North Fork Koyukuk, Alaska, USA - AK049 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 ak049.rwl 25May06 1715 2001 99 32 50 25 544 67 12.32 .539 .209 43.45 .651 .289 .777 Run KOYUK Title: North Fork Koyukuk PART 5: CORRELATION OF SERIES BY SEGMENTS: North Fork Koyukuk 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 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BRNF52BN 1848 2001 .46 .44 .52 .62 .64 .56 .57 2 BRNF52BS 1848 2001 .55 .59 .63 .58 .70 .57 .56 3 BRNF64N 1872 2001 .77 .77 .75 .73 .70 .68 4 BRNF64S 1872 2001 .70 .72 .76 .82 .78 .74 5 BRNF51N 1884 2001 .35 .49 .68 .64 .65 6 BRNF51S 1884 2001 .39 .36 .51 .73 .74 7 BRNF48S 1808 2001 .68 .77 .75 .81 .65 .62 .80 .82 8 BRNF48N 1772 2001 .16B .08B .37 .64 .67 .63 .64 .70 .64 .64 9 BRNF12S 1880 1994 .49 .39 .65 .72 10 BRNF12N 1880 2001 .28A .49 .75 .73 .71 11 BRNF45N 1882 2001 -.14B-.12B .03B .20B .20A 12 BRNF61N 1875 2001 .41B .47 .69 .72 .72 13 BRNF61S 1875 2001 .33B .42 .51 .52 .53 14 BRNF53N 1719 2001 .43 .41 .42 .59 .60 .58 .72 .71 .55 .50 .55 .56 15 BRNF53S 1719 2001 .56 .55 .63 .54 .63 .64 .69 .75 .61 .63 .75 .75 16 BRNF60N 1909 2001 .65 .65 .70 .70 17 BRNF60S 1909 2001 .62 .78 .86 .86 18 BRNF56W 1881 2001 .03B .13B .63 .81 .81 19 BRNF58W 1912 2001 .65 .67 .66 .66 20 BRNF58E 1912 2001 .71 .76 .79 .79 21 BRNF49N 1943 2001 .55 .65 .66 22 BRNF49S 1943 2001 .54 .68 .70 23 BRNF66N 1926 2001 .57 .63 .63 24 BRNF66S 1926 2001 .58 .70 .70 25 BRNF31S 1750 2001 .30A-.12B-.03B .18B .46 .66 .70 .58 .59 .61 26 BRNF31N 1750 2001 .36 .14B .15A .37 .54 .50 .72 .65 .59 .57 27 BRNF23N 1919 2001 .12B .17B .31A .33 28 BRNF23S 1919 2001 .22B .17B .13B .14B 29 BRNF18W 1909 2001 .60 .68 .69 .68 30 BRNF18E 1909 2001 .60 .59 .79 .80 31 BRNF29E 1896 2001 .70 .69 .68 .65 .63 32 BRNF29W 1896 1987 .61 .65 .82 .85 33 BRNF35N 1800 2001 -.12B-.22B .02B .20B .53 .66 .63 .65 34 BRNF35S 1800 2001 -.26B-.21B-.03B .34 .56 .60 .56 .57 35 BRNF71 1828 2001 .51 .69 .61 .54 .61 .59 .58 36 BRNF34 1793 2001 .08B .05B .31A .49 .50 .48 .41 .54 .55 37 BRNF11E 1873 2001 .47 .51 .58 .59 .52 .53 38 BRNF11W 1873 2001 .59 .58 .69 .72 .53 .52 39 BRNF41 1890 2001 .60 .58 .43 .47 .47 40 BRNF05N 1885 2001 .69 .70 .80 .78 .77 41 BRNF05S 1885 2001 .54 .65 .73 .73 .71 42 BRNF62N 1885 2001 .47 .47 .61 .73 .73 43 BRNF62S 1885 2001 .09B .40 .65 .55 .53 44 BRNF43E 1731 2001 .57 .48 .59 .51 .42 .41 .57 .66 .58 .56 .56 45 BRNF43W 1731 2001 .68 .66 .53 .36 .45 .62 .65 .63 .65 .68 .69 46 BRNF46S 1971 2001 .13B 47 BRNF46N 1971 2001 .13B 48 BRNF07N 1930 2001 .32A .57 .57 49 BRNF07S 