Chimney Lake, Alaska, USA - AK048 Additional Site Information Martin Wilmking Purpose of Collection: Ecology, Treeline response Measurement type: Total ring width Location of core material: Tree ring lab, University of Alaska Fairbanks, USA References: Wilmking M., Juday G.P., Barber V.A. and Zald H.S.J. 2004. Recent climate warming forces opposite growth responses of white spruce at treeline in Alaska through temperature thresholds. Global Change Biology 10(10): 1724-1736. Wilmking M., Juday G.P. 2005. Longitudinal variation of radial growth at Alaska's northern treeline - Recent changes and possible scenarios for the 21st century. Global and Planetary Change. (in press, online early) doi:10.1016/j.gloplacha.2004.10.017. COFECHA File_name Date Time_span Series Spline Seg Lag N_Seg Probs Prob% XCorr MnSens C/Var MnMsmt MnStDv MnACorr ak048.rwl 25May06 1725 2001 78 32 50 25 463 46 9.94 .526 .211 44.66 .663 .314 .800 Run CHIM Title: Chimney Lake PART 5: CORRELATION OF SERIES BY SEGMENTS: Chimney Lake 10:44 Thu 25 May 2006 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BRCL39N 1830 2001 .52 .61 .70 .69 .64 .58 .55 2 BRCL39S 1830 2001 .12B .24B .53 .63 .57 .51 .50 3 BRCL19N 1935 2001 .43 .40 .41 4 BRCL19S 1935 2001 .36 .44 .46 5 BRCL19N 1839 2001 .38 .46 .71 .88 .76 .70 .70 6 BRCL19S 1839 2001 .50 .61 .72 .82 .86 .77 .74 7 BRCL22W 1882 2001 .74 .79 .66 .61 .60 8 BRCL22E 1882 2001 .64 .74 .68 .61 .57 9 BRCL40W 1851 2001 .25A .46 .47 .49 .35 .35 10 BRCL40E 1851 2001 .14B .23A .58 .66 .62 .61 11 BRCL38W 1799 2001 .39 .41 .51 .62 .80 .78 .67 .67 .67 12 BRCL38E 1799 2001 .56 .54 .66 .49 .44 .59 .59 .59 .62 13 BRCL24W 1819 2001 .60 .66 .70 .75 .76 .47 .38 .41 14 BRCL24E 1819 2001 .47 .40 .46 .71 .77 .73 .51 .49 15 BRCL26E 1862 2001 .71 .72 .73 .77 .78 .77 16 BRCL26W 1862 1985 .64 .55 .57 .52 .54 17 BRCL31N 1872 2001 .45 .57 .61 .64 .66 .66 18 BRCL31S 1872 2001 .60 .60 .79 .65 .63 .64 19 BRCL65N 1837 2001 .52 .42 .65 .61 .38 .41 .40 20 BRCL65S 1837 2001 .57 .48 .59 .58 .38 .34 .33 21 BRCL33W 1873 2001 .22A .32A .61 .77 .74 .74 22 BRCL33E 1873 2001 .18B .26A .48 .75 .72 .70 23 BRCL02S 1878 2001 .19B .25B .48 .71 .69 24 BRCL02N 1878 2001 .58 .71 .64 .62 .61 25 BRCL17S 1951 2001 .35 .37 26 BRCL17N 1951 2001 .31A .34 27 BRCL03E 1903 2001 .44 .63 .64 .66 28 BRCL03W 1903 2001 .46 .52 .54 .57 29 BRCL32W 1789 2001 .51 .42 .43 .44 .57 .57 .54 .67 .68 30 BRCL32E 1789 2001 .57 .55 .51 .29A .52 .72 .69 .68 .68 31 BRCL42W 1850 2001 .60 .58 .60 .70 .68 .67 32 BRCL42E 1850 2001 .70 .67 .72 .70 .70 .82 33 BRCL23E 1854 2001 .44 .53 .64 .67 .70 .68 34 BRCL23W 1854 2001 .24B .43 .56 .50 .43 .41 35 BRCL66N 1749 2001 .36 .37 .43 .44 .43 .36 .46 .56 .51 .58 .63 36 BRCL66S 1749 2001 .40 .42 .47 .40 .20B .17B .33 .46 .57 .60 .60 37 BRCL79BN 1725 2001 .54 .36 .37 .62 .61 .68 .76 .66 .58 .49 .49 38 BRCL79BS 1725 1873 .35 .19A .30A .21B .20B 39 BRCL41N 1786 2001 .31A .24B .29B .40 .42 .36 .27A .34 .31A 40 BRCL41S 1786 2001 .45 .33B-.02B-.10B-.26B-.36B-.42B-.26B-.25B 41 BRCL59S 1836 2001 .58 .54 .62 .64 .66 .66 .65 42 BRCL59N 1836 2001 .45 .56 .60 .49 .50 .70 .67 43 BRCL78AS 1889 2001 .53 .58 .53 .58 .57 44 BRCL78AN 1889 2001 .56 .58 .67 .66 .66 45 BRCL78BS 1876 2001 .56 .53 .51 .65 .55 46 BRCL78BN 1876 2001 .66 .55 .46 .54 .52 47 BRCL62W 1867 2001 .47 .50 .42 .41 .58 .58 48 BRCL62E 1867 2001 .54 .64 .41 .37 .59 .60 49 BRCL28E 1868 2001 .62 .55 .61 .70 .55 .54 50 BRCL28W 1868 2001 .58 .70 .70 .75 .80 .78 51 BRCL27N 1859 2001 .59 .68 .79 .79 .86 .86 52 BRCL27S 1859 2001 .52 .68 .78 .72 .72 .74 53 BRCL61N 1803 2001 .29B .42 .64 .61 .75 .71 .66 .64 54 BRCL16S 1803 2001 .56 .59 .57 .69 .63 .48 .59 .62 55 BRCL80N 1812 2001 .40 .49 .42 .56 .76 .69 .61 .58 56 BRCL80S 1812 2001 .43 .52 .51 .46 .63 .59 .44 .46 57 BRCL86A 1902 2001 .41 .61 .63 .64 58 BRCL86B 1902 2001 .53 .61 .57 .59 59 BRCL76N 1833 2001 .37 .59 .57 .63 .57 .47 .49 60 BRCL76S 1833 2001 .31A .44 .55 .70 .60 .60 .61 61 BRCL13W 1894 2001 .26B .31A .35 .47 .49 62 BRCL13E 1894 2001 .49 .48 .62 .61 .58 63 BRCL35E 1811 2001 .65 .71 .66 .65 .74 .67 .55 .56 64 BRCL35W 1811 2001 .62 .66 .73 .83 .83 .63 .53 .52 65 BRCL87N 1948 2001 .57 .55 .55 66 BRCL87S 1948 2001 .51 .49 .49 67 BRCL29W 1851 2001 .56 .70 .73 .61 .44 .43 68 BRCL29E 1851 2001 .51 .56 .61 .57 .61 .60 69 BRCL05E 1951 2001 .05B .06B 70 BRCL05W 1951 2001 .34 .36 71 BRCL46W 1883 2001 .43 .51 .32A .44 .42 72 BRCL46E 1883 2001 .22B .29B .26A .30A .30A 73 BRCL64N 1875 2001 .62 .62 .70 .74 .75 74 BRCL64S 1875 2001 .57 .51 .52 .64 .64 75 BRCL44N 1875 2001 .38 .45 .46 .56 .58 76 BRCL44S 1875 2001 .38 .49 .48 .54 .55 77 BRCL12W 1963 2001 .39 78 BRCL12E 1963 2001 .19A Av segment correlation .41 .33 .44 .45 .45 .48 .54 .59 .57 .55 .56 PART 7: DESCRIPTIVE STATISTICS: Chimney Lake 10:44 Thu 25 May 2006 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 BRCL39N 1830 2001 172 7 0 .608 .74 1.72 .272 .756 .186 2.87 .488 .005 1 2 BRCL39S 1830 2001 172 7 2 .442 .70 1.55 .300 .793 .219 2.59 .411 -.021 1 3 BRCL19N 1935 2001 67 3 0 .418 2.22 4.47 .842 .718 .236 2.65 .346 -.046 1 4 BRCL19S 1935 2001 67 3 0 .412 2.11 3.99 .899 .806 .221 2.74 .537 .020 2 5 BRCL19N 1839 2001 163 7 0 .677 .95 2.71 .447 .705 .250 2.99 .494 -.007 1 6 BRCL19S 1839 2001 163 7 0 .709 .84 3.04 .411 .682 .222 3.04 .518 .029 2 7 BRCL22W 1882 2001 120 5 0 .675 .93 2.02 .376 .838 .187 2.62 .387 -.047 1 8 BRCL22E 1882 2001 120 5 0 .638 1.38 2.22 .373 .685 .183 2.55 .472 -.089 1 9 BRCL40W 1851 2001 151 6 1 .357 .79 2.20 .299 .764 .175 2.76 .342 -.016 1 10 BRCL40E 1851 2001 151 6 2 .483 .79 2.38 .355 .737 .214 2.85 .523 -.009 1 11 BRCL38W 1799 2001 203 9 0 .631 .68 2.44 .528 .895 .236 2.84 .394 -.046 1 12 BRCL38E 1799 2001 203 9 0 .558 .56 2.21 .415 .899 .233 2.72 .416 .003 1 13 BRCL24W 1819 2001 183 8 0 .611 .81 1.83 .329 .848 .187 2.61 .377 -.024 1 14 BRCL24E 1819 2001 183 8 0 .581 .75 1.60 .238 .657 .205 2.86 .497 .008 1 15 BRCL26E 1862 2001 140 6 0 .736 .85 2.18 .304 .582 .236 2.82 .483 .002 1 16 BRCL26W 1862 1985 124 5 0 .557 .93 1.82 .347 .729 .219 2.75 .549 .032 1 17 BRCL31N 1872 2001 130 6 0 .565 1.09 2.54 .389 .797 .176 2.46 .352 -.082 1 18 BRCL31S 1872 2001 130 6 0 .631 .91 1.70 .331 .796 .172 2.81 .460 -.046 1 19 BRCL65N 1837 2001 165 7 0 .503 .40 1.31 .196 .815 .193 2.72 .396 -.054 1 20 BRCL65S 1837 2001 165 7 0 .475 .40 .94 .209 .865 .198 2.77 .403 -.055 1 21 BRCL33W 1873 2001 129 6 2 .585 1.09 1.99 .388 .729 .201 2.79 .500 .050 1 22 BRCL33E 1873 2001 129 6 2 .539 .90 2.37 .353 .601 .238 2.83 .453 -.024 1 23 BRCL02S 1878 2001 124 5 2 .416 1.11 2.82 .613 .758 .285 2.83 .383 -.013 1 24 BRCL02N 1878 2001 124 5 0 .595 .94 2.03 .444 .850 .209 2.46 .311 -.074 1 25 BRCL17S 1951 2001 51 2 0 .354 1.50 3.00 .683 .878 .185 2.73 .554 .101 1 26 BRCL17N 1951 2001 51 2 1 .310 1.70 2.90 .594 .770 .192 2.86 .527 .131 1 27 BRCL03E 1903 2001 99 4 0 .545 1.40 3.32 .925 .881 .218 2.72 .438 -.074 1 28 BRCL03W 1903 2001 99 4 0 .511 1.22 2.78 .687 .881 .231 2.82 .521 -.069 1 29 BRCL32W 1789 2001 213 9 0 .513 .67 1.68 .340 .853 .217 2.74 .465 -.036 1 30 BRCL32E 1789 2001 213 9 1 .573 .43 1.18 .185 .792 .213 2.72 .519 -.049 1 31 BRCL42W 1850 2001 152 6 0 .619 .58 1.42 .295 .848 .206 2.53 .403 -.020 1 32 BRCL42E 1850 2001 152 6 0 .698 .59 1.17 .248 .846 .188 2.50 .358 -.028 1 33 BRCL23E 1854 2001 148 6 0 .594 .63 1.11 .174 .720 .158 2.73 .460 .003 1 34 BRCL23W 1854 2001 148 6 1 .420 .88 2.06 .315 .830 .157 2.67 .429 -.087 1 35 BRCL66N 1749 2001 253 11 0 .460 .24 .96 .182 .908 .231 2.77 .446 -.008 2 36 BRCL66S 1749 2001 253 11 2 .384 .28 .96 .181 .894 .199 2.56 .277 -.026 3 37 BRCL79BN 1725 2001 277 11 0 .530 .32 1.90 .275 .831 .278 2.80 .417 -.052 1 38 BRCL79BS 1725 1873 149 5 4 .289 .21 .63 .112 .611 .293 2.85 .462 .000 1 39 BRCL41N 1786 2001 216 9 5 .336 .47 2.66 .379 .891 .225 3.04 .472 .010 1 40 BRCL41S 1786 2001 216 9 8 -.129 .49 1.34 .241 .823 .220 2.88 .402 -.065 1 41 BRCL59S 1836 2001 166 7 0 .606 .39 .95 .146 .696 .209 2.80 .433 -.007 1 42 BRCL59N 1836 2001 166 7 0 .513 .54 2.17 .358 .875 .251 2.90 .475 -.083 1 43 BRCL78AS 1889 2001 113 5 0 .577 .34 1.19 .295 .944 .212 3.24 .576 -.030 1 44 BRCL78AN 1889 2001 113 5 0 .627 .33 1.16 .296 .943 .200 2.95 .462 -.006 1 45 BRCL78BS 1876 2001 126 5 0 .538 .37 .99 .236 .923 .191 2.69 .495 -.069 1 46 BRCL78BN 1876 2001 126 5 0 .564 .33 1.12 .250 .924 .213 2.86 .466 -.104 1 47 BRCL62W 1867 2001 135 6 0 .519 .40 .92 .157 .780 .217 2.74 .471 -.052 1 48 BRCL62E 1867 2001 135 6 0 .524 .40 1.22 .212 .880 .206 2.68 .416 .039 1 PART 7: DESCRIPTIVE STATISTICS: Chimney Lake 10:44 Thu 25 May 2006 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 BRCL28E 1868 2001 134 6 0 .582 .75 1.24 .211 .684 .173 2.71 .389 .035 2 50 BRCL28W 1868 2001 134 6 0 .692 .72 1.36 .197 .694 .173 2.61 .417 .012 1 51 BRCL27N 1859 2001 143 6 0 .750 .62 1.50 .269 .822 .208 2.67 .464 .015 1 52 BRCL27S 1859 2001 143 6 0 .687 .68 1.33 .248 .736 .214 2.67 .414 -.013 1 53 BRCL61N 1803 2001 199 8 1 .580 .36 .89 .141 .692 .231 2.83 .445 -.011 1 54 BRCL16S 1803 2001 199 8 0 .590 .35 .94 .180 .799 .208 2.63 .417 -.016 1 55 BRCL80N 1812 2001 190 8 0 .583 .39 1.30 .190 .860 .196 2.63 .415 -.044 1 56 BRCL80S 1812 2001 190 8 0 .501 .33 .92 .168 .845 .195 2.64 .431 -.037 1 57 BRCL86A 1902 2001 100 4 0 .526 .89 1.65 .308 .714 .215 2.63 .399 .012 1 58 BRCL86B 1902 2001 100 4 0 .556 .85 1.57 .279 .770 .175 2.62 .398 .003 1 59 BRCL76N 1833 2001 169 7 0 .530 .38 1.07 .248 .913 .214 2.84 .453 -.053 2 60 BRCL76S 1833 2001 169 7 1 .552 .37 .88 .190 .883 .192 2.83 .465 -.014 1 61 BRCL13W 1894 2001 108 5 2 .378 .70 1.90 .436 .914 .229 2.85 .514 .006 1 62 BRCL13E 1894 2001 108 5 0 .529 1.05 4.51 1.030 .946 .254 2.95 .598 .039 2 63 BRCL35E 1811 2001 191 8 0 .644 .56 1.15 .178 .682 .195 2.68 .473 -.021 1 64 BRCL35W 1811 2001 191 8 0 .673 .50 1.10 .168 .694 .187 2.64 .425 -.019 2 65 BRCL87N 1948 2001 54 3 0 .559 1.77 2.74 .423 .347 .219 2.51 .502 -.056 1 66 BRCL87S 1948 2001 54 3 0 .465 1.58 2.76 .426 .387 .215 2.77 .625 -.020 1 67 BRCL29W 1851 2001 151 6 0 .583 .53 1.27 .215 .768 .185 2.81 .417 -.038 1 68 BRCL29E 1851 2001 151 6 0 .577 .82 2.03 .353 .827 .192 2.63 .407 .026 1 69 BRCL05E 1951 2001 51 2 2 .049 .59 2.10 .491 .884 .294 3.04 .616 .016 1 70 BRCL05W 1951 2001 51 2 0 .345 .80 2.67 .686 .884 .257 2.87 .562 .044 1 71 BRCL46W 1883 2001 119 5 1 .436 .41 1.07 .167 .781 .183 2.85 .481 -.052 1 72 BRCL46E 1883 2001 119 5 5 .253 .59 2.11 .371 .878 .201 2.64 .487 -.074 1 73 BRCL64N 1875 2001 127 5 0 .658 .55 1.47 .283 .826 .222 2.91 .581 .102 1 74 BRCL64S 1875 2001 127 5 0 .569 .65 1.76 .319 .849 .193 2.94 .487 -.028 2 75 BRCL44N 1875 2001 127 5 0 .461 .56 1.17 .243 .809 .208 2.59 .397 -.054 1 76 BRCL44S 1875 2001 127 5 0 .409 .58 1.95 .330 .891 .200 2.82 .479 -.009 1 77 BRCL12W 1963 2001 39 1 0 .388 1.66 3.50 .829 .696 .294 2.68 .551 .097 2 78 BRCL12E 1963 2001 39 1 1 .194 1.83 3.64 .840 .642 .297 2.57 .591 .011 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 11052 463 46 .526 .66 4.51 .314 .800 .211 3.24 .447 -.021