Burnt Over, Alaska, USA - AK060 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 : AK060.CRN Measurement file name : AK060.RWL Date checked : 13JAN06 Checked by : B. Bauer Beginning year : 1621 Ending year : 2002 Principal investigators: R. D'Arrigo E. Mashig D. Frank R. Wilson G. Jacoby Site name : Burnt Over Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : +6513 Longitude : -16215 Elevation : 259M Series intercorrelation: 0.634 Avg mean sensitivity : 0.221 Avg standard deviation : 0.203 Avg autocorrelation : 0.776 Number dated series : 24 Segment length tested : 50 Number problem segments: 13 Pct problem segments : 5.22 PART 5: CORRELATION OF SERIES BY SEGMENTS: Burnt Over 11:53 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 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BO01a 1724 1980 .54 .55 .56 .74 .73 .56 .50 .51 .56 .50 .48 2 BO01b 1642 1983 .01B .06B .30A .57 .65 .84 .87 .72 .60 .74 .65 .67 .67 .66 3 BO02a 1877 1990 .47 .71 .72 .66 4 BO02b 1877 1992 .47 .74 .71 .59 5 BO03a 1633 1997 .25A .32A .46 .58 .51 .35B .53 .67 .63 .48 .54 .64 .60 .37 6 BO04a 1884 2002 .69 .82 .78 .69 .70 7 BO04b 1849 2002 .60 .62 .74 .76 .78 .72 .73 8 BO05a 1621 1939 .18B .56 .79 .71 .66 .69 .58 .41B .36 .64 .76 .73 9 BO05b 1665 1939 .54 .61 .62 .74 .65 .61 .51 .45 .67 .74 .71 10 BO06a 1815 1962 .28A .26B .53 .69 .45 .40 11 BO07a 1670 2002 .49 .55 .82 .81 .68 .72 .55 .44 .73 .69 .67 .73 .66 .67 12 BO07b 1711 2002 .73 .74 .73 .71 .67 .67 .57 .66 .74 .52 .45 .41 13 BO07c 1709 2002 .78 .76 .70 .76 .69 .61 .69 .71 .78 .77 .78 .71 14 BO10a 1696 2002 .58 .60 .74 .67 .58 .50 .49 .68 .75 .69 .66 .64 .63 15 BO10b 1665 2002 .65 .63 .63 .67 .63 .56 .39 .33B .58 .67 .75 .69 .62 .63 16 BO21a 1728 2002 .77 .79 .75 .70 .57 .58 .80 .90 .83 .66 .66 17 BO21b 1705 2002 .82 .77 .78 .78 .63 .58 .73 .81 .79 .73 .63 .56 18 BO22a 1773 2002 .74 .74 .79 .76 .70 .74 .80 .75 .70 .72 19 BO22b 1808 2002 .79 .70 .70 .69 .75 .77 .70 .70 20 BO25a 1627 2002 .02B .36 .64 .72 .76 .67 .65 .55 .54 .58 .65 .73 .50 .44 .36 21 BO25b 1696 2002 .75 .73 .71 .56 .62 .76 .68 .63 .73 .63 .32A .42 .41 22 BO26a 1750 2002 .62 .76 .84 .77 .80 .76 .68 .69 .72 .72 23 BO26b 1768 2002 .66 .74 .80 .73 .70 .71 .67 .69 .70 .71 24 BO27b 1827 2002 .49 .59 .76 .83 .80 .80 .74 Av segment correlation .11 .43 .59 .68 .70 .67 .69 .63 .56 .64 .68 .72 .67 .62 .63 PART 7: DESCRIPTIVE STATISTICS: Burnt Over 11:53 Fri 13 Jan 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 BO01a 1724 1980 257 11 0 .560 .33 1.57 .249 .816 .251 2.70 .490 -.021 2 2 BO01b 1642 1983 342 14 3 .576 .37 1.73 .250 .816 .242 2.82 .378 -.046 1 3 BO02a 1877 1990 114 4 0 .622 .66 1.34 .210 .607 .202 2.45 .353 -.032 1 4 BO02b 1877 1992 116 4 0 .551 .86 1.71 .214 .460 .198 2.78 .516 -.040 1 5 BO03a 1633 1997 365 14 3 .505 .43 .98 .149 .674 .222 2.75 .404 -.028 1 6 BO04a 1884 2002 119 5 0 .714 .27 .56 .120 .772 .271 2.63 .517 -.034 1 7 BO04b 1849 2002 154 7 0 .704 .31 .75 .115 .671 .244 2.63 .420 -.003 1 8 BO05a 1621 1939 319 12 2 .570 .55 1.61 .308 .904 .190 2.59 .412 .035 1 9 BO05b 1665 1939 275 11 0 .632 .64 1.77 .343 .904 .168 2.51 .304 -.063 1 10 BO06a 1815 1962 148 6 2 .462 .57 1.78 .279 .844 .188 2.56 .346 -.093 1 11 BO07a 1670 2002 333 14 0 .658 .36 1.02 .208 .886 .204 2.56 .337 -.014 2 12 BO07b 1711 2002 292 12 0 .650 .30 .86 .172 .896 .208 2.54 .359 -.037 2 13 BO07c 1709 2002 294 12 0 .719 .39 1.10 .209 .860 .213 2.81 .400 -.022 2 14 BO10a 1696 2002 307 13 0 .615 .32 .92 .168 .868 .200 2.67 .460 -.018 1 15 BO10b 1665 2002 338 14 1 .608 .36 .91 .178 .829 .220 2.77 .414 -.045 1 16 BO21a 1728 2002 275 11 0 .741 .41 1.49 .231 .795 .240 2.73 .369 -.050 1 17 BO21b 1705 2002 298 12 0 .719 .43 1.43 .222 .768 .241 2.84 .417 -.044 1 18 BO22a 1773 2002 230 10 0 .749 .66 1.44 .194 .495 .227 2.62 .330 -.012 1 19 BO22b 1808 2002 195 8 0 .723 .67 1.25 .194 .610 .202 2.66 .405 .012 1 20 BO25a 1627 2002 376 15 1 .516 .27 .82 .154 .846 .255 2.60 .341 -.026 1 21 BO25b 1696 2002 307 13 1 .616 .30 .81 .169 .860 .238 2.88 .461 -.049 1 22 BO26a 1750 2002 253 10 0 .726 .45 1.09 .175 .680 .222 2.65 .463 -.003 1 23 BO26b 1768 2002 235 10 0 .681 .43 1.05 .175 .705 .229 2.53 .373 -.006 1 24 BO27b 1827 2002 176 7 0 .708 .59 .98 .148 .438 .211 2.57 .412 -.044 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6118 249 13 .634 .43 1.78 .203 .776 .221 2.88 .399 -.028