Beasley Creek, Alaska - AK092 Additional Site Information Greg Wiles and Gordon Jacoby Purpose of Collection: Climatology - temperature analyses Detrend Method: Negative exponential or linear regression of any slope Cores are stored at: Cores are stored at The College of Wooster, Wooster Tree Ring Lab housed in the Department of Geology. Available on request. References: Wilson, R., Wiles, G., D’Arrigo, R. and Zweck, C.. 2007. Cycles and shifts: 1300-years of multidecadal temperature variability in the Gulf of Alaska. Climate Dynamics, 28: 425-440, DOI 10.1007/s00382-006-0194-9. Notes: This ring-width series was collected for dendroclimatic studies. COFECHA output: Chronology file name : AK092.CRN Measurement file name : AK092.RWL Date checked : 08DEC09 Checked by : B. Bauer Beginning year : 1553 Ending year : 1993 Principal investigators: Greg Wiles Gordon Jacoby Site name : Beasley Creek Site location : Alaska Species information : TSME MOUNTAIN HEMLOCK Latitude : 5937 Longitude : -13912 Elevation : 205M Series intercorrelation: 0.563 Avg mean sensitivity : 0.251 Avg standard deviation : 0.421 Avg autocorrelation : 0.813 Number dated series : 34 Segment length tested : 50 Number problem segments: 24 Pct problem segments : 7.19 PART 5: CORRELATION OF SERIES BY SEGMENTS: Beasley Creek 16:31 Tue 08 Dec 2009 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 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BC2SE 1804 1993 .53 .58 .47 .54 .67 .76 .65 2 BC4SE 1759 1993 .44 .43 .62 .64 .82 .74 .48 .50 .53 3 BC6SW 1791 1993 .66 .73 .44 .38 .60 .53 .48 .36 4 BC7SW 1764 1993 .59 .55 .66 .53 .69 .65 .59 .53 .39 5 BC8SW 1772 1993 .67 .67 .34 .38 .62 .66 .57 .41 .32A 6 BC9SW 1808 1993 .67 .74 .84 .79 .57 .59 .46 7 BC10NE 1576 1993 .59 .64 .57 .71 .69 .55 .36 .27B .21B .50 .48 .50 .63 .59 .60 .53 8 BC10SW 1578 1927 .75 .69 .45 .54 .64 .59 .47 .32B .39 .56 .60 .59 .56 .50 9 BC11NW 1758 1993 .49 .63 .73 .68 .75 .69 .59 .66 .57 10 BC12SW 1559 1935 .65 .60 .51 .72 .81 .82 .64 .40 .28A .36 .64 .74 .83 .78 .59 11 BC12NE 1553 1993 .79 .83 .55 .59 .75 .76 .65 .41 .41 .66 .63 .57 .57 .53 .55 .60 .61 12 BC13NW 1740 1890 .49 .60 .36 .25A .38 .47 13 BC13NW 1892 1993 .30A .37 .56 .63 14 BC14SW 1814 1993 .67 .69 .71 .68 .65 .67 .63 15 BC15SE 1795 1993 .53 .59 .66 .64 .69 .65 .72 .68 16 BC16NE 1642 1953 .55 .47 .35 .08B .13B .53 .54 .63 .67 .80 .74 .36 .36 17 BC17SE 1779 1993 .57 .66 .69 .84 .84 .48 .44 .32A 18 BC17NW 1759 1993 .43 .42 .48 .43B .61 .74 .57 .46 .34 19 BC18SE 1787 1982 .63 .72 .72 .73 .73 .68 .69 .71 20 BC19SE 1770 1986 .68 .67 .74 .75 .70 .68 .58 .28A .44 21 BC20NW 1762 1993 .77 .75 .77 .65 .74 .79 .70 .66 .51 22 BC61E 1808 1993 .38 .40 .50 .48 .52 .68 .66 23 BC61SW 1775 1993 .08B .51 .41 .60 .54 .30A .48 .44 24 BC63S 1774 1993 .49 .50 .54 .68 .59 .34 .30A .60 .54 25 BC63N 1800 1993 .73 .73 .60 .58 .56 .62 .58 26 BC64E 1769 1993 .49 .49 .63 .66 .77 .78 .58 .59 .60 27 BC65E 1784 1993 .50 .51 .56 .71 .65 .44 .60 .66 28 BC66SE 1745 1989 .31B .48 .45 .61 .69 .70 .62 .64 .56 .37 29 BC67NE 1594 1969 .46 .53 .71 .83 .84 .68 .55 .45 .38 .54 .62 .66 .52 .22A .19B 30 BC67NW 1637 1912 .77 .71 .78 .66 .44 .42B .59 .76 .75 .72 .68 31 BC68W 1773 1993 .24B .28A .59 .65 .65 .71 .53 .54 .55 32 BC69N 1746 1934 .25B .29B .36 .64 .66 .66 .67 .54 33 BC70SW 1595 1981 .41 .47 .66 .74 .77 .71 .51 .46 .36 .45 .37 .35 .47 .44 .57 .57 34 BC70N 1592 1985 .61 .65 .77 .85 .85 .61 .47 .45 .44 .59 .57 .68 .79 .74 .33 .15B Av segment correlation .72 .61 .58 .64 .71 .72 .57 .40 .47 .48 .59 .60 .65 .64 .53 .54 .51 PART 7: DESCRIPTIVE STATISTICS: Beasley Creek 16:31 Tue 08 Dec 2009 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 BC2SE 1804 1993 190 7 0 .561 .93 3.43 .600 .883 .209 2.49 .286 .014 1 2 BC4SE 1759 1993 235 9 0 .581 .75 3.62 .610 .923 .208 2.55 .322 -.028 3 3 BC6SW 1791 1993 203 8 0 .479 1.27 4.44 .650 .726 .264 2.95 .489 -.028 2 4 BC7SW 1764 1993 230 9 0 .567 .85 2.53 .406 .736 .264 2.64 .320 .016 1 5 BC8SW 1772 1993 222 9 1 .489 .73 3.58 .516 .908 .218 2.90 .488 -.023 1 6 BC9SW 1808 1993 186 7 0 .673 1.03 2.01 .435 .736 .236 2.64 .386 .038 2 7 BC10NE 1576 1993 418 16 2 .527 .72 2.63 .445 .822 .294 2.66 .313 -.028 2 8 BC10SW 1578 1927 350 14 1 .545 .75 1.99 .444 .860 .253 2.38 .219 -.018 1 9 BC11NW 1758 1993 236 9 0 .640 1.03 2.62 .401 .578 .279 2.72 .463 .050 2 10 BC12SW 1559 1935 377 15 1 .627 .71 2.20 .390 .831 .224 2.72 .382 .025 1 11 BC12NE 1553 1993 441 17 0 .617 .76 2.34 .458 .829 .261 2.64 .379 -.024 1 12 BC13NW 1740 1890 151 6 1 .409 .63 1.78 .298 .796 .244 2.68 .422 -.020 1 13 BC13NW 1892 1993 102 4 1 .465 .63 1.43 .209 .482 .238 2.69 .532 -.032 1 14 BC14SW 1814 1993 180 7 0 .657 .88 2.76 .663 .882 .297 2.77 .398 .040 1 15 BC15SE 1795 1993 199 8 0 .620 .77 3.08 .574 .896 .245 2.70 .378 .073 1 16 BC16NE 1642 1953 312 13 2 .437 .87 2.74 .532 .882 .276 2.50 .238 -.014 2 17 BC17SE 1779 1993 215 8 1 .595 .74 2.41 .390 .864 .215 2.50 .330 .023 2 18 BC17NW 1759 1993 235 9 1 .509 .83 3.43 .578 .865 .235 2.62 .369 -.026 2 19 BC18SE 1787 1982 196 8 0 .674 1.06 3.40 .531 .840 .225 2.67 .311 .000 2 20 BC19SE 1770 1986 217 9 1 .589 .98 3.29 .559 .887 .217 2.45 .334 .008 1 21 BC20NW 1762 1993 232 9 0 .701 .87 2.12 .341 .714 .238 2.64 .334 .004 2 22 BC61E 1808 1993 186 7 0 .507 .66 1.69 .337 .860 .217 2.72 .470 -.041 2 23 BC61SW 1775 1993 219 8 2 .368 .57 1.28 .246 .709 .254 2.66 .333 -.032 1 24 BC63S 1774 1993 220 9 1 .491 .69 2.15 .364 .849 .213 2.77 .332 .026 1 25 BC63N 1800 1993 194 7 0 .618 .67 2.15 .383 .787 .280 2.65 .451 -.080 2 26 BC64E 1769 1993 225 9 0 .613 .65 3.03 .642 .957 .240 2.65 .385 -.016 2 27 BC65E 1784 1993 210 8 0 .564 .60 1.83 .303 .874 .205 2.60 .371 .008 1 28 BC66SE 1745 1989 245 10 1 .567 .58 1.76 .297 .842 .244 2.67 .332 .018 2 29 BC67NE 1594 1969 376 15 2 .544 .52 1.39 .282 .862 .252 2.64 .361 -.026 3 30 BC67NW 1637 1912 276 11 1 .639 .65 2.20 .323 .825 .221 2.70 .386 .013 1 31 BC68W 1773 1993 221 9 2 .518 .83 2.27 .430 .777 .278 2.49 .288 -.002 2 32 BC69N 1746 1934 189 8 2 .521 .95 2.00 .439 .733 .251 2.84 .456 -.001 1 33 BC70SW 1595 1981 387 16 0 .520 .37 1.25 .197 .694 .318 2.89 .422 .001 6 34 BC70N 1592 1985 394 16 1 .612 .55 1.50 .288 .764 .287 2.69 .383 .005 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8469 334 24 .563 .75 4.44 .421 .813 .251 2.95 .365 -.003