Dalton Highway Mile Post 184, Alaska - AK081 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. Site is 2 miles north of site named DH182; 13 miles north of site DH171. Data are not yet published. Chronology file name : AK081.CRN Measurement file name : AK081.RWL Date checked : 11DEC06 Checked by : B. Bauer Beginning year : 1848 Ending year : 2004 Principal investigators: Andrea Lloyd Chris Fastie Site name : Dalton Highway Mile Post 184 Site location : Alaska Species information : PCMA BLACK SPRUCE Latitude : 6723 Longitude : -15006 Elevation : 385M Series intercorrelation: 0.483 Avg mean sensitivity : 0.233 Avg standard deviation : 0.252 Avg autocorrelation : 0.768 Number dated series : 91 Segment length tested : 50 Number problem segments: 54 Pct problem segments : 16.67 PART 5: CORRELATION OF SERIES BY SEGMENTS: DH184 16:33 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 1875 1900 1925 1950 1975 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 184-775 1932 2003 .10B .37 .36 2 184-728 1906 2003 .37 .26B .38 .40 3 184-741 1933 2003 .28A .32A .35 4 184-744 1915 2003 .46 .64 .63 .65 5 181-651 1924 2003 .74 .76 .76 .79 6 181-654 1928 2003 .30A .42 .42 7 184-632 1912 2003 .52 .56 .50 .50 8 184-642 1921 2003 .29B .31B .27A .28A 9 184-643 1931 2003 .41 .66 .73 10 184-645 1908 2003 .40 .60 .61 .48 11 184-648 1931 2003 .48 .70 .69 12 184-649 1919 2003 .66 .76 .59 .54 13 184-650 1932 2003 .60 .56 .59 14 184-665 1934 2003 .46 .48 .49 15 184-667 1922 2003 .64 .72 .81 .77 16 184-668 1927 2003 .70 .65 .66 17 184-670 1926 2003 .32A .46 .47 18 184-672 1929 2003 .37 .28B .24B 19 184-676 1926 2003 .40 .39 .39 20 184-677 1924 2003 .53 .53 .51 .58 21 184-678 1930 2003 .64 .73 .76 22 184-680 1930 2003 .66 .71 .70 23 184-684 1929 2003 .52 .62 .60 24 184-685 1928 2003 .66 .52 .52 25 184-690 1918 2003 .59 .59 .67 .61 26 184-691 1910 2000 .44 .77 .68 .67 27 184-692 1927 2003 .60 .63 .61 28 184-696 1932 2003 .48 .72 .72 29 184-699 1914 2003 .71 .73 .62 .63 30 184-705 1920 2003 .73 .69 .82 .79 31 184-706 1930 2003 .51 .58 .62 32 184-707 1927 2003 .49 .49 .55 33 184-708 1927 2003 .52 .56 .59 34 184-710 1921 2003 .56 .64 .64 .63 35 184-712 1931 2003 .33A .26B .24B 36 184-713 1901 2003 .54 .57 .66 .64 37 184-714 1901 2003 .40 .43 .49 .49 38 184-715 1887 2003 .07B .22A .19B .19B .21A 39 184-716 1848 2003 .35 .43 .42 .31A .31B 40 184-717 1885 2003 .13B .23B .30A .55 .55 41 184-727 1932 2003 .23A .45 .48 42 184-729 1928 2003 .60 .54 .55 43 184-733 1907 2003 .50 .46 .43 .42 44 184-734 1933 2003 .46 .32B .30A 45 184-738 1930 2003 .31A .27A .28A 46 184-746 1929 2003 .73 .66 .63 47 184-748 1907 2004 .59 .67 .66 .65 48 184-750 1926 2004 .59 .53 .56 49 184-753 1914 2004 .70 .66 .63 .56 50 184-754 1916 2004 .47 .57 .68 .65 51 184-755 1916 2004 .58 .65 .63 .61 52 184-756 1920 2004 .47 .55 .65 .61 53 