NOTE: All statistics reported below describe the raw measurement file, not the chronology itself. This file should be viewed with a non-proportional font. Chronology file name : NONE Measurement file name : MD1.RWL Date checked : 17MAR95 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1804 Ending year : 1977 Principal investigators: JANE F. HILL AND BILL HILL Site name : BEAR ISLAND Site location : MARYLAND, USA Species information : QUST POST OAK Latitude : 3859N Longitude : 7714W Elevation : 60 M Series intercorrelation: 0.645 Avg mean sensitivity : 0.240 Avg standard deviation : 0.584 Avg autocorrelation : 0.727 Number dated series : 38 Segment length tested : 50 Number problem segments: 23 Pct problem segments : 13.37 Are there obvious misdated series? YES Number possible misdated series : 2 Percent misdated series : 5.26 Comments: #5 261 SERIES, #18 2152 SERIES ARE MISDATED #11 2121, #12 2122, #17 2151, #27 2221, #32 2252, #35 2271 ALL FROM 1950-1977 HAVE LOW CORRELATIONS AND SHOULD BE DELETED STILL A VERY GOOD DATA SET FOR POST OAK 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 15:13 Fri 17 MAR 1995 Page 2 ----------------------------------------------------------------------------------------------------------------------------------- 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 Interval 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 1 2 11 1845 1977 - .55 .53 .61 .83 .64 .61 - - - - - - - - - - - - - + 2 2 12 1834 1977 - .69 .69 .75 .81 .63 .61 - - - - - - - - - - - - - + 3 2 41 1809 1977 .55 .76 .84 .82 .76 .62 .62 - - - - - - - - - - - - - + 4 2 42 1804 1977 .59 .82 .83 .84 .84 .74 .72 - - - - - - - - - - - - - + 5 2 61 1891 1977 - - - -.02 -.12 -.09 -.07 - - - - - - - - - - - - - + ___B ___B ___B ___B 6 2 62 1881 1977 - - - .62 .57 .66 .66 - - - - - - - - - - - - - + 7 2 71 1879 1977 - - - .43 .62 .43 .38 - - - - - - - - - - - - - + 8 2 72 1882 1977 - - - .55 .72 .42 .42 - - - - - - - - - - - - - + 9 2 101 1890 1977 - - - .76 .71 .44 .42 - - - - - - - - - - - - - + 10 2 102 1890 1977 - - - .71 .50 .43 .42 - - - - - - - - - - - - - + 11 2 121 1882 1977 - - - .81 .71 .22 .18 - - - - - - - - - - - - - + ___A ___B 12 2 122 1877 1977 - - - .64 .41 .12 .10 - - - - - - - - - - - - - + ___B ___A 13 2 131 1881 1977 - - - .72 .57 .51 .53 - - - - - - - - - - - - - + 14 2 132 1892 1977 - - - .56 .50 .37 .37 - - - - - - - - - - - - - + 15 2 141 1839 1977 - .30 .46 .72 .60 .39 .35 - - - - - - - - - - - - - + ___B 16 2 142 1835 1977 - .45 .59 .72 .74 .41 .38 - - - - - - - - - - - - - + 17 2 151 1888 1977 - - - .53 .39 -.05 -.05 - - - - - - - - - - - - - + ___B ___B 18 2 152 1891 1977 - - - -.13 -.22 -.02 .00 - - - - - - - - - - - - - + ___B ___B ___B ___B 19 2 171 1880 1977 - - - .68 .66 .69 .64 - - - - - - - - - - - - - + 20 2 172 1880 1977 - - - .56 .64 .71 .62 - - - - - - - - - - - - - + 21 2 181 1900 1977 - - - - .11 .35 .36 - - - - - - - - - - - - - + ___B 22 2 182 1900 1977 - - - - .22 .45 .45 - - - - - - - - - - - - - + ___B 23 2 191 1838 1977 - .63 .59 .65 .73 .68 .65 - - - - - - - - - - - - - + 24 2 192 1839 1977 - .80 .78 .75 .71 .53 .51 - - - - - - - - - - - - - + 25 2 201 1876 1977 - - - .68 .80 .72 .67 - - - - - - - - - - - - - + 26 2 202 1877 1977 - - - .64 .81 .68 .64 - - - - - - - - - - - - - + 27 2 221 1877 1977 - - - .80 .70 .25 .22 - - - - - - - - - - - - - + ___A ___A 28 2 222 1877 1977 - - - .75 .73 .55 .48 - - - - - - - - - - - - - + 29 2 231 1845 1977 - .54 .58 .71 .62 .49 .47 - - - - - - - - - - - - - + 30 2 232 1831 1977 - .52 .64 .64 .61 .60 .59 - - - - - - - - - - - - - + 31 2 251 1892 1977 - - - .79 .65 .44 .42 - - - - - - - - - - - - - + 32 2 252 1889 1977 - - - .77 .61 .29 .24 - - - - - - - - - - - - - + ___A ___A 