Corporate Research Center Nature Trail Virginia Tech, Blacksburg, Virginia - VA045 Additional Site Information Copenheaver Deane Bristow Donahoe Morrone Ryan Schulte Shively Notes: Samples collected from a mature, closed-canopy forest. Funding: US Department of Agriculture VA-136635 COFECHA output: Chronology file name : VA045.CRN Measurement file name : VA045.RWL Date checked : 27OCT21 Checked by : B. Bauer Beginning year : 1900 Ending year : 2021 Principal investigators: Copenheaver Deane Bristow Donahoe Morrone Ryan Schulte Shively Site name : Corporate Research Center Nature Trail VTech Site location : Virginia Species information : CYGL PIGNUT HICKORY Latitude : 3712 Longitude : -08025 Elevation : 670M Series intercorrelation: 0.612 Avg mean sensitivity : 0.292 Avg standard deviation : 0.853 Avg autocorrelation : 0.656 Number dated series : 40 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 3.57 PART 5: CORRELATION OF SERIES BY SEGMENTS: Corporate Research Center Nature Tra 16:08 Wed 27 Oct 2021 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CRCPH01B 1954 2020 .81 .53 2 CRCPH02B 1947 2020 .86 .85 .82 3 CRCPH04A 1947 2020 .66 .66 .48 4 CRCPH04B 1940 2020 .59 .49 .32A 5 CRCPN05A 1953 2020 .70 .44 6 CRCPN05B 1956 2020 .69 .44 7 CRCPH06A 1938 2020 .77 .73 .52 8 CRCPH06B 1944 2020 .49 .48 .42 9 CRCPH07A 1940 2020 .84 .80 .72 10 CRCPH07B 1937 2020 .62 .59 .48 11 CRCPH09A 1919 2020 .44 .56 .72 .51 12 CRCPH09B 1909 2020 .37 .65 .71 .51 13 CRCPN11A 1925 2020 .37 .62 .72 14 CRCPH11B 1940 2020 .68 .76 .69 15 CRCPH12A 1969 2020 .40 .40 16 CRCPH17A 1952 2020 .77 .69 17 CRCPN17B 1957 2020 .82 .81 18 CRCPH19B 1932 2020 .59 .42B .24B 19 CRCPN20A 1940 2020 .40 .45 .51 20 CRCPN20B 1970 2020 .63 .63 21 CRCPH21A 1928 2020 .84 .75 .52 22 CRCPH21B 1913 2020 .61 .87 .78 .52 23 CRCPH22A 1909 2020 .65 .76 .76 .60 24 CRCPH22B 1953 2020 .89 .69 25 CRCPH23A 1954 2020 .71 .66 26 CRCPH23B 1951 2020 .80 .72 27 CRCPH27A 1956 2021 .58 .55 28 CRCPH27B 1957 2021 .68 .62 29 CRCPH32B 1957 2021 .72 .42 30 CRCPH33A 1905 2021 .52 .65 .74 .62 31 CRCPH33B 1927 2021 .66 .74 .66 32 CRCPH34A 1903 2021 .40 .73 .72 .59 33 CRCPH34B 1900 2021 .62 .85 .78 .70 34 CRCPH36A 1913 2001 .50 .63 .61 .63 35 CRCPH36B 1950 2021 .57 .35 36 CRCPN37A 1947 2021 .52 .56 .48 37 CRCPH37B 1959 2021 .50 .40 38 CRCPN38A 1956 2021 .55 .32A 39 CRCPH38B 1919 2021 .75 .77 .65 .37 40 CRCPH40B 1957 2021 .76 .64 Av segment correlation .54 .67 .67 .55 PART 7: DESCRIPTIVE STATISTICS: Corporate Research Center Nature Trail V 16:08 Wed 27 Oct 2021 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 CRCPH01B 1954 2020 67 2 0 .705 1.11 2.69 .711 .789 .277 2.59 .511 -.019 1 2 CRCPH02B 1947 2020 74 3 0 .843 1.99 3.61 .588 .244 .277 2.65 .496 -.004 1 3 CRCPH04A 1947 2020 74 3 0 .567 2.34 5.64 1.241 .702 .296 2.84 .592 -.104 1 4 CRCPH04B 1940 2020 81 3 1 .448 2.32 6.62 1.451 .743 .289 2.98 .508 .006 