Massive Rock, Alaska - AK090 Additional Site Information David Barclay and Greg Wiles Purpose of Collection: Climatology - temperature analyses Detrend Method: Negative exponential or linear regression of any slope Cores are stored at: Geology Department of SUNY-Cortland, New York. 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. Also used in: D'Arrigo, R., Wilson, R. and Jacoby, G. 2006. On the long-term context for late 20th century warming. Journal of Geophysical Research, Vol. 111, D03103, doi:10.1029/2005JD006352 Notes: Collected for paleoclimate studies and for dating subfossil wood. The site is located near treeline just north of Scott Glacier. These data were used in the Wilson et al. (2007) study and in the long CSTA compilation for the Gulf of Alaska described in Wilson et al. (2006). COFECHA output: Chronology file name : AK090.CRN Measurement file name : AK090.RWL Date checked : 08DEC09 Checked by : B. Bauer Beginning year : 1508 Ending year : 1992 Principal investigators: David Barclay Greg Wiles Site name : Massive Rock Site location : Alaska Species information : TSME MOUNTAIN HEMLOCK Latitude : 6038 Longitude : -14524 Elevation : 450M Series intercorrelation: 0.585 Avg mean sensitivity : 0.250 Avg standard deviation : 0.369 Avg autocorrelation : 0.784 Number dated series : 42 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 2.19 PART 5: CORRELATION OF SERIES BY SEGMENTS: Massive Rock 15:30 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 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 MR01NW 1690 1992 .63 .64 .73 .73 .66 .65 .70 .65 .61 .60 .73 .74 2 MR02NE 1795 1919 .59 .77 .69 .69 .71 3 MR02B1 1615 1779 .52 .47 .67 .71 .65 .70 .62 4 MR02SW 1729 1992 .71 .63 .53 .62 .72 .67 .68 .72 .54 .40 5 MR03SW 1761 1992 .57 .72 .65 .62 .63 .67 .71 .50 .44 6 MR04SE 1731 1992 .55 .58 .48 .54 .60 .66 .60 .46 .69 .68 7 MR05NE 1509 1992 .70 .60 .59 .55 .53 .54 .66 .75 .71 .72 .66 .54 .41 .55 .73 .55 .56 .81 .67 8 MR06SW 1508 1992 .60 .64 .56 .56 .53 .59 .76 .77 .64 .64 .64 .62 .66 .69 .72 .48 .34B .71 .69 9 MR07D- 1610 1968 .58 .53 .38 .41 .59 .52 .45 .55 .53 .58 .66 .72 .62 .60 10 MR08NW 1722 1992 .49 .52 .46 .59 .70 .72 .75 .73 .63 .62 .63 11 MR10NW 1785 1992 .50 .38 .37 .64 .55 .46 .54 .65 12 MR11NE 1758 1992 .46 .56 .68 .73 .77 .75 .71 .73 .68 13 MR12NE 1705 1992 .53 .59 .47 .41 .55 .71 .68 .63 .50 .69 .63 14 MR14SW 1648 1992 .46 .49 .64 .60 .72 .71 .78 .67 .66 .67 .64 .69 .73 .72 15 MR15NW 1874 1992 .48 .47 .49 .68 .68 16 MR17NW 