Pleasant Island, Alaska - ak119 Additional Site Information Gregory C. Wiles, Colin R. Mennett, Stephanie K. Jarvis, Rosanne D. D'Arrigo, Nicholas Wiesenberg, and Daniel. E. Lawson Purpose of Collection: Ecology Detrending: Negative exponential or linear regression of any slope Cores Stored at: Wooster Tree Ring Lab Department of Geology The College of Wooster Reference: Wiles, G.C., Mennett, C., Jarvis, S.K.,,Lawson, D. and D'Arrigo, R, 2012, Decline in Alaskan Yellow-Cedar: tree-ring investigations into climatic responses and possible causes: Glacier Bay, Alaska Canadian Journal of Forest Research, 42: 1-6, 2012 doi:10.1139/X2012-028 NOTES: Sampled for Dendroclimate and then used in an assessment of forest health and Yellow Cedar decline. COFECHA output: Chronology file name : AK119.CRN Measurement file name : AK119.RWL Date checked : 16JUL12 Checked by : B. Bauer Beginning year : 1324 Ending year : 2009 Principal investigators: GC Wiles CR Mennett SK Jarvis RD D'Arrigo N Wiesenberg DE Lawson Site name : Pleasant Island Site location : Alaska Species information : CHNO ALASKA YELLOW-CEDAR Latitude : 5821 Longitude : -13534 Elevation : 150M Series intercorrelation: 0.455 Avg mean sensitivity : 0.183 Avg standard deviation : 0.278 Avg autocorrelation : 0.885 Number dated series : 54 Segment length tested : 50 Number problem segments: 127 Pct problem segments : 19.60 PART 5: CORRELATION OF SERIES BY SEGMENTS: Pleasant Island 14:54 Mon 16 Jul 2012 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 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PI01SW 1775 2009 .31A .49 3 PI02NE 1766 2009 .48 .54 .54 4 PI02NW 1669 2009 .53 .48 .39 .38 .41 .34 .36 5 PI02SE 1693 2009 .23B .16A .23B .43 .48 .46 6 PI05NW 1463 1705 .30A .41 .49 .65 .68 .64 .59 .59 .59 .52 7 PI05SW 1524 1712 .52 .52 .48 .35 .48 .60 .52 .14B 9 PI07NW 1500 1729 .40 .58 .53 .54 .69 .58 .50 .60 .53 10 PI07SW 1507 1758 .49 .58 .58 .61 .73 .59 .47 .63 .66 .57 11 PI07SE 1483 1637 .21B .26B .56 .64 .70 .64 13 PI09SWa 1379 2003 .52 .40 .35 .23B .26A .49 .51 .56 .68 .73 .60 .40 .42 .42 .30B .24B .44 .55 16 PI13E 1800 2009 .35 17 PI13W 1750 2009 .29A .55 .39 19 PI15N 1429 1774 .31B .35 .42 .27A .28A .50B .46 .41 .47 .51 .43 .29B .25A 20 PI16NE 1538 2004 .48 .53 .47 .44 .25A .26A .49 .42 .37 .26A .39 .60 21 PI16NW 1525 1924 .29A .59 .59 .41 .42 .44 .40 .55 .57 .39 .20B .30B 22 PI17NW 1364 2009 .45 .46 .39 .48 .40 .34 .44 .53 .56 .50 .55 .42 .32A .63 .69 .56 .37B .52 .67 23 PI17SW 1407 1849 .51 .24A .05B .10B .16A .36 .37 .47 .72 .55 .29B .41 .46 .46 .50 .56 .58 24 PI18NW 1389 2009 .33B .30A .18B .45 .60 .33B .29B .54 .61 .63 .69 .59 .47 .43 .45 .57 .48 .45 25 PI18SW 