2 5 CRCPN05A 1953 2020 68 2 0 .614 1.87 5.20 1.076 .618 .329 2.74 .549 -.095 1 6 CRCPN05B 1956 2020 65 2 0 .606 2.22 5.14 1.002 .505 .306 2.78 .549 -.109 1 7 CRCPH06A 1938 2020 83 3 0 .647 1.17 3.26 .516 .648 .209 3.00 .478 -.066 1 8 CRCPH06B 1944 2020 77 3 0 .446 1.05 2.40 .542 .692 .265 3.02 .523 -.002 1 9 CRCPH07A 1940 2020 81 3 0 .789 2.10 5.79 1.072 .612 .286 2.57 .435 -.055 1 10 CRCPH07B 1937 2020 84 3 0 .561 2.34 6.20 1.763 .888 .265 2.56 .352 -.101 1 11 CRCPH09A 1919 2020 102 4 0 .475 1.48 3.62 .757 .537 .342 2.60 .450 -.079 1 12 CRCPH09B 1909 2020 112 4 0 .556 1.59 4.31 .796 .639 .329 2.78 .454 -.065 1 13 CRCPN11A 1925 2020 96 3 0 .519 1.80 4.24 .812 .354 .369 2.79 .595 .088 1 14 CRCPH11B 1940 2020 81 3 0 .669 1.56 3.14 .557 .575 .246 2.87 .624 -.040 1 15 CRCPH12A 1969 2020 52 2 0 .407 1.72 2.98 .526 .312 .311 2.64 .552 .130 2 16 CRCPH17A 1952 2020 69 2 0 .768 2.20 4.25 .748 .531 .265 2.64 .468 -.062 1 17 CRCPN17B 1957 2020 64 2 0 .775 2.18 4.41 .748 .392 .262 2.64 .463 .038 1 18 CRCPH19B 1932 2020 89 3 2 .439 1.44 4.86 .782 .773 .260 2.83 .494 -.074 1 19 CRCPN20A 1940 2020 81 3 0 .456 1.69 3.97 .675 .570 .293 2.75 .499 -.034 1 20 CRCPN20B 1970 2020 51 2 0 .611 2.28 4.56 .849 .517 .284 2.71 .617 -.075 1 21 CRCPH21A 1928 2020 93 3 0 .715 1.72 5.09 1.008 .765 .248 2.77 .480 -.091 1 22 CRCPH21B 1913 2020 108 4 0 .701 1.63 4.46 .828 .743 .262 2.59 .301 -.053 1 23 CRCPH22A 1909 2020 112 4 0 .693 1.21 4.18 .570 .552 .296 2.92 .451 -.015 1 24 CRCPH22B 1953 2020 68 2 0 .808 1.39 3.24 .556 .703 .247 2.55 .437 -.060 1 25 CRCPH23A 1954 2020 67 2 0 .671 2.02 4.88 1.395 .704 .387 2.49 .433 -.051 1 26 CRCPH23B 1951 2020 70 2 0 .760 1.87 3.79 .829 .555 .307 2.65 .581 .037 1 27 CRCPH27A 1956 2021 66 2 0 .595 1.66 5.45 .798 .674 .265 2.82 .537 -.069 1 28 CRCPH27B 1957 2021 65 2 0 .707 2.13 6.39 1.185 .552 .394 2.76 .545 -.060 1 29 CRCPH32B 1957 2021 65 2 0 .639 1.43 3.63 .743 .745 .265 2.56 .464 -.102 1 30 CRCPH33A 1905 2021 117 4 0 .622 1.22 3.43 .619 .644 .313 2.67 .450 -.035 2 31 CRCPH33B 1927 2021 95 3 0 .647 1.55 4.76 .907 .774 .325 2.75 .466 -.021 1 32 CRCPH34A 1903 2021 119 4 0 .551 .64 2.35 .454 .769 .314 2.79 .455 -.092 1 33 CRCPH34B 1900 2021 122 4 0 .714 1.02 3.96 .854 .846 .301 2.81 .522 -.068 1 34 CRCPH36A 1913 2001 89 4 0 .542 .70 2.41 .508 .788 .337 2.56 .444 -.094 1 35 CRCPH36B 1950 2021 72 2 0 .566 .93 2.85 .607 .664 .282 2.77 .580 -.064 2 36 CRCPN37A 1947 2021 75 3 0 .517 2.06 4.63 1.066 .734 .272 2.53 .449 -.044 1 37 CRCPH37B 1959 2021 63 2 0 .444 1.55 4.51 1.026 .816 .222 2.63 .478 -.009 1 38 CRCPN38A 1956 2021 66 2 1 .454 1.97 4.98 .926 .684 .268 2.76 .486 .036 1 39 CRCPH38B 1919 2021 103 4 0 .573 2.01 7.05 1.676 .824 .325 2.70 .389 -.079 1 40 CRCPH40B 1957 2021 65 2 0 .676 1.21 3.57 .485 .655 .207 2.48 .486 -.037 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3251 112 4 .612 1.61 7.05 .853 .656 .292 3.02 .485 -.045