Chronology file name : NONE Measurement file name : NC8.RWL Date checked : 04AUG96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1879 Ending year : 1992 Principal investigators: A.C. BAREFOOT, W.L. HAFLEY Site name : NEW HELL BEAVER TREE FARM Site location : NORTH CAROLINA, USA Species information : PIEC SHORTLEAF PINE Latitude : 3540N Longitude : 2854W Elevation : 88 M Series intercorrelation: 0.411 Avg mean sensitivity : 0.249 Avg standard deviation : 1.594 Avg autocorrelation : 0.772 Number dated series : 34 Segment length tested : 50 Number problem segments: 30 Pct problem segments : 26.55 Are there obvious misdated series? YES Number possible misdated series : 2 Percent misdated series : 5.88 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #8 NHSLF101, #9 NHSLF102 ARE MISDATED #14 NHSLF191, #15 NHSLF192 BOTH ARE POSSIBLY MISDATED FOR 1908-1957 ALL FLAGS = LOW CORRELATIONS WITH MASTER DATA SET COULD BE SIGNIFICANTLY IMPROVED PART 5: CORRELATION OF SERIES BY SEGMENTS: 20:57 Sun 04 AUG 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 NHSLF011 1899 1979 .32B .42B .43 .44 2 NHSLF012 1902 1979 .57 .58 .49 3 NHSLF021 1901 1979 .29B .25B .24B 4 NHSLF022 1900 1901 -1.0B 5 NHSLF022 1910 1979 .44 .38 .38B 6 NHSLF091 1898 1979 .66 .61 .53 .46 7 NHSLF092 1898 1979 .58 .54 .52 .43 8 NHSLF101 1898 1979 -.01B .08B .14B .06B 9 NHSLF102 1898 1979 -.13B-.08B .09B .10B 10 NHSLF131 1900 1979 .44 .49 .50 11 NHSLF132 1900 1978 .43 .33 .32A 12 NHSLF171 1916 1979 .40 .52 .52 13 NHSLF172 1916 1979 .60 .60 .59 14 NHSLF191 1908 1979 .22B .38 .50 15 NHSLF192 1908 1979 .19B .42 .41 16 NHSLF231 1916 1979 .58 .65 .61 17 NHSLF232 1916 1979 .26A .35 .39 18 NHSLF261 1912 1979 .45 .57 .54 19 NHSLF262 1912 1979 .23B .39 .40 20 NHSLF291 1912 1979 .24B .30B .40 21 NHSLF292 1910 1979 .09B .25B .41 22 NHSLF311 1923 1979 .54 .52 .56 23 NHSLF312 1923 1979 .41 .41 .44 24 NHSLF413 1911 1992 .43 .42 .42 25 NHSLF414 1887 1992 .37 .27B .42 .48 26 NHSLF421 1898 1992 .45 .37 .33 .35 27 NHSLF422 1884 1992 .45 .63 .68 .60 28 NHSLF431 1920 1992 .43 .42 .54 29 NHSLF432 1907 1992 .58 .52 .43 30 NHSLF441 1891 1992 .28A .17B .26B .52 31 NHSLF442 1891 1992 .62 .53 .52 .57 32 NHSLF451 1879 1992 .21B .33 .41 .46 33 NHSLF452 1895 1992 .35 .26A .39 .54 34 NHSLFAVE 1879 1992 .44 .83 .96 .93 PART 7: DESCRIPTIVE STATISTICS: 20:57 Sun 04 AUG 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 NHSLF011 1899 1979 81 4 2 0.366 2.06 14.49 2.458 0.959 0.250 1.90 0.414 -0.063 1 2 NHSLF012 1902 1979 78 3 0 0.470 2.40 10.24 1.815 0.917 0.223 2.20 0.397 -0.021 1 3 NHSLF021 1901 1979 79 3 3 0.282 1.93 13.85 2.416 0.930 0.277 2.23 0.440 -0.036 2 4 NHSLF022 1900 1901 2 1 1 -1.000 14.19 17.67 4.921 -9.000 0.490 1.60 0.340 -9.000 0 5 NHSLF022 1910 1979 70 3 1 0.362 1.09 3.69 0.701 0.796 0.314 1.93 0.425 -0.090 2 6 NHSLF091 1898 1979 82 4 0 0.576 1.81 17.48 2.531 0.910 0.280 2.30 0.543 -0.067 1 7 NHSLF092 1898 1979 82 4 0 0.516 1.96 14.42 2.396 0.912 0.242 2.15 0.365 -0.028 1 8 NHSLF101 1898 1979 82 4 4 -0.028 2.43 12.39 2.090 0.902 0.210 1.86 0.307 -0.022 1 9 NHSLF102 1898 1979 82 4 4 -0.026 2.08 11.92 2.020 0.912 0.260 1.86 0.361 -0.052 1 10 NHSLF131 1900 1979 80 3 0 0.495 2.51 9.71 1.519 0.837 0.257 2.04 0.418 -0.099 1 11 NHSLF132 1900 1978 79 3 1 0.314 2.43 8.39 1.164 0.422 0.272 2.64 0.499 -0.009 1 12 NHSLF171 1916 1979 64 3 0 0.465 3.57 16.41 3.829 0.898 0.229 1.90 0.326 -0.081 2 13 NHSLF172 1916 1979 64 3 0 0.528 3.52 17.97 3.710 0.906 0.286 2.16 0.433 0.116 1 14 NHSLF191 1908 1979 72 3 1 0.345 2.87 6.42 1.451 0.796 0.269 2.10 0.450 0.042 1 15 NHSLF192 1908 1979 72 3 1 0.320 2.59 7.78 1.627 0.756 0.267 2.07 0.344 0.070 1 16 NHSLF231 1916 1979 64 3 0 0.598 3.55 11.39 2.385 0.867 0.280 1.96 0.483 -0.005 1 17 NHSLF232 1916 1979 64 3 1 0.324 2.72 12.76 2.456 0.841 0.355 1.86 0.357 -0.033 1 18 NHSLF261 1912 1979 68 3 0 0.442 2.27 14.01 2.031 0.936 0.223 2.10 0.468 -0.069 1 19 NHSLF262 1912 1979 68 3 1 0.288 2.40 13.55 2.327 0.896 0.266 2.14 0.508 0.019 1 20 NHSLF291 1912 1979 68 3 2 0.313 3.46 18.55 2.742 0.898 0.202 2.10 0.416 -0.016 2 21 NHSLF292 1910 1979 70 3 2 0.247 3.37 13.97 2.337 0.921 0.220 1.94 0.277 -0.079 1 22 NHSLF311 1923 1979 57 3 0 0.527 3.94 12.04 2.483 0.892 0.243 2.01 0.327 0.045 1 23 NHSLF312 1923 1979 57 3 0 0.412 3.30 13.99 2.244 0.906 0.225 2.08 0.415 0.069 2 24 NHSLF413 1911 1992 82 3 0 0.427 1.82 4.49 0.630 0.689 0.218 2.19 0.474 0.020 1 25 NHSLF414 1887 1992 106 4 1 0.425 1.59 4.42 0.604 0.710 0.229 2.11 0.387 -0.015 1 26 NHSLF421 1898 1992 95 4 0 0.438 1.44 3.01 0.625 0.788 0.216 1.88 0.276 -0.016 1 27 NHSLF422 1884 1992 109 4 0 0.532 1.69 3.52 0.644 0.601 0.266 2.04 0.293 -0.055 1 28 NHSLF431 1920 1992 73 3 0 0.529 2.45 5.33 0.915 0.648 0.240 2.01 0.464 0.022 1 29 NHSLF432 1907 1992 86 3 0 0.492 2.48 5.40 0.913 0.740 0.228 2.01 0.438 -0.012 1 30 NHSLF441 1891 1992 102 4 3 0.381 2.11 4.04 0.722 0.569 0.271 2.06 0.291 0.012 1 31 NHSLF442 1891 1992 102 4 0 0.564 2.06 3.69 0.720 0.559 0.261 1.86 0.331 -0.014 1 32 NHSLF451 1879 1992 114 4 1 0.331 1.59 2.95 0.533 0.631 0.244 1.96 0.318 -0.014 1 33 NHSLF452 1895 1992 98 4 1 0.451 1.84 3.25 0.580 0.435 0.269 2.11 0.487 0.006 1 34 NHSLFAVE 1879 1992 114 4 0 0.730 2.22 5.98 1.058 0.843 0.163 2.00 0.384 -0.080 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2666 113 30 0.411 2.33 18.55 1.594 0.772 0.249 2.64 0.393 -0.026