Bolton Mountain High ABBA, Vermont - VT008
Additional Site Information
Daniel G. Gavin
Purpose of Collection:
Forest dynamics study
Notes:
Entire data set included here; several trees not
included because of poor crossdating.
Detailed tree-level and core-level information
is archived at:
http://geography.uoregon.edu/gavin/
COFECHA output:
Chronology file name : VT008.CRN
Measurement file name : VT008.RWL
Date checked : 04SEP09
Checked by : B. Bauer
Beginning year : 1879
Ending year : 2005
Principal investigators: Daniel G. Gavin
Site name : Bolton Mountain High
Site location : Vermont
Species information : ABBA BALSAM FIR
Latitude : 4427
Longitude : -07251
Elevation : 900M
Series intercorrelation: 0.430
Avg mean sensitivity : 0.203
Avg standard deviation : 0.717
Avg autocorrelation : 0.760
Number dated series : 78
Segment length tested : 50
Number problem segments: 38
Pct problem segments : 23.17
PART 5: CORRELATION OF SERIES BY SEGMENTS: Bolton Mountain High Fir 15:05 Fri 04 Sep 2009 Page 5
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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 BH-R02A 1959 2004 .52
2 BH-R02B 1963 2004 .62
3 BH-B17A 1953 2004 .52 .53
4 BH-B17B 1947 2004 .58 .57 .46
5 BH-B18A 1909 2004 .53 .28B .30A .26A
6 BH-B18B 1935 2004 .44 .41 .46
7 BH-B19A 1940 2004 .32A .39 .56
8 BH-B19B 1941 2004 .33 .42 .51
9 BH-B20A 1956 2004 .69
10 BH-B20B 1949 2004 .56 .58 .61
11 BH-B21A 1961 2004 .53
12 BH-B21B 1953 2004 .58 .62
13 BH-B22A 1957 2004 .41
14 BH-B22B 1958 2004 .37
15 BH-B24A 1926 2004 .21B .45 .46
16 BH-B24B 1920 2004 .22A .19B .46 .49
17 BH-B25A 1970 2004 .69
18 BH-B25B 1970 2004 .09B
19 BH-B26A 1960 2004 .33A
20 BH-B26B 1953 2004 .25A .21B
21 BH-B27A 1948 2004 .46 .43 .45
22 BH-B27B 1948 2004 .28A .31A .32A
23 BH-B28A 1932 2004 .72 .74 .76
24 BH-B28B 1940 2004 .67 .70 .70
25 BH-B29A 1960 2004 .37
26 BH-B29B 1964 2004 .50
27 BH-B30A 1960 2004 .54
28 BH-B30B 1957 2004 .34
29 BH-B31A 1948 2004 .66 .62 .63
30 BH-B31B 1927 2004 .46 .44 .56
31 BH-B32A 1956 2004 .39
32 BH-B32B 1951 2004 .26A .36
33 BH-B33A 1912 2005 .18A .46 .53 .53
34 BH-B33B 1906 2005 -.09B .49 .68 .73
35 BH-B36A 1968 2005 .08B
36 BH-B36B 1967 2005 .46
37 BH-B38A 1961 2005 .30A
38 BH-B38B 1963 2005 .43
39 BH-B40A 1891 2002 .18B .35B .24B .39 .44
40 BH-B40B 1898 2004 .03B .30B .20B .25A .11B
41 BH-B42A 1955 2005 .52 .54
42 BH-B42B 1959 2005 .30A
43 BH-B44A 1956 2005 .37
44 BH-B44B 1957 2005 .23B
45 BH-B46A 1961 2005 .34
46 BH-B46B 1957 2005 .67
