Frost Valley, Alaska, USA - AK064 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 : AK064.CRN Measurement file name : AK064.RWL Date checked : 13JAN06 Checked by : B. Bauer Beginning year : 1611 Ending year : 2002 Principal investigators: R. D'Arrigo E. Mashig D. Frank R. Wilson G. Jacoby Site name : Frost Valley Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : +6505 Longitude : -16209 Elevation : 229M Series intercorrelation: 0.628 Avg mean sensitivity : 0.212 Avg standard deviation : 0.265 Avg autocorrelation : 0.775 Number dated series : 47 Segment length tested : 50 Number problem segments: 23 Pct problem segments : 5.58 PART 5: CORRELATION OF SERIES BY SEGMENTS: Frost Valley 12:09 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 FV00a 1849 2002 .39 .50 .66 .74 .74 .82 .81 2 FV00b 1849 1998 .26B .38 .48 .25B .25B .57 3 FV01a 1611 1874 .43 .46 .62 .59 .72 .72 .75 .68 .64 4 FV01b 1664 1870 .50 .57 .51 .69 .75 .82 .70 .67 5 FV02a 1708 2002 .60 .66 .72 .75 .71 .69 .70 .74 .75 .58 .48 .49 6 FV02b 1711 2002 .55 .59 .61 .71 .72 .73 .64 .59 .65 .61 .54 .55 7 FV03 1839 2002 .05B .39 .70 .78 .81 .78 .76 8 FV04a 1832 2002 .57 .70 .73 .78 .77 .63 .62 9 FV04b 1832 2002 .33 .50 .64 .68 .53 .27B .20B 10 FV05a 1744 2002 .42 .38 .78 .66 .57 .68 .67 .71 .71 .62 .58 11 FV05b 1842 2002 .57 .65 .74 .79 .65 .80 .81 12 FV05c 1842 2002 .62 .72 .81 .78 .73 .53 .51 13 FV06a 1717 2002 .63 .73 .77 .56 .37 .49 .79 .81 .76 .65 .62 .58 14 FV06b 1786 2002 .47 .44 .50 .68 .55 .54 .75 .49 .47B 15 FV07a 1764 2002 .82 .78 .69 .72 .62 .61 .79 .77 .70 .65 16 FV07b 1726 2002 .70 .76 .80 .76 .69 .78 .81 .77 .63 .63 .60 17 FV09a 1745 2002 .72 .74 .76 .62 .56 .71 .84 .87 .73 .62 .63 18 FV09b 1766 2002 .73 .77 .74 .72 .80 .85 .82 .75 .67 .68 19 FV10a 1739 1925 .85 .82 .77 .76 .71 .71 .83 .83 20 FV10b 1739 1926 .79 .79 .83 .76 .65 .55 .61 .60 21 FV11a 1842 2002 .20B .40 .44 .52 .69 .67 .64 22 FV11b 1839 1999 .32A .51 .61 .60 .56 .60 23 FV12a 1795 2002 .32B .31B .42 .68 .63 .59 .59 .72 .71 24 FV12b 1792 2002 .26B .31B .57 .83 .79 .75 .76 .87 .87 25 FV13a 1720 1929 .55 .59 .71 .64 .47 .63 .75 .80 .81 26 FV13b 1720 1928 .24A .41 .60 .75 .67 .66 .77 .73 .73 27 FV14 1750 1914 .59 .71 .70 .73 .35B .38B 28 FV15a 1648 1935 .33A .34 .53 .52 .72 .74 .80 .77 .74 .68 .77 .82 29 FV15b 1733 1936 .24B .46 .46 .58 .65 .57 .55 .56 30 FV16a 1826 2002 .49 .77 .89 .92 .88 .80 .78 31 FV16b 1826 2002 .11B .65 .83 .87 .81 .78 .76 32 FV17a 1719 2002 .59 .67 .66 .69 .57 .41 .77 .80 .78 .62 .41 .37 33 FV17b 1696 2002 .42 .43 .66 .71 .76 .61 .56 .75 .81 .83 .72 .70 .68 34 FV18a 1851 1992 .42 .46 .71 .78 .62 35 FV18b 1851 1987 .38 .40 .49 .66 .66 36 FV19a 1744 2002 .48 .47 .76 .67 .56 .67 .64 .66 .61 .45 .44 37 FV19b 1762 2002 .48 .66 .70 .56 .57 .55 .55 .47 .33 .33 38 FV20a 1732 2002 .64 .70 .69 .58 .60 .60 .63 .74 .73 .78 .80 39 FV20b 1720 2002 .74 .75 .77 .63 .49 .56 .76 .74 .51 .49 .75 .73 40 FV21a 1829 1995 .49 .74 .83 .78 .68 .73 41 FV21b 1739 1880 .29A .44 .64 .67 .66 .62 42 FV22a 1759 1982 .64 .68 .64 .67 .78 .84 .63 .37 .55 43 FV22b 1715 1983 .52 .60 .61 .65 .54 .62 .75 .79 .44 .26A .56 44 FV23a 1699 1925 .64 .65 .67 .64 .70 .51 .49 .38 .49 .49 45 FV23b 1702 1925 .52 .75 .85 .76 .59 .39B .63 .67 .67 46 FV25a 1844 2002 .30A .50 .76 .84 .75 .68 .68 47 FV25b 1844 2002 .50 .71 .75 .74 .80 .86 .86 Av segment correlation .38 .43 .56 .55 .62 .67 .68 .61 .53 .63 .69 .70 .65 .64 .63 PART 7: DESCRIPTIVE STATISTICS: Frost Valley 12:09 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 FV00a 1849 2002 154 7 0 .688 1.20 2.48 .389 .683 .190 2.70 .369 -.012 1 2 FV00b 1849 1998 150 6 3 .357 1.06 2.36 .352 .618 .205 2.48 .246 -.008 1 3 FV01a 1611 1874 264 9 0 .589 .72 1.56 .319 .767 .217 2.77 .457 -.042 2 4 FV01b 1664 1870 207 8 0 .628 .55 1.31 .287 .885 .180 2.62 .442 -.016 2 5 FV02a 1708 2002 295 12 0 .648 .31 .83 .147 .844 .207 2.60 .310 -.054 4 6 FV02b 1711 2002 292 12 0 .621 .25 .65 .103 .795 .215 2.61 .368 -.015 2 7 FV03 1839 2002 164 7 1 .651 1.04 2.29 .403 .744 .200 2.69 .401 -.045 2 8 FV04a 1832 2002 171 7 0 .687 .74 1.43 .265 .776 .183 2.50 .351 -.085 1 9 FV04b 1832 2002 171 7 2 .444 .68 1.56 .275 .679 .256 2.80 .418 -.060 1 10 FV05a 1744 2002 259 11 0 .590 .47 1.14 .218 .800 .212 2.66 .289 -.032 2 11 FV05b 1842 2002 161 7 0 .731 .34 .78 .124 .659 .233 2.58 .444 -.052 1 12 FV05c 1842 2002 161 7 0 .672 .37 .80 .146 .791 .206 2.74 .526 -.019 1 13 FV06a 1717 2002 286 12 0 .650 .50 1.47 .231 .783 .235 2.51 .317 -.043 3 14 FV06b 1786 2002 217 9 1 .531 .30 .92 .127 .689 .239 2.79 .407 -.023 1 15 FV07a 1764 2002 239 10 0 .693 .59 1.12 .177 .774 .166 2.50 .375 -.068 1 16 FV07b 1726 2002 277 11 0 .728 .58 1.62 .297 .898 .186 2.47 .292 -.013 5 17 FV09a 1745 2002 258 11 0 .718 .55 .95 .157 .602 .221 2.48 .331 -.018 2 18 FV09b 1766 2002 237 10 0 .756 .54 1.11 .159 .591 .214 2.53 .369 -.018 3 19 FV10a 1739 1925 187 8 0 .783 .72 1.62 .290 .769 .210 2.56 .338 -.043 1 20 FV10b 1739 1926 188 8 0 .680 .74 1.85 .288 .732 .229 2.53 .354 -.050 1 21 FV11a 1842 2002 161 7 1 .514 .86 2.06 .353 .770 .212 2.64 .399 -.019 1 22 FV11b 1839 1999 161 6 1 .549 .86 1.87 .336 .740 .207 2.51 .410 .017 1 23 FV12a 1795 2002 208 9 2 .568 .74 1.76 .234 .777 .175 2.70 .403 -.045 1 24 FV12b 1792 2002 211 9 2 .694 .72 1.67 .273 .809 .188 2.56 .387 -.026 1 25 FV13a 1720 1929 210 9 0 .682 .70 2.27 .361 .835 .232 2.51 .304 -.038 1 26 FV13b 1720 1928 209 9 1 .621 .67 3.02 .364 .734 .257 2.59 .322 -.023 2 27 FV14 1750 1914 165 6 2 .547 .78 1.78 .363 .796 .244 2.56 .351 -.056 1 28 FV15a 1648 1935 288 12 1 .603 .58 1.16 .192 .744 .179 2.62 .321 -.031 1 29 FV15b 1733 1936 204 8 1 .459 .57 1.79 .248 .702 .241 2.86 .405 .028 1 30 FV16a 1826 2002 177 7 0 .791 .71 1.61 .351 .790 .265 2.46 .416 -.060 1 31 FV16b 1826 2002 177 7 1 .689 .59 1.12 .207 .572 .259 2.59 .389 -.025 1 32 FV17a 1719 2002 284 12 0 .625 .63 1.88 .295 .844 .194 2.63 .299 -.011 2 33 FV17b 1696 2002 307 13 0 .662 .65 2.35 .342 .882 .193 2.54 .324 -.025 1 34 FV18a 1851 1992 142 5 0 .560 .88 1.72 .334 .742 .198 2.64 .364 .002 2 35 FV18b 1851 1987 137 5 0 .476 .74 1.31 .233 .614 .210 2.91 .492 .012 1 36 FV19a 1744 2002 259 11 0 .591 .66 1.72 .255 .762 .214 2.69 .344 -.032 1 37 FV19b 1762 2002 241 10 0 .501 .56 1.25 .223 .815 .200 2.70 .355 -.065 1 38 FV20a 1732 2002 271 11 0 .669 .53 1.59 .272 .882 .196 2.47 .311 -.045 1 39 FV20b 1720 2002 283 12 0 .653 .49 1.85 .317 .890 .216 2.60 .322 -.012 2 40 FV21a 1829 1995 167 6 0 .738 .58 1.27 .230 .815 .195 2.55 .332 -.012 2 41 FV21b 1739 1880 142 6 1 .511 .41 1.61 .241 .770 .235 2.73 .426 -.079 2 42 FV22a 1759 1982 224 9 0 .665 .51 1.26 .213 .726 .264 2.61 .413 -.074 1 43 FV22b 1715 1983 269 11 1 .598 .57 2.05 .398 .890 .247 2.53 .318 -.056 2 44 FV23a 1699 1925 227 10 0 .539 .65 1.82 .348 .878 .189 2.71 .364 -.040 2 45 FV23b 1702 1925 224 9 1 .603 .54 1.45 .292 .878 .190 2.64 .311 -.004 2 46 FV25a 1844 2002 159 7 1 .663 .96 1.68 .252 .593 .184 2.68 .466 -.003 1 47 FV25b 1844 2002 159 7 0 .746 .86 1.67 .357 .831 .194 2.54 .414 -.036 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10004 412 23 .628 .62 3.02 .265 .775 .212 2.91 .363 -.032