Chokecherry Canyon, Colorado - co637 Additional Site Information C. Woodhouse, M. Losleben, C. Chowanski, J. Lukas Purpose of Collection: Hydroclimatic reconstructions Cores stored at: UA Lab of Tree-Ring Research Detrending: negative exponential or 2/3rds spline Reference: Woodhouse, C.A., G.T. Pederson, and S. T. Gray. In prep. An 1800-year record of decadal-scale hydroclimatic variability in the Upper Arkansas River basin from bristlecone pine. Quaternary Research COFECHA output: Chronology file name : CO637.CRN Measurement file name : CO637.RWL Date checked : 22APR10 Checked by : B. Bauer Beginning year : 1450 Ending year : 2003 Principal investigators: C. Woodhouse M. Losleben C. Chowanski J. Lukas Site name : Chokecherry Canyon Site location : Colorado Species information : PIED PINYON Latitude : +3733 Longitude : -10534 Elevation : 2575M Series intercorrelation: 0.849 Avg mean sensitivity : 0.644 Avg standard deviation : 0.174 Avg autocorrelation : 0.329 Number dated series : 41 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Chokecherry Canyon 17:34 Thu 22 Apr 2010 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 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ccc061 1800 2003 .90 .89 .86 .91 .92 .89 2 ccc063 1810 2002 .89 .89 .81 .87 .93 .90 3 ccc072 1800 2003 .91 .90 .86 .89 .82 .78 4 ccc231 1779 2003 .83 .86 .88 .85 .86 .78 .69 5 ccc232 1821 1943 .72 .73 .74 .83 .82 6 ccc121 1777 2003 .82 .82 .72 .72 .84 .83 .84 7 ccc011 1761 2003 .80 .80 .82 .85 .93 .97 .96 .91 8 ccc012 1785 1960 .78 .80 .83 .92 .95 .90 .87 9 ccc171 1750 1940 .71 .88 .85 .85 .90 .89 .91 10 ccc041 1748 1969 .72 .74 .80 .83 .89 .90 .90 .90 .87 11 ccc042 1780 1949 .64 .79 .86 .85 .89 .85 12 ccc111 1702 1990 .71 .70 .71 .81 .84 .88 .93 .94 .88 .87 13 ccc112 1709 1988 .63 .79 .80 .77 .82 .88 .91 .95 .93 .90 14 ccc261 1690 1940 .69 .71 .69 .83 .87 .90 .89 .91 .92 .90 15 ccc271 1652 2003 .78 .78 .76 .83 .86 .82 .85 .86 .90 .95 .93 .92 16 ccc262 1727 2003 .81 .87 .88 .87 .82 .83 .90 .93 .90 17 ccc031 1663 2003 .54 .56 .92 .92 .93 .88 .85 .87 .88 .90 .87 .84 18 ccc033 1747 2003 .95 .95 .93 .91 .89 .89 .93 .88 .83 19 ccc071 1800 2003 .79 .65 .35 .69 .87 .82 20 ccc143 1484 1702 .89 .91 .92 .95 .95 .90 .87 .91 .91 21 ccc053 1660 1887 .68 .82 .82 .79 .83 .89 .94 .89 .90 22 ccc062 1493 1577 .89 .88 .77 .77 23 ccc063 1493 1706 .88 .86 .64 .66 .93 .96 .91 .90 .85 24 ccc241 1578 1771 .89 .91 .93 .92 .85 .76 .70 25 ccc142 1521 1865 .82 .81 .90 .85 .85 .88 .87 .90 .91 .87 .91 .91 .91 .87 26 ccc221 1562 1710 .82 .80 .81 .91 .88 .78 27 ccc251 1450 1703 .86 .86 .80 .80 .79 .85 .88 .88 .91 .90 28 ccc242 1543 1792 .77 .85 .93 .94 .90 .86 .82 .81 .89 .93 29 ccc201 1700 1924 .87 .86 .88 .91 .94 .96 .97 .93 30 ccc202 1730 2003 .85 .94 .94 .94 .95 .92 .92 .94 .90 31 ccc181 1670 1960 .85 .84 .86 .92 .94 .94 .93 .92 .89 .84 .82 .81 32 ccc183 1629 2002 .83 .85 .88 .89 .89 .89 .90 .91 .88 .88 .90 .90 .92 33 ccc253 1450 1515 .88 .88 34 ccc212 1671 1851 .75 .74 .64 .62 .73 .81 .80 .80 35 ccc191 1544 1650 .77 .79 .86 .87 .87 36 ccc151 1590 1816 .83 .87 .89 .86 .86 .84 .83 .87 .86 37 ccc072 1477 1726 .83 .88 .92 .90 .87 .87 .89 .91 .83 .81 38 ccc073 1480 1726 .81 .78 .88 .93 .85 .84 .88 .86 .88 .86 39 ccc082 1600 1720 .95 .96 .94 .88 40 ccc082 1780 2003 .84 .89 .90 .91 .94 .93 .92 41 ccc272 1597 2003 .79 .81 .81 .84 .81 .79 .79 .83 .87 .91 .89 .88 .92 .90 .83 Av segment correlation .87 .86 .85 .81 .84 .87 .88 .89 .84 .82 .80 .81 .85 .85 .86 .86 .86 .90 .89 .86 PART 5: CORRELATION OF SERIES BY SEGMENTS: Chokecherry Canyon 17:34 Thu 22 Apr 2010 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 1950 1975 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ccc061 1800 2003 .84 .84 2 ccc063 1810 2002 .81 .81 3 ccc072 1800 2003 .78 .80 4 ccc231 1779 2003 .55 .66 6 ccc121 1777 2003 .73 .75 7 ccc011 1761 2003 .76 .74 12 ccc111 1702 1990 .88 13 ccc112 1709 1988 .81 15 ccc271 1652 2003 .87 .86 16 ccc262 1727 2003 .82 .85 17 ccc031 1663 2003 .80 .81 18 ccc033 1747 2003 .80 .83 19 ccc071 1800 2003 .73 .74 30 ccc202 1730 2003 .81 .81 32 ccc183 1629 2002 .85 .86 40 ccc082 1780 2003 .85 .86 41 ccc272 1597 2003 .80 .81 Av segment correlation .79 .80 PART 7: DESCRIPTIVE STATISTICS: Chokecherry Canyon 17:34 Thu 22 Apr 2010 Page 10 ----------------------------------------------------------------------------------------------------------------------------------- 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 ccc061 1800 2003 204 8 0 .873 .23 .70 .144 .124 .768 2.66 .531 -.007 1 2 ccc063 1810 2002 193 8 0 .864 .20 .60 .129 .213 .730 2.66 .500 -.019 1 3 ccc072 1800 2003 204 8 0 .833 .19 .57 .115 .103 .733 2.54 .456 .000 2 4 ccc231 1779 2003 225 9 0 .783 .52 1.79 .321 .567 .558 2.56 .355 -.065 1 5 ccc232 1821 1943 123 5 0 .783 .41 1.00 .231 .379 .580 2.61 .486 -.015 1 6 ccc121 1777 2003 227 9 0 .793 .38 .85 .198 .298 .588 2.56 .456 -.027 1 7 ccc011 1761 2003 243 10 0 .839 .45 1.14 .213 .291 .512 2.56 .394 -.004 1 8 ccc012 1785 1960 176 7 0 .875 .43 1.16 .215 .311 .546 2.61 .395 -.001 4 9 ccc171 1750 1940 191 7 0 .852 .27 .82 .128 .142 .542 2.51 .379 .003 1 10 ccc041 1748 1969 222 9 0 .839 .32 .96 .180 .402 .598 2.65 .373 -.013 1 11 ccc042 1780 1949 170 6 0 .817 .28 1.18 .165 .436 .566 2.95 .518 -.003 1 12 ccc111 1702 1990 289 11 0 .791 .43 1.24 .235 .579 .445 2.56 .365 -.048 1 13 ccc112 1709 1988 280 11 0 .814 .39 1.01 .189 .421 .479 2.62 .402 -.030 1 14 ccc261 1690 1940 251 10 0 .855 .40 1.06 .224 .268 .643 2.70 .429 -.023 6 15 ccc271 1652 2003 352 14 0 .821 .32 .80 .143 .265 .480 2.52 .340 -.023 1 16 ccc262 1727 2003 277 11 0 .845 .34 1.25 .181 .171 .636 2.73 .437 -.026 2 17 ccc031 1663 2003 341 14 0 .848 .22 .67 .132 .227 .722 2.51 .419 .009 1 18 ccc033 1747 2003 257 11 0 .872 .29 .69 .151 .216 .616 2.54 .436 -.008 1 19 ccc071 1800 2003 204 8 0 .758 .23 .71 .149 .266 .732 2.60 .436 -.011 1 20 ccc143 1484 1702 219 9 0 .908 .37 1.25 .234 .445 .619 2.71 .471 -.035 1 21 ccc053 1660 1887 228 9 0 .850 .25 .64 .146 .258 .677 2.65 .437 .033 1 22 ccc062 1493 1577 85 4 0 .805 .53 1.29 .288 .524 .524 2.36 .371 -.076 1 23 ccc063 1493 1706 214 9 0 .849 .31 1.20 .230 .569 .701 2.79 .580 -.030 1 24 ccc241 1578 1771 194 7 0 .866 .27 1.04 .205 .472 .822 2.56 .508 -.017 1 25 ccc142 1521 1865 345 14 0 .879 .33 1.04 .200 .363 .651 2.65 .424 -.040 2 26 ccc221 1562 1710 149 6 0 .841 .31 1.26 .196 .508 .642 2.52 .420 -.034 2 27 ccc251 1450 1703 254 10 0 .861 .22 .85 .147 .429 .698 2.69 .423 -.005 1 28 ccc242 1543 1792 250 10 0 .873 .25 .79 .157 .297 .715 2.82 .509 -.031 1 29 ccc201 1700 1924 225 8 0 .929 .26 .75 .151 .219 .743 2.63 .497 -.014 2 30 ccc202 1730 2003 274 11 0 .908 .22 .71 .133 .144 .783 2.66 .451 -.016 1 31 ccc181 1670 1960 291 12 0 .897 .29 .83 .157 .141 .682 2.52 .444 .003 1 32 ccc183 1629 2002 374 15 0 .876 .23 1.00 .150 .369 .689 2.69 .462 -.011 1 33 ccc253 1450 1515 66 2 0 .835 .24 .57 .125 .371 .500 2.61 .528 .055 1 34 ccc212 1671 1851 181 8 0 .729 .37 1.19 .217 .499 .553 2.46 .396 -.059 1 35 ccc191 1544 1650 107 5 0 .863 .40 1.29 .275 .487 .697 2.54 .510 -.037 1 36 ccc151 1590 1816 227 9 0 .826 .28 .92 .148 .575 .463 2.46 .306 -.029 1 37 ccc072 1477 1726 250 10 0 .859 .19 .74 .129 .366 .747 2.64 .424 -.026 1 38 ccc073 1480 1726 247 10 0 .859 .24 .89 .164 .409 .728 2.66 .386 -.037 1 39 ccc082 1600 1720 121 4 0 .934 .20 .65 .143 .257 .912 2.83 .651 -.073 1 40 ccc082 1780 2003 224 9 0 .893 .24 .73 .155 .190 .758 2.62 .490 .038 1 41 ccc272 1597 2003 407 17 0 .844 .23 .62 .126 .297 .641 2.66 .441 .010 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 9361 374 0 .849 .30 1.79 .174 .329 .644 2.95 .438 -.017