Chronology file name : VA019.CRN Measurement file name : VA019.RWL Date checked : 02SEP96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1881 Ending year : 1993 Principal investigators: D.M. LAURENCE, FALL 1993 EVEC522 STUDENTS Site name : CHARLOTTESVILLE - MT. JEFFERSON (OBSERVATORY HILL) Site location : VIRGINIA, USA Species information : QUPR CHESTNUT OAK Latitude : 3800N Longitude : 7825W Elevation : 245 M Series intercorrelation: 0.572 Avg mean sensitivity : 0.186 Avg standard deviation : 0.671 Avg autocorrelation : 0.629 Number dated series : 41 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 5.00 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: ALL FLAGS = LOW CORRELATIONS WITH MASTER EXCELLENT DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 15:59 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 1875 1900 1925 1950 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 OBH011 1947 1992 .68 2 OBH012 1920 1993 .69 .60 .41 3 OBH021 1923 1993 .66 .64 .66 4 OBH022 1951 1993 .55 5 OBH031 1927 1993 .75 .69 6 OBH032 1940 1993 .74 .76 7 OBH051 1897 1993 .54 .56 .73 .50 8 OBH052 1899 1993 .47 .49 .41 .28A 9 OBH061 1926 1990 .71 .71 10 OBH062 1918 1993 .73 .75 .74 11 OBH071 1938 1993 .65 .66 12 OBH072 1894 1993 .55 .71 .68 .60 13 OBH081 1905 1993 .55 .66 .67 14 OBH082 1905 1993 .79 .73 .74 15 OBH091 1881 1993 .62 .70 .59 .51 16 OBH092 1916 1993 .68 .63 .57 17 OBH101 1931 1993 .60 .61 18 OBH102 1928 1986 .65 .58 19 OBH111 1925 1993 .73 .73 20 OBH112 1927 1993 .60 .61 21 OBH121 1937 1993 .49 .53 22 OBH122 1939 1993 .46 .51 23 OBH131 1910 1993 .77 .60 .49 24 OBH132 1914 1993 .71 .67 .57 25 OBH141 1924 1992 .56 .58 .58 26 OBH142 1917 1992 .28A .62 .62 27 OBH152 1942 1993 .35 .35 28 OBH161 1918 1993 .42 .43 .33A 29 OBH162 1928 1993 .38 .32A 30 OBH171 1938 1993 .70 .70 31 OBH172 1917 1993 .63 .64 .64 32 OBH191 1961 1993 .61 33 OBH192 1946 1993 .54 34 OBH201 1926 1993 .64 .58 35 OBH202 1925 1993 .49 .43 36 OBH211 1940 1993 .50 .52 37 OBH212 1940 1993 .42 .42 38 OBH221 1926 1993 .34 .33A 39 OBH222 1918 1993 .48 .46 .39 40 OBH231 1908 1993 .69 .80 .73 41 OBH241 1928 1993 .78 .62 PART 7: DESCRIPTIVE STATISTICS: 15:59 Mon 02 SEP 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 OBH011 1947 1992 46 1 0 0.682 3.11 5.13 0.725 0.547 0.173 2.01 0.496 0.029 1 2 OBH012 1920 1993 74 3 0 0.533 2.09 3.21 0.430 0.519 0.151 2.18 0.346 -0.020 1 3 OBH021 1923 1993 71 3 0 0.640 1.94 3.10 0.461 0.430 0.200 2.12 0.465 0.070 1 4 OBH022 1951 1993 43 1 0 0.551 3.29 6.90 1.246 0.738 0.196 2.07 0.380 0.051 1 5 OBH031 1927 1993 67 2 0 0.738 2.65 5.99 1.122 0.675 0.222 1.98 0.432 -0.100 1 6 OBH032 1940 1993 54 2 0 0.737 2.96 4.21 0.606 0.433 0.181 2.07 0.455 0.016 1 7 OBH051 1897 1993 97 4 0 0.503 1.74 4.33 0.808 0.746 0.201 2.08 0.429 -0.013 1 8 OBH052 1899 1993 95 4 1 0.391 