184-757 1915 2003 .60 .54 .60 .60 54 184-758 1918 2004 .58 .78 .83 .82 55 184-759 1917 2003 .60 .73 .79 .79 56 184-760 1918 2003 .14B .30A .59 .55 57 184-762 1917 2004 .47 .57 .72 .71 58 184-763 1914 2004 .39 .42 .46 .47 59 184-764 1913 2003 .49 .53 .65 .66 60 184-765 1910 2003 .41 .57 .61 .65 61 184-768 1933 2003 .75 .79 .79 62 184-769 1918 2003 .58 .54 .47 .46 63 184-770 1920 2003 .52 .63 .66 .66 64 184-773 1929 2004 .63 .53 .53 65 184-774 1917 2004 .56 .59 .36 .35 66 184-776 1927 2004 .67 .72 .73 67 184-777 1927 2004 .08B .24B .20B 68 184-778 1929 2004 .15B .26A .24A 69 184-779 1926 2003 .53 .46 .44 70 184-781 1920 2004 .46 .47 .65 .71 71 184-784 1929 2004 .62 .73 .74 72 184-785 1933 2004 .29A .40 .50 73 184-786 1930 2004 .70 .65 .67 74 184-787 1927 2004 .73 .47 .50 75 184-788 1908 2004 .51 .32A .40 .42 76 184-790 1909 2004 .01B .55 .68 .59 77 184-791 1908 2003 .32A .57 .62 .60 78 184-792 1919 2003 .57 .57 .47 .36 79 184-793 1926 2003 .62 .63 .62 80 184-796 1925 2003 .56 .51 .48 81 184-797 1927 2003 .62 .71 .74 82 184-799 1911 2003 .51 .57 .63 .64 83 184-800 1920 2003 .32A .24B .21B .20B 84 184-802 1913 2003 .61 .58 .50 .51 85 184-803 1933 2003 .35 .28A .30A 86 184-804 1929 2003 .42 .42 .42 87 184-805 1920 2003 .60 .63 .86 .81 88 184-806 1916 2003 .59 .72 .72 .72 89 184-810 1924 2003 .16B .14B .26A .29A 90 184-816 1926 2003 .14B .47 .49 91 184-824 1922 2003 .53 .53 .58 .58 Av segment correlation .18 .49 .51 .55 .55 PART 7: DESCRIPTIVE STATISTICS: DH184 16:33 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 184-775 1932 2003 72 3 1 .192 .28 .48 .078 .430 .241 2.50 .364 -.025 1 2 184-728 1906 2003 98 4 1 .371 .32 .61 .112 .651 .230 2.69 .447 -.053 2 3 184-741 1933 2003 71 3 2 .256 .21 .42 .077 .397 .304 2.83 .567 .074 1 4 184-744 1915 2003 89 4 0 .569 .33 .90 .167 .763 .246 2.63 .456 .040 1 5 181-651 1924 2003 80 4 0 .708 .95 2.26 .425 .789 .225 2.66 .454 .024 1 6 181-654 1928 2003 76 3 1 .319 .20 .51 .102 .683 .249 2.86 .524 -.040 1 7 184-632 1912 2003 92 4 0 .484 .82 1.63 .327 .823 .184 2.70 .602 .014 1 8 184-642 1921 2003 83 4 4 .379 .36 .76 .140 .767 .214 2.63 .448 .007 1 9 184-643 1931 2003 73 3 0 .433 .45 .92 .175 .835 .180 2.46 .381 .075 2 10 184-645 1908 2003 96 4 0 .449 1.01 2.51 .546 .862 .211 2.50 .387 -.008 1 11 184-648 1931 2003 73 3 0 .509 .36 .82 .134 .746 .190 2.56 .460 -.017 2 12 184-649 1919 2003 85 4 0 .569 .48 1.05 .221 .841 .192 2.60 .473 -.039 1 13 184-650 1932 2003 72 3 0 .577 .62 1.49 .412 .897 .240 2.60 .477 .026 1 14 184-665 1934 2003 70 3 0 .506 .72 1.72 .394 .831 .244 2.57 .446 -.038 1 15 184-667 1922 2003 82 4 0 .657 .61 1.69 .344 .818 .243 2.64 .466 -.077 1 16 184-668 1927 2003 77 3 0 .647 .73 1.40 .286 .828 .199 2.57 .401 -.042 1 17 184-670 1926 2003 78 3 1 .412 .35 .80 .180 .795 .228 2.81 .554 .024 1 18 184-672 1929 2003 75 3 2 .271 .34 .67 .142 .640 .284 2.72 .498 .060 1 19 184-676 1926 2003 78 3 0 .442 .79 1.50 .338 .872 .160 2.68 .564 -.105 1 20 184-677 1924 2003 80 4 0 .519 .82 2.10 .547 .883 .245 2.67 .463 .113 2 21 184-678 1930 2003 74 3 0 .631 .49 1.03 .226 .817 .208 2.79 .497 .050 1 22 184-680 1930 2003 74 3 0 .649 .68 1.45 .275 .756 .219 2.42 .365 -.064 1 23 184-684 1929 2003 75 3 0 .565 .58 1.36 .281 .820 .239 2.80 .527 -.106 1 24 184-685 1928 2003 76 3 0 .523 .60 1.58 .424 .898 .260 2.55 .499 -.012 1 25 184-690 1918 2003 86 4 0 .568 .46 .96 .216 .813 .212 2.85 .612 .042 1 26 184-691 1910 2000 91 4 0 .579 .40 .98 .227 .811 .250 2.80 .589 -.091 1 27 184-692 1927 2003 77 3 0 .504 .34 .81 .159 .772 .219 2.63 .436 .028 1 28 184-696 1932 2003 72 3 0 .527 .45 .81 .141 .539 .229 2.72 .576 -.060 1 29 184-699 1914 2003 90 4 0 .639 1.16 3.00 .666 .873 .196 2.59 .342 -.031 1 30 184-705 1920 2003 84 4 0 .696 .65 1.38 .377 .915 .222 2.64 .358 .048 1 31 184-706 1930 2003 74 3 0 .514 .66 1.64 .354 .878 .236 2.51 .355 -.078 2 32 184-707 1927 2003 77 3 0 .483 .36 .98 .191 .755 .261 3.00 .547 .024 1 33 184-708 1927 2003 77 3 0 .559 .53 1.37 .288 .814 .251 2.66 .428 -.029 1 34 184-710 1921 2003 83 4 0 .569 .41 .96 .176 .779 .200 2.89 .589 -.032 1 35 184-712 1931 2003 73 3 3 .282 .27 .63 .122 .505 .322 2.61 .478 .009 1 36 184-713 1901 2003 103 4 0 .584 .25 .66 .135 .744 .287 2.68 .521 -.054 1 37 184-714 1901 2003 103 4 0 .455 .51 1.15 .250 .775 .253 2.63 .428 -.026 1 38 184-715 1887 2003 117 5 5 .165 .26 .64 .128 .758 .249 2.74 .470 .033 2 39 184-716 1848 2003 156 5 2 .350 .54 1.51 .303 .842 .236 2.77 .563 -.073 2 40 184-717 1885 2003 119 5 3 .295 .34 .98 .210 .883 .224 2.49 .339 -.023 1 41 184-727 1932 2003 72 3 1 .300 .41 .89 .197 .851 .225 2.57 .470 .001 1 42 184-729 1928 2003 76 3 0 .572 .93 3.05 .809 .927 .238 2.64 .450 -.061 1 43 184-733 1907 2003 97 4 0 .433 .59 1.60 .375 .868 .247 2.63 .425 -.053 1 44 184-734 1933 2003 71 3 2 .290 .52 1.20 .193 .619 .232 2.77 .555 -.101 1 45 184-738 1930 2003 74 3 3 .277 .25 .48 .087 .635 .261 2.51 .446 -.005 1 46 184-746 1929 2003 75 3 0 .652 .33 .68 .094 .527 .236 2.61 .457 -.008 1 47 184-748 1907 2004 98 4 0 .634 .41 .82 .194 .866 .201 2.94 .497 -.043 1 48 184-750 1926 2004 79 3 0 .504 .38 .73 .137 .665 .233 2.74 .465 .021 3 PART 7: DESCRIPTIVE STATISTICS: DH184 16:33 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 184-753 1914 2004 91 4 0 .597 .72 1.76 .341 .780 .203 2.89 .527 -.020 1 50 184-754 1916 2004 89 4 0 .569 .54 1.48 .331 .902 .218 2.82 .515 -.001 1 51 184-755 1916 2004 89 4 0 .583 .75 1.44 .317 .838 .192 2.73 .436 -.067 1 52 184-756 1920 2004 85 4 0 .510 .44 1.03 .247 .801 .243 3.04 .536 .002 1 53 184-757 1915 2003 89 4 0 .584 .72 1.78 .422 .868 .239 2.56 .472 -.017 1 54 184-758 1918 2004 87 4 0 .717 .57 1.18 .240 .801 .191 2.68 .364 .026 1 55 184-759 1917 2003 