Chronology file name : ME027.CRN Measurement file name : ME027.RWL Date checked : 31JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1872 Ending year : 1994 Principal investigators: A.E.S. HAGER, W.H. LIVINGSTON, A.S. WHITE Site name : PORTAGE Site location : MAINE, USA Species information : FRNI BLACK ASH Latitude : 4673N Longitude : 6847W Elevation : 250 M Series intercorrelation: 0.635 Avg mean sensitivity : 0.300 Avg standard deviation : 0.447 Avg autocorrelation : 0.718 Number dated series : 37 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 4.59 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 HIGH QUALITY CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:04 Wed 31 JUL 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 1850 1875 1900 1925 1950 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 02-01A 1906 1994 .84 .76 .72 2 02-01B 1905 1994 .82 .72 .59 3 02-02A 1901 1994 .66 .65 .64 4 02-02B 1903 1994 .66 .63 .54 5 02-03A 1915 1994 .83 .73 .69 6 02-03B 1914 1994 .86 .84 .77 7 02-04A 1908 1994 .86 .79 .80 8 02-04B 1908 1994 .78 .79 .70 9 02-05A 1901 1994 .76 .73 .46 10 02-06A 1912 1994 .75 .64 .52 11 02-08A 1926 1994 .39 .60 12 02-08B 1912 1994 .69 .65 .65 13 02-09A 1916 1994 .79 .89 .79 14 02-09B 1922 1994 .85 .84 .73 15 02-10A 1910 1994 .76 .82 .68 16 02-11A 1916 1994 .27A .25B .53 17 02-11B 1913 1994 .39 .40 .55 18 02-12A 1933 1994 .59 .47 19 02-12B 1927 1994 .55 .39 20 02-13A 1873 1994 .86 .86 .47 .34B .53 21 02-13B 1872 1994 .88 .89 .51 .38 .49 22 02-14A 1881 1994 .71 .43 .32A .51 23 02-14D 1922 1994 .58 .53 .63 24 02-15A 1881 1994 .71 .73 .37 .40B 25 02-15B 1948 1994 .35 26 02-16A 1918 1994 .62 .75 .80 27 02-16A 1923 1994 .69 .71 .73 28 02-16B 1910 1994 .80 .75 .71 29 02-17A 1923 1994 .51 .55 .52 30 02-17B 1919 1994 .70 .65 .74 31 02-19A 1926 1994 .64 .65 32 02-19B 1921 1994 .66 .66 .72 33 02-20A 1913 1994 .79 .78 .77 34 02-20B 1927 1994 .83 .76 35 02-20D 1897 1994 .67 .73 .79 .75 36 02-21A 1957 1994 .66 37 02-21C 1918 1994 .43 .46 .57 PART 7: DESCRIPTIVE STATISTICS: 23:04 Wed 31 JUL 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 02-01A 1906 1994 89 3 0 0.755 0.94 2.42 0.565 0.793 0.246 2.07 0.366 -0.005 1 2 02-01B 1905 1994 90 3 0 0.696 1.01 2.30 0.547 0.776 0.276 2.03 0.440 0.038 1 3 02-02A 1901 1994 94 3 0 0.663 0.51 1.47 0.285 0.584 0.347 2.12 0.455 -0.030 1 4 02-02B 1903 1994 92 3 0 0.600 0.44 1.18 0.243 0.697 0.331 2.16 0.496 -0.039 2 5 02-03A 1915 1994 80 3 0 0.750 0.68 1.76 0.322 0.608 0.298 2.18 0.362 0.012 1 6 02-03B 1914 1994 81 3 0 0.802 0.70 1.40 0.277 0.650 0.266 1.79 0.268 -0.045 1 7 02-04A 