Dalton Highway Mile Post 182, Alaska - AK080 Additional Site Information Andrea Lloyd and Chris Fastie Purpose of Collection: Ecology - age structure Cores are available at: Middlebury College, Middlebury VT Notes: This is a young, post-fire stand. Most recent fire was late 1800s/early 1900s, largely stand-replacing. Data are not yet published. Chronology file name : AK080.CRN Measurement file name : AK080.RWL Date checked : 11DEC06 Checked by : B. Bauer Beginning year : 1861 Ending year : 2003 Principal investigators: Andrea Lloyd Chris Fastie Site name : Dalton Highway Mile Post 182 Site location : Alaska Species information : PCMA BLACK SPRUCE Latitude : 6721 Longitude : -15003 Elevation : 387M Series intercorrelation: 0.432 Avg mean sensitivity : 0.253 Avg standard deviation : 0.176 Avg autocorrelation : 0.780 Number dated series : 78 Segment length tested : 50 Number problem segments: 65 Pct problem segments : 19.82 PART 5: CORRELATION OF SERIES BY SEGMENTS: DH182 16:32 Mon 11 Dec 2006 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 182-433 1926 2003 .33 .56 .47 2 182-435 1923 2003 .59 .54 .58 .59 3 182-438 1935 2003 .45 .52 .49 4 182-443 1915 2003 .20B .36 .62 .63 5 182-449 1930 2003 .18B .40 .37 6 182-450 1932 2003 .52 .49 .48 7 182-453 1934 2003 .49 .46 .49 8 182-456 1921 2003 .67 .68 .71 .69 9 182-458 1919 2003 -.03B .46 .64 .65 10 182-460B 1935 2003 .23B .31A .33 11 182-462 1895 2002 .08B .26A .46 .72 .72 12 182-463 1872 2003 .37B .48 .62 .45 .33B .37 13 182-464 1876 2003 .30A .44 .43 .53 .50 14 182-466 1881 2003 .43 .64 .69 .69 .65 15 182-467 1931 2003 .43 .59 .56 16 182-470 1891 2003 .53 .61 .76 .72 .65 17 182-471 1883 2003 .25B .37B .65 .76 .73 18 182-474 1933 2003 .16B .43 .48 19 182-475 1896 2003 .49 .52 .51 .46 .46 20 182-485 1934 2003 .53 .50 .47 21 182-487 1931 2003 .28A .24B .30A 22 182-489 1926 2003 .30A .36 .36 23 182-498 1929 1989 .40 .33B 24 182-499 1930 2003 .42 .57 .57 25 182-513 1874 2003 .41 .44 .47 .43 .25A .17A 26 182-514 1907 2003 .54 .54 .27B .24A 27 182-515 1883 2003 .20B .02B .33A .69 .69 28 182-516 1879 2003 .37 .32A .52 .67 .59 29 182-517 1880 2003 .49 .60 .55 .55 .50 30 182-519 1893 2003 .53 .59 .53 .58 .58 31 182-521 1894 2003 .65 .56 .38 .52 .57 32 182-524 1893 2003 .41 .48 .50 .49 .47 33 182-525 1866 2003 -.14B .22B .50 .47 .58 .51 34 182-526 1908 2003 .41 .26B .38 .37 35 182-530 1888 2003 .37 .50 .63 .67 .73 36 182-531 1911 2003 .57 .55 .62 .61 37 182-532 1913 2003 .36 .38 .57 .52 38 182-534 1910 2003 .65 .68 .67 .67 39 182-535 1908 2003 .59 .75 .68 .66 40 182-536 1888 2003 .50 .55 .52 .38 .36 41 182-537 1884 2003 .64 .67 .67 .62 .61 42 182-538 1902 2003 .31A .40 .45 .42 43 182-540 1906 2003 .58 .49 .47 .43 44 182-540 1904 2003 .21B .63 .60 .58 45 182-541 1921 2003 .44 .41B .49 .47 46 182-542 1931 2003 .01B .34 .33 47 182-543 1927 2003 .41 .45 .42 48 182-555 1861 1998 .25B .57 .55 .59 .73 49 182-556 1882 2003 .41 .58 .54 .51 .45 50 182-557 1932 2003 .32A .33B .31A 51 182-559A 1870 2003 .50 .54 .49 .54 .47 .46 52 182-559B 1879 2003 .39 .44 .53 .54 .54 53 182-563 1890 2003 .58 .55 .71 .55 .58 54 182-565 1892 2003 .49 .41 .35 .28B .29B 55 182-566A 1898 2003 .43 .48 .57 .61 .58 56 182-568A 1921 2003 .34B .35B .53 .47 57 182-570 1925 2003 .57 .56 .54 58 182-574 1928 2003 .59 .62 .60 59 182-574 1928 2003 .56 .57 .49 60 182-575 1930 2003 .41 .57 .53 61 182-576 1920 2003 .34 .43 .64 .62 62 182-577 1900 2003 .59 .41 .33 .34 63 182-579 1884 2003 .48 .61 .42 .49 .46 64 182-580 1885 2003 .53 .47 .23B .31A .26A 65 182-582 1894 2003 .54 .43 .42 .29A .25A 66 182-584 1885 2003 .38 .41 .27B .32A .20B 67 182-586 1898 2003 .48 .52 .59 .64 .63 68 182-587 1873 2003 -.02B .00B .12B .40 .57 .57 69 182-589 1868 2003 .07B .15B .24A .22B .43 .38 70 182-591A 1893 2003 .14B .26B .45 .57 .59 71 182-595A 1896 2003 .68 .58 .46 .59 .59 72 182-597A 1878 2003 .35 .50 .38 .20B .19A 73 182-602 1930 2003 .39 .58 .57 74 182-612 1896 2003 .42 .40 .55 .56 .56 75 182-613 1929 2003 .15B .43 .45 76 182-617F 1933 2003 .53 .66 .63 77 182-619A 1930 2003 .04B .33 .31A 78 182-620 1929 2003 .27B .35 .32A Av segment correlation .21 .41 .45 .45 .51 .49 PART 7: DESCRIPTIVE STATISTICS: DH182 16:32 Mon 11 Dec 2006 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 182-433 1926 2003 78 3 0 .347 .24 .79 .131 .786 .261 2.65 .420 -.066 1 2 182-435 1923 2003 81 4 0 .526 .51 .94 .207 .737 .230 2.72 .522 .014 1 3 182-438 1935 2003 69 3 0 .423 .37 .92 .255 .938 .214 2.85 .532 -.031 1 4 182-443 1915 2003 89 4 1 .358 .49 .91 .152 .638 .197 2.75 .387 -.009 2 5 182-449 1930 2003 74 3 1 .245 .29 .56 .107 .546 .283 2.79 .633 -.029 1 6 182-450 1932 2003 72 3 0 .444 .39 .83 .163 .665 .291 2.53 .427 -.042 1 7 182-453 1934 2003 70 3 0 .452 .37 .88 .141 .770 .182 2.68 .563 .011 1 8 182-456 1921 2003 83 4 0 .645 .41 .99 .255 .912 .255 2.69 .476 -.029 1 9 182-458 1919 2003 85 4 1 .204 .27 .91 .189 .856 .288 2.59 .294 -.062 1 10 182-460B 1935 2003 69 3 2 .241 .23 .69 .137 .664 .309 3.17 .701 .041 1 11 182-462 1895 2002 108 5 2 .367 .27 .83 .139 .786 .274 2.68 .436 -.067 1 12 182-463 1872 2003 132 6 2 .409 .29 .82 .158 .806 .228 2.69 .473 -.087 1 13 182-464 1876 2003 