Virginia-HWA - VA032 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 : VA032.CRN Measurement file name : VA032.RWL Date checked : 22SEP14 Checked by : B. Bauer Beginning year : 1869 Ending year : 2010 Principal investigators: D. Walker C.A. Copenheaver Site name : Virginia-HWA Site location : Virginia Species information : TSCA EASTERN HEMLOCK Latitude : 3711 Longitude : -08029 Elevation : 570M Series intercorrelation: 0.523 Avg mean sensitivity : 0.266 Avg standard deviation : 1.043 Avg autocorrelation : 0.757 Number dated series : 39 Segment length tested : 50 Number problem segments: 12 Pct problem segments : 11.32 PART 5: CORRELATION OF SERIES BY SEGMENTS: Virginia HWA 10:11 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 fhtc01a 1938 2010 .55 .66 .62 2 fhtc01b 1948 2010 .49 .49 .64 3 fhtc02a 1880 2010 .79 .78 .73 .74 .70 4 fhtc02b 1870 2010 .74 .78 .78 .62 .54 .61 5 fhtc03a 1909 2010 .74 .75 .68 .66 6 fhtc03b 1943 2010 .52 .55 .48 7 fhtc04a 1869 2010 .67 .72 .62 .30A .25B .41 8 fhtc04b 1902 2010 .73 .74 .59 .49 9 fhtc05a 1956 2010 .72 .68 10 fhtc05b 1959 2010 .46 .48 11 fhtc06a 1943 2010 .30B .36 .44 12 fhtc06b 1957 2010 .42 .45 13 fhtc08b 1956 2010 .33B .29A 14 fhtc09a 1957 2010 .61 .57 15 fhtc09b 1928 2010 .60 .62 .60 16 fhtc10a 1919 2010 .60 .63 .36 .32A 17 fhtc10b 1954 2010 .65 .61 18 fhtc11a 1945 2010 .57 .59 .65 19 fhtc11b 1910 2010 .70 .66 .72 .62 20 fhtc12a 1957 2010 .40 .46 21 fhtc12b 1956 2010 .55 .54 22 fhtc14a 1951 2010 .61 .69 23 fhtc13a 1954 2010 .47 .53 24 fhtc13b 1985 2010 .25A 25 fhtc14b 1939 2010 -.02B .47 .56 26 fhtc16b 1960 2010 .50 .49 27 fhtc17a 1954 2010 .55 .56 28 fhtc18a 1958 2010 .37 .42 29 fhtc19a 1978 2010 .38 30 fhtc19b 1941 2010 .35 .44 .56 31 fhtc20a 1932 2010 .62 .56 .51 32 fhtc20b 1934 2010 .68 .57 .51 33 fhtc21a 1928 2010 .68 .64 .68 34 fhtc21b 1925 2010 .71 .71 .74 35 fhtc22a 1986 2010 .46 36 fhtc22b 1985 2010 .23B 37 fhtc23a 1955 2010 .26B .26B 38 fhtc23b 1954 2010 .25B .41 39 fhtc16a 1939 2010 .40 .53 .62 Av segment correlation .70 .76 .71 .55 .52 .52 PART 7: DESCRIPTIVE STATISTICS: Virginia HWA 10:11 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 fhtc01a 1938 2010 73 3 0 .570 3.39 8.45 1.972 .860 .218 2.64 .465 -.004 1 2 fhtc01b 1948 2010 63 3 0 .494 3.12 9.09 1.690 .819 .188 2.87 .568 .008 1 3 fhtc02a 1880 2010 131 5 0 .695 1.24 4.32 .589 .621 .289 2.95 .541 .003 1 4 fhtc02b 1870 2010 141 6 0 .656 1.32 3.98 .835 .777 .294 2.77 .483 .005 1 5 fhtc03a 1909 2010 102 4 0 .709 1.66 4.46 .915 .595 .381 2.92 .630 -.034 1 6 fhtc03b 1943 2010 68 3 0 .535 3.13 6.66 1.298 .618 .254 2.77 .502 .008 2 7 fhtc04a 1869 