Beartrack, Alaska - ak127 Additional Site Information Greg Wiles Stephanie Jarvis Rosanne D'Arrigo Purpose of Collection: Climatology - temperature analyses Detrending: Negative exponential or linear regression of any slope Cores Stored at: Wooster Tree Ring Lab Department of Geology The College of Wooster Reference: Jarvis, S.K., Wiles, G.C., Appleton, S.N., D'Arrigo, R.D. and Lawson, D.E. 2013. A warming-induced biome shift detected in tree growth of Mountain Hemlock (Tsuga mertensiana (Bong.) Carriere) along the Gulf of Alaska. Arctic, Antarctic and Alpine Research, Vol. 45, No. 2, pp. 211-218. DOI: 10.1657/1938-4246-45.211. COFECHA output: Chronology file name : AK127.CRN Measurement file name : AK127.RWL Date checked : 22MAY13 Checked by : B. Bauer Beginning year : 1535 Ending year : 2005 Principal investigators: Greg Wiles Stephanie Jarvis Rosanne D'Arrigo Site name : Beartrack Site location : Alaska Species information : TSME MOUNTAIN HEMLOCK Latitude : 5837 Longitude : -13552 Elevation : 450M Series intercorrelation: 0.544 Avg mean sensitivity : 0.249 Avg standard deviation : 1.730 Avg autocorrelation : 0.789 Number dated series : 38 Segment length tested : 50 Number problem segments: 38 Pct problem segments : 8.03 PART 5: CORRELATION OF SERIES BY SEGMENTS: Beartrack 09:18 Wed 22 May 2013 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 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BT01NE 1880 2005 .54 .41 .46 .38 .38 2 BT02NE 1812 2005 .45 .35 .36 .44 .23A .25B .45 .46 3 BT03NE 1577 2005 .51 .59 .68 .78 .79 .66 .74 .71 .31A .22B .20B .35 .49 .61 .44 .12B .17B 4 BT03SE 1591 1813 .58 .53 .67 .75 .81 .60 .63 .60 .56 5 BT04SW 1724 2005 .62 .65 .53 .20B .25B .33A .49 .55 .61 .67 .49 .47 6 BT05NE 1586 2005 .42 .31A .46 .52 .58 .44 .58 .68 .37 .26B .41 .54 .40 .40 .48 .41 .44 7 BT06NW 1730 2005 .50 .59 .56 .52 .48 .58 .48 .51 .70 .59 .65 8 BT07SW 1603 2005 .53 .53 .63 .68 .57 .56 .72 .69 .53 .63 .83 .68 .54 .44 .37 .39 9 bt07ne 1668 2005 .75 .76 .70 .65 .65 .51 .46 .58 .64 .63 .58 .47 .45 .46 10 BT08 1611 1997 .65 .57 .60 .77 .75 .79 .62 .43 .49 .19B .01B .26A .58 .66 .58 11 BT08SW 1588 1997 .79 .77 .69 .71 .79 .64 .62 .66 .55 .59 .52 .46 .43 .52 .68 .56 12 BT09NW* 1571 2005 .70 .69 .52 .52 .68 .70 .81 .91 .82 .51 .33 .51 .66 .57 .56 .67 .58 .50 13 BT09SW 1569 2005 .69 .64 .55 .54 .67 .58 .57 .78 .68 .54 .51 .55 .63 .52 .50 .72 .73 .77 14 BT10NE 1664 1997 .22B .33A .51 .77 .71 .61 .53 .56 .62 .54 .47 .28A .13B 15 BT12NE* 1704 2005 .35B .47 .51 .49 .66 .60 .52 .55 .62 .75 .69 .66 16 bt12sw 1740 2005 .60 .65 .48 .52 .36 .46 .74 .68 .59 .45 .43 17 BT13SW 1797 2005 .57 .62 .56 .46 .51 .54 .61 .57 .61 18 BT14SW 1784 2005 .62 .54 .53 .82 .84 .70 .73 .49 .53 19 BT15SW* 1654 2005 .67 .77 .79 .74 .64 .58 .67 .69 .74 .63 .68 .75 .68 .70 20 bt16sw 1837 2005 .70 .77 .85 .73 .74 .74 .76 21 BT17SW 1838 2005 .42 .34 .45 .46 .49 .39 .41 22 BT17 1826 1997 .53 .74 .61 .44 .54 .51 23 BT19 1722 2000 .35B .45 .60 .48 .45 .60 .70 .57 .34 .42 .46 .49 24 BT31 1817 2005 .37 .33 .56 .71 .53 .43 .48 .54 25 BT31.1 1743 2005 .57 .67 .70 .53 .43 .64 .66 .50 .47 .46 .52 26 BT32 1682 2005 .15B .44 .56 .31B .17B .59 .67 .68 .69 .66 .75 .61 .60 27 BT32.1 1822 2005 .49 .49 .47 .64 .45 .36 .41 .46 28 BT33 1770 2004 .63 .68 .60 .59 .76 .77 .55 .62 .75 .64 29 BT33.1 1582 2005 .41 .28B .32B .48 .65 .42 .53 .73 .75 .65 .68 .77 .69 .67 .70 .64 .69 30 BT34 1535 1991 .58 .62 .59 .52 .61 .62 .52 .60 .59 .15A .23A .64 .57 .47 .48 .49 .36 31 BT41* 1729 2005 .46 .65 .63 .53 .50 .73 .60 .26A .36 .35 .35 32 BT42SE 1676 2005 .68 .55 .51 .40 .24B .39 .40 .57 .59 .56 .62 .52 .51 33 BT42NW 1635 2005 .54 .63 .61 .59 .39 .32A .44 .44 .52 .68 .64 .54 .65 .67 .68 34 BT43NW 1646 2004 .34 .44 .64 .58 .47 .34 .49 .65 .35 .38 .56 .38B .45 .37 .37 35 BT44NE 1680 2005 .59 .67 .58 .58 .65 .70 .61 .65 .69 .65 .70 .72 .76 36 BT44S 1587 2003 -.04B .02B .23B .63 .57 .34 .45 .70 .64 .56 .55 .66 .73 .65 .72 .78 .78 37 BT45SW* 1583 2005 .60 .52 .52 .71 .73 .68 .72 .42 .32A .52 .49 .56 .32A .33 .66 .61 .66 38 bt45n 1623 1919 .46 .49 .73 .80 .67 .56 .57 .54 .39 .29A .51 .42 Av segment correlation .66 .52 .49 .51 .62 .65 .58 .60 .60 .50 .49 .50 .58 .58 .53 .57 .52 .54 PART 7: DESCRIPTIVE STATISTICS: Beartrack 09:18 Wed 22 May 2013 Page 10 ----------------------------------------------------------------------------------------------------------------------------------- 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 BT01NE 1880 2005 126 5 0 .429 7.76 14.97 2.875 .757 .198 2.57 .436 .001 1 2 BT02NE 1812 2005 194 8 2 .376 9.99 30.96 6.018 .766 .326 2.48 .319 -.014 1 3 BT03NE 1577 2005 429 17 5 .523 4.06 12.07 2.621 .884 .248 2.63 .347 -.020 4 4 BT03SE 1591 1813 223 9 0 .619 5.86 12.44 2.165 .703 .228 2.64 .483 -.076 2 5 BT04SW 1724 2005 282 12 3 .496 .30 1.85 .211 .858 .277 2.72 .372 -.026 2 6 BT05NE 1586 2005 420 17 2 .457 5.40 18.69 2.722 .799 .262 2.77 .372 -.030 1 7 BT06NW 1730 2005 276 11 0 .527 4.25 12.62 1.413 .579 .224 2.82 .472 .038 1 8 