Sukak Pak, Alaska - ak106 Additional Site Information Gordon Jacoby, Rosanne D'Arrigo, and Brendan Buckley 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 : AK106.CRN Measurement file name : AK106.RWL Date checked : 09SEP11 Checked by : B. Bauer Beginning year : 952 Ending year : 1979 Principal investigators: Gordon Jacoby Rosanne D'Arrigo Brendan Buckley Site name : Sukak Pak Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : 6721 Longitude : -14928 Elevation : M Series intercorrelation: 0.534 Avg mean sensitivity : 0.203 Avg standard deviation : 0.413 Avg autocorrelation : 0.793 Number dated series : 70 Segment length tested : 50 Number problem segments: 63 Pct problem segments : 6.59 PART 5: CORRELATION OF SERIES BY SEGMENTS: Sukak Pak 12:20 Fri 09 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 950 975 1000 1025 1050 1075 1100 1125 1150 1175 1200 1225 1250 1275 1300 1325 1350 1375 1400 1425 999 1024 1049 1074 1099 1124 1149 1174 1199 1224 1249 1274 1299 1324 1349 1374 1399 1424 1449 1474 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 3 asmp1 952 1332 .62 .36 .41 .44 .52 .53 .26A .21A .29B .51 .50 .50 .32A .18B .14B 4 asmp2 952 1316 .62 .36 .41 .44 .52 .53 .39 .38 .22A .41 .43 .59 .57 .28B 5 asmq1 1356 1872 .51 .56 .65 .68 6 asmq2 1356 1870 .53 .64 .69 .56 9 csm1 1103 1453 .72 .59 .61 .57 .43 .44 .31A .12B .24B .31A-.07B .09B .32B .29A 10 CSM2 1103 1415 .58 .64 .48 .48 .34 .33 .28A .06B .12B .20B .38 .40 17 SME1 1294 1861 .43 .44 .46 .42 .45 .51 .48 18 sme2 1311 1857 .41 .40 .44 .42 .61 .63 19 smf1 1360 1863 .36 .68 .65 .64 20 smf2 1370 1830 .48 .51 .61 .47 23 SMH1 1287 1824 .43 .46 .34 .30A .40 .56 .54 24 smh2 1287 1813 .50 .61 .56 .39 .32A .59 .68 25 smI1 1104 1475 .54 .55 .38 .57 .51 .46 .51 .30A .30A .38 .51 .67 .64 .52 26 smI2 1104 1484 .56 .61 .31A .31B .44 .43 .28A .24A .26A .34 .40 .29A .39 .55 29 smk1 1382 1879 .38 .38 .18B 30 smk2 1388 1856 .39 .31A .17B Av segment correlation .62 .36 .41 .44 .52 .53 .51 .49 .38 .47 .44 .46 .38 .28 .33 .37 .39 .44 .53 .49 PART 5: CORRELATION OF SERIES BY SEGMENTS: Sukak Pak 12:20 Fri 09 Sep 2011 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 asmn1 1601 1934 .37 .69 .70 .61 .45 .53 .57 .60 .71 .58 .40 .45 .53 2 asmn2 1601 1931 .47 .60 .57 .39 .42 .70 .72 .67 .60 .46 .48 .66 .65 5 asmq1 1356 1872 .54 .49 .63 .58 .52 .56 .59 .61 .63 .60 .61 .67 .70 .71 .61 .46 6 asmq2 1356 1870 .57 .70 .64 .53 .71 .60 .43 .58 .61 .61 .70 .79 .71 .57 .61 .59 7 asmr1 1635 1804 .56 .55 .58 .48 .49 .49 .43 8 asmr2 1635 1792 .62 .63 .59 .53 .56 .57 11 CSMB1 1611 1877 .47 .51 .44 .37 .62 .61 .52 .34 .37 .40 .44 12 csmb2 1650 1878 .49 .45 .52 .50 .64 .63 .64 .62 .63 13 rsa1 1600 