128 5 1 .411 .47 1.21 .256 .851 .226 2.72 .576 -.036 1 14 182-466 1881 2003 123 5 0 .595 .78 1.85 .472 .909 .221 2.60 .560 -.068 1 15 182-467 1931 2003 73 3 0 .464 .22 .77 .149 .837 .284 2.52 .427 -.044 1 16 182-470 1891 2003 113 5 0 .599 .36 1.16 .230 .893 .257 2.78 .570 .010 1 17 182-471 1883 2003 121 5 2 .498 .27 .86 .209 .917 .273 2.68 .397 -.043 1 18 182-474 1933 2003 71 3 1 .276 .17 .35 .060 .555 .269 2.66 .522 -.091 1 19 182-475 1896 2003 108 5 0 .490 .14 .35 .061 .735 .254 2.79 .465 .059 1 20 182-485 1934 2003 70 3 0 .469 .20 .45 .084 .539 .303 2.90 .547 .040 1 21 182-487 1931 2003 73 3 3 .182 .19 .88 .131 .647 .297 2.84 .548 .004 2 22 182-489 1926 2003 78 3 1 .333 .18 .35 .055 .531 .230 2.69 .359 -.011 1 23 182-498 1929 1989 61 2 1 .270 .19 .72 .140 .582 .427 2.90 .717 .199 2 24 182-499 1930 2003 74 3 0 .432 .12 .33 .063 .818 .247 2.80 .568 -.098 1 25 182-513 1874 2003 130 6 2 .323 .39 1.01 .164 .761 .210 2.71 .536 .011 1 26 182-514 1907 2003 97 4 2 .350 .15 .61 .105 .863 .287 2.47 .357 -.059 1 27 182-515 1883 2003 121 5 3 .404 .46 .94 .147 .742 .185 2.74 .522 .006 2 28 182-516 1879 2003 125 5 1 .467 .28 .65 .116 .770 .211 2.60 .434 -.060 2 29 182-517 1880 2003 124 5 0 .520 .52 1.25 .263 .849 .221 2.75 .475 -.050 1 30 182-519 1893 2003 111 5 0 .559 .38 .95 .190 .863 .229 2.51 .387 -.002 1 31 182-521 1894 2003 110 5 0 .510 .25 .64 .110 .691 .251 2.87 .504 -.088 1 32 182-524 1893 2003 111 5 0 .465 .32 .69 .184 .857 .259 2.47 .350 -.037 1 33 182-525 1866 2003 138 6 2 .335 .35 .94 .194 .840 .241 2.65 .474 -.052 1 34 182-526 1908 2003 96 4 1 .390 .42 .88 .157 .706 .210 2.83 .542 .043 1 35 182-530 1888 2003 116 5 0 .522 .50 1.30 .309 .859 .287 2.98 .559 -.053 2 36 182-531 1911 2003 93 4 0 .587 .55 1.42 .266 .837 .199 2.73 .491 -.035 1 37 182-532 1913 2003 91 4 0 .480 .29 .66 .141 .829 .250 2.53 .474 -.054 1 38 182-534 1910 2003 94 4 0 .650 .37 .83 .127 .623 .219 2.89 .499 -.023 1 39 182-535 1908 2003 96 4 0 .640 .26 .56 .122 .875 .202 2.72 .429 -.031 1 40 182-536 1888 2003 116 5 0 .453 .18 .60 .112 .846 .264 2.59 .447 -.043 1 41 182-537 1884 2003 120 5 0 .649 .53 1.41 .294 .832 .234 2.73 .597 -.039 2 42 182-538 1902 2003 102 4 1 .387 .24 .76 .194 .899 .311 2.73 .445 .045 1 43 182-540 1906 2003 98 4 0 .515 .56 1.30 .279 .812 .227 2.88 .524 -.084 1 44 182-540 1904 2003 100 4 1 .389 .56 1.30 .283 .810 .241 2.75 .496 -.062 1 45 182-541 1921 2003 83 4 1 .500 .75 1.47 .268 .823 .178 2.41 .376 -.034 1 46 182-542 1931 2003 73 3 1 .185 .35 .95 .216 .856 .238 2.80 .501 -.027 1 47 182-543 1927 2003 77 3 0 .433 .39 .83 .211 .906 .214 