Allison Point, Alaska - ak099 Additional Site Information Greg Wiles, Rosanne D'Arrigo, and Gordon Jacoby Notes: Project Title "Synthesis of Three Decades of Research on Tree Growth in Northern Forests in relation to Global Climatic Change" COFECHA output: Chronology file name : AK099.CRN Measurement file name : AK099.RWL Date checked : 08SEP11 Checked by : B. Bauer Beginning year : 1622 Ending year : 1989 Principal investigators: Greg Wiles Rosanne D'Arrigo Gordon Jacoby Site name : Allison Point Site location : Alaska Species information : TSME MOUNTAIN HEMLOCK Latitude : 6104 Longitude : -14621 Elevation : 500M Series intercorrelation: 0.632 Avg mean sensitivity : 0.230 Avg standard deviation : 0.401 Avg autocorrelation : 0.808 Number dated series : 23 Segment length tested : 50 Number problem segments: 6 Pct problem segments : 2.46 PART 5: CORRELATION OF SERIES BY SEGMENTS: Allison Point 16:47 Thu 08 Sep 2011 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 AP13E 1667 1952 .71 .75 .73 .76 .75 .72 .76 .78 .74 .60 .49 .50 2 AP46E 1647 1989 .49 .63 .72 .63 .67 .76 .74 .70 .67 .74 .78 .76 .81 .80 3 AP46NE 1664 1989 .59 .65 .44 .44 .73 .75 .81 .82 .78 .72 .70 .78 .84 4 AP46S 1671 1989 .68 .71 .69 .65 .80 .78 .53 .53 .63 .71 .65 .56 .54 5 AP49E 1675 1989 .50 .66 .77 .75 .75 .76 .75 .80 .78 .71 .76 .76 6 AP14W 1849 1989 .56 .55 .55 .50 .49 .49 7 AP36E 1806 1989 .39B .30B .45 .66 .52 .48 .55 8 AP39N 1709 1989 .41 .59 .59 .64 .69 .61 .63 .48 .22B .43 .57 9 AP47N 1622 1989 .57 .66 .78 .73 .63 .78 .85 .37 .35 .75 .75 .79 .77 .75 10 AP48W 1656 1989 .35 .61 .58 .55 .49 .59 .78 .71 .66 .27B .08B .53 .71 11 AP51E 1685 1989 .65 .72 .60 .69 .74 .64 .63 .67 .56 .54 .68 .75 12 AP51S 1718 1989 .58 .54 .62 .76 .76 .68 .57 .48 .52 .70 .62 13 AP52S 1705 1989 .70 .72 .79 .78 .70 .70 .75 .76 .66 .68 .66 14 AP53E 1784 1989 .69 .47 .49 .70 .74 .67 .66 .67 15 AP53SE 1779 1989 .45 .57 .64 .76 .87 .83 .73 .66 16 AP56S 1680 1968 .45 .58 .53 .60 .68 .67 .68 .58 .52 .60 .63 17 AP59E 1739 1989 .44B .44 .55 .74 .81 .80 .70 .58 .60 .66 18 AP59W 1743 1989 .61 .52 .50 .63 .68 .73 .61 .43 .52 .60 19 AP60N 1741 1989 .78 .79 .81 .78 .80 .83 .84 .78 .76 .71 20 AP61N 1733 1989 .68 .70 .67 .63 .70 .69 .69 .70 .74 .69 21 AP62NW 1710 1948 .58 .56 .64 .54 .40 .46 .46 .56 .66 22 AP63E 1770 1989 .65 .67 .55 .52 .63 .74 .74 .73 .73 23 AP64W 1738 1989 .38 .45 .48 .57 .53 .63 .68 .67 .72 .68 Av segment correlation .53 .60 .65 .62 .61 .66 .67 .63 .63 .68 .65 .60 .65 .67 PART 7: DESCRIPTIVE STATISTICS: Allison Point 16:47 Thu 08 Sep 2011 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 AP13E 1667 1952 286 12 0 .697 .65 1.61 .304 .786 .217 2.57 .325 -.043 3 2 AP46E 1647 1989 343 14 0 .691 .53 1.50 .218 .766 .211 2.50 .347 -.025 3 3 AP46NE 1664 1989 326 13 0 .682 .66 1.39 .221 .707 .192 2.76 .323 -.028 4 4 AP46S 1671 1989 319 13 0 .656 .66 1.30 .207 .667 .205 2.71 .398 -.056 2 5 AP49E 1675 1989 315 12 0 .703 .55 1.65 .285 .808 .267 2.51 .331 -.022 2 6 AP14W 1849 1989 141 6 0 .532 .57 1.43 .319 .810 .290 2.48 .364 -.004 4 7 AP36E 1806 1989 184 7 2 .481 1.41 4.88 .973 .920 .197 2.91 .402 .041 1 8 AP39N 1709 1989 281 11 1 .514 1.03 2.80 .570 .939 .165 2.50 .339 .017 1 9 AP47N 1622 1989 368 14 0 .655 .59 1.70 .250 .699 .259 2.45 .299 .003 1 10 AP48W 1656 1989 334 13 2 .509 .69 2.42 .343 .786 .265 2.61 .321 -.016 4 11 AP51E 1685 1989 305 12 0 .639 1.02 3.17 .681 .912 .220 2.72 .325 .016 1 12 AP51S 1718 1989 272 11 0 .619 .80 3.34 .592 .933 .251 2.66 .439 -.010 3 13 AP52S 1705 1989 285 11 0 .715 .70 2.28 .381 .866 .191 2.53 .312 -.020 4 14 AP53E 1784 1989 206 8 0 .655 .80 1.84 .335 .813 .200 2.61 .365 -.034 2 15 AP53SE 1779 1989 211 8 0 .668 .63 1.89 .312 .822 .237 2.61 .409 .004 1 16 AP56S 1680 1968 289 11 0 .589 .58 1.68 .344 .820 .279 2.64 .361 -.012 3 17 AP59E 1739 1989 251 10 1 .623 .96 2.38 .437 .827 .211 2.61 .388 .005 1 18 AP59W 1743 1989 247 10 0 .578 .74 2.27 .306 .772 .220 2.57 .352 -.020 2 19 AP60N 1741 1989 249 10 0 .775 .63 1.65 .303 .753 .234 2.71 .453 .024 1 20 AP61N 1733 1989 257 10 0 .682 .59 1.92 .353 .818 .266 2.52 .331 -.026 1 21 AP62NW 1710 1948 239 9 0 .541 .80 4.43 .686 .873 .267 2.66 .379 .008 1 22 AP63E 1770 1989 220 9 0 .658 1.10 4.60 .831 .887 .213 2.54 .368 -.016 2 23 AP64W 1738 1989 252 10 0 .562 .71 2.49 .345 .721 .243 2.53 .255 -.050 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6180 244 6 .632 .74 4.88 .401 .808 .230 2.91 .352 -.013