Almond Butter Upper, Alaska, USA - AK058 Additional Site Information Rosanne D'Arrigo, Erika Mashig, David Frank, Rob Wilson and Gordon Jacoby. Purpose of Collection: Climate analysis Measurement type: Total ring width Location of core material: Tree-Ring Laboratory Lamont-Doherty Earth Observatory Palisades, New York 10964 Reference: D'Arrigo, R., E. Mashig, D. Frank, R. Wilson and G. Jacoby. 2005. Temperature Variability over the past millennium inferred from northwestern Alaska tree rings. Climate Dynamics 24: 227-236. doi:10.1007/s00382-004-0502-1. COFECHA output: Chronology file name : AK058.CRN Measurement file name : AK058.RWL Date checked : 09JAN06 Checked by : B. Bauer Beginning year : 1406 Ending year : 2002 Principal investigators: R. D'Arrigo E. Mashig D. Frank R. Wilson G. Jacoby Site name : Almond Butter Upper Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : +6511 Longitude : -16213 Elevation : 213M Series intercorrelation: 0.589 Avg mean sensitivity : 0.233 Avg standard deviation : 0.187 Avg autocorrelation : 0.801 Number dated series : 60 Segment length tested : 50 Number problem segments: 70 Pct problem segments : 9.97 PART 5: CORRELATION OF SERIES BY SEGMENTS: Almond Butter Upper 17:18 Mon 09 Jan 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 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 AB00a 1721 1941 .60 .61 .57 .53 .62 .66 .59 .72 2 AB00b 1721 1923 .61 .65 .58 .63 .62 .64 .78 .85 3 AB01a 1714 1997 .66 .69 .74 .81 .68 .65 .77 .70 4 AB01b 1714 1985 .61 .53 .62 .73 .78 .65 .60 .77 5 AB02a 1620 1989 .27B .31A .52 .69 .75 .73 .66 .58 .52 .50 .52 .64 6 AB02b 1620 1991 .36 .44 .52 .80 .83 .79 .71 .76 .64 .49 .65 .75 7 AB03a 1768 2002 .90 .91 .83 .71 .73 .74 8 AB04a 1642 2002 .45 .43 .49 .70 .78 .62 .68 .85 .81 .76 .80 9 AB04b 1667 2002 .29B .28B .64 .73 .49 .66 .81 .72 .76 .80 10 AB05a 1730 1929 .57 .54 .58 .50 .65 .71 .81 11 AB05b 1730 1939 .61 .68 .68 .62 .66 .62 .56 12 AB06a 1700 1979 .13B .46 .76 .71 .68 .75 .78 .75 13 AB09a 1752 2002 .69 .71 .64 .59 .55 .75 14 AB09b 1784 1979 .54 .59 .66 .65 .73 15 AB10a 1774 2002 .78 .77 .70 .60 .73 .79 16 AB10b 1734 2002 .81 .75 .70 .52 .56 .64 .74 17 AB12a 1808 2002 .48 .49 .67 .63 18 AB12b 1758 2002 .58 .79 .77 .73 .73 .76 19 AB13a 1702 2002 .76 .74 .61 .72 .70 .68 .77 .86 20 AB13b 1656 2002 .16B .28A .73 .75 .74 .75 .72 .76 .80 .84 21 AB21 1785 2002 .42 .41 .59 .63 .76 22 AB22a 1722 2002 .60 .59 .57 .70 .59 .47 .63 .81 23 AB22b 1630 2002 .46 .59 .57 .67 .58 .70 .78 .73 .67 .61 .77 24 AB23 1711 2002 .81 .82 .77 .69 .70 .78 .77 .81 25 AB24a 1708 2002 .60 .70 .83 .78 .67 .72 .77 .79 26 AB24b 1694 2002 .64 .63 .77 .80 .75 .66 .68 .84 .82 27 AB25a 1688 2002 .77 .80 .74 .70 .76 .68 .71 .63 .66 28 AB25b 1588 2002 .49 .47 .61 .68 .72 .80 .78 .64 .73 .74 .68 .72 .76 29 AB26a 1710 2002 .59 .60 .61 .67 .62 .49 .55 .75 30 AB27 1672 2002 .07B .12B .45 .69 .70 .72 .64 .58 .54 .53 31 AB31a 1714 2002 .40 .32B .24A .19B .31A .58 .68 .84 32 ABX01a 1723 1905 .32B .34 .48 .56 .44 .35 .25B .22B 33 ABX01b 1723 1890 .32A .34 .65 .63 .48 .37 .34 34 ABX02a 1561 1849 .33A .41 .35 .68 .67 .61 .61 .49 .39B .53 .53 35 ABX02b 1561 1854 .05B .14B .28B .62 .66 .60 .62 .57 .48 .58 .53 .53 36 ABX03a 1601 1833 .37 .39 .34B .48 .60 .52 .49 .44 .42 37 ABX03b 1601 1863 .28B .24B .27B .26B .54 .61 .52 .42 .18B .26A 38 ABX04a 1610 1944 .26A .40 .58 .65 .71 .66 .46 .49 .57 .51 .52 .64 39 ABX04b 1634 1943 .55 .62 .78 .81 .69 .63 .61 .56 .62 .65 .54 40 ABX05a 1645 1951 .48 .58 .59 .68 .75 .60 .62 .73 .54 .44 .60 41 ABX05b 1645 1918 .41 .52 .56 .59 .64 .69 .56 .45 .64 .51 .40 42 ABX06a 1667 1875 .38 .49 .60 .50 .30A .20B .41 .65 .65 43 ABX06b 1667 1893 .32A .27A .40 .64 .77 .75 .64 .56 .55 44 ABX07a 1605 1787 .31A .41 .38 .48 .69 .68 .60 45 ABX08a 1451 1852 .64 .48 .57 .61 .70 .67 .46 .52 .50 .62 .69 .71 .78 .71 .57 .61 46 ABX08b 1460 1845 .44 .52 .45 .42 .54 .50 .52 .69 .55 .60 .57 .48B .66 .76 .54 47 ABX09a 1540 1917 .28A .15B .08B .36 .41 .29A .20B .23B .42 .48 .33 .21B .39 .30A .26B 48 ABX09b 1540 1909 .32A .31B .15B .25B .41 .42 .32B .21B .20B .25A .33A .25B .36 .33B .20B 49 ABX10a 1535 1812 .64 .64 .63 .46 .63 .70 .64 .70 .70 .62 .51 50 ABX10b 1535 1808 .58 .62 .55 .55 .67 .67 .70 .69 .70 .65 .61 51 ABX11a 1519 1815 .27A .35 .51 .52 .63 .72 .79 .61 .50 .70 .64 .50 52 ABX11b 1519 1816 .24A .21A .31A .49 .64 .81 .75 .59 .59 .63 .71 .53 53 ABX12a 1576 1812 .61 .48 .46 .56 .68 .72 .71 .46 .47 54 ABX12b 1576 1809 .41 .50 .54 .51 .35B .51 .66 .45 .42 55 ABX13a 1530 1845 .56 .61 .61 .52 .58 .60 .69 .66 .61 .45 .57 .62 56 ABX13b 1530 1844 .57 .54 .52 .60 .57 .31B .35 .65 .60 .44 .42 .50 57 ABX14a 1484 1824 .52 .54 .64 .73 .66 .45 .62 .63 .61 .71 .70 .76 .74 58 ABX14b 1484 1827 .38 .43 .64 .68 .59 .56 .65 .72 .78 .76 .76 .73 .73 .66 59 ABX16a 1406 1860 .72 .59 .60 .64 .50 .57 .70 .40 .32A .72 .73 .53 .61 .75 .61 .55 .46 .33A 60 ABX16b 1406 1859 .71 .71 .67 .48 .52 .69 .79 .60 .55 .74 .70 .62 .60 .66 .56 .62 .54 .34B Av segment correlation .71 .65 .59 .51 .44 .51 .51 .47 .43 .54 .51 .54 .61 .63 .61 .61 .58 .59 .63 .69 PART 5: CORRELATION OF SERIES BY SEGMENTS: Almond Butter Upper 17:18 Mon 09 Jan 2006 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 AB00a 1721 1941 .80 3 AB01a 1714 1997 .76 .77 .62 4 AB01b 1714 1985 .77 .54 .49 5 AB02a 1620 1989 .72 .59 .58 6 AB02b 1620 1991 .77 .68 .59 7 AB03a 1768 2002 .82 .74 .65 .62 8 AB04a 1642 2002 .84 .72 .71 .72 9 AB04b 1667 2002 .81 .74 .70 .72 10 AB05a 1730 1929 .81 11 AB05b 1730 1939 .63 12 AB06a 1700 1979 .65 .51 .59 13 AB09a 1752 2002 .83 .72 .65 .61 14 AB09b 1784 