LBJ National Grassland, Texas - TX057 Additional Site Information Stahle Reference: David W. Stahle, Edward R. Cook, Dorian J. Burnette, Jose Villanueva, Julian Cerano, Jordan N. Burns, Daniel Griffin, Benjamin I. Cook, Rodolfo Acuna, Max C.A. Torbenson, Paul Sjezner, Ian M. Howard. 2016. The Mexican Drought Atlas: Tree-ring reconstructions of the soil moisture balance during the late pre-Hispanic, colonial, and modern eras. Quaternary Science Reviews, 149, 34-60. doi: 10.1016/j.quascirev.2016.06.018 COFECHA output: Chronology file name : TX057.CRN Measurement file name : TX057.RWL Date checked : 08DEC16 Checked by : B. Bauer Beginning year : 1684 Ending year : 2004 Principal investigators: Stahle Site name : LBJ National Grassland Site location : Texas Species information : QUST POST OAK Latitude : 03313 Longitude : -09721 Elevation : 312M Series intercorrelation: 0.632 Avg mean sensitivity : 0.247 Avg standard deviation : 0.337 Avg autocorrelation : 0.591 Number dated series : 26 Segment length tested : 50 Number problem segments: 13 Pct problem segments : 6.07 PART 5: CORRELATION OF SERIES BY SEGMENTS: LBJ National Grassland 13:49 Thu 08 Dec 2016 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 LBJ01A 1823 2004 .54 .54 .64 .61 .72 .60 .37 .37 2 LBJ02A 1785 2004 .68 .61 .61 .74 .69 .60 .56 .50 .50 3 LBJ03A 1870 2004 .73 .73 .84 .82 .75 .73 4 LBJ04A 1874 2004 .79 .79 .81 .78 .77 .76 5 LBJ06A 1822 2004 .26B .27B .70 .77 .76 .65 .41 .34 6 LBJ07A 1900 2004 .91 .90 .75 .74 7 LBJ07B 1873 2004 .64 .64 .74 .81 .80 .79 8 LBJ08A 1870 2004 .77 .81 .86 .83 .76 .75 9 LBJ09A 1840 2004 .49 .59 .69 .76 .71 .54 .47 10 LBJ10A 1756 2004 .23B .69 .71 .65 .81 .82 .89 .85 .80 .85 11 LBJ10B 1763 2004 .79 .79 .66 .63 .82 .87 .86 .79 .80 .81 12 LBJ10C 1689 2004 .35 .30A .63 .74 .80 .74 .71 .79 .83 .86 .83 .82 .85 13 LBJ11A 1896 2004 .77 .76 .82 .81 .81 14 LBJ12A 1833 2004 .60 .70 .74 .64 .59 .62 .61 15 LBJ13A 1888 2004 .79 .84 .87 .81 .82 16 LBJ15A 1820 2004 .41 .38 .45 .49 .61 .74 .72 .69 17 LBJ16A 1796 2004 .34 .36 .54 .73 .75 .69 .68 .79 .80 18 LBJ17A 1750 2004 .81 .82 .74 .61 .65 .59 .34 .32B .57 .57 19 LBJ17B 1778 2004 .69 .74 .52 .64 .82 .87 .67 .52 .54 20 LBJ17C 1684 2004 .28A .30A .70 .75 .77 .71 .46 .59 .77 .78 .77 .75 .78 21 LBJ19A 1741 2004 .34 .43 .51 .64 .70 .67 .59 .73 .68 .67 .71 22 LBJ20A 1910 2004 .80 .78 .76 .71 23 LBJ20B 1845 2004 .66 .74 .89 .67 .58 .55 .51 24 LBJ21A 1757 2000 .53 .54 .51 .46 .30B .46B .59 .66 .67 .66 25 LBJ22A 1748 2004 .41 .42 .43 .54 .41 .33 .51 .59 .52 .40 .39 26 LBJ22B 1703 2004 .34 .26A .17B .35 .36 .36 .34 .44 .34 .29A .37 .26A Av segment correlation .31 .31 .47 .54 .62 .57 .53 .64 .70 .72 .70 .66 .65 PART 7: DESCRIPTIVE STATISTICS: LBJ National Grassland 13:49 Thu 08 Dec 2016 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 LBJ01A 1823 2004 182 8 0 .550 .81 3.20 .470 .820 .247 2.59 .395 -.048 1 2 LBJ02A 1785 2004 220 9 0 .608 .53 1.89 .238 .576 .273 2.57 .391 -.039 1 3 LBJ03A 1870 2004 135 6 0 .763 1.24 5.00 .825 .819 .267 2.69 .468 -.039 1 4 LBJ04A 1874 2004 131 6 0 .774 1.30 3.44 .621 .646 .269 2.65 .458 -.040 1 5 LBJ06A 1822 2004 183 8 2 .508 1.03 2.68 .410 .749 .189 2.56 .353 -.018 1 6 LBJ07A 1900 2004 105 4 0 .829 .83 2.20 .386 .498 .336 2.68 .396 -.024 1 7 LBJ07B 1873 2004 132 6 0 .741 .79 4.32 .506 .374 .321 2.74 .472 .011 1 8 LBJ08A 1870 2004 135 6 0 .795 1.59 4.99 .642 .786 .212 2.53 .376 -.043 1 9 LBJ09A 1840 2004 165 7 0 .622 1.13 3.61 .534 .682 .256 2.73 .431 -.025 1 10 LBJ10A 1756 2004 249 10 1 .707 .85 2.19 .321 .574 .263 2.61 .336 -.050 1 11 LBJ10B 1763 2004 242 10 0 .780 .87 2.18 .322 .530 .280 2.57 .282 -.048 1 12 LBJ10C 1689 2004 316 13 1 .703 .84 2.06 .258 .403 .257 2.60 .282 -.036 1 13 LBJ11A 1896 2004 109 5 0 .785 1.24 3.20 .416 .373 .289 2.67 .443 .004 1 14 LBJ12A 1833 2004 172 7 0 .632 .93 2.16 .297 .425 .259 2.97 .499 -.026 1 15 LBJ13A 1888 2004 117 5 0 .794 1.01 2.96 .451 .644 .306 2.55 .377 -.066 1 16 LBJ15A 1820 2004 185 8 0 .599 .73 1.36 .250 .403 .286 2.70 .480 -.017 1 17 LBJ16A 1796 2004 209 9 0 .635 .97 1.95 .373 .671 .245 2.63 .446 -.016 1 18 LBJ17A 1750 2004 255 10 1 .597 .57 1.42 .193 .617 .228 2.65 .350 -.025 1 19 LBJ17B 1778 2004 227 9 0 .674 .48 .89 .139 .462 .224 2.74 .412 -.036 1 20 LBJ17C 1684 2004 321 13 2 .633 .63 1.71 .227 .524 .250 2.67 .312 -.013 1 21 LBJ19A 1741 2004 264 11 0 .618 .71 1.75 .281 .633 .253 2.68 .443 -.040 1 22 LBJ20A 1910 2004 95 4 0 .754 .59 .95 .181 .527 .240 2.55 .483 -.028 2 23 LBJ20B 1845 2004 160 7 0 .617 .73 1.58 .239 .636 .210 2.62 .466 -.010 1 24 LBJ21A 1757 2000 244 10 2 .540 .81 1.78 .223 .573 .194 2.68 .441 .019 1 25 LBJ22A 1748 2004 257 11 0 .463 .89 2.94 .391 .814 .181 2.70 .333 -.040 1 26 LBJ22B 1703 2004 302 12 4 .307 .78 1.80 .271 .630 .214 2.73 .394 .002 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5112 214 13 .632 .84 5.00 .337 .591 .247 2.97 .392 -.026