2010 142 6 2 .478 1.19 3.14 .682 .791 .269 2.67 .441 -.053 1 8 fhtc04b 1902 2010 109 4 0 .631 1.21 5.39 1.005 .887 .253 2.80 .462 -.029 1 9 fhtc05a 1956 2010 55 2 0 .671 2.32 5.43 1.198 .860 .236 3.02 .670 .066 1 10 fhtc05b 1959 2010 52 2 0 .460 1.71 4.87 .858 .693 .266 2.86 .513 -.034 1 11 fhtc06a 1943 2010 68 3 1 .438 2.21 6.12 1.593 .916 .207 2.65 .472 -.039 1 12 fhtc06b 1957 2010 54 2 0 .418 2.44 6.36 1.600 .892 .223 2.68 .483 -.076 1 13 fhtc08b 1956 2010 55 2 2 .265 2.68 5.12 1.143 .745 .275 2.56 .414 -.049 2 14 fhtc09a 1957 2010 54 2 0 .572 1.52 2.91 .722 .815 .281 3.06 .617 .025 2 15 fhtc09b 1928 2010 83 3 0 .567 1.80 3.93 .821 .825 .276 2.68 .449 .049 1 16 fhtc10a 1919 2010 92 4 1 .456 2.12 4.32 1.052 .816 .281 2.59 .543 -.034 1 17 fhtc10b 1954 2010 57 2 0 .630 2.70 4.81 .819 .324 .235 2.63 .486 .079 1 18 fhtc11a 1945 2010 66 3 0 .591 2.93 6.14 1.229 .761 .232 2.52 .423 .020 1 19 fhtc11b 1910 2010 101 4 0 .665 1.84 5.54 1.197 .644 .411 2.65 .512 .002 1 20 fhtc12a 1957 2010 54 2 0 .388 2.18 3.85 1.000 .807 .221 2.49 .460 -.010 1 21 fhtc12b 1956 2010 55 2 0 .528 2.83 6.28 1.358 .756 .244 2.97 .588 .039 2 22 fhtc14a 1951 2010 60 2 0 .596 1.48 3.10 .693 .823 .246 2.56 .384 .010 1 23 fhtc13a 1954 2010 57 2 0 .471 1.57 4.40 1.138 .885 .261 2.80 .544 -.067 1 24 fhtc13b 1985 2010 26 1 1 .249 3.61 7.44 1.881 .687 .320 2.79 .670 -.130 1 25 fhtc14b 1939 2010 72 3 1 .102 1.40 3.27 .536 .706 .229 2.35 .287 -.065 1 26 fhtc16b 1960 2010 51 2 0 .499 1.53 2.88 .570 .669 .242 2.80 .596 -.007 1 27 fhtc17a 1954 2010 57 2 0 .512 1.31 3.28 .628 .791 .240 2.84 .495 .011 1 28 fhtc18a 1958 2010 53 2 0 .392 1.40 4.71 .857 .730 .345 2.74 .448 -.107 1 29 fhtc19a 1978 2010 33 1 0 .385 2.51 5.38 1.279 .879 .225 2.69 .545 -.039 1 30 fhtc19b 1941 2010 70 3 0 .418 2.83 5.05 .928 .686 .189 2.59 .416 .056 1 31 fhtc20a 1932 2010 79 3 0 .577 1.69 3.37 .682 .687 .248 2.83 .578 -.005 1 32 fhtc20b 1934 2010 77 3 0 .552 1.77 3.68 .692 .687 .243 2.65 .431 -.060 2 33 fhtc21a 1928 2010 83 3 0 .674 2.79 5.47 1.398 .883 .231 2.55 .426 .002 1 34 fhtc21b 1925 2010 86 3 0 .697 3.27 6.76 1.333 .761 .220 2.76 .503 -.019 1 35 fhtc22a 1986 2010 25 1 0 .469 3.15 8.20 2.201 .719 .353 3.09 .666 -.002 1 36 fhtc22b 1985 2010 26 1 1 .243 3.19 6.98 2.130 .776 .342 2.93 .654 -.016 1 37 fhtc23a 1955 2010 56 2 2 .239 1.81 4.58 1.200 .834 .279 2.97 .522 -.097 1 38 fhtc23b 1954 2010 57 2 1 .265 1.57 5.97 1.335 .819 .328 2.79 .508 -.009 1 39 fhtc16a 1939 2010 72 3 0 .456 1.42 2.88 .630 .770 .241 2.86 .538 -.080 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2715 106 12 .523 2.02 9.09 1.043 .757 .266 3.09 .501 -.016