1979 .79 .58 .58 15 AB10a 1774 2002 .62 .33B .50 .54 16 AB10b 1734 2002 .75 .63 .72 .72 17 AB12a 1808 2002 .72 .73 .75 .74 18 AB12b 1758 2002 .65 .62 .81 .82 19 AB13a 1702 2002 .70 .36 .56 .49 20 AB13b 1656 2002 .69 .41 .40 .38 21 AB21 1785 2002 .81 .30A .24B .24B 22 AB22a 1722 2002 .84 .63 .67 .71 23 AB22b 1630 2002 .86 .72 .62 .64 24 AB23 1711 2002 .85 .77 .73 .73 25 AB24a 1708 2002 .80 .76 .75 .75 26 AB24b 1694 2002 .77 .79 .68 .69 27 AB25a 1688 2002 .77 .70 .62 .61 28 AB25b 1588 2002 .82 .66 .61 .60 29 AB26a 1710 2002 .70 .50 .49 .51 30 AB27 1672 2002 .61 .53 .52 .55 31 AB31a 1714 2002 .84 .67 .67 .69 38 ABX04a 1610 1944 .70 39 ABX04b 1634 1943 .60 40 ABX05a 1645 1951 .52 .50 Av segment correlation .75 .61 .61 .62 PART 7: DESCRIPTIVE STATISTICS: Almond Butter Upper 17:18 Mon 09 Jan 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 AB00a 1721 1941 221 9 0 .625 .55 1.40 .259 .792 .238 2.89 .446 .001 2 2 AB00b 1721 1923 203 8 0 .693 .54 1.32 .228 .697 .243 2.83 .492 -.033 1 3 AB01a 1714 1997 284 11 0 .709 .47 1.14 .193 .768 .231 2.48 .315 -.009 2 4 AB01b 1714 1985 272 11 0 .634 .51 1.08 .177 .491 .270 2.75 .449 .028 1 5 AB02a 1620 1989 370 15 2 .572 .33 1.13 .185 .804 .227 2.64 .367 -.023 2 6 AB02b 1620 1991 372 15 0 .668 .24 .53 .098 .720 .235 2.65 .362 -.013 2 7 AB03a 1768 2002 235 10 0 .768 .48 1.12 .159 .674 .201 2.57 .329 -.037 2 8 AB04a 1642 2002 361 15 0 .710 .61 1.45 .181 .694 .187 2.76 .322 -.029 1 9 AB04b 1667 2002 336 14 2 .664 .62 1.24 .170 .586 .184 2.62 .390 .004 6 10 AB05a 1730 1929 200 8 0 .676 .66 2.09 .328 .810 .235 2.60 .403 -.040 1 11 AB05b 1730 1939 210 8 0 .613 .44 .95 .181 .729 .245 2.67 .439 -.093 1 12 AB06a 1700 1979 280 11 1 .604 .40 .89 .164 .810 .207 2.48 .309 -.030 2 13 AB09a 1752 2002 251 10 0 .688 .53 1.72 .214 .745 .200 2.57 .340 -.039 1 14 AB09b 1784 1979 196 8 0 .650 .73 1.79 .284 .761 .213 2.57 .365 -.049 1 15 AB10a 1774 2002 229 10 1 .647 .19 .52 .100 .774 .292 2.69 .396 -.029 1 16 AB10b 1734 2002 269 11 0 .687 .29 .77 .163 .901 .211 2.72 .381 -.061 1 17 AB12a 1808 2002 195 8 0 .636 .66 1.56 .280 .729 .220 2.64 .418 .014 2 18 AB12b 1758 2002 245 10 0 .702 .49 .94 .153 .687 .185 2.54 .279 -.037 3 19 AB13a 1702 2002 301 12 0 .675 .35 1.99 .286 .900 .243 2.86 .406 -.019 1 20 AB13b 1656 2002 347 14 2 .629 .35 1.81 .248 .868 .239 2.93 .398 -.076 1 21 AB21 1785 2002 218 9 3 .462 .69 1.81 .285 .628 .245 2.45 .231 -.039 1 22 AB22a 1722 2002 281 12 0 .673 .32 .76 .115 .673 .230 2.86 .464 -.049 1 23 AB22b 1630 2002 373 15 0 .667 .29 .77 .147 .849 .237 2.74 .426 -.015 1 24 AB23 1711 2002 292 12 0 .778 .43 1.17 .178 .763 .216 2.72 .373 -.030 2 25 AB24a 1708 2002 295 12 0 .733 .50 1.73 .217 .741 .207 2.76 .363 -.029 1 26 AB24b 1694 2002 309 13 0 .738 .54 1.79 .266 .805 .213 2.74 .294 -.006 2 27 AB25a 