47 BH-B48A 1953 2005 .47 .47
48 BH-B48B 1953 2005 .60 .54
49 BH-B50A 1946 2005 .63 .63 .62
50 BH-B50B 1950 2005 .71 .68
51 BH-B53A 1960 2005 .45
52 BH-B53B 1961 2005 .11B
53 BH-B55A 1956 2005 .51
54 BH-B55B 1956 2005 .54
55 BH-B57A 1959 2005 .39
56 BH-B57B 1956 2005 .59
57 BH-B59A 1960 2005 .49
58 BH-B59B 1939 2005 .51 .49 .53
59 BH-B60A 1920 2005 .33A .30B .61 .60
60 BH-B60B 1879 2005 .02B .16B .37 .54 .54
61 BH-B61A 1922 2005 .42 .44 .37 .41
62 BH-B61B 1915 2005 .40 .40 .33 .38
63 BH-B63A 1963 2005 .56
64 BH-B63B 1961 2005 .50
65 BH-B65A 1935 2005 .51 .45 .44
66 BH-B65B 1936 2005 .55 .57 .36
67 BH-B67A 1952 2005 .62 .67
68 BH-B67B 1943 2005 .42 .55 .55
69 BH-B69A 1953 2005 .59 .64
70 BH-B69B 1976 2005 .45
71 BH-B71A 1954 2005 .77 .79
72 BH-B71B 1962 2005 .45
73 BH-B73A 1962 2005 .23A
74 BH-B73B 1963 2005 .29B
75 BH-B75A 1908 2005 .07B .19B .48 .54
76 BH-B75B 1929 2005 .38 .55 .54
77 BH-B77A 1954 2005 .57 .55
78 BH-B77B 1944 2005 .49 .59 .60
Av segment correlation .08 .26 .42 .47 .52
PART 7: DESCRIPTIVE STATISTICS: Bolton Mountain High Fir 15:05 Fri 04 Sep 2009 Page 9
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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 BH-R02A 1959 2004 46 1 0 .518 2.86 4.27 1.088 .835 .171 2.50 .487 -.021 1
2 BH-R02B 1963 2004 42 1 0 .623 3.04 4.15 .874 .846 .128 2.35 .480 .003 1
3 BH-B17A 1953 2004 52 2 0 .518 1.78 2.77 .581 .506 .264 2.63 .487 .183 1
4 BH-B17B 1947 2004 58 3 0 .485 1.90 3.47 .648 .601 .248 2.63 .487 .113 1
5 BH-B18A 1909 2004 96 4 3 .328 2.00 3.69 .818 .835 .199 2.55 .456 .002 1
6 BH-B18B 1935 2004 70 3 0 .468 1.79 3.12 .498 .564 .201 2.61 .524 -.025 1
7 BH-B19A 1940 2004 65 3 1 .347 2.46 4.45 .627 .269 .230 2.65 .382 -.005 1
8 BH-B19B 1941 2004 64 3 0 .374 2.43 4.56 .791 .617 .243 2.53 .458 -.033 1
9 BH-B20A 1956 2004 49 1 0 .691 2.63 3.93 .582 .668 .137 2.45 .456 .112 1
10 BH-B20B 1949 2004 56 3 0 .591 2.54 4.25 .628 .634 .149 2.71 .531 .033 2
11 BH-B21A 1961 2004 44 1 0 .530 2.17 3.67 .717 .768 .170 2.54 .551 -.032 1
12 BH-B21B 1953 2004 52 2 0 .588 2.37 3.73 .769 .836 .156 2.56 .526 .007 1
13 BH-B22A 1957 2004 48 1 0 .408 2.33 4.09 .668 .787 .165 2.66 .474 .025 1
14 BH-B22B 1958 2004 47 1 0 .366 2.27 3.72 .738 .849 .146 2.47 .535 -.041 2
15 BH-B24A 1926 2004 79 3 1 .354 2.08 6.49 1.518 .925 .220 2.95 .525 -.037 2
16 BH-B24B 1920 2004 85 4 2 .435 1.51 4.60 1.169 .930 .211 2.91 .541 .098 1
17 BH-B25A 1970 2004 35 1 0 .692 2.87 4.17 .541 .559 .131 2.64 .549 -.042 1