33 2 261 1886 1977 - - - .77 .77 .53 .51 - - - - - - - - - - - - - + 34 2 262 1893 1977 - - - .78 .76 .62 .62 - - - - - - - - - - - - - + 35 2 271 1882 1977 - - - .64 .46 .26 .23 - - - - - - - - - - - - - + ___A ___A 36 2 272 1883 1977 - - - .71 .62 .39 .40 - - - - - - - - - - - - - + 37 2 281 1887 1977 - - - .83 .78 .67 .65 - - - - - - - - - - - - - + 38 2 282 1881 1977 - - - .85 .77 .63 .61 - - - - - - - - - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 15:13 Fri 17 MAR 1995 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- 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 2 11 1845 1977 133 6 0 0.623 0.86 2.31 0.427 0.773 0.239 1.97 0.317 -0.047 1 2 2 12 1834 1977 144 6 0 0.678 0.80 2.82 0.392 0.718 0.241 2.03 0.399 -0.010 1 3 2 41 1809 1977 169 7 0 0.662 0.88 2.09 0.399 0.662 0.261 2.08 0.346 -0.007 1 4 2 42 1804 1977 174 7 0 0.727 0.75 1.82 0.359 0.720 0.250 2.12 0.379 0.006 1 5 2 61 1891 1977 87 4 4 -0.020 1.01 1.93 0.387 0.655 0.249 2.01 0.401 -0.005 1 6 2 62 1881 1977 97 4 0 0.620 0.95 1.95 0.288 0.442 0.220 2.03 0.381 0.042 2 7 2 71 1879 1977 99 4 0 0.403 0.98 2.82 0.609 0.828 0.230 2.23 0.469 0.001 1 8 2 72 1882 1977 96 4 0 0.499 0.80 1.74 0.323 0.550 0.286 2.08 0.390 -0.022 1 9 2 101 1890 1977 88 4 0 0.656 1.34 5.22 0.669 0.713 0.218 1.98 0.372 0.000 1 10 2 102 1890 1977 88 4 0 0.567 0.63 3.13 0.429 0.685 0.280 1.94 0.336 -0.020 1 11 2 121 1882 1977 96 4 2 0.520 0.96 3.96 0.913 0.852 0.225 2.01 0.437 -0.002 1 12 2 122 1877 1977 101 4 2 0.365 1.22 5.39 1.226 0.859 0.235 1.95 0.322 -0.011 1 13 2 131 1881 1977 97 4 0 0.628 1.62 4.77 1.005 0.739 0.240 2.06 0.376 -0.043 1 14 2 132 1892 1977 86 4 0 0.531 1.40 4.43 0.907 0.821 0.188 2.08 0.403 0.030 1 15 2 141 1839 1977 139 6 1 0.446 1.02 3.19 0.531 0.728 0.229 1.99 0.331 0.014 1 16 2 142 1835 1977 143 6 0 0.557 0.75 4.18 0.584 0.915 0.209 1.95 0.358 -0.034 2 17 2 151 1888 1977 90 4 2 0.382 0.98 4.49 0.933 0.888 0.220 2.20 0.495 0.010 1 18 2 152 1891 1977 87 4 4 -0.043 0.90 3.25 0.793 0.911 0.236 2.03 0.400 -0.001 1 19 2 171 1880 1977 98 4 0 0.643 1.04 3.85 0.704 0.729 0.279 2.12 0.354 -0.014 1 20 2 172 1880 1977 98 4 0 0.579 0.91 4.16 0.634 0.604 0.348 2.30 0.478 -0.032 1 21 2 181 1900 1977 78 3 1 0.259 1.14 1.94 0.324 0.514 0.214 2.04 0.348 -0.042 1 22 2 182 1900 1977 78 3 1 0.292 1.06 1.99 0.270 0.352 0.216 1.95 0.308 -0.034 3 23 2 191 1838 1977 140 6 0 0.614 0.97 6.35 0.848 0.882 0.212 2.00 0.379 0.001 1 24 2 192 1839 1977 139 6 0 0.663 0.97 6.21 0.800 0.910 0.215 1.99 0.400 -0.035 1 25 2 201 1876 1977 102 4 0 0.673 1.10 2.16 0.365 0.564 0.241 1.88 0.268 -0.028 2 26 2 202 1877 1977 101 4 0 0.638 1.01 2.90 0.452 0.731 0.210 2.03 0.370 0.035 1 27 2 221 1877 1977 101 4 2 0.539 0.90 3.94 0.654 0.679 0.298 2.24 0.405 -0.025 1 28 2 222 1877 1977 101 4 0 0.626 0.69 2.66 0.505 0.755 0.297 2.21 0.416 0.033 1 29 2 231 1845 1977 133 6 0 0.568 0.71 2.19 0.255 0.712 0.189 2.18 0.401 -0.055 1 30 2 232 1831 1977 147 6 0 0.582 0.86 2.64 0.275 0.528 0.218 2.25 0.351 -0.076 1 31 2 251 1892 1977 86 4 0 0.592 0.66 2.52 0.472 0.803 0.237 2.01 0.362 0.048 1 32 2 252 1889 1977 89 4 2 0.468 0.79 3.23 0.685 0.816 0.222 1.91 0.334 -0.025 1 33 2 261 1886 1977 92 4 0 0.645 0.92 3.86 0.660 0.746 0.229 2.06 0.371 0.027 1 34 2 262 1893 1977 85 4 0 0.695 0.79 2.42 0.518 0.882 0.204 1.93 0.355 0.010 1 35 2 271 1882 1977 96 4 2 0.491 0.89 2.71 0.511 0.720 0.258 2.01 0.412 -0.084 1 36 2 272 1883 1977 95 4 0 0.596 1.07 2.39 0.456 0.589 0.251 2.06 0.338 -0.012 1 37 2 281 1887 1977 91 4 0 0.728 1.59 5.61 1.087 0.814 0.248 2.03 0.444 -0.083 1 38 2 282 1881 1977 97 4 0 0.737 1.36 5.52 1.059 0.692 0.299 1.93 0.346 -0.029 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4061 172 23 0.645 0.96 6.35 0.584 0.727 0.240 2.30 0.376 -0.015