1838 1992 .77 .74 .66 .55 .71 .67 17 MR18NE 1764 1992 .53 .54 .62 .78 .67 .63 .65 .66 .64 18 MR18B1 1663 1730 .57 .68 .68 19 MR21NW 1900 1992 .43 .46 .46 20 MR22SW 1661 1992 .32B .52 .60 .65 .48 .45 .51 .66 .68 .57 .50 .67 .76 21 MR40NW 1800 1992 .52 .68 .62 .50 .49 .63 .58 22 MR42NE 1835 1992 .62 .70 .68 .67 .60 .52 23 MR44NW 1726 1992 .52 .47 .49 .40 .50 .73 .72 .68 .63 .65 24 MR45SW 1880 1992 .52 .56 .61 .57 25 MR46NE 1701 1992 .38 .50 .57 .37 .55 .75 .72 .68 .51 .62 .70 26 MR46SW 1735 1992 .53 .53 .60 .65 .65 .65 .69 .52 .28B .34 27 MR47NW 1855 1992 .61 .68 .73 .68 .56 28 MR48NE 1549 1992 .70 .71 .78 .55 .50 .64 .71 .65 .58 .47 .45 .58 .67 .63 .60 .73 .82 .74 29 MR48NW 1537 1992 .47 .67 .80 .63 .57 .73 .80 .75 .60 .34 .28B .34B .68 .75 .62 .68 .74 .68 30 MR49SE 1526 1992 .49 .53 .66 .51 .47 .68 .78 .52 .33 .35 .42 .56 .56 .52 .40 .38 .63 .57 31 MR49SW 1663 1992 .76 .80 .56 .38 .44 .55 .46 .54 .52 .42 .53 .47 .37 32 MR51SW 1831 1992 .50 .68 .53 .53 .66 .59 33 MR54NE 1635 1992 .60 .65 .67 .66 .51 .42 .50 .68 .54 .40 .51 .58 .66 .68 34 MR54SW 1641 1992 .47 .58 .60 .55B .53 .47 .39 .58 .60 .50 .49 .50 .56 .47 35 MR55NE 1830 1992 .63 .72 .62 .56 .64 .63 36 MR55SE 1863 1992 .63 .67 .49 .42 .43 37 MR56NE 1852 1992 .60 .64 .59 .53 .43 38 MR56SW 1750 1992 .59 .40 .51 .61 .61 .38B .26B .48 .51 39 MR61SW 1825 1992 .61 .72 .55 .52 .72 .71 40 MR62NE 1900 1992 .42 .71 .72 41 MR63NN 1634 1979 .28B .49 .65 .68 .74 .62 .57 .72 .77 .75 .70 .63 .62 .59 42 MR63NE 1684 1979 .67 .62 .61 .59 .73 .84 .84 .83 .68 .61 .61 .57 Av segment correlation .65 .58 .61 .67 .55 .50 .60 .67 .61 .59 .53 .53 .58 .64 .66 .60 .56 .62 .60 PART 7: DESCRIPTIVE STATISTICS: Massive Rock 15:30 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 MR01NW 1690 1992 303 12 0 .663 .58 1.96 .365 .787 .317 2.43 .223 -.026 2 2 MR02NE 1795 1919 125 5 0 .642 .55 1.03 .178 .576 .250 2.47 .408 -.008 1 3 MR02B1 1615 1779 165 7 0 .625 .58 1.39 .222 .679 .225 2.69 .440 .015 1 4 MR02SW 1729 1992 264 10 0 .619 .73 2.13 .380 .787 .261 2.68 .350 -.027 2 5 MR03SW 1761 1992 232 9 0 .592 .89 3.00 .335 .673 .215 2.59 .303 -.029 2 6 MR04SE 1731 1992 262 10 0 .568 .78 2.63 .442 .673 .333 2.65 .390 -.020 1 7 MR05NE 1509 1992 484 19 0 .610 .57 2.09 .310 .811 .260 2.58 .313 .003 1 8 MR06SW 1508 1992 485 19 1 .609 .66 1.52 .255 .688 .260 2.51 .359 -.006 1 9 MR07D- 1610 1968 359 14 0 .547 .63 1.98 .338 .763 .295 2.64 .304 -.007 2 10 MR08NW 1722 1992 271 11 0 .624 1.04 2.63 .375 .618 .258 2.76 .437 -.033 2 11 MR10NW 1785 1992 