Ellsworth Glacier, Alaska - AK015 Additional Site Information Greg Wiles and Parker E. Calkin 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: Wiles, G. C., D'Arrigo, R.D. and Jacoby, G.C., 1998, Gulf of Alaska atmosphere-ocean variability over recent centuries inferred from coastal tree-ring records: Climatic Change 38, 289-306. CIOFECHA output: Chronology file name : AK015.CRN Measurement file name : AK015.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1543 Ending year : 1991 Principal investigators: Greg Wiles, Parker E. Calkin Site name : Ellsworth Glacier Site location : Alaska Species information : TSME MOUNTAIN HEMLOCK Latitude : 6005 Longitude : -14858 Elevation : 480M Series intercorrelation: 0.619 Avg mean sensitivity : 0.317 Avg standard deviation : 2.600 Avg autocorrelation : 0.695 Number dated series : 26 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 4.09 PART 5: CORRELATION OF SERIES BY SEGMENTS: ak015.rwl 13:31 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 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 EL1NE 1603 1991 .40 .54 .76 .77 .64 .51 .46 .60 .73 .76 .60 .41 .64 .84 .75 2 EL3SW 1748 1908 .54 .57 .71 .70 .69 .62 .53 3 EL3SW 1911 1991 .51 .69 .68 4 EL8NE 1721 1885 .26A .26A .76 .66 .45 .47 .53 5 EL8NE 1892 1991 .68 .76 .80 .81 6 EL10SW 1778 1991 .58 .61 .52 .53 .63 .71 .60 .62 7 EL14SW 1810 1991 .41 .32B .55 .72 .63 .60 .67 8 EL18NW 1746 1991 .52 .52 .63 .57 .64 .79 .70 .71 .86 .81 9 EL20NW 1778 1991 .38 .54 .60 .76 .77 .78 .75 .59 10 EL22SE 1826 1987 .74 .78 .57 .56 .73 .71 11 EL24SW 1676 1991 .75 .66 .66 .63 .67 .77 .83 .81 .71 .77 .84 .80 12 EL26NE 1598 1975 .48 .44 .51 .76 .75 .54 .51 .67 .75 .74 .74 .81 .66 .64 .74 .72 13 EL26SW 1543 1627 .66 14 EL26SW 1635 1991 .55 .68 .74 .66 .56 .60 .65 .69 .80 .84 .79 .85 .76 .69 15 EL28NE 1768 1991 .62 .63 .72 .79 .71 .62 .54 .55 .59 16 EL32NE 1773 1991 .62 .62 .64 .64 .73 .70 .63 .70 .74 17 EL34NE 1808 1913 .67 .80 .72 .51 18 EL34NE 1918 1991 .35B .47B .63 19 EL36NE 1780 1991 .58 .68 .68 .69 .66 .68 .76 .71 20 EL44SW 1601 1619 .46B 21 EL44SW 1621 1991 .44 .55 .81 .69 .48 .49 .68 .74 .59 .38 .52 .53 .53 .64 .57 22 EL44SW1 1630 1991 .68 .75 .51 .43 .45 .08B .30A .40 .34 .55 .43 .41B .61 .58 23 EL44SE 1628 1991 .65 .81 .59 .51 .59 .37 .49 .52 .55 .62 .36 .40 .75 .77 24 EL46SE 1693 1889 .65 .65 .64 .74 .71 .54 .44 .45 25 EL46SE 1898 1991 .66 .65 .78 .74 26 EL50NW 1650 1991 .74 .77 .61 .59 .62 .63 .65 .65 .84 .81 .61 .69 .82 Av segment correlation .57 .43 .58 .76 .69 .54 .53 .57 .61 .61 .62 .67 .62 .62 .71 .70 PART 7: DESCRIPTIVE STATISTICS: ak015.rwl 13:31 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 EL1NE 1603 1991 389 15 0 .628 4.35 11.15 2.258 .675 .370 2.67 .347 -.057 1 2 EL3SW 1748 1908 161 7 0 .600 5.28 12.39 2.625 .548 .403 2.61 .397 .033 1 3 EL3SW 1911 1991 81 3 0 .607 4.16 8.33 1.667 .472 .369 2.62 .523 -.025 1 4 EL8NE 1721 1885 165 7 2 .499 2.96 8.82 1.916 .700 .371 2.85 .470 -.039 1 5 EL8NE 1892 1991 100 4 0 .748 2.85 11.94 2.607 .837 .333 2.71 .422 -.131 1 6 EL10SW 1778 1991 214 8 0 .586 6.77 24.69 4.832 .792 .336 2.63 .412 -.077 1 7 EL14SW 1810 1991 182 7 1 .559 5.79 11.73 2.393 .646 .281 2.53 .304 -.011 1 8 EL18NW 1746 1991 246 10 0 .677 6.22 21.20 3.199 .689 .389 2.65 .397 -.048 1 9 EL20NW 1778 1991 214 8 0 .580 7.14 21.31 4.468 .817 .331 2.81 .386 -.018 1 10 EL22SE 1826 1987 162 6 0 .677 6.50 17.14 3.246 .743 .295 2.54 .400 -.050 1 11 EL24SW 1676 1991 316 12 0 .741 5.43 12.51 2.240 .692 .252 2.73 .429 .003 1 12 EL26NE 1598 1975 378 16 0 .660 5.35 12.16 2.083 .651 .271 2.71 .391 -.026 4 13 EL26SW 1543 1627 85 1 0 .663 8.12 17.88 3.309 .672 .254 2.61 .439 -.022 1 14 EL26SW 1635 1991 357 14 0 .690 5.36 12.17 2.179 .723 .239 2.64 .368 .003 1 15 EL28NE 1768 1991 224 9 0 .621 5.18 15.27 2.310 .543 .347 2.63 .414 -.053 1 16 EL32NE 1773 1991 219 9 0 .660 6.52 19.59 4.784 .820 .387 2.74 .344 -.036 1 17 EL34NE 1808 1913 106 4 0 .613 4.58 10.15 2.435 .579 .387 2.61 .460 -.014 1 18 EL34NE 1918 1991 74 3 2 .468 3.71 8.66 1.948 .761 .317 2.75 .522 -.016 1 19 EL36NE 1780 1991 212 8 0 .661 9.24 22.40 4.484 .698 .332 2.72 .421 .007 2 20 EL44SW 1601 1619 19 1 1 .462 8.95 11.66 1.464 .216 .159 2.74 .796 .090 1 21 EL44SW 1621 1991 371 15 0 .555 4.49 12.56 2.072 .726 .268 2.57 .385 -.009 2 22 EL44SW1 1630 1991 362 14 3 .460 3.06 10.10 1.758 .762 .282 2.62 .352 -.046 1 23 EL44SE 1628 1991 364 14 0 .567 3.84 14.07 2.273 .733 .315 2.86 .410 .010 1 24 EL46SE 1693 1889 197 8 0 .597 2.70 7.55 1.585 .750 .345 2.57 .362 .014 1 25 EL46SE 1898 1991 94 4 0 .701 2.96 7.80 1.704 .676 .403 2.79 .467 -.003 1 26 EL50NW 1650 1991 342 13 0 .685 4.87 11.11 2.024 .596 .304 2.68 .435 -.011 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5634 220 9 .619 5.10 24.69 2.600 .695 .317 2.86 .398 -.023