Miners Well, Alaska - AK021 Additional Site Information Greg Wiles, Parker E. Calkin, and David Frank Detrending Method: Negative exponontial or linear regression with negative or 0 slope Purpose of Collection: Climatology - temperature analyses Cores located at the Tree Ring Lab, Lamont-Doherty Earth Observatory Reference: Villalba, R., D'Arrigo, Cook, E.R., Wiles, G.C. and Jacoby, G.C., 1998, Decadal-scale variability along the extra-tropical western coast of the Americas over the past centuries inferred from tree-ring records: Interhemispheric Paleoclimates of the Americas, Pole-Equator-Pole transect 1 (PEP-1) PAGES-IGBP, Merida, Venezuela March 16-20, 1998. COFECHA output: Chronology file name : AK021.CRN Measurement file name : AK021.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1428 Ending year : 1995 Principal investigators: Greg Wiles, Parker E. Calkin, David Frank Site name : Miners Well Site location : Alaska Species information : TSME MOUNTAIN HEMLOCK Latitude : 6000 Longitude : 14141 Elevation : 650M Series intercorrelation: 0.666 Avg mean sensitivity : 0.272 Avg standard deviation : 1.796 Avg autocorrelation : 0.732 Number dated series : 29 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 1.01 PART 5: CORRELATION OF SERIES BY SEGMENTS: ak021.rwl 13:34 Thu 10 Mar 2005 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 MW02SE 1557 1994 .65 .72 .81 .85 .82 .72 .69 .73 .76 .78 .65 .59 .56 .56 .72 .42 .27A 2 MW02SW 1428 1946 .53 .55 .57 .71 .82 .84 .78 .81 .69 .57 .74 .84 .79 .45 .19B .36 .77 .75 3 MW02NE 1496 1992 .53 .54 .64 .74 .80 .86 .82 .87 .88 .82 .83 .86 .83 .84 .86 .80 .77 .82 .65 .31A 4 MW03NE 1755 1992 .79 .81 .86 .84 .83 .74 .65 .60 .46 5 MW03SS 1600 1993 .61 .74 .79 .76 .57 .59 .76 .75 .73 .68 .65 .80 .76 .74 .56 6 MW04NE 1900 1993 .65 .46 .45 7 MW04SW 1806 1993 .59 .63 .71 .71 .72 .67 .58 8 MW05SW 1820 1994 .66 .72 .77 .72 .59 .58 .40 9 MW50SW 1561 1994 .75 .82 .79 .72 .70 .67 .53 .60 .75 .75 .77 .68 .71 .81 .79 .78 .65 10 MW50SE 1567 1994 .74 .81 .83 .56 .52 .64 .59 .67 .70 .70 .74 .64 .67 .81 .78 .75 .61 11 MW50NW 1730 1994 .52 .51 .51 .74 .74 .79 .85 .74 .68 .59 12 MW53NE 1660 1994 .39 .51 .65 .75 .77 .75 .71 .75 .73 .69 .73 .74 .66 13 MW53SW 1541 1994 .59 .60 .57 .67 .65 .45 .53 .65 .71 .80 .66 .47 .55 .58 .45 .54 .70 .55 14 MW54SW 1500 1994 .35 .42 .65 .73 .58 .52 .74 .61 .46 .64 .72 .68 .69 .60 .60 .71 .70 .68 .71 15 MW58NW 1497 1993 .41 .50 .50 .55 .47 .44 .61 .73 .75 .51 .50 .56 .53 .36 .49 .66 .65 .60 .53 .44 16 MW65NW 1581 1992 .64 .72 .66 .75 .79 .67 .73 .82 .77 .59 .63 .65 .69 .82 .74 .47 17 SM01NE 1640 1995 .77 .81 .76 .69 .79 .82 .80 .82 .87 .82 .75 .71 .62 .51 18 SM01EE 1840 1995 .77 .74 .63 .57 .65 .59 19 SM02SE 1760 1995 .82 .83 .77 .77 .84 .76 .67 .73 .74 20 SM04NN 1780 1995 .77 .77 .76 .75 .76 .63 .65 .73 21 SM08NW 1640 1995 .48 .57 .59 .61 .73 .76 .72 .74 .78 .74 .74 .82 .70 .52 22 SM08SW 1687 1995 .58 .59 .79 .77 .79 .82 .84 .83 .75 .71 .71 .65 23 SM11SW 1551 1994 .65 .68 .66 .66 .75 .77 .64 .74 .75 .75 .73 .72 .68 .66 .60 .61 .58 