Tebenkof Glacier, Alaska - AK208 Additional Site Information Wiles Chronology file name : AK208.CRN Measurement file name : AK208.RWL Date checked : 13FEB23 Checked by : NOAA Paleoclimatology Beginning year : 1357 Ending year : 1990 Principal investigators: Wiles Site name : Tebenkof Glacier Site location : Alaska Species information : TSME MOUNTAIN HEMLOCK Latitude : 6043 Longitude : -14828 Elevation : 50M Series intercorrelation: 0.655 Avg mean sensitivity : 0.292 Avg standard deviation : 0.225 Avg autocorrelation : 0.737 Number dated series : 15 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 1.50 PART 5: CORRELATION OF SERIES BY SEGMENTS: ak208 16:09 Mon 13 Feb 2023 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 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 TBB001NE 1357 1968 .76 .80 .82 .80 .85 .89 .84 .73 .65 .58 .80 .89 .76 .68 .70 .70 .56 .56 .54 .61 2 TBB001NW 1358 1989 .76 .80 .82 .80 .85 .89 .84 .74 .67 .61 .85 .57 .20B .77 .78 .70 .65 .66 .61 .71 3 TBB010NS 1605 1990 .83 .88 .77 .73 .53 .40 .43 .56 .78 .68 4 TBB010NW 1549 1839 .41 .46 .56 .63 .63 .70 .75 .65 .59 .60 .54 .69 6 TBB013SE 1654 1990 .36 .52 .50 .47 .50 .51 .67 .74 7 TBB014SE 1546 1990 .60 .63 .65 .72 .71 .73 .84 .85 .80 .48 .56 .82 .78 8 TBB016NW 1736 1990 .64 .55 .35 .46 .45 9 TBB018NE 1683 1990 .15B .33 .46 .42 .54 .48 .50 10 TBB018S 1760 1964 .50 .45 .43 .53 11 TBB020NW 1631 1990 .58 .66 .74 .80 .79 .52 .43 .67 .75 12 TBB022NW 1731 1974 .87 .60 .56 .65 .54 13 TBB024NW 1708 1989 .65 .68 .50 .34 .53 .68 14 TBB02NE 1693 1990 .71 .81 .86 .54 .53 .75 .69 15 TBB1211 1696 1990 .70 .70 .57 .49 .47 .67 .85 Av segment correlation .76 .80 .82 .80 .85 .89 .84 .62 .60 .60 .77 .71 .60 .66 .67 .66 .52 .51 .62 .65 PART 5: CORRELATION OF SERIES BY SEGMENTS: ak208 16:09 Mon 13 Feb 2023 Page 6 ------------------------------------------------------------------------------------------------------------------------------------ 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 1850 1875 1900 1925 1950 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 TBB001NE 1357 1968 .68 .65 .73 .70 2 TBB001NW 1358 1989 .71 .56 .61 .78 .81 3 TBB010NS 1605 1990 .68 .66 .65 .78 .82 5 TBB012NW 1853 1990 .49 .75 .77 .76 .74 6 TBB013SE 1654 1990 .77 .76 .72 .69 .69 7 TBB014SE 1546 1990 .74 .74 .55 .72 .81 8 TBB016NW 1736 1990 .45 .61 .66 .79 .65 9 TBB018NE 1683 1990 .67 .82 .80 .73 .63 10 TBB018S 1760 1964 .70 .73 .72 .77 11 TBB020NW 1631 1990 .59 .42B .67 .78 .74 12 TBB022NW 1731 1974 .55 .66 .73 .78 13 TBB024NW 1708 1989 .68 .70 .47 .54 .65 14 TBB02NE 1693 1990 .66 .69 .73 .76 .72 15 TBB1211 1696 1990 .77 .67 .56 .66 .69 Av segment correlation .65 .67 .67 .73 .72 PART 7: DESCRIPTIVE STATISTICS: ak208 16:09 Mon 13 Feb 2023 Page 9 ------------------------------------------------------------------------------------------------------------------------------------ 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 TBB001NE 1357 1968 612 24 0 .722 .39 .87 .161 .816 .207 2.65 .270 .005 8 2 TBB001NW 1358 1989 632 25 1 .685 .39 .87 .162 .797 .224 2.50 .277 -.026 9 3 TBB010NS 1605 1990 386 15 0 .705 .61 2.24 .313 .780 .287 2.43 .263 -.020 3 4 TBB010NW 1549 1839 291 12 0 .601 .42 1.32 .232 .723 .365 2.60 .389 -.013 1 5 TBB012NW 1853 1990 138 5 0 .673 .15 .35 .073 .337 .487 2.55 .470 -.004 1 6 TBB013SE 1654 1990 337 13 0 .606 .42 1.25 .241 .739 .353 2.70 .304 .005 1 7 TBB014SE 1546 1990 445 18 0 .705 .41 1.52 .244 .757 .325 2.66 .312 -.032 3 8 TBB016NW 1736 1990 255 10 0 .557 .49 1.26 .263 .821 .292 2.79 .373 -.018 1 9 TBB018NE 1683 1990 308 12 1 .532 .48 1.87 .278 .777 .303 2.74 .402 .036 1 10 TBB018S 1760 1964 205 8 0 .602 .57 1.31 .243 .716 .259 2.58 .344 .015 3 11 TBB020NW 1631 1990 360 14 1 .652 .47 1.71 .250 .690 .329 2.66 .401 .017 1 12 TBB022NW 1731 1974 244 9 0 .669 .44 .98 .153 .707 .217 2.45 .276 -.048 1 13 TBB024NW 1708 1989 282 11 0 .594 .49 1.28 .211 .580 .304 2.82 .392 -.045 1 14 TBB02NE 1693 1990 298 12 0 .710 .62 2.10 .350 .756 .304 2.76 .436 -.008 5 15 TBB1211 1696 1990 295 12 0 .658 .46 1.13 .218 .667 .337 2.71 .343 .009 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5088 200 3 .655 .46 2.24 .225 .737 .292 2.82 .335 -.009