2.34 .374 -.037 1 48 182-555 1861 1998 138 5 1 .505 .47 1.22 .242 .827 .239 2.69 .432 .042 1 PART 7: DESCRIPTIVE STATISTICS: DH182 16:32 Mon 11 Dec 2006 Page 10 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 182-556 1882 2003 122 5 0 .485 .31 1.07 .237 .944 .230 2.55 .449 -.071 1 50 182-557 1932 2003 72 3 3 .358 .28 .54 .090 .728 .202 2.54 .493 -.014 1 51 182-559A 1870 2003 134 6 0 .469 .50 1.57 .326 .840 .280 2.79 .478 .057 2 52 182-559B 1879 2003 125 5 0 .486 .47 1.27 .292 .823 .280 2.60 .393 .012 2 53 182-563 1890 2003 114 5 0 .557 .25 .74 .129 .808 .236 2.79 .450 .024 1 54 182-565 1892 2003 112 5 2 .362 .39 1.27 .211 .822 .250 2.79 .512 -.068 1 55 182-566A 1898 2003 106 5 0 .500 .24 .74 .156 .817 .271 2.73 .461 -.010 1 56 182-568A 1921 2003 83 4 2 .371 .24 .58 .094 .732 .222 2.86 .492 -.053 1 57 182-570 1925 2003 79 3 0 .526 .46 1.43 .286 .910 .223 2.49 .465 -.042 4 58 182-574 1928 2003 76 3 0 .586 .37 .72 .119 .548 .254 2.85 .552 -.029 1 59 182-574 1928 2003 76 3 0 .529 .36 .73 .111 .613 .228 2.70 .506 -.048 1 60 182-575 1930 2003 74 3 0 .400 .24 .66 .133 .663 .336 2.88 .565 -.022 1 61 182-576 1920 2003 84 4 0 .408 .31 .69 .128 .703 .243 2.66 .502 -.032 1 62 182-577 1900 2003 104 4 0 .432 .63 1.56 .359 .874 .204 2.66 .483 -.060 1 63 182-579 1884 2003 120 5 0 .486 .44 1.35 .314 .911 .244 2.92 .560 -.035 1 64 182-580 1885 2003 119 5 3 .409 .31 .97 .183 .771 .266 2.88 .473 -.060 1 65 182-582 1894 2003 110 5 2 .387 .22 .59 .104 .809 .208 2.68 .442 .056 1 66 182-584 1885 2003 119 5 3 .302 .29 .71 .159 .855 .233 2.59 .449 -.047 2 67 182-586 1898 2003 106 5 0 .568 .31 1.03 .175 .772 .315 2.95 .519 -.050 1 68 182-587 1873 2003 131 6 3 .234 .13 .47 .075 .813 .245 2.75 .536 -.057 1 69 182-589 1868 2003 136 6 4 .227 .20 .63 .133 .887 .253 2.59 .405 -.086 1 70 182-591A 1893 2003 111 5 2 .347 .23 .52 .098 .675 .277 2.58 .462 -.041 2 71 182-595A 1896 2003 108 5 0 .575 .29 .76 .156 .827 .246 2.71 .409 -.112 2 72 182-597A 1878 2003 126 5 2 .219 .10 .36 .052 .409 .355 2.66 .265 -.034 1 73 182-602 1930 2003 74 3 0 .460 .18 .39 .073 .419 .338 2.75 .530 .021 1 74 182-612 1896 2003 108 5 0 .464 .11 .35 .046 .539 .325 2.86 .556 -.042 1 75 182-613 1929 2003 75 3 1 .280 .22 .59 .120 .694 .357 2.66 .498 -.049 1 76 182-617F 1933 2003 71 3 0 .563 .21 .73 .139 .893 .271 2.71 .439 .026 1 77 182-619A 1930 2003 74 3 2 .190 .17 .42 .095 .826 .319 2.64 .458 -.033 1 78 182-620 1929 2003 75 3 2 .320 .13 .30 .068 .712 .280 2.77 .516 -.001 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7687 328 65 .432 .33 1.85 .176 .780 .253 3.17 .479 -.028