24 SM53WW 1630 1995 .52 .70 .78 .77 .79 .62 .59 .60 .58 .69 .75 .76 .74 .67 25 SM53SW 1634 1995 .51 .61 .86 .83 .80 .79 .81 .67 .72 .90 .89 .76 .78 .70 26 SM53E 1558 1995 .25A .42 .66 .65 .69 .60 .59 .76 .75 .75 .85 .81 .80 .78 .71 .68 .61 27 SM53SS 1559 1995 .46 .50 .73 .63 .70 .83 .78 .80 .79 .79 .72 .72 .80 .86 .79 .78 .69 28 SM55SS 1720 1995 .71 .70 .84 .75 .75 .81 .63 .52 .61 .63 .47 29 05DD1 1538 1978 .45 .53 .71 .56 .56 .60 .72 .77 .82 .62 .50 .73 .83 .81 .77 .65 .52 .50 Av segment correlation .49 .48 .53 .61 .67 .70 .65 .68 .70 .65 .72 .75 .73 .70 .70 .72 .73 .70 .66 .56 PART 7: DESCRIPTIVE STATISTICS: ak021.rwl 13:34 Thu 10 Mar 2005 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 MW02SE 1557 1994 438 17 1 .647 6.03 16.30 2.759 .685 .288 2.66 .359 -.032 1 2 MW02SW 1428 1946 519 18 1 .635 5.52 16.90 3.242 .799 .300 2.66 .379 .007 1 3 MW02NE 1496 1992 497 20 1 .727 5.67 16.12 2.813 .750 .288 2.61 .309 -.033 1 4 MW03NE 1755 1992 238 9 0 .729 7.10 21.93 2.995 .703 .251 2.59 .373 -.009 2 5 MW03SS 1600 1993 394 15 0 .675 4.10 10.69 2.104 .728 .313 2.81 .405 -.002 1 6 MW04NE 1900 1993 94 3 0 .554 3.78 12.48 2.022 .587 .353 2.79 .443 .002 1 7 MW04SW 1806 1993 188 7 0 .634 7.75 19.40 3.529 .741 .263 2.63 .495 -.068 1 8 MW05SW 1820 1994 175 7 0 .593 10.18 20.26 3.328 .607 .231 2.52 .355 .021 2 9 MW50SW 1561 1994 434 17 0 .704 6.47 25.42 3.386 .744 .275 2.49 .236 -.019 1 10 MW50SE 1567 1994 428 17 0 .685 5.14 19.86 3.060 .790 .286 2.56 .313 -.027 3 11 MW50NW 1730 1994 265 10 0 .652 6.27 19.50 2.757 .685 .264 2.70 .328 .006 1 12 MW53NE 1660 1994 335 13 0 .667 7.87 27.92 3.625 .807 .211 2.70 .407 -.029 1 13 MW53SW 1541 1994 454 18 0 .590 6.37 15.30 2.536 .745 .225 2.56 .253 -.025 3 14 MW54SW 1500 1994 495 19 0 .602 4.46 11.74 1.973 .647 .298 2.66 .360 -.023 1 15 MW58NW 1497 1993 497 20 0 .523 4.37 17.35 2.703 .817 .273 2.61 .298 -.018 1 16 MW65NW 1581 1992 412 16 0 .674 5.61 17.45 2.681 .785 .255 2.73 .322 -.032 1 17 SM01NE 1640 1995 356 14 0 .750 .73 2.06 .361 .732 .270 3.10 .390 .005 1 18 SM01EE 1840 1995 156 6 0 .647 .67 1.65 .301 .680 .306 2.50 .399 .045 1 19 SM02SE 1760 1995 236 9 0 .756 .64 1.59 .270 .662 .286 2.61 .418 -.024 1 20 SM04NN 1780 1995 216 8 0 .721 .50 1.30 .235 .695 .268 2.78 .387 .011 1 21 SM08NW 1640 1995 356 14 0 .668 1.00 18.61 1.105 .529 .273 2.56 .321 .015 1 22 SM08SW 1687 1995 309 12 0 .733 .72 3.33 .609 .862 .303 2.94 .499 -.023 1 23 SM11SW 1551 1994 444 17 0 .670 .61 2.35 .376 .889 .244 2.67 .428 -.025 1 24 SM53WW 1630 1995 366 14 0 .666 .86 1.65 .291 .671 .215 2.59 .383 -.047 2 25 SM53SW 1634 1995 362 14 0 .748 .61 1.34 .240 .628 .268 2.71 .402 -.010 1 26 SM53E 1558 1995 438 17 1 .665 .58 2.03 .289 .652 .326 2.68 .302 -.003 1 27 SM53SS 1559 1995 437 17 0 .705 .63 1.67 .285 .644 .312 2.62 .297 -.018 1 28 SM55SS 1720 1995 276 11 0 .672 1.27 3.61 .556 .778 .218 2.57 .411 -.054 1 29 05DD1 1538 1978 441 18 0 .625 .78 2.25 .489 .881 .238 2.54 .326 -.012 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10256 397 4 .666 3.64 27.92 1.796 .732 .272 3.10 .354 -.017