1.67 4.71 0.796 0.687 0.255 2.06 0.416 -0.036 1 9 OBH061 1926 1990 65 2 0 0.731 1.36 2.67 0.344 0.540 0.191 1.89 0.327 -0.028 1 10 OBH062 1918 1993 76 3 0 0.733 1.40 2.78 0.427 0.583 0.167 1.84 0.324 0.009 2 11 OBH071 1938 1993 56 2 0 0.661 2.18 3.56 0.519 0.498 0.192 2.04 0.389 -0.011 1 12 OBH072 1894 1993 100 4 0 0.571 2.22 4.62 0.635 0.521 0.208 2.17 0.377 0.035 2 13 OBH081 1905 1993 89 3 0 0.566 2.11 4.13 0.580 0.656 0.178 2.08 0.454 -0.087 1 14 OBH082 1905 1993 89 3 0 0.755 1.99 3.72 0.575 0.684 0.184 1.93 0.333 0.017 1 15 OBH091 1881 1993 113 4 0 0.573 1.82 4.14 0.656 0.731 0.178 2.00 0.380 0.031 1 16 OBH092 1916 1993 78 3 0 0.669 2.58 5.39 0.898 0.807 0.155 2.18 0.454 -0.062 1 17 OBH101 1931 1993 63 2 0 0.601 1.71 3.32 0.575 0.634 0.196 2.18 0.462 -0.061 1 18 OBH102 1928 1986 59 2 0 0.653 1.67 2.96 0.496 0.565 0.194 2.27 0.475 -0.081 1 19 OBH111 1925 1993 69 2 0 0.726 1.93 3.40 0.521 0.575 0.182 2.08 0.436 -0.024 1 20 OBH112 1927 1993 67 2 0 0.599 1.77 3.54 0.662 0.730 0.177 2.28 0.343 -0.134 1 21 OBH121 1937 1993 57 2 0 0.494 3.30 4.55 0.647 0.221 0.199 1.87 0.348 -0.023 1 22 OBH122 1939 1993 55 2 0 0.478 3.26 5.34 0.868 0.637 0.190 1.94 0.449 0.011 1 23 OBH131 1910 1993 84 3 0 0.633 1.95 3.31 0.532 0.744 0.149 2.12 0.440 0.012 1 24 OBH132 1914 1993 80 3 0 0.666 2.33 3.46 0.441 0.568 0.143 2.04 0.421 -0.030 1 25 OBH141 1924 1992 69 3 0 0.536 1.41 3.46 0.629 0.688 0.233 1.88 0.402 -0.017 1 26 OBH142 1917 1992 76 3 1 0.401 1.42 4.46 0.632 0.569 0.246 2.17 0.354 -0.017 1 27 OBH152 1942 1993 52 2 0 0.355 1.56 3.46 0.718 0.802 0.188 2.26 0.539 0.008 2 28 OBH161 1918 1993 76 3 1 0.330 1.53 5.00 0.874 0.740 0.190 2.12 0.312 0.024 1 29 OBH162 1928 1993 66 2 1 0.354 1.92 5.04 1.357 0.870 0.157 1.83 0.301 0.003 1 30 OBH171 1938 1993 56 2 0 0.690 2.34 3.38 0.470 0.571 0.144 1.96 0.414 0.026 1 31 OBH172 1917 1993 77 3 0 0.608 2.13 3.62 0.446 0.574 0.142 2.16 0.465 0.054 1 32 OBH191 1961 1993 33 1 0 0.609 3.34 5.96 0.878 0.473 0.207 2.12 0.470 -0.029 1 33 OBH192 1946 1993 48 1 0 0.541 2.56 6.65 1.010 0.514 0.231 2.32 0.435 0.002 1 34 OBH201 1926 1993 68 2 0 0.611 1.44 2.87 0.567 0.821 0.180 2.19 0.362 0.002 1 35 OBH202 1925 1993 69 2 0 0.386 1.64 3.71 0.544 0.640 0.195 1.87 0.357 -0.006 1 36 OBH211 1940 1993 54 2 0 0.521 2.89 4.74 0.790 0.782 0.144 2.15 0.497 -0.123 1 37 OBH212 1940 1993 54 2 0 0.416 2.73 4.04 0.572 0.707 0.130 2.26 0.531 -0.011 1 38 OBH221 1926 1993 68 2 1 0.377 2.32 4.44 0.783 0.661 0.222 2.25 0.471 -0.057 2 39 OBH222 1918 1993 76 3 0 0.446 2.70 4.75 0.814 0.636 0.197 1.96 0.398 -0.097 1 40 OBH231 1908 1993 86 3 0 0.674 2.51 4.03 0.449 0.293 0.162 2.09 0.392 0.006 1 41 OBH241 1928 1993 66 2 0 0.724 1.96 5.17 0.952 0.772 0.199 1.95 0.415 -0.014 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2841 100 5 0.572 2.12 6.90 0.671 0.629 0.186 2.32 0.409 -0.016