1930 2001 .49 .65 .68 50 BRNF28N 1914 2001 .41 .45 .62 .64 51 BRNF28S 1914 2001 .42 .39 .56 .57 52 BRNF59N 1883 2001 .47 .45 .58 .48 .47 53 BRNF59S 1883 2001 .61 .71 .79 .56 .54 54 BRNF20N 1919 2001 .41 .56 .42 .40 55 BRNF20S 1919 2001 .49 .67 .64 .60 56 BRNF88N 1879 2001 .71 .71 .70 .71 .69 57 BRNF88S 1879 2001 .53 .64 .66 .59 .58 58 BRNF06E 1839 2001 .07B .15B .58 .73 .70 .72 .71 59 BRNF06W 1892 2001 .70 .70 .73 .77 .77 60 BRNF10 1854 2001 .22B .33A .52 .70 .76 .76 61 BRNF67N 1770 2001 -.29B-.21B-.10B .58 .71 .76 .81 .79 .66 .63 62 BRNF67S 1815 2001 .68 .73 .66 .74 .80 .84 .72 .72 63 BRNF76W 1865 2001 .32A .44 .68 .59 .54 .53 64 BRNF76E 1865 2001 .59 .72 .83 .81 .56 .55 65 BRNF37N 1943 2001 .39 .39 .39 66 BRNF37S 1943 2001 .26A .38 .40 67 BRNF83N 1917 2001 .75 .71 .66 .65 68 BRNF83S 1917 2001 .57 .43 .58 .58 69 BRNF36N 1939 2001 .39 .66 .69 70 BRNF36S 1939 2001 .52 .67 .68 71 BRNF57N 1860 2001 .02B .31A .63 .77 .80 .78 72 BRNF57S 1858 2001 .51 .65 .80 .84 .74 .73 73 BRNF70 1851 2001 .16B .44 .38 .48 .65 .69 74 BRNF04N 1839 2001 .46 .55 .55 .64 .57 .63 .63 75 BRNF04S 1839 2001 .67 .66 .48 .59 .79 .63 .63 76 BRNF68 1715 2001 .33 .32A .38 .43 .61 .59 .56 .63 .58 .55 .35 .33 77 BRNF42W 1913 2001 .56 .62 .60 .60 78 BRNF42E 1913 2001 .62 .46 .26B .28A 79 BRNF30N 1930 2001 .05B .14B .13A 80 BRNF30S 1929 2001 .00B .16B .22B 81 BRNF85E 1886 2001 .75 .75 .77 .71 .70 82 BRNF85W 1886 2001 .59 .70 .69 .39 .39 83 BRNF40N 1928 2001 .60 .61 .60 84 BRNF40S 1928 2001 .63 .67 .67 85 BRNF26 1823 2001 .01B .02B .00B .24B .54 .49 .49 .48 86 BRNF79N 1890 2001 .53 .60 .59 .47 .49 87 BRNF79S 1890 2001 .50 .57 .54 .57 .56 88 BRNF24N 1911 2001 .39 .43 .59 .61 89 BRNF24S 1911 2001 .48 .44 .50 .53 90 BRNF77N 1882 2001 .52 .62 .69 .66 .65 91 BRNF77S 1878 2001 .46 .60 .67 .53 .52 92 BRNF87W 1894 2001 .69 .68 .69 .62 .61 93 BRNF87E 1894 2001 .62 .59 .64 .75 .74 94 BRNF13S 1856 2001 .22B .61 .71 .67 .62 .66 95 BRNF13N 1856 2001 .37 .64 .80 .78 .77 .82 96 BRNF52A 1851 2001 .57 .60 .64 .67 .45 .45 97 BRNF47 1854 2001 .43 .61 .64 .57 .69 .69 98 BRNF02 1860 2001 .43 .62 .69 .57 .66 .68 99 BRNF86 1730 2001 .39 .30A .41B .38 .52 .40 .55 .64 .40 .43 .42 Av segment correlation .44 .49 .34 .28 .28 .41 .46 .53 .58 .59 .59 .60 PART 7: DESCRIPTIVE STATISTICS: North Fork Koyukuk 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 BRNF52BN 1848 2001 154 7 0 .532 .83 1.59 .263 .671 .189 2.61 .423 -.001 1 2 BRNF52BS 1848 2001 154 7 0 .577 1.01 1.72 .310 .788 .166 2.53 .413 .042 1 3 BRNF64N 1872 2001 130 6 0 .696 1.04 1.89 .339 .763 .164 2.55 .374 .036 1 4 BRNF64S 1872 2001 130 6 0 .740 .74 1.70 .200 .563 .173 2.95 .474 .033 1 5 BRNF51N 1884 2001 118 5 0 .507 1.21 3.38 .649 .831 .221 2.82 .544 -.055 1 6 BRNF51S 1884 2001 118 5 0 .547 1.13 2.65 .539 .756 .246 2.55 .387 .008 1 7 BRNF48S 1808 2001 194 8 0 .711 .57 1.87 .353 .846 .250 2.64 .409 .050 1 8 BRNF48N 1772 2001 230 10 2 .550 .45 1.10 .242 .879 .217 2.77 .437 .008 1 9 BRNF12S 1880 1994 115 4 0 .558 .99 1.75 .270 .600 .188 2.71 .479 .005 1 10 BRNF12N 1880 2001 122 5 1 .580 1.13 2.18 .372 .703 .182 2.66 .489 -.043 1 11 BRNF45N 1882 2001 120 5 5 -.005 .26 .92 .162 .778 .277 2.77 .467 -.106 1 12 BRNF61N 1875 2001 127 5 1 .552 .47 1.37 .301 .922 .199 2.56 .355 -.026 3 13 BRNF61S 1875 2001 127 5 1 .437 .38 .89 .171 .673 .259 2.66 .404 -.066 2 14 BRNF53N 1719 2001 283 12 0 .544 .27 2.07 .265 .880 .196 2.76 .393 .034 2 15 BRNF53S 1719 2001 283 12 0 .624 .32 2.02 .228 .880 .175 2.60 .351 -.019 1 16 BRNF60N 1909 2001 93 4 0 .669 .79 1.64 .242 .550 .235 2.48 .472 .005 1 17 BRNF60S 1909 2001 93 4 0 .737 .89 1.63 .370 .750 .241 2.69 .505 -.053 1 18 BRNF56W 1881 2001 121 5 2 .464 .57 1.54 .270 .791 .252 2.65 .411 .006 1 19 BRNF58W 1912 2001 90 4 0 .693 .70 1.41 .224 .673 .203 2.64 .480 -.005 1 20 BRNF58E 1912 2001 90 4 0 .747 .71 1.29 .217 .674 .203 2.70 .535 -.012 1 21 BRNF49N 1943 2001 59 3 0 .578 .68 1.55 .319 .743 .252 2.50 .441 .076 1 22 BRNF49S 1943 2001 59 3 0 .593 1.10 2.51 .523 .765 .287 2.54 .509 .112 1 23 BRNF66N 1926 2001 76 3 0 .581 1.32 3.59 .483 .580 .209 2.63 .309 -.013 1 24 BRNF66S 1926 2001 76 3 0 .598 1.30 2.62 .515 .698 .220 2.66 .550 .015 1 25 BRNF31S 1750 2001 252 10 4 .459 .32 1.04 .146 .787 .224 2.70 .386 -.018 1 26 BRNF31N 1750 2001 252 10 2 .484 .27 1.26 .188 .861 .237 2.61 .394 -.039 1 27 BRNF23N 1919 2001 83 4 3 .252 .77 2.90 .539 .893 .188 2.86 .630 -.019 1 28 BRNF23S 1919 2001 83 4 4 .230 .48 1.59 .264 .850 .204 2.67 .414 -.049 1 29 BRNF18W 1909 2001 93 4 0 .662 1.35 2.28 .343 .665 .170 2.68 .479 -.015 1 30 BRNF18E 1909 2001 93 4 0 .691 1.28 2.85 .395 .736 .173 2.58 .459 .007 2 31 BRNF29E 1896 2001 106 5 0 .671 .43 1.25 .231 .832 .213 2.78 .475 .017 2 32 BRNF29W 1896 1987 92 4 0 .705 .63 1.39 .269 .725 .242 2.83 .599 -.022 1 33 BRNF35N 1800 2001 202 8 4 .307 .43 1.19 .216 .825 .231 2.83 .495 -.040 1 34 BRNF35S 1800 2001 202 8 3 .262 .38 1.16 .181 .765 .237 2.89 .418 .007 1 35 BRNF71 1828 2001 174 7 0 .529 .51 1.45 .269 .817 .236 2.58 .425 -.057 1 36 BRNF34 1793 2001 209 9 3 .391 .39 1.57 .304 .911 .225 2.64 .442 -.078 1 37 BRNF11E 1873 2001 