Green Swamp, North Carolina - NC032 Additional Site Information J.T. Maxwell P.A. Knapp P.T. Soule Reference: Justin T. Maxwell, Joshua C. Bregy, Scott M. Robeson, Paul A. Knapp, Peter T. Soulé, and Valerie Trouet. 2021. Recent increases in tropical cyclone precipitation extremes over the US east coast. Proceeding of the National Academy of Sciences, Vol. 118, e2105636118. DOI: 10.1073/pnas.2105636118 Notes: Reconstructing tropical cyclone precipatation. Data include total ring width, earlywood width, and latewood width. Keywords: Eastern Deciduous Forest, Climate response, Drought Funding: USDA Agriculture and Food Research Initiative 2017-67013-26191 COFECHA output: Chronology file name : NC032.CRN Measurement file name : NC032.RWL Date checked : 27OCT21 Checked by : B. Bauer Beginning year : 1649 Ending year : 2017 Principal investigators: J.T. Maxwell P.A. Knapp P.T. Soule Site name : Green Swamp Site location : N.Carolina Species information : PIPA LONGLEAF PINE Latitude : 3406 Longitude : -07817 Elevation : 19M Series intercorrelation: 0.510 Avg mean sensitivity : 0.396 Avg standard deviation : 0.813 Avg autocorrelation : 0.610 Number dated series : 42 Segment length tested : 50 Number problem segments: 27 Pct problem segments : 13.04 PART 5: CORRELATION OF SERIES BY SEGMENTS: Green Swamp 08:13 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BFL_01A 1916 2017 .59 .52 .48 .53 2 GSL_02B 1949 2017 .35 .35 .39 3 GSL_06A 1921 2017 .42 .47 .49 .48 4 GSL_07A 1834 2017 .54 .44 .51 .64 .75 .62 .45 5 GSL_07B 1837 2017 .36 .38 .25A .41 .66 .63 .66 6 GSL_09A 1863 2017 .36 .46 .72 .71 .66 .62 7 GSL_09B 1900 2017 .67 .55 .49 .54 8 GSL_10A 1873 2017 .48 .50 .66 .79 .59 .54 9 GSL_10B 1871 2017 .44 .50 .65 .69 .44 .29A 10 GSL_11A 1900 2017 .57 .72 .71 .68 11 GSL_11B 1900 2017 .36 .64 .60 .57 12 GSL_13A 1841 2017 .48 .57 .59 .68 .59 .36 .30A 13 GSL_13B 1837 2017 .50 .59 .65 .72 .53 .35 .32A 14 GSL_21A 1870 2017 .55 .66 .66 .60 .69 .62 15 GSL_21B 1870 2017 .66 .73 .82 .78 .37 .18B 16 GSL_23A 1875 2017 .21B .52 .56 .57 .57 17 GSL_27A 1875 2017 .52 .64 .70 .54 .42 18 GSL_27b 1875 2017 .41 .70 .59 .41 .30A 19 GSL_29B 1870 2017 .69 .70 .74 .76 .46 .39 20 GSL_31A 1848 2017 .29B .32B .49 .63 .57 .57 .56 21 GSL_33A 1885 2017 .61 .61 .46 .71 .74 22 GSL_33B 1879 2017 .57 .62 .58 .48 .52 23 GSL_35B 1880 2017 .68 .70 .59 .64 .49 24 BFL_01A 1916 2017 .61 .52 .49 .56 25 BFL_02A 1896 2017 .18B .23B .31A .64 .63 26 BFL_02B 1886 2017 .34 .42 .35 .37 .43 27 BFL_09B 1910 2017 .23A .44 .61 .52 28 MIL_01A 1870 2017 .31B .31B .53 .43 .45 .47 29 MIL_01B 1900 2017 .46 .54 .43 .44 30 MIL_03A 1933 2017 .38 .53 .56 31 MIL_03B 1929 2017 .49 .42 .37 32 GSL104A 1845 1906 .53 .53 .50 33 GSL104B 1845 1906 .51 .49 .51 34 GSL107A 1830 1972 .39 .53 .58 .72 .43 35 GSL107B 1830 1972 .28B .55 .62 .72 .40 36 GSL105A 1862 1952 .34 .42 .46 .42 37 GSL105B 1862 1952 .25A .32A .49 .47 38 BFL102B 1730 1885 .14B .22B .30B .34 .29B .22B 39 BFL108B 1649 1779 .78 .62 .70 .69 .44 40 BFL108A 1652 1777 .82 .69 .76 .63 .52 41 BFL101B 1699 1862 .19B .17B .11B .19B .66 .57 .41 42 BFL101A 1775 1849 .56 .44 Av segment correlation .80 .50 .54 .39 .34 .50 .45 .42 .46 .49 .58 .55 .52 .49 PART 7: DESCRIPTIVE STATISTICS: Green Swamp 08:13 Wed 27 Oct 2021 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 