1525 1799 .32A .53 .57 .67 .71 .50 .51 .66 .54 .50 26 PI19S 1643 1889 .41 .36 .22B .36 .64 .50 .49 .51 27 PI19E 1642 2009 .32A .29A .32A .64 .70 .37 .55 .60 28 PI20NE 1525 2009 .36 .47 .73 .77 .74 .69 .64 .58 .45 .41 .63 .62 29 PI20NW 1324 1849 .56 .46 .47 .55 .59 .64 .53 .31A .36 .39 .68 .82 .65 .65 .74 .66 .66 .63 .60 .37 30 PI20SW 1339 2009 .54 .53 .51 .32A .36 .41 .38 .42 .53 .63 .73 .78 .72 .68 .66 .64 .66 .63 .53 .30A 31 PI21E 1425 1983 .67 .60 .49 .40 .68 .69 .67 .70 .57 .62 .62 .59 .57 .45 .37 .36 32 PI21W 1387 1874 .44 .46 .57 .47 .47 .35 .48 .56 .65 .69 .64 .73 .65 .64 .58 .45 .49 .53 33 PI22E 1547 1776 .32A .36 .45 .50 .48 .37 .32A .27A .42 .44 34 PI23NW 1712 2009 .36 .31A .38 .52 .38 36 PI24E 1561 1930 .33A .27B .46 .41 .14B .30A .56 .66 .65 .44 .33B 37 PI25SW 1625 1825 .38 .39 .37 .52 .52 .37 .54 .54 38 PI26NE 1783 2009 .28A .37 39 PI26SW 1775 2009 .13B .40 42 PI28NE 1575 1815 .24A .52 .50 .46 .75 .71 .36 .23A .28A 43 PI28SW 1523 1774 .30A .21B .24B .49 .44 .52 .65 .74 .69 .37 44 PI29N 1681 2009 .49 .65 .71 .65 .64 .49 45 PI29S 1645 2009 .55 .51 .44 .35 .24B .32A .48 .52 46 PI30NE 1624 1923 .43 .45 .20A .24B .59 .61 .14B .10B .32B 48 PI31SW 1643 2009 .34 .36 .38 .53 .60 .16B .31A .53 49 PI32N 1615 2009 .38 .36 .21B .24A .45 .37 .39 .53 .48 50 PI33NE 1700 2009 .58 .46 .23A .34 .38 51 PI33NW 1785 2009 .50 .45 52 PI34SW 1637 1800 .33B .42 .36 .39 .49 .40 .27B 53 PI36W 1711 2009 .28B .48 .38 .54 .57 Av segment correlation .55 .48 .46 .42 .42 .39 .38 .38 .44 .51 .55 .59 .51 .45 .46 .51 .49 .41 .44 .46 PART 5: CORRELATION OF SERIES BY SEGMENTS: Pleasant Island 14:54 Mon 16 Jul 2012 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 1825 1850 1875 1900 1925 1950 1975 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PI01SW 1775 2009 .25A .29A .39 .44 .45 .50 .50 2 PI01E 1825 2009 .30A .35 .41 .52 .65 .39 .35 3 PI02NE 1766 2009 .49 .63 .63 .44 .33A .50 .53 4 PI02NW 1669 2009 .35 .41 .33B .38 .49 .44 .42 5 PI02SE 1693 2009 .37B .58 .67 .51 .40 .43 .54 8 PI06W 1900 2009 .25A .24B .33A .39 12 PI08NE 1850 1998 .41 .49 .23A .24A .26A 13 PI09SWa 1379 2003 .35 .35 .39 .39 .35B .22B .22B 14 PI11NW 1850 1999 .37B .68 .61 .48 .19A 15 PI11SE 1850 2009 .45 .47 .47 .47 .33 .22A 16 PI13E 1800 2009 .42 .53 .54 .42 .21B .19B .29A 17 PI13W 1750 2009 .21A .33A .45 .44 .27B .30B .40 18 PI14SW 1842 2009 .35 .42 .36 .26B .36 .41 .39 20 PI16NE 1538 2004 .48 .41 .43 .24B .09B .22A .24A 21 PI16NW 1525 1924 .40 .35 .41 22 PI17NW 1364 2009 .55 .49 .52 .51 .58 .56 .51 24 PI18NW 1389 2009 .52 .37 .39 .60 .60 .54 .56 26 PI19S 1643 1889 .53 .27B 27 PI19E 1642 2009 .62 .68 .54 .56 .62 .44 .37B 28 PI20NE 1525 2009 .14B .26A .55 .55 .54 .55 .55 