Buffalo Park Boundary, Arkansas - AR057 Additional Site Information D.W. Stahle M.D. Therrell Purpose of Collection: Climatology Measurement type: Total ring width 1st Detrending method: Negative exponential; if cannot be fitted, then fit a regression line of any slope. 2nd Detrending method: If exp. is fitted, then a cubic spline with half power cutoff equal to series length is fitted; if the exp. cannot be fitted and a regression line is, then a spline with half power cutoff equal to 67% of the series length is fitted; In no case is a spline with half power cutoff less than 100 years fitted. Location of core material: Stored in U. of Arkansas Tree-Ring Lab; Part of the U. of Arkansas Museum collections, Accession No. 95-58. COFECHA output: Chronology file name : AR057.CRN Measurement file name : AR057.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1620 Ending year : 1993 Principal investigators: D.W. Stahle M.D. Therrell Site name : Buffalo Park Boundary Site location : Arkansas Species information : QUST POST OAK Latitude : 3604 Longitude : -09311 Elevation : 335M Series intercorrelation: 0.586 Avg mean sensitivity : 0.210 Avg standard deviation : 0.221 Avg autocorrelation : 0.669 Number dated series : 67 Segment length tested : 50 Number problem segments: 32 Pct problem segments : 5.29 PART 5: CORRELATION OF SERIES BY SEGMENTS: ar057.rwl 14:06 Thu 10 Mar 2005 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 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BPB01A 1627 1890 .50 .41 .51 .69 .57 .35 .36 .46 .44 .32A 2 BPB01B 1629 1770 .42 .46 .45 .47 .55 3 BPB01C 1639 1770 .35 .44 .59 .50 .29A 4 BPB02A 1660 1749 .61 .61 .17B 5 BPB02B 1780 1993 .45 .49 .58 .66 .42 .36 .43 .47 6 BPB02C 1780 1993 .26B .42 .65 .73 .62 .42 .30B .60 7 BPB04A 1732 1993 .21B .23A .27A .35 .65 .65 .64 .68 .75 .74 8 BPB04B 1850 1993 .73 .65 .57 .30B .38 9 BPB04C 1742 1993 .47 .49 .25A .27B .67 .76 .72 .57 .49 .57 10 BPB05A 1620 1993 .45 .49 .65 .70 .62 .56 .46 .52 .35 .23B .67 .75 .58 .61 11 BPB05B 1647 1993 .52 .56 .68 .64 .60 .55 .37 .33 .28A .33 .64 .56 .50 .57 12 BPB05C 1626 1950 .64 .73 .76 .81 .75 .49 .23B .31A .53 .51 .50 .43 .42 13 BPB06A 1735 1993 .63 .64 .70 .68 .75 .80 .69 .67 .58 .51 14 BPB06B 1743 1993 .51 .56 .68 .74 .80 .72 .53 .58 .36 .45 15 BPB08A 1650 1993 .39 .44 .41 .34 .50 .43 .54 .63 .51 .37B .42 .66 .77 16 BPB08B 1657 1993 .41 .67 .57 .32A .41 .33B .33 .53 .53 .44 .41 .55 .54 17 BPB09A 1781 1993 .59 .59 .59 .52 .37 .31A .35 .45 18 BPB10A 1824 1993 .46 .46 .46 .49 .39B .25B .61 19 BPB11B 1784 1993 .56 .55 .42 .38 .51 .51 .64 .66 20 BPB12A 1797 1950 .69 .69 .69 .70 .76 .67 .67 21 BPB13B 1681 1993 .39 .47 .19B .27B .70 .70 .69 .70 .77 .52 .43 .71 22 BPB14A 1769 1993 .68 .70 .75 .70 .54 .67 .65 .58 .76 23 BPB14B 1771 1993 .70 .69 .63 .63 .57 .56 .70 .69 .57 24 BPB15A 1716 1993 .06B .50 .44 .59 .57 .57 .51 .47 .64 .64 .66 25 BPB15B 1707 1993 .77 .66 .41 .48 .71 .71 .64 .74 .68 .23B .28B 26 BPB15C 1697 1993 .70 .77 .68 .52 .52 .65 .62 .46 .22B .31A .51 .55 27 BPB16A 1700 1993 .55 .54 .67 .78 .78 .65 .65 .72 .59 .54 .65 28 BPB16B 1692 1993 .53 .54 .61 .66 .63 .64 .51 .36 .53 .57 .54 .47 29 BPB16C 1727 1993 .53 .61 .71 .74 .50 .30B .50B .70 .61 .63 30 BPB17A 1760 1993 .46 .54 .71 .63 .59 .68 .67 .54 .51 31 BPB18A 1773 1993 .67 .67 .60 .64 .67 .66 .55 .48 .53 32 BPB18B 1826 1993 .76 .70 .50 .56 .51 .36 33 BPB19A 1756 1993 .44 .62 .65 .61 .43 .39 .68 .42 .40 34 BPB19B 1753 1993 .65 .69 .58 .71 .57 .31A .35 .33 .42 35 BPB20A 1790 1993 .62 .63 .75 .67 .50 .66 .59 .52 36 BPB20B 1764 1993 .44 .45 .67 .78 .76 .66 .58 .55 .69 37 BPB21A 1840 1993 .80 .81 .85 .83 .79 .73 38 BPB22A 1668 1993 .68 .67 .52 .51 .60 .56 .62 .75 .69 .56 .36 .28A .43 39 BPB22B 1657 1925 .59 .65 .63 .59 .70 .73 .74 .66 .58 .48 .49 40 BPB24A 1846 1993 .81 .81 .75 .76 .82 .76 41 BPB24B 1849 1993 .84 .84 .86 .85 .74 .56 42 BPB25A 1809 1993 .61 .78 .79 .80 .84 .80 .62 43 BPB25B 1768 1993 .57 .55 .61 .79 .79 .72 .75 .82 .83 44 BPB26A 1756 1993 .52 .55 .76 .82 .77 .60 .56 .61 .72 45 BPB26B 1748 1993 .40 .46 .62 .71 .83 .87 .87 .79 .57 .64 46 BPB27A 1768 1993 .79 .78 .70 .64 .66 .66 .65 .68 .71 47 BPB27B 1744 1993 .59 .58 .61 .64 .62 .44 .52 .58 .56 .59 48 BPB28A 1639 1993 .48 .64 .69 .68 .67 .52 .45 .61 .62 .60 .66 .64 .57 .64 49 BPB28B 1659 1984 .55 .69 .71 .69 .52 .60 .71 .65 .59 .67 .70 .54 .60 50 BPB29A 1791 1993 .56 .63 .59 .61 .75 .69 .58 .69 51 BPB29B 1791 1872 .47 .58 .67 52 BPB30A 1656 1993 .54 .77 .72 .58 .52 .57 .68 .80 .80 .71 .63 .57 .63 53 BPB30B 1663 1993 .57 .58 .51 .62 .65 .63 .69 .78 .77 .69 .61 .61 .64 54 BPB31A 1753 1993 .58 .54 .38 .59 .83 .87 .85 .66 .66 55 BPB31B 1812 1993 .45 .60 .73 .82 .79 .57 .62 56 BPB32A 1792 1993 .64 .61 .66 .67 .58 .65 .71 .58 57 BPB32B 1789 1993 .63 .70 .77 .72 .69 .76 .78 .71 58 BPB33A 1791 1993 .45 .55 .62 .66 .71 .71 .65 .75 59 BPB34A 1796 1993 .72 .67 .74 .74 .66 .60 .59 .65 60 BPB34B 1803 1993 .67 .74 .73 .72 .71 .68 .74 61 BPB35A 1746 1993 .37 .41 .69 .55 .49 .47 .69 .78 .44 .50 62 BPB35B 1808 1993 .49 .59 .62 .64 .69 .63 .67 63 BPB36A 1844 1993 .55 .56 .70 .76 .76 .73 64 BPB37A 1762 1993 .47 .46 .63 .65 .58 .73 .81 .78 .80 65 BPB37B 1770 1993 .49 .50 .58 .51 .42 .55 .63 .52 .67 66 BPB38A 1678 1870 .64 .68 .63 .47 .45 .65 .52 67 BPB38B 1674 1799 .69 .69 .72 .67 .61 Av segment correlation .48 .55 .62 .58 .53 .53 .55 .60 .65 .62 .62 .62 .57 .61 PART 7: DESCRIPTIVE STATISTICS: ar057.rwl 14:06 Thu 10 Mar 2005 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 BPB01A 1627 1890 264 10 1 .456 .56 1.42 .198 .690 .201 2.69 .377 .006 3 2 BPB01B 1629 1770 142 5 0 .462 .68 1.77 .253 .748 .184 2.73 .522 -.002 1 3 BPB01C 1639 1770 132 5 1 .395 .55 .95 .148 .646 .174 2.68 .444 -.027 1 4 BPB02A 1660 1749 90 3 1 .331 .52 1.31 .224 .729 .222 2.66 .368 -.029 1 5 BPB02B 1780 1993 214 8 0 .459 .57 .99 .156 .687 .177 2.74 .417 -.065 1 6 BPB02C 1780 1993 214 8 2 .482 .49 1.20 .137 .694 .167 2.75 .475 -.032 1 7 BPB04A 1732 1993 262 10 3 .517 .63 1.65 .332 .869 .210 2.79 .405 -.047 1 8 BPB04B 1850 1993 144 5 1 .544 .77 1.59 .279 .771 .202 2.62 .454 -.057 2 9 BPB04C 1742 1993 252 10 2 .526 .66 1.69 .332 .846 .225 2.76 .422 .007 1 10 BPB05A 1620 1993 374 14 1 .531 .57 2.53 .222 .749 .165 2.78 .386 -.021 1 11 BPB05B 1647 1993 347 14 1 .501 .54 .89 .111 .561 .151 2.86 .485 .007 1 12 BPB05C 1626 1950 325 13 2 .540 .56 1.36 .151 .596 .179 2.50 .244 -.011 1 13 BPB06A 1735 1993 259 10 0 .653 .85 1.99 .284 .784 .156 2.65 .336 .017 1 14 BPB06B 1743 1993 251 10 0 .610 .72 1.45 .225 .736 .176 2.66 .458 .007 1 15 BPB08A 1650 1993 344 13 1 .503 .45 1.09 .142 .726 .194 2.80 .455 -.043 1 16 BPB08B 1657 1993 337 13 2 .450 .49 1.25 .169 .648 .214 2.80 .332 -.031 1 17 BPB09A 1781 1993 213 8 1 .467 .49 .96 .135 .694 .173 2.69 .405 -.011 2 18 BPB10A 1824 1993 170 7 2 .481 .41 .97 .145 .657 .241 2.85 .506 -.072 1 19 BPB11B 1784 1993 210 8 0 .533 .77 2.74 .358 .776 .206 2.89 .402 .026 1 20 BPB12A 1797 1950 154 7 0 .674 .68 2.18 .323 .713 .247 2.61 .339 -.013 1 21 BPB13B 1681 1993 313 12 2 .548 .55 1.83 .282 .815 .246 2.59 .350 -.003 1 22 BPB14A 1769 1993 225 9 0 .668 .65 1.80 .270 .780 .227 2.64 .372 .022 1 23 BPB14B 1771 1993 223 9 0 .618 .61 2.16 .298 .797 .222 2.66 .453 -.059 1 24 BPB15A 1716 1993 278 11 1 .501 .61 1.10 .163 .540 .197 2.63 .432 .012 4 25 BPB15B 1707 1993 287 11 2 .565 .66 2.19 .282 .770 .205 2.58 .297 -.004 1 26 BPB15C 1697 1993 297 12 2 .518 .58 1.10 .159 .618 .188 2.52 .362 -.016 1 27 BPB16A 1700 1993 294 11 0 .639 .60 1.19 .192 .692 .192 2.60 .294 -.010 1 28 BPB16B 1692 1993 302 12 0 .533 .51 1.04 .146 .572 .215 2.75 .458 -.008 1 29 BPB16C 1727 1993 267 10 2 .571 .58 1.09 .171 .592 .212 2.69 .336 -.025 1 30 BPB17A 1760 1993 234 9 0 .582 .50 .90 .156 .667 .197 2.66 .324 -.043 2 31 BPB18A 1773 1993 221 9 0 .610 .52 .94 .137 .586 .186 2.85 .481 -.020 4 32 BPB18B 1826 1993 168 6 0 .547 .49 .90 .128 .657 .164 2.71 .326 -.019 2 33 BPB19A 1756 1993 238 9 0 .502 .63 1.42 .243 .707 .210 2.76 .428 -.056 1 34 BPB19B 1753 1993 241 9 1 .480 .52 1.52 .157 .619 .184 2.51 .287 -.048 1 35 BPB20A 1790 1993 