129 6 0 .505 .80 1.91 .322 .841 .174 2.53 .316 -.062 2 38 BRNF11W 1873 2001 129 6 0 .578 .51 1.69 .255 .804 .195 2.70 .408 -.017 1 39 BRNF41 1890 2001 112 5 0 .534 .56 1.52 .248 .656 .240 2.98 .553 -.025 1 40 BRNF05N 1885 2001 117 5 0 .717 .96 1.84 .367 .838 .165 2.77 .458 -.013 1 41 BRNF05S 1885 2001 117 5 0 .662 .86 1.35 .189 .653 .146 2.60 .411 -.030 1 42 BRNF62N 1885 2001 117 5 0 .594 .26 .55 .099 .762 .203 2.65 .555 -.031 1 43 BRNF62S 1885 2001 117 5 1 .423 .51 1.19 .259 .873 .181 2.67 .374 -.003 1 44 BRNF43E 1731 2001 271 11 0 .548 .28 .92 .182 .908 .184 2.73 .366 -.014 1 45 BRNF43W 1731 2001 271 11 0 .617 .48 1.38 .324 .918 .195 2.70 .423 -.036 1 46 BRNF46S 1971 2001 31 1 1 .127 .80 2.24 .630 .768 .315 2.80 .564 .095 1 47 BRNF46N 1971 2001 31 1 1 .132 .80 2.16 .629 .793 .319 2.81 .618 .106 1 48 BRNF07N 1930 2001 72 3 1 .471 1.08 2.61 .631 .941 .158 2.64 .479 -.003 1 PART 7: DESCRIPTIVE STATISTICS: North Fork Koyukuk 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 BRNF07S 1930 2001 72 3 0 .567 1.40 2.83 .618 .885 .165 2.66 .413 .017 1 50 BRNF28N 1914 2001 88 4 0 .523 .96 2.45 .374 .718 .189 2.67 .480 .058 1 51 BRNF28S 1914 2001 88 4 0 .467 .85 2.61 .485 .846 .178 2.56 .556 -.018 1 52 BRNF59N 1883 2001 119 5 0 .463 .52 1.28 .243 .768 .213 2.54 .401 -.015 1 53 BRNF59S 1883 2001 119 5 0 .617 .58 1.41 .208 .594 .228 2.90 .518 .059 1 54 BRNF20N 1919 2001 83 4 0 .409 1.25 2.88 .495 .729 .235 2.63 .350 -.056 1 55 BRNF20S 1919 2001 83 4 0 .557 .91 1.93 .323 .629 .234 2.66 .406 .073 1 56 BRNF88N 1879 2001 123 5 0 .708 .65 1.53 .244 .732 .189 2.83 .517 .011 1 57 BRNF88S 1879 2001 123 5 0 .576 .63 1.93 .260 .754 .205 2.84 .493 .003 2 58 BRNF06E 1839 2001 163 7 2 .564 1.06 3.17 .538 .800 .246 2.73 .468 .041 1 59 BRNF06W 1892 2001 110 5 0 .704 .69 1.29 .211 .621 .219 2.42 .384 .029 1 60 BRNF10 1854 2001 148 6 2 .539 .65 1.80 .340 .810 .232 2.79 .398 -.011 1 61 BRNF67N 1770 2001 232 10 3 .471 .53 1.22 .224 .800 .214 2.71 .399 -.011 1 62 BRNF67S 1815 2001 187 8 0 .716 .64 1.51 .283 .820 .203 2.71 .395 .016 1 63 BRNF76W 1865 2001 137 6 1 .548 .82 1.88 .317 .738 .208 2.70 .459 .009 2 64 BRNF76E 1865 2001 137 6 0 .683 .85 1.65 .360 .872 .168 2.72 .448 -.054 1 65 BRNF37N 1943 2001 59 3 0 .414 .92 2.44 .587 .868 .221 2.69 .457 -.004 1 66 BRNF37S 1943 2001 59 3 1 .360 1.02 2.77 .637 .875 .235 2.78 .597 -.042 1 67 BRNF83N 1917 2001 85 4 0 .702 1.07 2.19 .351 .580 .225 2.50 .447 .048 1 68 BRNF83S 1917 2001 85 4 0 .573 1.27 2.76 .435 .703 .195 2.63 .515 -.013 1 69 BRNF36N 1939 2001 63 3 0 .474 .89 