Chronology file name : VA001.CRN Measurement file name : VA001.RWL Date checked : 02SEP96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1827 Ending year : 1912 Principal investigators: RICHARD L. PHIPPS Site name : SPALDING (PRE 1913) Site location : VIRGINIA, USA Species information : FAGR AMERICAN BEECH Latitude : 3902N Longitude : 7719W Elevation : 85 M Series intercorrelation: 0.624 Avg mean sensitivity : 0.225 Avg standard deviation : 0.419 Avg autocorrelation : 0.630 Number dated series : 56 Segment length tested : 50 Number problem segments: 15 Pct problem segments : 12.10 Are there obvious misdated series? YES Number possible misdated series : 2 Percent misdated series : 3.57 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #37 3-161, #40 3-172 ARE MISDATED #42 3-192, #51 3-251 HAVE LOW CORRELATIONS DESPITE MISDATES, STILL A VERY GOOD DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 15:58 Mon 02 SEP 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 1825 1850 1875 1874 1899 1924 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 3 11 1857 1911 .67 .62 2 3 12 1870 1911 .54 3 3 13 1885 1911 .86 4 3 14 1840 1911 .85 .79 .76 5 3 21 1850 1911 .39 .61 6 3 22 1838 1911 .70 .74 .73 7 3 23 1838 1911 .57 .71 .71 8 3 24 1849 1911 .76 .76 .74 9 3 51 1859 1911 .77 .75 10 3 52 1843 1911 .75 .74 .69 11 3 53 1847 1911 .80 .79 .81 12 3 54 1853 1911 .78 .82 13 3 61 1853 1911 .70 .77 14 3 62 1844 1911 .71 .69 .61 15 3 63 1829 1911 .62 .66 .57 16 3 64 1829 1911 .47 .68 .77 17 3 71 1852 1911 .77 .76 18 3 72 1849 1911 .85 .85 .77 19 3 73 1855 1911 .74 .70 20 3 74 1856 1911 .81 .80 21 3 91 1843 1911 .60 .64 .68 22 3 92 1867 1911 .64 23 3 93 1827 1911 .09B .44 .68 24 3 94 1845 1911 .78 .78 .68 25 3 101 1863 1911 .64 26 3 102 1851 1911 .75 .78 27 3 103 1842 1911 .77 .72 .76 28 3 104 1838 1911 .79 .91 .83 29 3 121 1867 1911 .83 30 3 122 1865 1911 .77 31 3 123 1850 1911 .82 .82 32 3 124 1880 1911 .85 33 3 132 1836 1911 .60 .64 .62 34 3 133 1871 1911 .72 35 3 134 1869 1911 .39 36 3 135 1851 1911 .68 .66 37 3 161 1846 1911 -.06B-.02B .09B 38 3 162 1838 1911 .75 .76 .75 39 3 171 1837 1911 .85 .85 .82 40 3 172 1834 1911 .03B-.11B .00B 41 3 191 1870 1911 .16B 42 3 192 1844 1911 .29B .30A .23A 43 3 211 1863 1911 .54 44 3 212 1843 1911 .63 .62 .49 45 3 221 1835 1911 .67 .70 .65 46 3 222 1849 1911 .76 .76 .69 47 3 231 1876 1911 .56 48 3 232 1867 1911 .51 49 3 241 1850 1911 .69 .75 50 3 242 1860 1911 .72 .72 51 3 251 