18 BH-B25B 1970 2004 35 1 1 .088 3.26 4.48 .560 .380 .141 2.67 .575 -.021 1
19 BH-B26A 1960 2004 45 1 1 .326 2.01 2.97 .502 .643 .174 2.77 .609 .085 1
20 BH-B26B 1953 2004 52 2 2 .211 2.30 4.07 .482 .531 .164 2.72 .550 -.040 1
21 BH-B27A 1948 2004 57 3 0 .475 2.76 5.17 1.098 .908 .135 2.99 .607 .054 3
22 BH-B27B 1948 2004 57 3 3 .300 2.32 4.60 1.171 .945 .135 2.69 .555 .167 1
23 BH-B28A 1932 2004 73 3 0 .721 1.19 2.61 .489 .700 .233 2.55 .364 -.097 1
24 BH-B28B 1940 2004 65 3 0 .685 .98 1.95 .374 .756 .216 2.55 .452 -.030 1
25 BH-B29A 1960 2004 45 1 0 .374 1.99 3.25 .556 .733 .159 2.56 .582 -.064 4
26 BH-B29B 1964 2004 41 1 0 .502 1.78 3.25 .801 .888 .197 2.78 .697 -.129 3
27 BH-B30A 1960 2004 45 1 0 .544 1.51 5.45 .772 .843 .206 2.71 .568 -.077 1
28 BH-B30B 1957 2004 48 1 0 .340 1.61 3.95 .950 .902 .234 2.52 .435 -.029 2
29 BH-B31A 1948 2004 57 3 0 .649 1.39 2.70 .581 .787 .232 2.69 .672 -.024 1
30 BH-B31B 1927 2004 78 3 0 .453 2.21 5.30 .976 .779 .245 2.60 .480 -.076 1
31 BH-B32A 1956 2004 49 1 0 .391 2.31 4.04 .964 .882 .204 2.72 .527 -.072 1
32 BH-B32B 1951 2004 54 2 1 .371 2.46 4.28 1.079 .895 .211 2.49 .454 -.093 1
33 BH-B33A 1912 2005 94 4 1 .383 1.36 3.44 .875 .906 .249 2.91 .696 .000 1
34 BH-B33B 1906 2005 100 4 1 .423 .75 2.69 .551 .834 .283 2.83 .471 -.053 1
35 BH-B36A 1968 2005 38 1 1 .079 1.88 2.92 .309 .210 .152 2.41 .386 .060 1
36 BH-B36B 1967 2005 39 1 0 .462 1.93 2.59 .365 .291 .164 2.74 .569 -.074 1
37 BH-B38A 1961 2005 45 1 1 .296 2.22 3.64 .715 .694 .218 2.44 .469 -.026 1
38 BH-B38B 1963 2005 43 1 0 .435 2.22 4.41 .932 .846 .207 2.47 .428 -.001 2
39 BH-B40A 1891 2002 112 5 3 .330 1.23 4.05 .922 .936 .278 2.43 .367 -.116 1
40 BH-B40B 1898 2004 107 5 5 .125 1.18 3.96 .939 .954 .227 2.67 .487 -.103 1
41 BH-B42A 1955 2005 51 2 0 .494 1.97 3.61 .606 .694 .173 2.79 .480 .017 2
42 BH-B42B 1959 2005 47 1 1 .300 1.13 2.22 .393 .808 .175 2.59 .617 -.073 1
43 BH-B44A 1956 2005 50 1 0 .367 1.59 2.39 .440 .805 .125 2.57 .461 .038 1
44 BH-B44B 1957 2005 49 1 1 .233 1.71 2.61 .569 .846 .142 2.52 .446 -.014 1
45 BH-B46A 1961 2005 45 1 0 .177 1.74 2.76 .602 .548 .265 2.43 .397 .066 2
46 BH-B46B 1957 2005 49 1 0 .670 1.83 2.99 .486 .704 .179 2.55 .554 .165 1
47 BH-B48A 1953 2005 53 2 0 .433 1.59 2.89 .701 .854 .193 2.53 .485 .015 2
48 BH-B48B 1953 2005 53 2 0 .556 1.53 2.74 .543 .827 .201 2.36 .386 -.085 1
PART 7: DESCRIPTIVE STATISTICS: Bolton Mountain High Fir 15:05 Fri 04 Sep 2009 Page 10