204 8 0 .612 .67 1.36 .221 .633 .221 2.70 .419 -.053 1 36 BPB20B 1764 1993 230 9 0 .628 .64 1.53 .163 .461 .195 2.67 .396 .005 1 37 BPB21A 1840 1993 154 6 0 .787 .88 1.51 .239 .769 .150 2.61 .471 -.030 1 38 BPB22A 1668 1993 326 13 1 .551 .52 1.26 .200 .727 .231 2.66 .341 -.025 1 39 BPB22B 1657 1925 269 11 0 .616 .54 1.63 .204 .575 .259 2.73 .408 -.037 1 40 BPB24A 1846 1993 148 6 0 .773 .96 2.04 .305 .558 .232 2.66 .521 -.041 1 41 BPB24B 1849 1993 145 6 0 .733 1.05 1.87 .276 .461 .214 2.57 .393 .009 2 42 BPB25A 1809 1993 185 7 0 .714 .97 1.61 .270 .578 .195 2.85 .428 .030 1 43 BPB25B 1768 1993 226 9 0 .736 .86 1.79 .261 .501 .243 2.67 .404 -.008 1 44 BPB26A 1756 1993 238 9 0 .671 .64 1.49 .231 .607 .246 2.69 .366 .002 1 45 BPB26B 1748 1993 246 10 0 .705 .74 2.21 .342 .713 .277 2.70 .428 -.022 1 46 BPB27A 1768 1993 226 9 0 .685 .66 1.49 .213 .677 .210 2.60 .331 -.002 1 47 BPB27B 1744 1993 250 10 0 .568 .56 2.04 .203 .595 .229 2.54 .395 -.023 2 48 BPB28A 1639 1993 355 14 0 .594 .49 1.36 .203 .684 .244 2.79 .421 -.036 1 PART 7: DESCRIPTIVE STATISTICS: ar057.rwl 14:06 Thu 10 Mar 2005 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 BPB28B 1659 1984 326 13 0 .622 .56 1.72 .238 .750 .244 2.75 .446 -.012 3 50 BPB29A 1791 1993 203 8 0 .638 .74 1.75 .271 .597 .254 2.53 .316 -.001 3 51 BPB29B 1791 1872 82 3 0 .643 .89 1.76 .331 .400 .287 2.64 .495 -.004 1 52 BPB30A 1656 1993 338 13 0 .655 .58 1.20 .196 .640 .228 2.63 .381 -.012 1 53 BPB30B 1663 1993 331 13 0 .667 .57 1.98 .227 .648 .235 2.69 .381 -.003 1 54 BPB31A 1753 1993 241 9 0 .665 .63 1.72 .286 .770 .251 2.64 .457 .011 1 55 BPB31B 1812 1993 182 7 0 .638 .76 1.81 .380 .827 .220 2.61 .346 -.001 1 56 BPB32A 1792 1993 202 8 0 .620 .68 1.18 .181 .701 .162 2.71 .402 .005 1 57 BPB32B 1789 1993 205 8 0 .713 .78 1.73 .236 .640 .193 2.50 .432 -.031 1 58 BPB33A 1791 1993 203 8 0 .658 .65 1.83 .251 .689 .215 2.67 .416 -.024 1 59 BPB34A 1796 1993 198 8 0 .665 .87 1.59 .224 .551 .196 2.63 .439 .001 1 60 BPB34B 1803 1993 191 7 0 .708 .81 1.53 .212 .380 .236 2.56 .436 -.024 1 61 BPB35A 1746 1993 248 10 0 .561 .56 1.75 .322 .791 .246 3.07 .427 .041 1 62 BPB35B 1808 1993 186 7 0 .609 .60 1.48 .211 .699 .216 2.56 .372 -.006 1 63 BPB36A 1844 1993 150 6 0 .686 .59 1.18 .195 .584 .221 2.81 .378 .011 2 64 BPB37A 1762 1993 232 9 0 .672 .66 1.83 .326 .777 .215 2.89 .446 -.032 1 65 BPB37B 1770 1993 224 9 0 .545 .59 1.98 .251 .692 .220 2.81 .378 .011 1 66 BPB38A 1678 1870 193 7 0 .568 .56 1.15 .169 .564 .215 2.54 .312 -.035 1 67 BPB38B 1674 1799 126 5 0 .652 .53 1.04 .147 .446 .214 2.60 .374 -.022 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 15549 605 32 .586 .62 2.74 .221 .669 .210 3.07 .396 -.015