1846 1912 .20A .22B .16A 52 3 252 1897 1911 -.10B 53 3 261 1854 1911 .84 .83 54 3 262 1840 1911 .76 .80 .71 55 3 271 1860 1911 .78 .78 56 3 272 1861 1911 .69 .71 PART 7: DESCRIPTIVE STATISTICS: 15:58 Mon 02 SEP 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 3 11 1857 1911 55 2 0 0.625 0.77 2.05 0.368 0.696 0.245 1.89 0.317 0.033 1 2 3 12 1870 1911 42 1 0 0.543 0.65 1.11 0.196 0.512 0.216 2.22 0.567 -0.016 1 3 3 13 1885 1911 27 1 0 0.861 1.21 1.80 0.289 0.521 0.180 2.05 0.502 -0.101 1 4 3 14 1840 1911 72 3 0 0.790 0.84 1.49 0.270 0.509 0.244 1.76 0.271 -0.058 2 5 3 21 1850 1911 62 2 0 0.426 1.03 2.29 0.411 0.734 0.218 1.85 0.278 0.020 1 6 3 22 1838 1911 74 3 0 0.716 0.99 2.50 0.408 0.739 0.222 1.85 0.315 -0.040 1 7 3 23 1838 1911 74 3 0 0.630 0.89 2.06 0.373 0.735 0.268 2.06 0.427 -0.005 1 8 3 24 1849 1911 63 3 0 0.738 1.21 2.97 0.494 0.732 0.226 2.02 0.414 0.058 1 9 3 51 1859 1911 53 2 0 0.748 1.39 2.84 0.571 0.658 0.216 2.09 0.377 -0.097 1 10 3 52 1843 1911 69 3 0 0.739 1.12 2.48 0.360 0.527 0.225 2.03 0.315 -0.068 2 11 3 53 1847 1911 65 3 0 0.797 1.33 2.74 0.401 0.502 0.208 1.88 0.256 -0.046 1 12 3 54 1853 1911 59 2 0 0.793 1.48 2.51 0.473 0.485 0.235 2.23 0.418 -0.033 1 13 3 61 1853 1911 59 2 0 0.709 1.04 1.98 0.321 0.529 0.224 1.97 0.356 0.003 1 14 3 62 1844 1911 68 3 0 0.691 0.95 1.98 0.280 0.372 0.223 2.30 0.464 -0.018 1 15 3 63 1829 1911 83 3 0 0.592 0.78 2.11 0.402 0.802 0.222 2.04 0.467 0.006 1 16 3 64 1829 1911 83 3 0 0.593 0.92 1.98 0.382 0.790 0.204 2.16 0.403 -0.134 1 17 3 71 1852 1911 60 2 0 0.726 1.04 1.97 0.335 0.457 0.236 1.96 0.365 -0.015 1 18 3 72 1849 1911 63 3 0 0.801 1.07 2.07 0.405 0.576 0.257 1.89 0.381 -0.068 1 19 3 73 1855 1911 57 2 0 0.691 1.42 2.79 0.576 0.596 0.282 2.00 0.384 -0.053 1 20 3 74 1856 1911 56 2 0 0.797 1.09 2.17 0.354 0.382 0.271 2.01 0.345 0.007 1 21 3 91 1843 1911 69 3 0 0.631 0.64 1.31 0.257 0.761 0.222 2.08 0.474 -0.045 1 22 3 92 1867 1911 45 1 0 0.644 1.00 2.66 0.515 0.812 0.232 1.89 0.365 -0.072 1 23 3 93 1827 1911 85 3 1 0.293 0.93 2.11 0.483 0.778 0.247 2.06 0.390 -0.040 1 24 3 94 1845 1911 67 3 0 0.716 0.85 1.76 0.309 0.598 0.232 2.10 0.384 0.007 1 25 3 101 1863 1911 49 1 0 0.637 0.63 1.25 0.191 0.400 0.236 1.98 0.326 -0.022 1 26 3 102 1851 1911 61 2 0 0.726 0.80 1.66 0.289 0.735 0.218 1.98 0.380 -0.007 1 27 3 103 1842 1911 70 3 0 0.712 0.84 1.92 0.295 0.692 0.191 1.87 0.348 -0.069 1 28 3 104 1838 1911 74 3 0 0.747 0.95 2.01 0.311 0.650 0.212 1.98 0.342 