87 4 0 .713 .58 1.30 .223 .741 .207 2.68 .429 .030 1 56 184-760 1918 2003 86 4 2 .297 .30 .73 .127 .709 .253 2.82 .599 .044 1 57 184-762 1917 2004 88 4 0 .577 .48 1.26 .238 .803 .243 2.78 .523 -.080 1 58 184-763 1914 2004 91 4 0 .423 .50 1.09 .216 .799 .241 2.86 .577 -.024 1 59 184-764 1913 2003 91 4 0 .539 .56 1.22 .287 .827 .234 2.73 .504 .018 1 60 184-765 1910 2003 94 4 0 .509 .30 .88 .182 .863 .244 2.85 .483 .086 1 61 184-768 1933 2003 71 3 0 .708 .90 1.97 .413 .831 .219 2.36 .330 -.024 1 62 184-769 1918 2003 86 4 0 .489 .89 1.89 .372 .772 .210 2.89 .500 .016 1 63 184-770 1920 2003 84 4 0 .480 .41 .73 .141 .665 .228 2.64 .440 .015 1 64 184-773 1929 2004 76 3 0 .524 .55 1.02 .188 .675 .200 2.51 .388 .095 1 65 184-774 1917 2004 88 4 0 .401 .31 .89 .182 .840 .236 2.77 .503 -.048 2 66 184-776 1927 2004 78 3 0 .636 .49 1.52 .348 .907 .248 2.71 .485 -.062 1 67 184-777 1927 2004 78 3 3 .206 .32 .55 .095 .579 .199 2.63 .508 -.034 1 68 184-778 1929 2004 76 3 3 .154 .20 .54 .129 .857 .294 2.65 .456 -.029 1 69 184-779 1926 2003 78 3 0 .460 .31 .72 .105 .462 .247 2.85 .471 .028 1 70 184-781 1920 2004 85 4 0 .475 .67 1.41 .338 .862 .225 2.52 .412 .073 1 71 184-784 1929 2004 76 3 0 .619 .50 1.02 .181 .667 .214 2.65 .482 -.010 1 72 184-785 1933 2004 72 3 1 .344 .59 1.69 .436 .929 .226 2.81 .535 -.047 1 73 184-786 1930 2004 75 3 0 .595 .43 1.14 .205 .784 .247 2.61 .455 -.043 1 74 184-787 1927 2004 78 3 0 .510 .41 1.07 .224 .851 .242 3.04 .459 -.008 2 75 184-788 1908 2004 97 4 1 .444 .86 1.88 .498 .879 .203 2.49 .364 -.056 2 76 184-790 1909 2004 96 4 1 .401 .46 .99 .229 .757 .276 2.57 .389 .002 1 77 184-791 1908 2003 96 4 1 .491 .88 1.98 .465 .864 .212 2.60 .505 -.049 5 78 184-792 1919 2003 85 4 0 .394 .37 .85 .221 .886 .224 2.81 .590 .037 1 79 184-793 1926 2003 78 3 0 .603 .47 1.27 .200 .704 .224 2.67 .431 .027 1 80 184-796 1925 2003 79 3 0 .521 .53 1.52 .286 .851 .218 2.73 .464 -.028 1 81 184-797 1927 2003 77 3 0 .597 .43 .79 .152 .766 .214 2.49 .382 -.078 1 82 184-799 1911 2003 93 4 0 .579 .43 .87 .170 .791 .211 2.87 .578 .002 1 83 184-800 1920 2003 84 4 4 .253 .38 1.61 .189 .378 .298 2.99 .425 .042 1 84 184-802 1913 2003 91 4 0 .531 .87 1.68 .368 .824 .214 2.86 .519 .026 1 85 184-803 1933 2003 71 3 2 .286 .18 .86 .130 .358 .318 3.16 .491 .045 1 86 184-804 1929 2003 75 3 0 .415 .31 .87 .162 .790 .262 2.60 .484 -.064 2 87 184-805 1920 2003 84 4 0 .596 .49 .89 .195 .822 .180 2.66 .404 -.074 1 88 184-806 1916 2003 88 4 0 .644 .41 1.00 .228 .874 .251 2.57 .410 -.024 1 89 184-810 1924 2003 80 4 4 .196 .20 .83 .122 .394 .311 2.77 .389 .055 1 90 184-816 1926 2003 78 3 1 .296 .31 .71 .137 .595 .309 2.55 .392 -.011 1 91 184-824 1922 2003 82 4 0 .472 .28 .47 .094 .662 .229 2.60 .418 -.018 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7625 324 54 .483 .51 3.05 .252 .768 .233 3.16 .470 -.011