208 8 0 .504 1.07 3.62 .718 .881 .274 2.57 .348 .010 1 12 MR11NE 1758 1992 235 9 0 .664 .46 1.40 .261 .715 .361 2.73 .431 -.043 1 13 MR12NE 1705 1992 288 11 0 .570 .40 1.60 .221 .771 .312 2.50 .346 -.049 1 14 MR14SW 1648 1992 345 14 0 .640 .72 1.80 .316 .711 .283 2.60 .350 .003 2 15 MR15NW 1874 1992 119 5 0 .553 1.20 2.63 .461 .562 .312 2.60 .382 -.021 2 16 MR17NW 1838 1992 155 6 0 .649 .70 1.66 .303 .746 .247 2.55 .376 -.014 1 17 MR18NE 1764 1992 229 9 0 .618 .52 1.23 .208 .660 .301 2.53 .375 -.028 1 18 MR18B1 1663 1730 68 3 0 .641 .63 1.51 .358 .853 .289 2.57 .460 -.062 1 19 MR21NW 1900 1992 93 3 0 .434 .87 2.08 .414 .730 .287 2.98 .494 -.036 1 20 MR22SW 1661 1992 332 13 1 .558 .66 2.58 .378 .810 .278 2.59 .374 -.014 1 21 MR40NW 1800 1992 193 7 0 .543 .52 2.97 .409 .908 .209 2.56 .355 -.053 2 22 MR42NE 1835 1992 158 6 0 .613 1.51 3.95 .886 .855 .258 2.71 .388 -.031 1 23 MR44NW 1726 1992 267 10 0 .583 .84 2.54 .589 .835 .351 2.54 .298 -.043 1 24 MR45SW 1880 1992 113 4 0 .540 .78 2.80 .549 .839 .285 2.64 .433 -.047 1 25 MR46NE 1701 1992 292 11 0 .558 .90 2.34 .460 .876 .191 2.64 .386 -.005 2 26 MR46SW 1735 1992 258 10 1 .521 .95 2.53 .409 .814 .194 2.61 .330 -.016 2 27 MR47NW 1855 1992 138 5 0 .600 .96 3.03 .521 .883 .179 2.61 .458 .056 1 28 MR48NE 1549 1992 444 18 0 .641 .70 1.62 .324 .861 .202 2.48 .302 -.014 2 29 MR48NW 1537 1992 456 18 2 .604 .70 2.47 .346 .868 .190 2.54 .303 -.020 2 30 MR49SE 1526 1992 467 18 0 .525 .48 1.33 .248 .828 .270 2.48 .308 -.006 2 31 MR49SW 1663 1992 330 13 0 .516 .83 2.10 .319 .784 .209 2.44 .304 -.022 2 32 MR51SW 1831 1992 162 6 0 .546 1.61 4.39 .911 .869 .214 2.41 .297 .009 2 33 MR54NE 1635 1992 358 14 0 .570 .50 1.50 .271 .797 .266 2.55 .303 -.016 1 34 MR54SW 1641 1992 352 14 1 .506 .71 2.82 .462 .861 .251 2.64 .384 -.009 3 35 MR55NE 1830 1992 163 6 0 .599 .85 1.64 .313 .737 .213 2.73 .467 -.005 2 36 MR55SE 1863 1992 130 5 0 .528 1.13 2.45 .454 .688 .228 2.93 .471 -.026 1 37 MR56NE 1852 1992 141 5 0 .535 .68 1.77 .297 .814 .184 2.51 .366 -.045 1 38 MR56SW 1750 1992 243 9 2 .494 .49 1.16 .215 .804 .218 2.76 .388 -.001 1 39 MR61SW 1825 1992 168 6 0 .606 .57 1.16 .179 .569 .240 2.47 .368 -.021 1 40 MR62NE 1900 1992 93 3 0 .596 .80 1.77 .372 .785 .228 2.55 .507 .020 2 41 MR63NN 1634 1979 346 14 1 .623 .93 2.40 .415 .874 .157 2.56 .392 -.002 1 42 MR63NE 1684 1979 296 12 0 .684 .96 2.28 .437 .894 .159 2.56 .286 .002 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10590 411 9 .585 .74 4.39 .369 .784 .250 2.98 .353 -.015