30 PI20SW 1339 2009 .28A .55 .66 .59 .47 .57 .64 31 PI21E 1425 1983 .39 .32A .39 .55 .46 .38 32 PI21W 1387 1874 .45 34 PI23NW 1712 2009 .47 .55 .41B .33 .46 .63 .62 35 PI23S 1825 2009 .46 .60 .53 .46 .57 .64 .61 36 PI24E 1561 1930 .37 .31A .35 .37 38 PI26NE 1783 2009 .41 .54 .53 .58 .51 .60 .79 39 PI26SW 1775 2009 .47 .60 .50 .43 .53 .59 .62 40 PI27NW 1838 2009 .34 .24A .27A .41 .48 .51 .45 41 PI27S 1844 2009 .48 .48 .57 .64 .57 .54 .51 44 PI29N 1681 2009 .29A .45 .70 .74 .52 .39 .38 45 PI29S 1645 2009 .49 .44 .58 .71 .60 .54 .53 46 PI30NE 1624 1923 .22B .42 .59 47 PI31NE 1875 2009 .50 .47 .42 .53 .48 48 PI31SW 1643 2009 .55 .66 .62 .54 .53 .47 .42 49 PI32N 1615 2009 .19A .23B .47 .58 .62 .70 .71 50 PI33NE 1700 2009 .44 .60 .65 .67 .69 .59 .42 51 PI33NW 1785 2009 .32A .23A .41B .48 .45 .48 .46 53 PI36W 1711 2009 .51 .55 .44B .49 .61 .62 .66 54 PI39SW 1850 2009 .31B .53 .54 .32A .47 .66 Av segment correlation .40 .43 .50 .48 .46 .46 .48 PART 7: DESCRIPTIVE STATISTICS: Pleasant Island 14:54 Mon 16 Jul 2012 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 PI01SW 1775 2009 235 9 3 .378 .43 1.11 .223 .945 .150 2.79 .432 -.002 2 2 PI01E 1825 2009 185 7 1 .377 .53 2.40 .374 .930 .168 2.78 .487 -.083 1 3 PI02NE 1766 2009 244 10 1 .495 .65 1.91 .337 .881 .190 2.78 .383 .013 1 4 PI02NW 1669 2009 341 14 1 .393 .84 1.77 .300 .840 .160 2.56 .328 -.033 1 5 PI02SE 1693 2009 317 13 4 .416 .75 1.89 .356 .873 .192 2.61 .400 .012 1 6 PI05NW 1463 1705 243 10 1 .546 .69 1.64 .322 .857 .211 2.44 .346 .006 1 7 PI05SW 1524 1712 189 8 1 .402 .80 1.55 .403 .909 .177 2.54 .398 .032 1 8 PI06W 1900 2009 110 4 3 .296 .58 1.27 .213 .630 .204 2.50 .374 -.131 1 9 PI07NW 1500 1729 230 9 0 .539 .55 .90 .145 .694 .163 2.54 .373 -.007 1 10 PI07SW 1507 1758 252 10 0 .591 .47 .85 .170 .834 .165 2.64 .387 -.029 1 11 PI07SE 1483 1637 155 6 2 .482 .53 .83 .123 .566 .178 2.49 .401 .015 1 12 PI08NE 1850 1998 149 5 3 .292 1.05 4.13 .779 .935 .171 2.72 .337 -.025 2 13 PI09SWa 1379 2003 625 25 7 .424 .21 .84 .142 .931 .228 2.64 .347 -.017 1 14 PI11NW 1850 1999 150 5 2 .375 .32 .86 .175 .899 .210 2.49 .300 -.027 2 15 PI11SE 1850 2009 160 6 1 .287 .35 .73 .173 .914 .168 2.44 .230 -.088 1 16 PI13E 1800 2009 210 8 3 .369 .40 1.25 .208 .828 .215 2.71 .452 -.026 1 17 PI13W 1750 2009 260 10 5 .344 .33 1.50 .202 .880 .211 2.90 .453 .007 2 18 PI14SW 1842 2009 168 7 1 .343 .63 2.08 .384 .923 .168 2.63 .392 -.023 1 19 PI15N 1429 1774 346 13 6 .371 .18 .46 .087 .870 .222 2.73 .420 -.016 2 20 PI16NE 1538 2004 467 19 7 .358 .38 1.56 .285 .898 .225 2.61 .332 -.036 1 21 PI16NW 1525 1924 400 15 3 .409 .44 1.86 .341 .900 .227 2.56 .345 -.065 1 22 PI17NW 1364 2009 646 26 2 .495 .30 2.39 .208 .922 .163 2.73 .383 -.027 1 23 PI17SW 1407 1849 443 17 5 .381 .45 1.56 .262 .910 .176 2.80 .333 -.004 1 24 PI18NW 1389 2009 621 25 5 .480 .44 1.93 .413 .969 .187 2.56 .321 -.001 2 25 PI18SW 1525 1799 275 10 1 .539 .34 1.13 .210 .908 .202 2.62 .356 -.020 1 26 PI19S 1643 1889 247 10 2 .398 .78 2.44 .424 .887 .178 2.73 .366 -.030 1 27 PI19E 1642 2009 368 15 4 .512 .59 1.62 .272 .844 .185 2.68 .375 .000 1 28 PI20NE 1525 2009 485 19 2 .522 .23 .48 .076 .682 .230 2.56 .317 -.021 1 29 PI20NW 1324 1849 526 20 1 .540 .32 1.61 .286 .973 .191 2.69 .389 -.030 1 30 PI20SW 1339 2009 671 27 3 .528 .36 1.69 .281 .943 .220 2.56 .251 -.009 1 31 PI21E 1425 1983 559 22 1 .527 .48 2.48 .477 .961 .179 2.58 .325 -.015 1 32 PI21W 1387 1874 488 19 0 .534 .60 2.11 .558 .965 .181 2.52 .303 -.011 1 33 PI22E 1547 1776 230 10 3 .394 .31 1.08 .188 .895 .205 2.61 .384 -.020 1 34 PI23NW 1712 2009 298 12 2 .452 .47 1.30 .221 .885 .168 2.88 .446 .030 1 35 PI23S 1825 2009 185 7 0 .528 .54 .95 .153 .772 .144 2.65 .426 -.022 1 36 PI24E 1561 1930 370 15 6 .414 .27 .85 .116 .822 .195 2.79 .381 .019 3 37 PI25SW 1625 1825 201 8 0 .440 .52 1.33 .260 .915 .158 2.52 .269 -.012 2 38 PI26NE 1783 2009 227 9 1 .498 .92 1.96 .322 .839 .153 2.73 .494 -.012 1 39 PI26SW 1775 2009 235 9 1 .429 1.07 1.91 .313 .765 .154 2.76 .420 -.019 2 40 PI27NW 1838 2009 172 7 2 .384 .93 1.66 .263 .649 .179 2.66 .382 -.041 1 41 PI27S 1844 2009 166 7 0 .531 .72 1.65 .270 .807 .160 2.68 .361 -.066 3 42 PI28NE 1575 1815 241 9 3 .475 .29 .81 .167 .943 .155 2.61 .350 -.045 1 43 PI28SW 1523 1774 252 10 3 .456 .36 1.02 .167 .907 .156 2.66 .348 -.034 1 44 PI29N 1681 2009 329 13 1 .556 .59 2.02 .375 .913 .184 2.64 .393 -.017 1 45 PI29S 1645 2009 365 15 2 .480 .68 1.77 .307 .890 .162 2.57 .391 -.019 1 46 PI30NE 1624 1923 300 12 6 .393 .25 .65 .111 .904 .162 2.51 .307 -.008 1 47 PI31NE 1875 2009 135 5 0 .462 .34 .92 .190 .866 .203 2.58 .448 -.056 1 48 PI31SW 1643 2009 367 15 2 .458 .31 .82 .107 .875 .134 2.59 .323 -.037 2 PART 7: DESCRIPTIVE STATISTICS: Pleasant Island 14:54 Mon 16 Jul 2012 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 PI32N 1615 2009 395 16 4 .411 .64 2.29 .375 .920 .155 2.68 .384 -.031 3 50 PI33NE 1700 2009 310 12 1 .498 .55 1.71 .357 .951 .152 2.58 .351 -.022 1 51 PI33NW 1785 2009 225 9 3 .416 .62 1.53 .320 .922 .156 2.58 .365 -.006 1 52 PI34SW 1637 1800 164 7 2 .354 .92 1.71 .293 .816 .152 2.69 .416 -.021 1 53 PI36W 1711 2009 299 12 2 .491 .76 1.80 .399 .933 .137 2.75 .505 .012 1 54 PI39SW 1850 2009 160 6 2 .452 .99 2.53 .526 .884 .194 2.49 .406 .018 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 16391 648 127 .455 .49 4.13 .278 .885 .183 2.90 .365 -.018