Hey Bear, Alaska, USA - AK066 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 : AK066.CRN Measurement file name : AK066.RWL Date checked : 13JAN06 Checked by : B. Bauer Beginning year : 1533 Ending year : 2002 Principal investigators: R. D'Arrigo E. Mashig D. Frank R. Wilson G. Jacoby Site name : Hey Bear Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : +6513 Longitude : -16213 Elevation : 213M Series intercorrelation: 0.628 Avg mean sensitivity : 0.223 Avg standard deviation : 0.236 Avg autocorrelation : 0.806 Number dated series : 52 Segment length tested : 50 Number problem segments: 35 Pct problem segments : 6.41 PART 5: CORRELATION OF SERIES BY SEGMENTS: Hey Bear 12:14 Fri 13 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 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 HB08a 1740 2002 .53 .37 .37 .35 .26B .51 .60 .70 .80 .61 .59 2 HB08b 1740 2002 .64 .51 .45 .39 .33 .62 .72 .70 .66 .67 .65 3 HB01 1704 2001 .71 .70 .62 .65 .62 .48 .36 .50 .65 .55 .54 .53 4 HB03a 1886 2002 .43 .62 .63 .42 .40 5 HB03b 1886 1980 .38 .44 .40 .36 6 HB04 1840 2002 .31B .48 .58 .73 .73 .62 .59 7 HB05a 1678 2002 .63 .78 .72 .73 .81 .59 .50 .47 .61 .72 .64 .72 .69 8 HB05b 1697 2002 .83 .81 .76 .76 .68 .57 .64 .74 .76 .82 .74 .66 .66 9 HB06 1780 2002 .46 .55 .77 .73 .76 .75 .63 .73 .72 10 HB07a 1679 2002 .44 .62 .66 .64 .63 .45 .52 .77 .74 .75 .75 .73 .72 11 HB07b 1679 1873 .22A .48 .72 .64 .71 .72 .62 12 HB08a 1740 2002 .53 .37 .37 .35 .26B .51 .60 .70 .80 .61 .59 13 HB08b 1740 2002 .64 .51 .45 .39 .33 .62 .72 .70 .66 .67 .65 14 HB09 1787 2002 .58 .64 .55 .53 .72 .83 .71 .44 .37 15 HB10a 1696 2002 .64 .64 .74 .63 .60 .57 .66 .79 .81 .82 .69 .65 .64 16 HB11 1703 2002 .56 .45 .37 .40 .39B .51 .48 .62 .71 .50 .41 .41 17 HB12 1840 2002 .20B .21B .49 .75 .76 .78 .78 18 HB13a 1671 2002 .44 .49 .74 .78 .73 .79 .68 .53 .74 .76 .74 .59 .31B .32A 19 HB13b 1696 2002 .69 .66 .73 .66 .75 .69 .56 .70 .75 .72 .43 .15B .11B 20 HB13c 1604 2002 .28A .51 .36 .43 .58 .66 .68 .69 .62 .53 .71 .78 .77 .62 .37 .37 21 HB14a 1727 2002 .81 .83 .75 .66 .72 .86 .85 .84 .71 .71 .70 22 HB14b 1701 2002 .55 .75 .82 .69 .64 .73 .83 .85 .88 .79 .69 .68 23 HB16a 1710 2002 .70 .76 .65 .70 .71 .57 .63 .79 .69 .50 .58 .57 24 HB16b 1679 2002 .64 .73 .66 .56 .65 .59 .48 .69 .77 .74 .57 .58 .51 25 HB17a 1696 2002 .83 .83 .84 .82 .76 .64 .68 .72 .76 .84 .78 .78 .76 26 HB17b 1655 2002 .11B .49 .78 .82 .81 .68 .57 .65 .75 .80 .87 .78 .72 .72 27 HB18b 1855 2002 .75 .74 .63 .61 .76 .76 28 HB19 1763 2002 .58 .61 .62 .68 .71 .77 .78 .70 .71 .70 29 HB20a 1845 2001 .57 .61 .74 .74 .57 .63 .60 30 HB20b 1851 2000 .58 .62 .76 .70 .70 .70 31 HB21a 1736 2002 .62 .55 .74 .71 .55 .79 .85 .85 .82 .76 .78 32 HB21b 1741 2002 .65 .68 .71 .65 .59 .78 .87 .91 .84 .75 .76 33 HB22a 1754 2002 .60 .63 .71 .83 .86 .78 .77 .74 .69 .66 34 HB22b 1750 2002 .10B .56 .61 .72 .85 .87 .88 .81 .64 .62 35 HB23a 1703 2002 .40 .58 .51 .38 .30B .42 .64 .78 .79 .66 .73 .71 36 HB23b 1735 2002 .49 .37 .35B .43 .53 .73 .85 .90 .82 .64 .62 37 HB24a 1619 2002 .44 .43 .62 .62 .58 .69 .59 .62 .58 .49 .58 .70 .83 .76 .72 .71 38 HB24b 1619 2002 .55 .51 .60 .63 .64 .68 .62 .65 .68 .76 .76 .75 .79 .78 .72 .72 39 HB25a 1708 2002 .79 .80 .72 .74 .74 .75 .71 .77 .69 .39 .20B .19B 40 HB25b 1533 2002 .23B .31B .27A .38 .49 .57 .67 .58 .57 .62 .60 .67 .61 .40 .45 .47 41 HB26a 1806 2001 .79 .75 .72 .77 .70 .53 .35 .33 42 HB26b 1854 2002 .60 .57 .62 .47 .63 .63 43 HB27a 1813 2002 .30A .36B .56 .72 .68 .40 .32B .29A 44 HB28a 1846 2002 .48 .65 .76 .79 .76 .79 .76 45 HB28b 1846 2002 .29B .53 .68 .75 .76 .44 .40 46 HB30a 1700 2002 .19B .55 .57 .54 .45 .42 .71 .84 .80 .69 .75 .75 47 HB30b 1681 2002 -.11B .18B .58 .56 .35 .35 .55 .70 .73 .70 .66 .63 .61 48 HB31a 1756 1896 .59 .80 .71 .60 .57 49 HB31a 1900 2002 .71 .69 .62 .60 50 HB31b 1773 2002 .71 .73 .58 .46 .66 .73 .79 .77 .75 .73 51 HB32a 1610 2002 .25B .26B .32A .46 .57 .61 .58 .63 .57 .47 .67 .78 .78 .54 .62 .61 52 HB32b 1750 2002 .28A .17B .24B .50 .78 .89 .83 .58 .44 .44 Av segment correlation .35 .40 .39 .52 .61 .67 .59 .60 .56 .54 .66 .72 .75 .66 .60 .59 PART 7: DESCRIPTIVE STATISTICS: Hey Bear 12:14 Fri 13 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 HB08a 1740 2002 263 11 1 .531 .54 1.97 .271 .789 .217 2.79 .482 .009 1 2 HB08b 1740 2002 263 11 0 .602 .34 1.34 .180 .835 .239 2.66 .374 -.059 2 3 HB01 1704 2001 298 12 0 .566 .43 1.44 .191 .673 .281 2.63 .315 -.036 1 4 HB03a 1886 2002 117 5 0 .460 .60 .96 .165 .434 .237 2.49 .371 -.050 1 5 HB03b 1886 1980 95 4 0 .352 1.11 3.44 .641 .492 .376 2.80 .495 .040 1 6 HB04 1840 2002 163 7 1 .592 .30 .73 .138 .829 .225 2.66 .425 -.028 2 7 HB05a 1678 2002 325 13 0 .646 .37 1.09 .196 .855 .238 2.74 .413 -.025 2 8 HB05b 1697 2002 306 13 0 .728 .29 .77 .131 .796 .228 2.54 .318 -.005 2 9 HB06 1780 2002 223 9 0 .651 .34 .82 .115 .736 .190 2.52 .341 -.001 2 10 HB07a 1679 2002 324 13 0 .653 .39 1.28 .210 .861 .217 2.66 .313 -.034 1 11 HB07b 1679 1873 195 7 1 .571 .44 1.41 .289 .873 .248 2.67 .327 -.034 1 12 HB08a 1740 2002 263 11 1 .531 .54 1.97 .271 .789 .217 2.79 .482 .009 1 13 HB08b 1740 2002 263 11 0 .602 .34 1.34 .180 .835 .239 2.66 .374 -.059 2 14 HB09 1787 2002 216 9 0 .611 .46 1.67 .249 .814 .258 2.66 .425 -.038 2 15 HB10a 1696 2002 307 13 0 .691 .27 .95 .131 .754 .268 2.57 .330 -.019 6 16 HB11 1703 2002 300 12 1 .510 .33 1.18 .155 .715 .233 2.70 .341 -.013 1 17 HB12 1840 2002 163 7 2 .564 .68 1.92 .482 .909 .224 2.73 .545 -.059 1 18 HB13a 1671 2002 332 14 2 .632 .31 .63 .099 .705 .195 2.67 .386 -.002 2 19 HB13b 1696 2002 307 13 2 .605 .32 .69 .109 .755 .178 2.71 .365 -.013 1 20 HB13c 1604 2002 399 16 1 .561 .32 .62 .096 .668 .192 2.59 .317 -.010 2 21 HB14a 1727 2002 276 11 0 .770 .45 1.44 .237 .874 .202 2.56 .317 -.076 1 22 HB14b 1701 2002 302 12 0 .748 .43 1.37 .232 .855 .222 2.60 .330 -.051 2 23 HB16a 1710 2002 293 12 0 .651 .53 1.51 .302 .876 .213 2.58 .381 -.045 2 24 HB16b 1679 2002 324 13 0 .644 .54 1.43 .268 .891 .186 2.64 .381 -.031 2 25 HB17a 1696 2002 307 13 0 .759 .29 .76 .150 .826 .236 2.56 .358 .012 2 26 HB17b 1655 2002 348 14 1 .677 .32 .76 .144 .772 .242 2.74 .478 -.008 4 27 HB18b 1855 2002 148 6 0 .699 .31 .74 .130 .844 .182 2.60 .365 -.066 1 28 HB19 1763 2002 240 10 0 .704 .21 .45 .080 .703 .243 2.60 .409 -.071 1 29 HB20a 1845 2001 157 7 0 .663 .70 2.45 .434 .844 .242 2.82 .426 -.077 2 30 HB20b 1851 2000 150 6 0 .680 .68 1.89 .410 .853 .248 2.52 .431 -.019 2 31 HB21a 1736 2002 267 11 0 .744 .72 1.58 .335 .829 .224 2.51 .386 -.034 2 32 HB21b 1741 2002 262 11 0 .767 .60 1.61 .242 .751 .220 2.80 .439 -.024 2 33 HB22a 1754 2002 249 10 0 .734 .62 1.57 .311 .847 .215 2.69 .336 -.008 2 34 HB22b 1750 2002 253 10 1 .683 .67 1.89 .356 .854 .219 2.58 .368 -.019 2 35 HB23a 1703 2002 300 12 1 .587 .42 1.71 .223 .834 .201 2.67 .334 -.064 1 36 HB23b 1735 2002 268 11 1 .661 .41 1.07 .216 .868 .193 2.58 .363 -.043 1 37 HB24a 1619 2002 384 16 0 .625 .26 1.12 .142 .777 .247 2.86 .392 -.024 4 38 HB24b 1619 2002 384 16 0 .687 .28 .87 .141 .831 .235 2.52 .295 -.031 2 39 HB25a 1708 2002 295 12 2 .643 .31 1.40 .190 .832 .239 2.67 .370 -.010 1 40 HB25b 1533 2002 470 16 3 .492 .23 .56 .104 .797 .220 2.78 .377 -.020 1 41 HB26a 1806 2001 196 8 0 .605 .73 2.33 .439 .825 .235 2.73 .422 -.024 1 42 HB26b 1854 2002 149 6 0 .571 .90 3.30 .683 .866 .253 2.54 .321 .007 1 43 HB27a 1813 2002 190 8 4 .435 .30 .72 .143 .757 .238 2.57 .338 -.048 1 44 HB28a 1846 2002 157 7 0 .717 .61 1.36 .293 .854 .201 2.62 .430 -.057 1 45 HB28b 1846 2002 157 7 1 .567 .61 1.41 .266 .788 .192 2.64 .478 -.012 1 46 HB30a 1700 2002 303 12 1 .612 .40 1.27 .236 .865 .207 2.70 .360 -.063 1 47 HB30b 1681 2002 322 13 2 .519 .34 .91 .179 .871 .207 2.70 .361 -.023 1 48 HB31a 1756 1896 141 5 0 .624 6.90 15.20 2.175 .726 .175 2.71 .385 -.012 1 PART 7: DESCRIPTIVE STATISTICS: Hey Bear 12:14 Fri 13 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 HB31a 1900 2002 103 4 0 .678 .34 .96 .144 .840 .183 2.48 .361 -.060 2 50 HB31b 1773 2002 230 10 0 .705 .56 1.53 .275 .839 .190 2.75 .352 -.016 2 51 HB32a 1610 2002 393 16 3 .570 .35 1.05 .199 .875 .212 2.69 .356 -.025 4 52 HB32b 1750 2002 253 10 3 .571 .32 .98 .211 .882 .236 2.65 .401 -.042 4 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 13393 546 35 .628 .49 15.20 .236 .806 .223 2.86 .376 -.028