1908 1994 87 3 0 0.817 1.70 4.00 0.961 0.746 0.273 1.99 0.318 0.018 1 8 02-04B 1908 1994 87 3 0 0.707 1.26 3.14 0.781 0.724 0.308 2.04 0.401 -0.026 2 9 02-05A 1901 1994 94 3 0 0.584 0.68 1.87 0.378 0.654 0.309 2.16 0.359 0.015 1 10 02-06A 1912 1994 83 3 0 0.664 0.91 2.30 0.496 0.788 0.245 2.26 0.368 -0.008 1 11 02-08A 1926 1994 69 2 0 0.439 0.72 2.51 0.429 0.493 0.381 2.32 0.571 0.038 2 12 02-08B 1912 1994 83 3 0 0.632 0.56 1.63 0.364 0.565 0.386 2.12 0.425 0.029 1 13 02-09A 1916 1994 79 3 0 0.746 0.66 1.89 0.434 0.651 0.384 2.00 0.331 -0.025 1 14 02-09B 1922 1994 73 3 0 0.760 0.64 1.70 0.351 0.640 0.314 2.03 0.375 -0.022 1 15 02-10A 1910 1994 85 3 0 0.675 0.60 2.29 0.470 0.787 0.362 2.28 0.339 -0.030 1 16 02-11A 1916 1994 79 3 2 0.382 0.74 2.37 0.548 0.862 0.252 2.22 0.354 0.000 1 17 02-11B 1913 1994 82 3 0 0.471 0.73 2.73 0.568 0.793 0.290 2.43 0.568 -0.023 1 18 02-12A 1933 1994 62 2 0 0.530 1.23 2.94 0.704 0.732 0.325 2.16 0.359 0.031 2 19 02-12B 1927 1994 68 2 0 0.487 0.82 1.84 0.469 0.655 0.345 2.06 0.459 -0.061 1 20 02-13A 1873 1994 122 5 1 0.640 0.63 2.86 0.464 0.759 0.319 2.02 0.328 -0.032 1 21 02-13B 1872 1994 123 5 0 0.626 0.50 2.10 0.368 0.745 0.320 2.10 0.349 -0.011 1 22 02-14A 1881 1994 114 4 1 0.504 0.46 1.93 0.271 0.655 0.318 2.08 0.310 0.047 1 23 02-14D 1922 1994 73 3 0 0.587 0.41 1.25 0.219 0.560 0.286 2.48 0.481 -0.101 1 24 02-15A 1881 1994 114 4 1 0.555 0.80 2.00 0.470 0.763 0.315 2.14 0.410 0.021 1 25 02-15B 1948 1994 47 1 0 0.354 1.39 3.34 0.737 0.778 0.253 1.90 0.298 0.040 1 26 02-16A 1918 1994 77 3 0 0.647 0.96 2.19 0.492 0.854 0.226 1.97 0.339 -0.047 1 27 02-16A 1923 1994 72 3 0 0.708 0.81 1.93 0.409 0.824 0.217 1.79 0.264 -0.025 1 28 02-16B 1910 1994 85 3 0 0.751 0.96 2.63 0.504 0.832 0.236 2.15 0.402 0.007 2 29 02-17A 1923 1994 72 3 0 0.524 0.66 1.81 0.348 0.598 0.347 2.23 0.523 -0.062 2 30 02-17B 1919 1994 76 3 0 0.694 0.63 1.45 0.317 0.647 0.311 2.03 0.421 -0.045 1 31 02-19A 1926 1994 69 2 0 0.613 1.18 2.89 0.604 0.754 0.278 1.97 0.467 0.014 1 32 02-19B 1921 1994 74 3 0 0.652 1.03 2.41 0.515 0.713 0.295 2.02 0.437 0.009 1 33 02-20A 1913 1994 82 3 0 0.770 0.74 1.87 0.379 0.757 0.282 1.90 0.373 -0.005 1 34 02-20B 1927 1994 68 2 0 0.753 0.82 1.72 0.418 0.806 0.260 1.83 0.380 0.009 1 35 02-20D 1897 1994 98 4 0 0.702 0.76 2.04 0.475 0.802 0.325 1.85 0.321 -0.040 1 36 02-21A 1957 1994 38 1 0 0.664 0.53 1.02 0.251 0.754 0.223 2.54 0.531 0.019 1 37 02-21C 1918 1994 77 3 0 0.476 0.49 1.04 0.207 0.723 0.253 2.12 0.437 0.076 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3038 109 5 0.635 0.78 4.00 0.447 0.718 0.300 2.54 0.393 -0.007