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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 BH-B50A 1946 2005 60 3 0 .602 2.15 4.20 .670 .820 .146 2.71 .439 -.021 1
50 BH-B50B 1950 2005 56 2 0 .695 2.00 3.48 .520 .755 .144 2.64 .501 -.010 1
51 BH-B53A 1960 2005 46 1 0 .448 2.29 3.72 .592 .735 .141 2.74 .642 .100 1
52 BH-B53B 1961 2005 45 1 1 .109 3.52 5.44 .886 .717 .133 2.46 .451 -.081 1
53 BH-B55A 1956 2005 50 1 0 .515 2.27 4.06 .758 .858 .145 2.49 .467 .055 1
54 BH-B55B 1956 2005 50 1 0 .535 1.94 4.43 .796 .809 .179 2.54 .477 -.062 1
55 BH-B57A 1959 2005 47 1 0 .395 2.91 4.69 .741 .668 .143 2.80 .534 -.036 1
56 BH-B57B 1956 2005 50 1 0 .592 3.05 4.47 .675 .689 .124 2.63 .494 -.036 1
57 BH-B59A 1960 2005 46 1 0 .487 1.07 3.03 .797 .876 .305 2.50 .473 -.070 1
58 BH-B59B 1939 2005 67 3 0 .465 1.17 3.19 .710 .764 .355 2.97 .542 -.010 1
59 BH-B60A 1920 2005 86 4 2 .499 1.31 3.80 .863 .854 .247 2.61 .477 -.100 2
60 BH-B60B 1879 2005 127 5 2 .290 1.08 3.41 .661 .887 .224 2.62 .495 .032 1
61 BH-B61A 1922 2005 84 4 0 .383 1.25 2.30 .377 .647 .199 2.57 .393 -.017 1
62 BH-B61B 1915 2005 91 4 0 .364 1.65 2.90 .530 .753 .186 2.58 .393 -.037 1
63 BH-B63A 1963 2005 43 1 0 .557 1.59 2.63 .468 .719 .175 2.44 .456 -.077 1
64 BH-B63B 1961 2005 45 1 0 .502 1.27 2.92 .698 .938 .191 2.36 .451 -.063 1
65 BH-B65A 1935 2005 71 3 0 .420 1.25 3.51 .973 .911 .293 2.55 .489 .128 1
66 BH-B65B 1936 2005 70 3 0 .354 1.14 2.47 .734 .830 .286 2.53 .520 -.015 1
67 BH-B67A 1952 2005 54 2 0 .625 1.80 2.76 .587 .644 .211 2.74 .520 -.009 1
68 BH-B67B 1943 2005 63 3 0 .399 1.54 2.57 .550 .682 .224 2.51 .548 .013 1
69 BH-B69A 1953 2005 53 2 0 .606 2.46 4.04 .702 .572 .216 2.46 .412 .049 1
70 BH-B69B 1976 2005 30 1 0 .455 3.61 4.72 .604 .450 .131 2.61 .480 .073 1
71 BH-B71A 1954 2005 52 2 0 .770 2.26 4.22 1.079 .887 .213 2.57 .512 -.003 1
72 BH-B71B 1962 2005 44 1 0 .454 2.96 4.72 1.298 .850 .232 2.33 .510 -.075 1
73 BH-B73A 1962 2005 44 1 1 .232 1.84 3.04 .510 .792 .149 2.52 .427 -.070 1
74 BH-B73B 1963 2005 43 1 1 .287 1.61 2.34 .397 .728 .168 2.82 .601 -.090 2
75 BH-B75A 1908 2005 98 4 2 .211 1.66 2.88 .562 .593 .252 2.28 .281 .007 1
76 BH-B75B 1929 2005 77 3 0 .400 1.90 3.74 .759 .799 .211 2.59 .431 -.022 1
77 BH-B77A 1954 2005 52 2 0 .540 1.79 2.78 .505 .808 .132 2.68 .491 .013 1
78 BH-B77B 1944 2005 62 3 0 .450 1.49 2.50 .365 .656 .165 2.54 .491 .081 1
--- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- --
Total or mean: 4570 164 38 .430 1.86 6.49 .717 .760 .203 2.99 .490 -.010