0.043 1 29 3 121 1867 1911 45 1 0 0.830 1.57 2.76 0.473 0.672 0.195 1.82 0.290 -0.086 1 30 3 122 1865 1911 47 1 0 0.771 1.57 2.52 0.408 0.658 0.167 1.91 0.414 -0.037 1 31 3 123 1850 1911 62 2 0 0.809 1.48 2.94 0.468 0.730 0.195 2.01 0.395 -0.074 1 32 3 124 1880 1911 32 1 0 0.846 1.71 3.07 0.615 0.814 0.189 1.85 0.363 -0.026 1 33 3 132 1836 1911 76 3 0 0.584 0.99 1.58 0.250 0.592 0.176 2.11 0.483 0.044 1 34 3 133 1871 1911 41 1 0 0.721 1.06 2.41 0.428 0.591 0.292 2.01 0.393 -0.088 1 35 3 134 1869 1911 43 1 0 0.388 1.12 2.19 0.434 0.555 0.302 1.87 0.365 -0.079 1 36 3 135 1851 1911 61 2 0 0.684 1.22 2.39 0.405 0.700 0.193 2.05 0.456 -0.078 2 37 3 161 1846 1911 66 3 3 0.074 1.20 4.27 0.801 0.921 0.225 1.92 0.368 -0.050 1 38 3 162 1838 1911 74 3 0 0.753 1.44 2.73 0.461 0.609 0.201 2.22 0.471 -0.037 1 39 3 171 1837 1911 75 3 0 0.810 0.80 1.43 0.318 0.713 0.204 2.00 0.346 0.001 1 40 3 172 1834 1911 78 3 3 -0.027 0.71 1.40 0.230 0.487 0.256 2.03 0.352 0.001 1 41 3 191 1870 1911 42 1 1 0.155 0.91 2.79 0.369 0.457 0.239 2.26 0.552 -0.060 1 42 3 192 1844 1911 68 3 3 0.227 0.69 1.16 0.225 0.466 0.256 2.28 0.412 -0.004 1 43 3 211 1863 1911 49 1 0 0.536 1.25 4.44 0.724 0.789 0.263 2.05 0.456 -0.002 2 44 3 212 1843 1911 69 3 0 0.497 1.02 2.62 0.505 0.739 0.222 2.17 0.450 -0.056 1 45 3 221 1835 1911 77 3 0 0.652 1.42 2.39 0.510 0.681 0.230 1.88 0.300 -0.006 2 46 3 222 1849 1911 63 3 0 0.746 1.36 2.33 0.405 0.502 0.246 1.88 0.369 -0.005 1 47 3 231 1876 1911 36 1 0 0.563 1.76 2.97 0.512 0.725 0.166 2.05 0.433 0.076 1 48 3 232 1867 1911 45 1 0 0.512 1.47 2.83 0.516 0.502 0.263 2.08 0.458 0.099 1 PART 7: DESCRIPTIVE STATISTICS: 15:58 Mon 02 SEP 1996 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 3 241 1850 1911 62 2 0 0.698 2.16 4.11 0.773 0.750 0.222 1.81 0.288 0.000 1 50 3 242 1860 1911 52 2 0 0.717 2.60 4.09 0.654 0.632 0.174 1.77 0.292 0.002 1 51 3 251 1846 1912 67 3 3 0.181 1.35 3.98 0.792 0.808 0.223 2.13 0.374 -0.012 1 52 3 252 1897 1911 15 1 1 -0.095 2.76 5.21 0.758 0.253 0.170 2.32 0.671 0.032 2 53 3 261 1854 1911 58 2 0 0.831 1.76 3.03 0.447 0.543 0.182 1.99 0.399 0.021 1 54 3 262 1840 1911 72 3 0 0.744 1.55 3.21 0.583 0.778 0.202 1.89 0.317 0.002 1 55 3 271 1860 1911 52 2 0 0.781 0.79 1.51 0.247 0.385 0.226 2.35 0.441 0.005 1 56 3 272 1861 1911 51 2 0 0.702 0.80 1.84 0.252 0.275 0.240 2.32 0.430 -0.024 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3342 124 15 0.624 1.14 5.21 0.419 0.630 0.225 2.35 0.385 -0.023