1688 2002 315 13 0 .697 .19 .52 .082 .588 .332 2.81 .397 -.011 1 28 AB25b 1588 2002 415 17 0 .674 .18 .51 .074 .499 .317 2.72 .356 -.019 1 29 AB26a 1710 2002 293 12 0 .608 .34 1.02 .173 .811 .232 2.63 .397 -.036 1 30 AB27 1672 2002 331 14 2 .533 .30 1.38 .260 .951 .213 2.72 .365 -.042 1 31 AB31a 1714 2002 289 12 4 .576 .38 1.07 .219 .899 .189 2.61 .373 -.081 1 32 ABX01a 1723 1905 183 8 3 .377 .26 .74 .124 .777 .247 2.87 .504 .046 1 33 ABX01b 1723 1890 168 7 1 .450 .26 .88 .172 .869 .212 2.53 .404 -.070 1 34 ABX02a 1561 1849 289 11 2 .517 .25 .82 .116 .683 .262 2.85 .390 -.047 1 35 ABX02b 1561 1854 294 12 3 .459 .21 .80 .108 .807 .247 2.72 .377 -.005 1 36 ABX03a 1601 1833 233 9 1 .432 .27 1.02 .185 .846 .258 2.81 .338 -.004 1 37 ABX03b 1601 1863 263 10 6 .370 .36 1.65 .305 .863 .288 2.70 .451 .012 2 38 ABX04a 1610 1944 335 13 1 .544 .36 1.23 .282 .926 .212 2.87 .406 -.015 6 39 ABX04b 1634 1943 310 12 0 .612 .41 1.60 .379 .937 .235 2.68 .378 -.036 3 40 ABX05a 1645 1951 307 13 0 .559 .27 1.20 .239 .896 .250 2.62 .289 -.021 1 41 ABX05b 1645 1918 274 11 0 .516 .34 1.06 .241 .887 .283 2.62 .377 -.028 1 42 ABX06a 1667 1875 209 9 2 .439 .30 .89 .210 .862 .295 2.67 .436 -.024 1 43 ABX06b 1667 1893 227 9 2 .536 .25 .99 .186 .838 .307 2.73 .433 -.028 1 44 ABX07a 1605 1787 183 7 1 .487 .33 1.10 .221 .838 .302 2.86 .402 -.028 1 45 ABX08a 1451 1852 402 16 0 .607 .29 .77 .111 .681 .235 2.66 .320 -.014 1 46 ABX08b 1460 1845 386 15 1 .526 .27 .68 .120 .819 .215 2.62 .369 -.008 1 47 ABX09a 1540 1917 378 15 9 .296 .20 .80 .134 .891 .222 2.62 .343 -.033 1 48 ABX09b 1540 1909 370 15 12 .265 .18 .80 .121 .900 .215 2.62 .307 -.043 1 PART 7: DESCRIPTIVE STATISTICS: Almond Butter Upper 17:18 Mon 09 Jan 2006 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 ABX10a 1535 1812 278 11 0 .611 .31 1.03 .162 .882 .214 2.66 .388 -.060 1 50 ABX10b 1535 1808 274 11 0 .619 .34 1.42 .209 .883 .234 2.55 .359 -.039 1 51 ABX11a 1519 1815 297 12 1 .547 .30 .79 .145 .815 .223 2.71 .429 -.023 1 52 ABX11b 1519 1816 298 12 3 .532 .32 .94 .169 .836 .232 2.68 .387 -.046 1 53 ABX12a 1576 1812 237 9 0 .574 .46 1.03 .209 .843 .192 2.76 .440 -.009 1 54 ABX12b 1576 1809 234 9 1 .476 .46 1.38 .220 .803 .229 2.75 .447 .002 1 55 ABX13a 1530 1845 316 12 0 .586 .28 .86 .171 .895 .187 2.53 .364 -.042 2 56 ABX13b 1530 1844 315 12 1 .506 .26 1.01 .165 .899 .213 2.66 .394 -.037 1 57 ABX14a 1484 1824 341 13 0 .637 .40 .92 .209 .890 .207 2.46 .294 -.022 3 58 ABX14b 1484 1827 344 14 0 .647 .40 1.15 .218 .887 .208 2.62 .367 -.047 2 59 ABX16a 1406 1860 455 18 2 .573 .19 1.02 .139 .922 .238 2.67 .411 -.020 1 60 ABX16b 1406 1859 454 18 1 .600 .21 1.05 .160 .909 .239 2.79 .458 -.012 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 17442 702 70 .589 .36 2.09 .187 .801 .233 2.93 .379 -.027