Nabesna Mine, Alaska, USA - AK074 Additional Site Information Gordon Jacoby, Nicole Davi, and Greg Wiles Purpose of Collection: Climate analysis Measurement type: Ring width and Maximum Density Location of core material: Tree-Ring Laboratory Lamont-Doherty Earth Observatory Palisades, New York 10964 Reference: Davi, N.K, Jacoby, G.C., Wiles, G.C., 2003. Boreal temperature variability inferred from maximum latewood density and tree-ring width data, Wrangell Mountain region, Alaska. Quaternary Research, Vol. 60, pp. 252-262. COFECHA output: Chronology file name : AK074.CRN Measurement file name : AK074.RWL Date checked : 11APR06 Checked by : B. Bauer Beginning year : 1471 Ending year : 1997 Principal investigators: Gordon Jacoby Nicole Davi Greg Wiles Site name : Nabesna Mine Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : +6222 Longitude : -14303 Elevation : 1167M Series intercorrelation: 0.596 Avg mean sensitivity : 0.200 Avg standard deviation : 0.143 Avg autocorrelation : 0.831 Number dated series : 37 Segment length tested : 50 Number problem segments: 18 Pct problem segments : 4.50 PART 5: CORRELATION OF SERIES BY SEGMENTS: Nabesa Mine RW 17:40 Tue 11 Apr 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 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 NM01WSE 1750 1997 .64 .39 .40 .66 .67 .37 .39 .43 .43 2 NM02SSE 1737 1997 .47 .47 .59 .38 .18A .38 .45 .49 .63 .73 3 !NM03.S 1750 1962 .77 .56 .42 .17B .28B .63 .50 .42 4 !NM05.S 1699 1997 .59 .67 .57 .41 .36 .60 .73 .53 .59 .69 .61 .48 5 NM05SBS 1860 1997 .63 .75 .77 .66 .57 6 NM08NW2 1550 1997 .68 .65 .66 .74 .66 .55 .64 .73 .72 .61 .64 .73 .68 .79 .89 .87 .80 7 NM08SES 1540 1997 .52 .68 .71 .73 .78 .72 .69 .75 .78 .72 .76 .82 .69 .60 .73 .80 .81 .75 8 !NM091S 1680 1997 .40 .53 .52 .40 .60 .70 .57 .56 .68 .64 .59 .55 9 NM09NW3 1710 1997 .62 .57 .46 .65 .83 .71 .63 .71 .71 .60 .55 10 NM09NW2 1730 1997 .47 .48 .58 .77 .63 .61 .69 .65 .57 .42 11 NM09SWS 1860 1997 .44 .48 .63 .68 .60 12 NM10WSE 1800 1997 .61 .55 .61 .70 .75 .81 .83 13 NM11S.S 1471 1980 .44 .39 .38 .45 .38 .63 .66 .52 .37 .37 .31A .37 .58 .47 .44 .49 .25B .33 .69 .67 14 NM12E.S 1700 1997 .55 .57 .46 .52 .51 .40 .63 .81 .68 .62 .62 15 NM12W2. 1656 1997 .26B .73 .78 .75 .67 .53 .34B .38 .70 .78 .75 .59 .59 16 NM14W.S 1540 1990 .51 .55 .54 .66 .70 .66 .50 .55 .61 .45 .20B .34B .55 .69 .66 .69 .72 .69 17 NM15NWS 1610 1997 .75 .78 .61 .45 .60 .47 .37 .51 .61 .64 .78 .62 .61 .75 .76 18 NM16N.S 1476 1997 .34 .29B .38 .62 .56 .43 .63 .70 .58 .47 .25A .23A .49 .58 .34 .36B .73 .77 .48 .44 19 NM16N2. 1649 1997 .47 .45 .38 .54 .50B .35 .33 .40 .44 .54 .41 .46 .54 .51 20 NM17ESE 1750 1990 .64 .63 .56 .57 .73 .78 .71 .70 .78 21 NM17NSE 1770 1997 .54 .59 .72 .61 .56 .64 .63 .37 .43 22 NM17NW. 1780 1997 .62 .70 .60 .40 .64 .79 .69 .57 23 NM18W.S 1740 1997 .72 .63 .72 .77 .62 .53 .75 .83 .74 .79 24 NM18W2S 1700 1980 .39 .64 .58 .48 .62 .69 .81 .73 .72 .78 .78 25 NM18NSE 1730 1997 .25B .25B .49 .70 .76 .71 .83 .87 .82 .78 26 NM18WSE 1740 1997 .72 .63 .72 .77 .62 .53 .75 .83 .74 .79 27 !NM19N. 1691 1997 .35B .45B .59 .68 .59 .71 .62 .35 .47 .65 .71 .52 28 NM19WSE 1740 1997 .68 .56 .35 .54 .66 .62 .74 .72 .72 .77 29 NM20S.S 1740 1997 .83 .74 .79 .84 .76 .75 .75 .75 .76 .79 30 NM20NSE 1680 1997 .67 .68 .75 .76 .73 .75 .66 .62 .76 .74 .59 .61 31 NM20S'S 1790 1996 .68 .68 .70 .47 .62 .82 .82 .78 32 NMSTU 1 1760 1997 .50 .47 .60 .61 .50 .55 .71 .77 .62 33 NMSTU 4 1840 1997 .63 .62 .57 .62 .59 .63 34 NMST2B. 1764 1997 .59 .68 .78 .60 .63 .74 .60 .52 .53 35 NMSTUB2 1790 1997 .57 .68 .67 .48 .53 .68 .75 .75 36 NMX1STU 1765 1997 .65 .67 .67 .62 .61 .64 .62 .48 .53 37 NMSTB39 1869 1997 .77 .75 .66 .65 .85 Av segment correlation .39 .34 .45 .59 .57 .64 .68 .57 .52 .57 .58 .54 .56 .62 .58 .58 .65 .68 .66 .65 PART 7: DESCRIPTIVE STATISTICS: Nabesa Mine RW 17:40 Tue 11 Apr 2006 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 NM01WSE 1750 1997 248 9 0 .482 .32 .81 .144 .858 .181 2.62 .361 -.036 1 2 NM02SSE 1737 1997 261 10 1 .469 .36 1.74 .352 .946 .178 2.85 .407 -.011 1 3 !NM03.S 1750 1962 213 8 2 .465 .14 .46 .098 .932 .221 2.58 .387 -.035 1 4 !NM05.S 1699 1997 299 12 0 .540 .22 .66 .104 .867 .214 2.65 .413 .030 1 5 NM05SBS 1860 1997 138 5 0 .652 .18 .32 .059 .700 .189 2.52 .421 -.047 1 6 NM08NW2 1550 1997 448 17 0 .705 .25 .58 .106 .745 .260 2.61 .360 .041 2 7 NM08SES 1540 1997 458 18 0 .698 .27 .96 .158 .852 .244 2.68 .385 -.005 1 8 !NM091S 1680 1997 318 12 0 .538 .29 .67 .127 .889 .159 2.74 .378 .024 2 9 NM09NW3 1710 1997 288 11 0 .642 .31 .68 .124 .877 .156 2.61 .362 -.011 2 10 NM09NW2 1730 1997 268 10 0 .543 .31 .63 .120 .896 .141 2.50 .306 -.008 1 11 NM09SWS 1860 1997 138 5 0 .604 .44 .72 .101 .706 .138 2.70 .545 .033 2 12 NM10WSE 1800 1997 198 7 0 .699 .50 1.38 .276 .912 .197 2.83 .492 .032 1 13 NM11S.S 1471 1980 510 20 2 .441 .25 1.04 .197 .958 .171 2.58 .321 .001 1 14 NM12E.S 1700 1997 298 11 0 .584 .40 1.50 .238 .907 .182 2.81 .460 -.002 3 15 NM12W2. 1656 1997 342 13 2 .571 .25 1.49 .245 .962 .199 2.69 .397 .007 2 16 NM14W.S 1540 1990 451 18 2 .578 .17 .51 .098 .861 .244 2.66 .391 .027 1 17 NM15NWS 1610 1997 388 15 0 .629 .20 .49 .073 .756 .204 2.74 .414 .046 1 18 NM16N.S 1476 1997 522 20 4 .486 .19 .82 .143 .935 .206 2.64 .309 -.003 1 19 NM16N2. 1649 1997 349 14 1 .431 .20 1.01 .200 .953 .264 2.57 .342 -.028 1 20 NM17ESE 1750 1990 241 9 0 .688 .40 1.08 .197 .896 .161 2.71 .470 .002 3 21 NM17NSE 1770 1997 228 9 0 .558 .34 .57 .094 .735 .162 2.70 .398 -.003 1 22 NM17NW. 1780 1997 218 8 0 .608 .32 .57 .081 .647 .170 2.55 .379 -.035 3 23 NM18W.S 1740 1997 258 10 0 .714 .32 .77 .144 .842 .202 2.67 .375 -.017 1 24 NM18W2S 1700 1980 281 11 0 .623 .26 .70 .117 .859 .194 2.67 .381 -.007 2 25 NM18NSE 1730 1997 268 10 2 .636 .34 1.06 .176 .819 .226 2.70 .384 -.021 1 26 NM18WSE 1740 1997 258 10 0 .714 .32 .77 .144 .842 .202 2.67 .375 -.017 1 27 !NM19N. 1691 1997 307 12 2 .543 .26 .71 .112 .770 .221 2.63 .399 -.019 1 28 NM19WSE 1740 1997 258 10 0 .665 .42 .87 .184 .865 .187 2.57 .382 -.024 1 29 NM20S.S 1740 1997 258 10 0 .772 .22 .40 .065 .614 .212 2.60 .324 .014 1 30 NM20NSE 1680 1997 318 12 0 .683 .26 .52 .084 .686 .199 2.55 .351 -.005 1 31 NM20S'S 1790 1996 207 8 0 .702 .22 .42 .058 .220 .251 2.66 .384 .001 1 32 NMSTU 1 1760 1997 238 9 0 .570 .32 .68 .119 .823 .179 2.52 .351 -.021 1 33 NMSTU 4 1840 1997 158 6 0 .613 .37 .79 .125 .845 .152 2.68 .399 -.055 1 34 NMST2B. 1764 1997 234 9 0 .520 .33 .67 .110 .765 .200 2.55 .277 .001 1 35 NMSTUB2 1790 1997 208 8 0 .623 .36 1.03 .173 .890 .175 2.55 .365 .060 1 36 NMX1STU 1765 1997 233 9 0 .611 .23 .51 .094 .836 .201 2.50 .333 -.008 2 37 NMSTB39 1869 1997 129 5 0 .743 .42 .87 .152 .768 .225 2.52 .485 -.017 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10435 400 18 .596 .28 1.74 .143 .831 .200 2.85 .378 -.001