A .42 .54 .55 .59 PART 7: DESCRIPTIVE STATISTICS: 17:25 Tue 16 JAN 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 822311 1735 1988 254 10 0 0.609 0.49 1.59 0.183 0.816 0.162 1.93 0.305 -0.027 1 2 822312 1698 1988 291 12 3 0.502 0.50 1.58 0.190 0.821 0.165 1.89 0.239 -0.007 1 3 822321 1782 1988 207 8 0 0.626 0.59 1.22 0.224 0.844 0.168 2.08 0.351 -0.005 1 4 822322 1778 1988 211 8 0 0.692 0.65 1.52 0.210 0.785 0.162 2.04 0.292 0.000 1 5 822331 1695 1988 294 12 2 0.435 0.69 3.41 0.672 0.961 0.184 2.07 0.317 0.023 1 6 822332 1707 1988 282 11 0 0.572 0.72 4.17 0.647 0.947 0.156 1.99 0.346 -0.002 1 7 822341 1785 1988 204 8 0 0.693 0.73 1.35 0.190 0.683 0.153 2.00 0.353 0.023 1 8 822342 1786 1988 203 8 0 0.564 0.69 1.42 0.193 0.656 0.158 1.86 0.269 0.035 1 9 822361 1770 1987 218 9 1 0.559 0.59 1.84 0.389 0.877 0.190 2.10 0.356 -0.011 1 10 822362 1768 1988 221 9 2 0.554 0.71 1.92 0.418 0.939 0.185 1.89 0.335 -0.026 1 11 822371 1826 1988 163 6 1 0.525 0.96 2.02 0.363 0.820 0.178 1.91 0.266 -0.016 1 12 822372 1821 1988 168 7 0 0.555 0.88 2.07 0.340 0.832 0.168 2.02 0.290 -0.050 1 13 822381 1827 1988 162 6 0 0.662 0.74 1.18 0.172 0.695 0.142 2.02 0.343 -0.002 1 14 822382 1814 1988 175 7 0 0.722 0.84 1.69 0.259 0.779 0.163 2.02 0.295 0.005 1 15 822391 1704 1988 285 11 0 0.639 0.73 1.51 0.252 0.866 0.153 1.97 0.382 0.018 1 16 822392 1726 1988 263 10 0 0.618 0.73 1.57 0.310 0.883 0.171 1.94 0.310 0.018 1 17 822401 1695 1988 294 12 4 0.507 0.54 1.99 0.246 0.889 0.151 1.99 0.272 0.005 1 18 822402 1726 1988 263 10 0 0.568 0.48 1.42 0.227 0.910 0.150 1.99 0.326 -0.021 1 19 822421 1743 1988 246 10 2 0.499 0.66 1.50 0.235 0.694 0.208 1.90 0.200 -0.030 2 20 822422 1764 1988 225 9 0 0.552 0.70 1.51 0.213 0.606 0.203 2.00 0.206 -0.014 2 21 822441 1767 1962 196 8 0 0.578 0.46 0.78 0.135 0.711 0.185 2.06 0.340 -0.010 1 22 822442 1786 1988 203 8 0 0.628 0.51 0.92 0.165 0.763 0.178 2.03 0.392 -0.010 1 23 822451 1724 1987 264 11 0 0.548 0.89 2.38 0.346 0.868 0.141 1.92 0.317 -0.012 1 24 822452 1718 1988 271 11 1 0.555 0.93 2.89 0.402 0.884 0.136 1.95 0.292 0.000 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5563 221 16 0.576 0.68 4.17 0.300 0.823 0.167 2.10 0.308 -0.004