Massachusetts-HWA - MA019 Additional Site Information D. Walker C.A. Copenheaver Purpose of Collection: Ecology - insect outbreaks Cores are stored at: Virginia Tech Tree-Ring Lab Notes: These cores were collected because of an insect outbreak. Not recommended for use in climate reconstruction. Reference: Walker, D.M., Copenheaver, C.A., and Zink-Sharp, A. 2014. Radial growth changes following hemlock woolly adelgid infestation of eastern hemlock. Annals of Forest Science. Vol. 71, No. 5, pp. 595-602, July 2014. DOI: 10.1007/s13595-014-0367-3 COFECHA output: Chronology file name : MA019.CRN Measurement file name : MA019.RWL Date checked : 22SEP14 Checked by : B. Bauer Beginning year : 1887 Ending year : 2010 Principal investigators: D. Walker C.A. Copenheaver Site name : Massachusetts-HWA Site location : Mass. Species information : TSCA EASTERN HEMLOCK Latitude : 4221 Longitude : -07222 Elevation : 180M Series intercorrelation: 0.536 Avg mean sensitivity : 0.216 Avg standard deviation : 0.924 Avg autocorrelation : 0.780 Number dated series : 41 Segment length tested : 50 Number problem segments: 11 Pct problem segments : 7.59 PART 5: CORRELATION OF SERIES BY SEGMENTS: Massachusetts HWA 10:08 Mon 22 Sep 2014 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 quab01a 1900 2010 .33B .61 .70 .70 2 quab01b 1934 2010 .56 .65 .72 3 quab01c 1947 2010 .49 .51 .67 4 quab02a 1925 2010 .68 .70 .70 5 quab02b 1932 2010 .58 .69 .70 6 quab03a 1922 2010 .66 .61 .47 .27A 7 quab03b 1922 2010 .58 .58 .61 .55 8 quab04a 1923 2010 .58 .56 .71 .72 9 quab04b 1924 2010 .68 .68 .78 .77 10 quab05a 1940 2010 .57 .60 .51 11 quab05b 1940 2010 .49 .58 .50 12 quab06a 1906 2010 .47 .66 .69 .51 13 quab06b 1918 2010 .48 .42 .33B .19B 14 quab07a 1930 2010 .55 .55 .49 15 quab07b 1934 2010 .36 .47 .52 16 quab08a 1933 2010 .62 .70 .55 17 quab09a 1947 2010 .63 .63 .64 18 quab09b 1936 2010 .44 .51 .54 19 quab10a 1887 2010 .13B .29B .70 .59 .49 20 quab10b 1937 2010 .57 .50 .29A 21 quab11a 1902 2010 .67 .72 .63 .51 22 quab11b 1933 2010 .35 .37 .41 23 quab12a 1933 2010 .60 .66 .70 24 quab12b 1910 2010 .47 .61 .61 .61 25 quab13a 1923 2010 .60 .59 .74 .64 26 quab13b 1889 2010 .51 .72 .67 .64 .54 27 quab14a 1927 2010 .53 .73 .67 28 quab14b 1931 2010 .23B .53 .55 29 quab15a 1924 2010 .78 .76 .74 .67 30 quab15b 1899 2010 .27B .45 .69 .68 .62 31 quab16a 1924 2010 .63 .61 .70 .58 32 quab16b 1918 2010 .60 .51 .59 .45 33 quab17a 1924 2010 .56 .60 .53 .53 34 quab18a 1917 2010 .59 .55 .61 .43 35 quab18b 1931 2010 .60 .68 .53 36 quab21a 1940 2010 .55 .65 .55 37 quab21b 1903 2010 .51 .34B .50 .47 38 quab22a 1930 2010 .39B .55 .58 39 quab22b 1931 2010 .33 .53 .57 40 quab23a 1948 2010 .67 .73 .59 41 quab23b 1938 2010 .34 .42 .56 Av segment correlation .30 .56 .55 .60 .56 PART 7: DESCRIPTIVE STATISTICS: Massachusetts HWA 10:08 Mon 22 Sep 2014 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 quab01a 1900 2010 111 4 1 .567 1.88 5.41 .925 .780 .267 2.54 .481 -.069 2 2 quab01b 1934 2010 77 3 0 .658 2.76 5.59 .970 .728 .222 2.60 .465 -.002 1 3 quab01c 1947 