1823 .41 .61 .55 .33 .52 .47 .34 .34B 14 rsa2 1600 1814 .24A .48 .43 .34 .68 .55 .50 .46 15 SMA1 1509 1825 .61 .58 .50 .62 .70 .56 .42 .28A .45 .68 .65 .59 .58 16 sma2 1509 1831 .65 .61 .53 .46 .37 .46 .51 .51 .47 .50 .45 .49 .52 17 SME1 1294 1861 .47 .52 .61 .58 .62 .60 .57 .64 .68 .65 .44 .46 .70 .66 .46 .47 18 sme2 1311 1857 .53 .59 .61 .47 .42 .36 .35 .41 .38 .36 .31A .50 .52 .29B .38 .50 19 smf1 1360 1863 .48 .55 .64 .46 .27A .40 .62 .70 .66 .67 .72 .67 .62 .66 .71 .67 20 smf2 1370 1830 .39 .45 .53 .48 .42 .42B .63 .75 .72 .71 .78 .70 .58 .51 .46 21 smg1 1500 1779 .20A .34 .26A .33 .59 .65 .54 .54 .59 .40 .31A 22 smg2 1490 1799 .30B .33 .46 .43 .48 .62 .63 .66 .63 .45 .56 .51 23 SMH1 1287 1824 .56 .66 .69 .64 .73 .65 .31A .49 .54 .51 .56 .62 .64 .68 24 smh2 1287 1813 .58 .61 .63 .63 .67 .59 .54 .54 .57 .64 .56 .67 .69 .55 25 smI1 1104 1475 .50 26 smI2 1104 1484 .51 27 SMJ1 1562 1814 .55 .62 .71 .67 .64 .75 .72 .71 .67 .62 28 smj2 1562 1817 .41 .58 .77 .61 .56 .53 .49 .55 .48 .40 29 smk1 1382 1879 .28A .51 .71 .79 .47 .41 .58 .63 .60 .53 .46 .39 .39 .46 .53 .47 .50 30 smk2 1388 1856 .29A .41 .59 .58 .38 .45 .41 .46 .50 .47 .54 .43 .29A .28B .34 .40 31 036011 1622 1890 .64 .74 .71 .63 .63 .67 .70 .62 .57 .65 .55 32 036012 1652 1880 .67 .66 .61 .62 .60 .58 .62 .60 .52 33 036021 1600 1979 .49 .51 .58 .65 .79 .77 .72 .68 .76 .73 .64 .84 .84 .73 34 036022 1600 1979 .48 .60 .66 .66 .71 .72 .65 .64 .67 .64 .48 .57 .63 .67 35 036023 1648 1979 .50 .47 .54 .72 .64 .64 .70 .74 .60 .46 .52 .58 .62 36 036024 1648 1979 .48 .49 .55 .60 .50 .42 .57 .73 .60 .49 .78 .73 .60 37 036031 1700 1949 .50 .67 .72 .59 .41 .47 .50 .43 .48 38 036032 1700 1850 .39 .64 .53 .48 .54 .50 39 036041 1540 1978 .55 .53 .56 .56 .70 .73 .68 .66 .57 .49 .57 .62 .55 .51 .58 .68 .59 40 036042 1541 1979 .54 .53 .57 .57 .53 .49 .49 .47 .57 .58 .58 .75 .72 .61 .71 .73 .61 41 036043 1520 1979 .56 .59 .53 .40 .49 .63 .64 .65 .49 .51 .37 .54 .69 .62 .63 .55 .57 .56 42 036052 1750 1979 .78 .67 .63 .64 .51 .71 .80 .68 43 036061 1646 1979 .64 .64 .60 .42 .49 .44 .26A .46 .46 .28A .57 .62 .52 44 036062 1646 1979 .52 .52 .58 .70 .50 .44 .56 .63 .45 .45 .83 .80 .65 45 036082 1600 1824 .38 .47 .41 .31A .51 .65 .65 .58 46 036091 1555 1979 .48 .45 .44 .67 .65 .46 .54 .70 .68 .62 .58 .57 .56 .59 .64 .55 47 036092 1575 1979 .42 .67 .69 .71 .57 .55 .59 .60 .62 .61 .36 .10B .58 .66 .62 48 036093 1555 1979 .37B .49 .60 .61 .59 .64 .72 .66 .55 .58 .71 .61 .34 .55 .66 .37 49 036101 1734 1979 .51 .53 .47 .53 .63 .58 .70 .82 .76 50 036102 1664 1979 .40 .32A .45 .54 .65 .55 .61 .70 .43 .53 .71 .71 51 036111 1705 1979 .52 .49 .46 .49 .42 .30A .30B .50 .56 .56 52 036121 1730 1979 .59 .62 .67 .74 .73 .61 .63 .69 .66 53 036122 1733 1979 .70 .55 .55 .68 .69 .60 .66 .72 .60 54 036131 1566 1950 .57 .60 .50 .66 .73 .57 .45 .58 .54 .47 .44 .38 .44 .66 .65 .67 55 036132 1550 1979 .47 .59 .45 .57 .66 .56 .46 .56 .58 .56 .50 .50 .55 .44 .41 .42 56 036133 1583 1950 .53 .62 .63 .57 .41 .52 .66 .64 .54 .48 .42 .51 .47 .38 .40 57 036134 1570 1979 .49 .46 .44 .47 .56 .66 .71 .71 .73 .53 .24A .31A .46 .66 .57 .56 58 036212 1800 1979 .61 .49 .43 .60 .66 .57 59 036222 1625 1949 .61 .67 .63 .58 .62 .66 .67 .58 .60 .62 .67 .67 60 036231 1625 1979 .55 .64 .60 .55 .63 .64 .57 .61 .48 .19A .42 .70 .45 61 036232 1641 1979 .58 .70 .73 .62 .62 .58 .63 .67 .54 .46 .36 .45 .58 62 036261 1658 1979 .60 .66 .52 .43 .46 .60 .61 .57 .44 .49 .63 .67 63 036262 1659 1979 .61 .59 .42 .48 .56 .53 .47 .39 .24B .40 .58 .46 64 036271 1713 1979 .60 .54 .59 .60 .69 .70 .52 .48 .49 .44 65 036272 1713 1942 .54 .56 .60 .57 .64 .67 .55 .65 .72 66 036291 1633 1976 .57 .61 .55 .63 .63 .67 .55 .41 .36 .34 .65 .66 .46 67 036292 1633 1979 .36 .44 .50 .59 .63 .70 .58 .46 .40 .38 .66 .69 .52 68 036293 1615 1979 .59 .64 .66 .52 .56 .51 .43 .52 .56 .55 .34 .68 .75 .50 69 036294 1617 1979 .54 .53 .61 .62 .57 .61 .52 .55 .58 .42 .19B .32A .58 .54 70 036663 1600 1829 .37 .67 .64 .50 .54 .69 .59 .34 .40 Av segment correlation .48 .53 .58 .55 .49 .51 .52 .58 .59 .55 .56 .59 .57 .55 .57 .54 .46 .58 .64 .57 PART 5: CORRELATION OF SERIES BY SEGMENTS: Sukak Pak 12:20 Fri 09 Sep 2011 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 1950 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 33 036021 1600 1979 .70 34 036022 1600 1979 .65 35 036023 1648 1979 .56 36 036024 1648 1979 .60 39 036041 1540 1978 .60 40 036042 1541 1979 .65 41 036043 1520 1979 .56 42 036052 1750 1979 .66 43 036061 1646 1979 .56 44 036062 1646 1979 .68 46 036091 1555 1979 .48 47 036092 1575 1979 .61 48 036093 1555 1979 .39 49 036101 1734 1979 .75 50 036102 1664 1979 .69 51 036111 1705 1979 .56 52 036121 1730 1979 .64 53 036122 1733 1979 .61 55 036132 1550 1979 .47 57 036134 1570 1979 .55 58 036212 1800 1979 .55 60 036231 1625 1979 .50 61 036232 1641 1979 .59 62 036261 1658 1979 .63 63 036262 1659 1979 .48 64 036271 1713 1979 .50 66 036291 1633 1976 .47 67 036292 1633 1979 .47 68 036293 1615 1979 .52 69 036294 1617 1979 .53 Av segment correlation .57 PART 7: DESCRIPTIVE STATISTICS: Sukak Pak 12:20 Fri 09 Sep 2011 Page 12 ----------------------------------------------------------------------------------------------------------------------------------- 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 asmn1 1601 1934 334 13 0 .519 .21 .41 .062 .704 .176 2.61 .291 .005 1 2 asmn2 1601 1931 331 13 0 .565 .17 .42 .055 .652 .209 2.61 .352 -.012 1 3 asmp1 952 1332 381 15 6 .397 .18 .52 .091 .858 .207 2.65 .385 -.038 1 4 asmp2 952 1316 365 14 2 .437 .17 .52 .071 .775 .210 2.82 .426 -.010 1 5 asmq1 1356 1872 517 20 0 .587 .28 .66 .112 .749 .226 2.71 .329 -.022 1 6 asmq2 1356 1870 515 20 0 .608 .25 .57 .086 .673 .216 2.76 .384 -.036 1 7 asmr1 1635 1804 170 7 0 .503 .42 1.50 .374 .933 .268 2.67 .458 -.003 1 8 asmr2 1635 1792 158 6 0 .585 .45 1.61 .331 .907 .244 2.50 .409 .012 1 9 csm1 1103 1453 351 14 8 .363 .13 .64 .083 .854 .227 2.71 .422 -.007 2 10 CSM2 1103 1415 313 12 4 .369 .12 .54 .071 .831 .235 2.62 .359 -.044 1 11 CSMB1 1611 1877 267 11 0 .455 .20 .68 .075 .709 .197 2.78 .438 -.038 2 12 csmb2 1650 1878 229 9 0 .561 .22 .45 .072 .780 .170 2.82 .465 -.003 1 13 rsa1 1600 1823 224 8 1 .433 .24 .61 .130 .900 .190 2.84 .477 -.039 1 14 rsa2 1600 1814 215 8 1 .426 .21 .56 .067 .665 .197 2.75 .406 -.016 1 15 SMA1 1509 1825 317 13 1 .557 .20 .59 .078 .734 .200 3.02 .486 -.070 1 16 sma2 1509 1831 323 13 0 .516 .17 .42 .058 .677 .197 2.77 .384 -.013 3 17 SME1 1294 1861 568 23 0 .537 .19 .55 .080 .797 .212 2.75 .431 -.004 3 18 sme2 1311 1857 547 22 2 .457 .19 .51 .083 .798 .223 2.74 .377 -.011 1 19 smf1 1360 1863 504 20 1 .592 .19 .42 .072 .822 .185 2.41 .199 -.009 1 20 smf2 1370 1830 461 19 1 .539 .16 .33 .053 .784 .175 2.55 .327 -.013 1 21 smg1 1500 1779 280 11 3 .393 .14 .31 .046 .728 .200 2.56 .386 -.010 2 22 smg2 1490 1799 310 12 1 .490 .14 .41 .050 .726 .208 2.60 .328 -.005 1 23 SMH1 1287 1824 538 21 2 .550 .20 .62 .090 .706 .267 2.92 .433 .003 1 24 smh2 1287 1813 527 21 1 .564 .20 .75 .090 .682 .257 2.67 .314 -.022 1 25 smI1 1104 1475 372 15 2 .476 .18 .46 .061 .644 .211 2.62 .360 .016 1 26 smI2 1104 1484 381 15 6 .381 .15 .43 .067 .809 .206 2.68 .298 .004 1 27 SMJ1 1562 1814 253 10 0 .649 .27 .61 .094 .735 .191 2.84 .457 -.029 2 28 smj2 1562 1817 256 10 0 .494 .24 .80 .122 .875 .194 2.54 .312 -.043 1 29 smk1 1382 1879 498 20 2 .479 .20 .61 .088 .818 .188 2.72 .385 -.021 1 30 smk2 1388 1856 469 19 5 .402 .16 .55 .085 .893 .198 2.71 .336 -.044 1 31 036011 1622 1890 269 11 0 .635 2.30 7.70 1.047 .758 .231 2.81 .375 -.023 1 32 036012 1652 1880 229 9 0 .603 2.64 6.70 1.232 .759 .230 2.83 .474 -.007 1 33 036021 1600 1979 380 15 0 .701 .30 .81 .143 .906 .165 2.64 .365 -.018 1 34 036022 1600 1979 380 15 0 .625 2.86 8.40 1.194 .795 .199 2.77 .401 .039 1 35 036023 1648 1979 332 14 0 .575 2.55 5.80 .782 .763 .165 2.63 .366 -.046 1 36 036024 1648 1979 332 14 0 .592 3.18 8.20 1.493 .886 .167 2.62 .337 .000 1 37 036031 1700 1949 250 9 0 .515 .20 .43 .080 .864 .171 2.66 .446 -.032 2 38 036032 1700 1850 151 6 0 .479 .12 .41 .052 .830 .183 2.56 .382 -.025 