Cedar Lake Juneau, Alaska - AK156 Additional Site Information Colin Beier Scott Sink Notes: Study of declining Alaska yellow-cedar populations across the southeastern region of Alaska. Full set of declining stand data available at: https://www1.ncdc.noaa.gov/pub/data/paleo/treering/beier2008/ References: Beier CM, Sink SE, Hennon PE, D'Amore DV, Juday GP. 2008. Twentieth-century warming and the dendroclimatology of declining yellow-cedar forests in southeastern Alaska.  Canadian Journal of Forest Research 38(6): 1319-1334. COFECHA output: Chronology file name : AK156.CRN Measurement file name : AK156.RWL Date checked : 13NOV17 Checked by : B. Bauer Beginning year : 1700 Ending year : 2004 Principal investigators: Colin Beier Scott Sink Site name : Cedar Lake Juneau Site location : Alaska Species information : CHNO ALASKA YELLOW-CEDAR Latitude : 5840 Longitude : -13458 Elevation : M Series intercorrelation: 0.435 Avg mean sensitivity : 0.194 Avg standard deviation : 0.258 Avg autocorrelation : 0.886 Number dated series : 14 Segment length tested : 50 Number problem segments: 34 Pct problem segments : 24.29 PART 5: CORRELATION OF SERIES BY SEGMENTS: Cedar Lake (Juneau) 16:05 Mon 13 Nov 2017 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 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 clt06a 1768 2004 .58 .70 .61 .48 .65 .67 .65 .53 .40 .42 2 clt03a 1772 2004 .60 .68 .65 .51 .80 .84 .52 .51 .42 .44 3 clt12a 1722 2004 .26B .31A .22B .10B .16B .46 .77 .78 .45 .53 .55 .55 4 clt11a 1800 2004 .36 .32A .53 .43 .26B .38B .39 .34 5 clt05a 1715 2004 .41 .61 .56 .40 .41 .39 .72 .74 .65 .70 .50 .50 6 clt15a 1828 2004 .67 .80 .66 .40 .48 .43 .46 7 clt01a 1700 2004 .08B .21B .30A .27A .24B .24B .55 .55 .37 .42 .44 .40 8 clt02a 1700 2004 -.12B .23B .45 .39 .28B .39 .74 .74 .45 .42 .52 .52 9 clt13a 1820 2004 .37 .41 .70 .64 .52 .54 .20B .21B 10 clt07a 1739 2004 .01B .09B .34 .36 .44 .65 .63 .50 .51 .43 .44 11 clt08a 1858 2004 .63 .60 .45 .50 .29A .30A 12 clt14a 1700 2004 .26A-.06B-.29B .14B .24B .27A .33 .33 .33 .24B .25A .30A 13 clt10a 1800 2004 .53 .26A .65 .79 .47 .51 .42 .43 14 clt04a 1709 2004 .04B .39 .56 .52 .50 .41 .48 .53 .56 .57 .58 .65 Av segment correlation .16 .24 .34 .39 .39 .40 .64 .64 .47 .49 .42 .43 PART 7: DESCRIPTIVE STATISTICS: Cedar Lake (Juneau) 16:05 Mon 13 Nov 2017 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 clt06a 1768 2004 237 10 0 .553 .62 1.48 .358 .930 .180 2.65 .380 -.022 1 2 clt03a 1772 2004 233 10 0 .594 .48 1.25 .290 .917 .195 2.68 .401 .053 1 3 clt12a 1722 2004 283 12 5 .440 .44 1.34 .196 .895 .171 2.60 .363 .025 1 4 clt11a 1800 2004 205 8 3 .367 .51 1.31 .244 .883 .194 2.56 .414 .005 1 5 clt05a 1715 2004 290 12 0 .547 .81 1.88 .407 .914 .166 2.56 .338 -.041 2 6 clt15a 1828 2004 177 7 0 .534 .87 1.54 .289 .849 .142 2.60 .377 -.022 2 7 clt01a 1700 2004 305 12 6 .333 .22 .67 .138 .850 .261 2.83 .438 -.019 2 8 clt02a 1700 2004 305 12 3 .379 .48 1.49 .278 .863 .239 2.51 .326 -.058 5 9 clt13a 1820 2004 185 8 2 .438 .72 2.57 .366 .875 .162 2.46 .327 .013 5 10 clt07a 1739 2004 266 11 2 .409 .49 1.14 .240 .878 .205 2.70 .464 -.035 1 11 clt08a 1858 2004 147 6 2 .473 .53 1.03 .214 .850 .171 2.72 .415 -.031 1 12 clt14a 1700 2004 305 12 9 .188 .26 .78 .151 .894 .197 2.65 .390 -.055 1 13 clt10a 1800 2004 205 8 1 .535 .48 1.36 .283 .942 .192 2.58 .345 .022 1 14 clt04a 1709 2004 296 12 1 .434 .48 1.31 .220 .858 .185 2.50 .268 -.036 5 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3439 140 34 .435 .51 2.57 .258 .886 .194 2.83 .373 -.017