2010 64 3 0 .530 2.24 4.25 .679 .308 .290 2.74 .497 .003 2 4 quab02a 1925 2010 86 3 0 .679 2.09 3.57 .557 .596 .195 2.48 .451 -.090 1 5 quab02b 1932 2010 79 3 0 .648 2.23 3.61 .529 .519 .194 2.70 .507 -.002 1 6 quab03a 1922 2010 89 4 1 .455 1.40 4.02 .730 .884 .194 2.77 .507 .106 2 7 quab03b 1922 2010 89 4 0 .551 1.36 3.94 .715 .890 .182 2.94 .548 .007 1 8 quab04a 1923 2010 88 4 0 .634 3.43 7.83 1.290 .763 .207 2.74 .454 -.021 2 9 quab04b 1924 2010 87 4 0 .689 3.60 7.16 1.134 .687 .206 2.53 .423 .047 1 10 quab05a 1940 2010 71 3 0 .545 2.54 4.07 .608 .542 .193 2.72 .536 .012 1 11 quab05b 1940 2010 71 3 0 .451 2.57 4.90 .772 .648 .213 2.42 .395 -.034 1 12 quab06a 1906 2010 105 4 0 .550 1.45 3.98 .742 .864 .225 2.72 .539 .084 1 13 quab06b 1918 2010 93 4 2 .319 1.91 3.52 .659 .773 .182 2.66 .424 .007 3 14 quab07a 1930 2010 81 3 0 .516 1.73 4.36 .750 .815 .207 2.70 .495 .049 1 15 quab07b 1934 2010 77 3 0 .453 1.70 4.12 .708 .869 .171 2.66 .542 -.033 1 16 quab08a 1933 2010 78 3 0 .609 1.82 3.86 .782 .909 .165 2.45 .443 .068 1 17 quab09a 1947 2010 64 3 0 .606 2.13 4.13 .646 .647 .197 2.62 .427 -.026 1 18 quab09b 1936 2010 75 3 0 .439 1.82 3.42 .642 .698 .198 2.54 .410 -.164 1 19 quab10a 1887 2010 124 5 2 .417 1.88 4.50 1.128 .860 .270 2.75 .448 -.058 1 20 quab10b 1937 2010 74 3 1 .433 3.49 6.06 1.011 .583 .225 2.53 .477 .007 1 21 quab11a 1902 2010 109 4 0 .635 1.99 4.70 1.168 .904 .197 2.81 .418 .051 3 22 quab11b 1933 2010 78 3 0 .369 2.06 3.68 .649 .758 .177 2.55 .383 .068 5 23 quab12a 1933 2010 78 3 0 .635 2.27 6.37 1.548 .953 .164 2.78 .549 .090 2 24 quab12b 1910 2010 101 4 0 .583 2.42 6.35 1.377 .842 .272 2.57 .365 .035 3 25 quab13a 1923 2010 88 4 0 .606 2.08 4.38 .783 .715 .239 2.71 .533 -.001 1 26 quab13b 1889 2010 122 5 0 .580 1.81 4.81 1.081 .879 .223 2.63 .444 -.069 1 27 quab14a 1927 2010 84 3 0 .588 3.06 7.79 1.723 .821 .288 2.68 .547 -.065 2 28 quab14b 1931 2010 80 3 1 .445 2.88 7.29 1.531 .814 .272 2.76 .446 -.038 3 29 quab15a 1924 2010 87 4 0 .710 2.14 6.27 .964 .810 .211 2.60 .352 .021 1 30 quab15b 1899 2010 112 5 1 .526 1.99 4.56 .880 .856 .197 2.56 .365 -.030 3 31 quab16a 1924 2010 87 4 0 .593 1.94 4.46 .824 .781 .218 2.78 .483 .068 1 32 quab16b 1918 2010 93 4 0 .526 1.95 4.86 1.294 .882 .248 2.53 .492 -.040 2 33 quab17a 1924 2010 87 4 0 .519 1.36 2.59 .428 .674 .200 2.77 .536 -.015 1 34 quab18a 1917 2010 94 4 0 .508 1.66 4.34 .795 .850 .198 2.61 .462 -.070 1 35 quab18b 1931 2010 80 3 0 .568 2.02 4.19 .635 .667 .203 2.72 .553 .071 1 36 quab21a 1940 2010 71 3 0 .517 1.66 2.95 .629 .643 .258 2.65 .489 -.028 1 37 quab21b 1903 2010 108 4 1 .447 1.79 5.59 1.106 .875 .244 2.68 .476 .072 3 38 quab22a 1930 2010 81 3 1 .425 2.05 4.62 1.095 .903 .220 2.80 .583 -.014 1 39 quab22b 1931 2010 80 3 0 .424 2.46 4.80 1.089 .801 .220 2.65 .613 .025 2 40 quab23a 1948 2010 63 3 0 .626 1.87 5.09 .855 .897 .181 2.65 .469 .013 1 41 quab23b 1938 2010 73 3 0 .405 2.11 4.26 .874 .858 .177 2.67 .574 -.064 4 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3539 145 11 .536 2.11 7.83 .924 .780 .216 2.94 .476 -.001