1 39 036041 1540 1978 439 18 0 .588 .18 .64 .068 .803 .175 2.69 .359 -.038 1 40 036042 1541 1979 439 18 0 .591 .18 .45 .061 .661 .206 2.67 .297 -.009 1 41 036043 1520 1979 460 19 0 .551 .19 .59 .063 .650 .197 2.71 .332 -.027 1 42 036052 1750 1979 230 9 0 .685 .24 .54 .069 .683 .180 2.62 .404 .002 1 43 036061 1646 1979 334 14 2 .499 1.92 5.70 .816 .758 .205 2.85 .478 -.029 1 44 036062 1646 1979 334 14 0 .602 2.76 6.90 1.032 .805 .177 2.61 .359 -.021 1 45 036082 1600 1824 225 8 1 .486 .15 .48 .072 .819 .203 2.80 .430 -.048 1 46 036091 1555 1979 425 17 0 .558 .21 .66 .112 .909 .190 2.64 .359 -.008 2 47 036092 1575 1979 405 16 1 .548 .22 .56 .111 .890 .199 2.52 .269 -.027 1 48 036093 1555 1979 425 17 1 .544 .22 .84 .117 .882 .209 2.70 .432 -.019 1 PART 7: DESCRIPTIVE STATISTICS: Sukak Pak 12:20 Fri 09 Sep 2011 Page 13 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 036101 1734 1979 246 10 0 .636 3.01 7.40 1.349 .915 .151 2.54 .358 -.047 1 50 036102 1664 1979 316 13 1 .566 2.81 8.40 1.078 .754 .191 2.63 .332 -.020 2 51 036111 1705 1979 275 11 2 .466 2.34 10.90 1.535 .885 .204 2.70 .436 -.011 1 52 036121 1730 1979 250 10 0 .647 5.40 15.90 2.539 .833 .172 2.90 .467 -.019 1 53 036122 1733 1979 247 10 0 .627 2.97 7.80 1.196 .783 .187 2.75 .491 -.036 1 54 036131 1566 1950 385 16 0 .551 .13 .39 .052 .800 .194 2.53 .308 -.006 1 55 036132 1550 1979 430 17 0 .511 2.31 16.20 1.768 .927 .210 2.54 .270 -.002 1 56 036133 1583 1950 368 15 0 .506 1.28 4.10 .598 .856 .203 2.70 .375 -.005 1 57 036134 1570 1979 410 17 2 .539 2.51 10.60 1.653 .901 .212 2.62 .350 -.037 1 58 036212 1800 1979 180 7 0 .571 .14 .39 .062 .687 .267 2.75 .512 .014 1 59 036222 1625 1949 325 12 0 .625 .23 1.32 .147 .907 .189 2.63 .425 .003 1 60 036231 1625 1979 355 14 1 .521 .18 .69 .101 .831 .227 2.96 .410 -.028 2 61 036232 1641 1979 339 14 0 .558 2.92 7.70 1.118 .637 .244 2.84 .472 .001 3 62 036261 1658 1979 322 13 0 .551 1.79 5.90 .871 .832 .200 2.63 .368 -.006 1 63 036262 1659 1979 321 13 1 .472 2.30 8.70 1.254 .888 .200 2.65 .371 -.014 2 64 036271 1713 1979 267 11 0 .542 3.33 11.50 2.268 .953 .156 2.55 .373 -.052 1 65 036272 1713 1942 230 9 0 .623 3.80 12.90 2.497 .948 .172 2.60 .433 -.054 1 66 036291 1633 1976 344 14 0 .548 .26 .84 .113 .832 .196 2.71 .436 -.037 1 67 036292 1633 1979 347 14 0 .534 .30 .84 .115 .772 .178 2.79 .342 -.018 1 68 036293 1615 1979 365 15 0 .565 .25 .53 .088 .722 .199 2.99 .365 -.006 1 69 036294 1617 1979 363 15 2 .495 .27 .58 .095 .828 .166 2.54 .316 -.042 1 70 036663 1600 1829 230 9 0 .526 .10 .22 .040 .583 .316 2.74 .385 -.042 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 23928 956 63 .534 .85 16.20 .413 .793 .203 3.02 .376 -.018