2.02 .447 .871 .195 2.57 .414 -.061 1 70 BRNF36S 1939 2001 63 3 0 .578 .69 1.55 .274 .789 .203 2.62 .416 .044 1 71 BRNF57N 1860 2001 142 6 2 .534 .52 1.26 .191 .689 .223 2.58 .413 -.018 1 72 BRNF57S 1858 2001 144 6 0 .699 .49 1.08 .175 .661 .220 2.63 .368 -.010 1 73 BRNF70 1851 2001 151 6 1 .431 .38 .95 .128 .712 .183 2.89 .448 -.041 1 74 BRNF04N 1839 2001 163 7 0 .578 .59 1.23 .232 .836 .168 2.82 .370 .015 1 75 BRNF04S 1839 2001 163 7 0 .599 .78 2.12 .366 .834 .190 2.96 .568 .014 2 76 BRNF68 1715 2001 287 12 1 .438 .29 .85 .159 .813 .250 2.64 .336 -.034 1 77 BRNF42W 1913 2001 89 4 0 .592 .69 1.89 .327 .813 .211 2.62 .483 -.003 1 78 BRNF42E 1913 2001 89 4 2 .460 .70 1.74 .333 .865 .169 2.72 .343 -.027 3 79 BRNF30N 1930 2001 72 3 3 .151 .47 1.34 .255 .830 .264 2.68 .476 .023 1 80 BRNF30S 1929 2001 73 3 3 .136 .47 1.18 .217 .801 .253 2.67 .517 .087 1 81 BRNF85E 1886 2001 116 5 0 .730 .77 1.49 .204 .515 .208 2.72 .423 .000 1 82 BRNF85W 1886 2001 116 5 0 .550 .76 1.74 .288 .645 .215 2.74 .485 -.050 1 83 BRNF40N 1928 2001 74 3 0 .648 .59 1.73 .320 .870 .172 2.80 .518 -.036 1 84 BRNF40S 1928 2001 74 3 0 .692 .77 2.46 .436 .901 .170 2.65 .456 .021 2 85 BRNF26 1823 2001 179 8 4 .298 .33 .78 .187 .864 .226 2.79 .476 -.065 1 86 BRNF79N 1890 2001 112 5 0 .517 .81 2.06 .414 .876 .197 2.66 .336 .006 1 87 BRNF79S 1890 2001 112 5 0 .544 .52 1.16 .179 .676 .211 2.65 .426 -.045 1 88 BRNF24N 1911 2001 91 4 0 .471 1.08 2.49 .674 .908 .224 2.59 .385 -.082 1 89 BRNF24S 1911 2001 91 4 0 .481 .89 2.07 .416 .798 .255 2.70 .514 .007 1 90 BRNF77N 1882 2001 120 5 0 .603 .85 1.67 .359 .812 .211 3.03 .517 .064 1 91 BRNF77S 1878 2001 124 5 0 .531 .73 1.60 .289 .756 .206 2.65 .336 -.041 2 92 BRNF87W 1894 2001 108 5 0 .653 1.03 2.08 .345 .665 .212 2.81 .444 -.046 4 93 BRNF87E 1894 2001 108 5 0 .636 .70 1.37 .214 .638 .191 2.72 .430 -.025 1 94 BRNF13S 1856 2001 146 6 1 .557 .73 1.52 .247 .709 .182 2.47 .397 -.028 2 95 BRNF13N 1856 2001 146 6 0 .660 .59 1.04 .169 .592 .195 2.79 .472 .008 2 96 BRNF52A 1851 2001 151 6 0 .535 .86 2.03 .285 .698 .195 2.65 .495 -.032 1 PART 7: DESCRIPTIVE STATISTICS: North Fork Koyukuk 10:44 Thu 25 May 2006 Page 11 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 97 BRNF47 1854 2001 148 6 0 .605 .44 1.24 .239 .856 .217 2.60 .375 .007 1 98 BRNF02 1860 2001 142 6 0 .604 .46 .87 .103 .471 .179 2.64 .488 -.007 1 99 BRNF86 1730 2001 272 11 2 .453 .42 1.29 .208 .826 .193 2.73 .336 -.036 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 12746 544 67 .539 .65 3.59 .289 .777 .209 3.03 .434 -.010