Chronology file name : NONE Measurement file name : ME009.RWL Date checked : 31JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1667 Ending year : 1977 Principal investigators: LAURA E. CONKEY Site name : ELEPHANT MOUNTAIN Site location : MAINE, USA Species information : PCRU RED SPRUCE Latitude : 4446N Longitude : 7046W Elevation : 930 M Series intercorrelation: 0.164 Avg mean sensitivity : 0.318 Avg standard deviation : 0.147 Avg autocorrelation : 0.662 Number dated series : 8 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 4.65 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 NEEDS MORE SERIES, BUT EXCELLENT DATING PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:03 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 856011 1743 1976 .46 .49 .63 .67 .68 .63 .58 .52 .48 .48 2 856012 1671 1976 .14B .20B .36 .41 .48 .63 .54 .58 .60 .60 .57 .45 .53 3 856022 1690 1976 .49 .54 .38B .43 .64 .65 .77 .80 .68 .65 .64 .66 4 856021 1691 1976 .53 .55 .63 .55 .69 .78 .77 .84 .66 .49 .51 .47 5 856023 1738 1976 .59 .59 .71 .75 .75 .81 .71 .65 .69 .70 6 856031 1739 1976 .55 .60 .69 .75 .76 .78 .76 .62 .65 .70 7 856032 1681 1976 -.01B .35 .55 .56 .63 .68 .65 .68 .67 .70 .78 .79 8 856041 1808 1976 .68 .61 .68 .65 .65 .53 .56 PART 7: DESCRIPTIVE STATISTICS: 23:03 Wed 31 JUL 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 856011 1743 1976 234 10 0 0.561 0.30 1.36 0.221 0.729 0.291 2.28 0.391 0.000 1 2 856012 1671 1976 306 13 2 0.474 0.23 1.48 0.166 0.525 0.349 2.35 0.349 -0.043 1 3 856022 1690 1976 287 12 1 0.622 0.13 0.77 0.083 0.735 0.328 2.07 0.366 -0.016 1 4 856021 1691 1976 286 12 0 0.618 0.18 0.63 0.104 0.673 0.333 2.10 0.354 -0.022 2 5 856023 1738 1976 239 10 0 0.700 0.15 0.55 0.111 0.700 0.408 2.09 0.394 -0.022 2 6 856031 1739 1976 238 10 0 0.692 0.24 0.60 0.101 0.527 0.305 2.17 0.394 -0.025 1 7 856032 1681 1976 296 12 1 0.543 0.21 1.20 0.165 0.689 0.349 2.31 0.378 0.003 1 8 856041 1808 1976 169 7 0 0.626 0.33 1.12 0.227 0.634 0.427 2.37 0.485 -0.022 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7515 86 4 0.164 0.24 1.48 0.147 0.662 0.318 3.63 0.366 0.008