BFL_01A 1916 2017 102 4 0 .519 1.74 4.35 .988 .784 .326 2.55 .323 -.021 1 2 GSL_02B 1949 2017 69 3 0 .388 1.57 3.76 .801 .650 .395 2.51 .394 -.012 1 3 GSL_06A 1921 2017 97 4 0 .434 1.88 4.01 .936 .719 .367 2.41 .367 -.039 1 4 GSL_07A 1834 2017 184 7 0 .576 .87 2.48 .454 .560 .384 2.58 .344 -.015 1 5 GSL_07B 1837 2017 181 7 1 .481 1.17 3.76 .619 .690 .391 2.46 .348 -.006 1 6 GSL_09A 1863 2017 155 6 0 .600 1.13 2.61 .579 .654 .401 2.50 .364 -.017 1 7 GSL_09B 1900 2017 118 4 0 .615 1.38 3.15 .632 .484 .378 2.56 .391 -.013 1 8 GSL_10A 1873 2017 145 6 0 .618 1.44 3.12 .698 .620 .364 2.65 .398 .040 1 9 GSL_10B 1871 2017 147 6 1 .538 1.49 3.72 .728 .615 .376 2.72 .438 .058 1 10 GSL_11A 1900 2017 118 4 0 .630 .91 2.09 .504 .684 .441 2.61 .387 -.016 1 11 GSL_11B 1900 2017 118 4 0 .549 .88 2.93 .509 .603 .471 2.92 .517 -.022 1 12 GSL_13A 1841 2017 177 7 1 .544 .87 2.42 .498 .578 .508 2.67 .371 .014 1 13 GSL_13B 1837 2017 181 7 1 .538 1.20 4.65 .729 .650 .403 2.60 .405 -.043 1 14 GSL_21A 1870 2017 148 6 0 .605 1.17 29.05 2.392 .067 .516 2.62 .369 -.029 2 15 GSL_21B 1870 2017 148 6 1 .601 1.09 8.70 1.004 .560 .510 2.61 .471 -.082 1 16 GSL_23A 1875 2017 143 5 1 .427 1.17 43.08 3.562 -.013 .438 3.24 .424 -.093 1 17 GSL_27A 1875 2017 143 5 0 .626 .87 2.61 .572 .693 .461 2.62 .361 -.006 1 18 GSL_27b 1875 2017 143 5 1 .518 1.10 2.98 .671 .685 .415 2.95 .408 .027 1 19 GSL_29B 1870 2017 148 6 0 .563 1.11 4.29 .671 .587 .463 2.50 .297 -.009 1 20 GSL_31A 1848 2017 170 7 2 .542 .99 3.46 .684 .676 .488 2.68 .390 -.024 1 21 GSL_33A 1885 2017 133 5 0 .648 1.17 4.00 .774 .582 .480 2.63 .447 -.017 1 22 GSL_33B 1879 2017 139 5 0 .535 .75 2.81 .573 .754 .443 2.88 .454 -.018 1 23 GSL_35B 1880 2017 138 5 0 .649 1.19 4.45 .758 .509 .512 2.71 .407 -.022 2 24 BFL_01A 1916 2017 102 4 0 .492 1.74 4.35 .985 .761 .328 2.51 .319 -.066 1 25 BFL_02A 1896 2017 122 5 3 .449 1.41 3.15 .679 .534 .416 2.67 .383 .019 1 26 BFL_02B 1886 2017 132 5 0 .449 1.49 4.09 .801 .557 .438 2.38 .294 -.016 1 27 BFL_09B 1910 2017 108 4 1 .368 1.71 4.20 .804 .476 .385 2.55 .368 .005 1 28 MIL_01A 1870 2017 148 6 2 .451 1.18 3.11 .541 .640 .325 2.61 .341 .041 1 29 MIL_01B 1900 2017 118 4 0 .480 1.24 3.28 .615 .575 .325 2.72 .414 .007 1 30 MIL_03A 1933 2017 85 3 0 .441 2.17 8.05 1.447 .865 .236 2.70 .537 -.002 1 31 MIL_03B 1929 2017 89 3 0 .446 2.36 10.22 1.884 .863 .267 2.58 .497 -.072 3 32 GSL104A 1845 1906 62 3 0 .479 1.06 2.45 .591 .660 .442 2.59 .407 .010 1 33 GSL104B 1845 1906 62 3 0 .467 1.08 2.41 .573 .631 .449 2.48 .373 -.016 1 34 GSL107A 1830 1972 143 5 0 .468 1.07 3.75 .818 .799 .409 2.57 .469 .001 1 35 GSL107B 1830 1972 143 5 1 .427 1.09 4.04 .806 .796 .398 2.66 .512 .048 1 36 GSL105A 1862 1952 91 4 0 .345 1.70 4.98 .990 .625 .335 2.67 .623 -.020 2 37 GSL105B 1862 1952 91 4 2 .321 1.63 3.93 .837 .621 .334 2.55 .521 .028 2 38 BFL102B 1730 1885 156 6 5 .224 .49 .94 .168 .644 .235 2.63 .364 -.010 1 39 BFL108B 1649 1779 131 5 0 .662 1.04 2.26 .385 .489 .305 2.78 .471 -.009 1 40 BFL108A 1652 1777 126 5 0 .702 1.03 2.14 .383 .495 .320 2.66 .417 -.015 1 41 BFL101B 1699 1862 164 7 4 .280 1.14 3.54 .611 .828 .257 2.87 .472 .022 1 42 BFL101A 1775 1849 75 2 0 .461 .76 1.79 .314 .679 .256 2.64 .430 .005 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5393 207 27 .510 1.21 43.08 .813 .610 .396 3.24 .407 -.009