BT07SW 1603 2005 403 16 0 .591 5.11 15.45 2.587 .754 .270 2.59 .344 -.035 2 9 bt07ne 1668 2005 338 14 0 .578 6.77 22.13 3.622 .800 .251 2.69 .350 .012 1 10 BT08 1611 1997 387 15 3 .530 .47 1.86 .408 .939 .222 2.45 .303 -.027 1 11 BT08SW 1588 1997 410 16 0 .626 .38 1.82 .332 .924 .269 2.60 .379 -.023 1 12 BT09NW* 1571 2005 435 18 0 .602 .51 1.08 .193 .755 .217 2.46 .314 -.022 1 13 BT09SW 1569 2005 437 18 0 .605 4.94 13.08 1.795 .701 .217 2.70 .286 -.021 1 14 BT10NE 1664 1997 334 13 4 .454 .34 1.46 .292 .869 .302 2.62 .338 -.043 1 15 BT12NE* 1704 2005 302 12 1 .549 .54 1.54 .239 .777 .222 2.71 .399 -.030 6 16 bt12sw 1740 2005 266 11 0 .531 4.74 12.10 1.937 .668 .254 2.66 .460 .002 1 17 BT13SW 1797 2005 209 9 0 .566 7.84 26.88 3.941 .821 .221 2.61 .318 .049 1 18 BT14SW 1784 2005 222 9 0 .642 9.22 16.96 2.331 .705 .153 2.61 .417 .041 1 19 BT15SW* 1654 2005 352 14 0 .698 .44 1.02 .237 .793 .301 2.57 .359 -.035 2 20 bt16sw 1837 2005 169 7 0 .731 9.70 22.01 3.917 .800 .208 2.41 .332 .001 2 21 BT17SW 1838 2005 168 7 0 .405 10.32 17.86 2.558 .560 .168 2.70 .418 -.007 1 22 BT17 1826 1997 172 6 0 .576 9.46 24.51 3.119 .698 .202 2.60 .355 -.060 2 23 BT19 1722 2000 279 12 1 .488 .83 2.76 .560 .900 .255 2.67 .397 -.039 3 24 BT31 1817 2005 189 8 0 .501 12.67 49.83 8.115 .777 .278 2.61 .441 -.016 2 25 BT31.1 1743 2005 263 11 0 .553 7.82 22.46 3.869 .791 .243 2.63 .363 -.017 2 26 BT32 1682 2005 324 13 3 .502 .82 2.15 .391 .859 .247 2.53 .355 -.027 1 27 BT32.1 1822 2005 184 8 0 .468 10.30 21.98 3.539 .682 .199 2.74 .481 -.013 3 28 BT33 1770 2004 235 10 0 .634 5.93 10.80 1.705 .730 .176 2.74 .456 -.004 2 29 BT33.1 1582 2005 424 17 2 .617 .42 1.12 .194 .718 .280 2.56 .339 -.018 2 30 BT34 1535 1991 457 17 2 .510 .28 1.08 .206 .866 .316 2.73 .411 -.038 5 31 BT41* 1729 2005 277 11 1 .467 .50 1.16 .231 .783 .253 2.68 .307 .009 1 32 BT42SE 1676 2005 330 13 1 .505 4.84 17.36 2.848 .784 .274 2.69 .357 -.040 5 33 BT42NW 1635 2005 371 15 1 .545 5.17 16.59 2.349 .766 .238 2.70 .417 -.032 1 34 BT43NW 1646 2004 359 15 1 .443 .71 3.17 .329 .701 .236 2.73 .409 -.004 5 35 BT44NE 1680 2005 326 13 0 .628 6.81 21.10 3.601 .834 .282 2.66 .374 -.011 1 36 BT44S 1587 2003 417 17 3 .485 .60 1.93 .327 .810 .296 2.57 .310 -.013 1 37 BT45SW* 1583 2005 423 17 2 .552 .58 1.96 .315 .830 .248 2.62 .336 -.029 3 38 bt45n 1623 1919 297 12 1 .527 5.77 15.34 2.909 .868 .199 2.62 .412 .016 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 11709 473 38 .544 3.74 49.83 1.730 .789 .249 2.82 .370 -.018