Jamestown, Colorado, USA - CO607 Additional information Connie A. Woodhouse Jeff Lukas Margot Kaye Purpose of Collection: Climatology Detrend method: Negative exponential or linear regression of any slope, or 2/3-length spline. Detrending was done interactively, and if a negative exponential or lenear regression fit poorly, a 2/3-length spline was used. Cores are stored at: Institute of Arctic and Alpine Research, University of Colorado Reference: Woodhouse, Connie A.; Gray, Stephen T.; Meko, David M. 2006. Updated streamflow reconstructions for the Upper Colorado River Basin. Water Resources Research 42(5), W05415. COFECHA output: Chronology file name : CO607.CRN Measurement file name : CO607.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1354 Ending year : 2000 Principal investigators: Connie A. Woodhouse Jeff Lukas Margot Kaye Site name : Jamestown Site location : Colorado Species information : PIPO PONDEROSA PINE Latitude : 4008 Longitude : -10525 Elevation : 2469m Series intercorrelation: 0.785 Avg mean sensitivity : 0.381 Avg standard deviation : 0.228 Avg autocorrelation : 0.657 Number dated series : 26 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Jamestown 14:28 Wed 21 Jun 2006 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 jam111 1522 2000 .47 .54 .61 .76 .75 .71 .72 .75 .67 .65 .84 .82 .80 .89 .87 .78 .82 .90 2 jam171 1461 2000 .86 .92 .90 .81 .81 .84 .81 .80 .88 .86 .87 .83 .76 .84 .89 .88 .87 .77 .80 .92 3 jam172 1354 2000 .85 .81 .86 .88 .85 .80 .77 .88 .91 .91 .91 .82 .75 .79 .88 .83 .79 .70 .67 .82 4 jam011 1716 2000 .89 .90 .85 .82 .80 .82 .80 .66 .67 .86 5 jam021 1602 2000 .82 .74 .56 .76 .85 .81 .80 .77 .72 .71 .74 .63 .73 .82 6 jam031 1795 2000 .83 .83 .79 .81 .86 .88 .92 7 jam042 1724 2000 .81 .81 .70 .76 .87 .71 .65 .82 .90 .91 8 jam141 1548 1652 .82 .81 .87 .78 .78 9 jam141 1670 2000 .78 .80 .82 .72 .82 .84 .71 .81 .86 .75 .79 .85 10 jam151 1509 1949 .75 .67 .71 .78 .78 .77 .79 .84 .87 .83 .84 .88 .88 .88 .88 .81 .71 11 jam231 1723 2000 .78 .81 .87 .89 .88 .88 .86 .79 .80 .89 12 jam131 1727 2000 .78 .69 .65 .77 .82 .74 .66 .71 .80 13 jam222 1768 2000 .65 .71 .67 .69 .70 .64 .59 .56 14 jam311 1730 2000 .73 .66 .68 .84 .91 .84 .70 .62 .74 15 jam082 1688 2000 .72 .72 .77 .84 .83 .80 .79 .80 .79 .68 .68 16 jam012 1680 2000 .82 .85 .83 .86 .80 .80 .87 .82 .72 .77 .89 17 jam022 1624 2000 .77 .77 .70 .83 .87 .80 .79 .78 .72 .68 .72 .69 .81 .92 18 jam032 1800 2000 .71 .74 .75 .74 .83 .93 19 jam041 1734 2000 .80 .77 .79 .86 .77 .75 .82 .81 .90 20 jam112 1588 1852 .85 .82 .87 .82 .74 .81 .76 .82 .84 .83 .84 21 jam132 1729 2000 .72 .69 .61 .70 .75 .77 .75 .70 .83 22 jam142 1572 1652 .89 .89 .84 .66 23 jam142 1670 2000 .51 .58 .64 .68 .82 .83 .72 .62 .77 .81 .77 .85 24 jam152 1617 1949 .84 .83 .81 .82 .82 .79 .83 .84 .80 .84 .83 .75 .79 25 jam221 1784 2000 .71 .68 .67 .68 .69 .52 .60 26 jam233 1732 2000 .84 .87 .83 .81 .89 .87 .83 .78 .81 Av segment correlation .86 .86 .74 .74 .78 .82 .80 .78 .75 .78 .81 .78 .79 .79 .79 .80 .79 .75 .75 .83 PART 5: CORRELATION OF SERIES BY SEGMENTS: Jamestown 14:28 Wed 21 Jun 2006 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 jam111 1522 2000 .82 .82 2 jam171 1461 2000 .91 .92 3 jam172 1354 2000 .79 .79 4 jam011 1716 2000 .83 .81 5 jam021 1602 2000 .73 .75 6 jam031 1795 2000 .84 .85 7 jam042 1724 2000 .90 .90 9 jam141 1670 2000 .80 .81 11 jam231 1723 2000 .76 .77 12 jam131 1727 2000 .80 .87 13 jam222 1768 2000 .73 .75 14 jam311 1730 2000 .72 .74 15 jam082 1688 2000 .75 .76 16 jam012 1680 2000 .84 .79 17 jam022 1624 2000 .81 .82 18 jam032 1800 2000 .85 .85 19 jam041 1734 2000 .88 .88 21 jam132 1729 2000 .85 .85 23 jam142 1670 2000 .80 .79 25 jam221 1784 2000 .74 .73 26 jam233 1732 2000 .79 .81 Av segment correlation .81 .81 PART 7: DESCRIPTIVE STATISTICS: Jamestown 14:28 Wed 21 Jun 2006 Page 11 ----------------------------------------------------------------------------------------------------------------------------------- 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 jam111 1522 2000 479 20 0 .724 .41 1.49 .228 .807 .276 2.51 .332 .004 1 2 jam171 1461 2000 540 22 0 .846 .34 1.06 .141 .624 .288 2.52 .274 -.019 1 3 jam172 1354 2000 647 22 0 .832 .31 .86 .140 .644 .333 2.50 .299 -.018 1 4 jam011 1716 2000 285 12 0 .793 .64 1.73 .352 .614 .384 2.57 .353 -.036 1 5 jam021 1602 2000 399 16 0 .751 .42 1.92 .345 .790 .457 2.53 .337 -.017 2 6 jam031 1795 2000 206 9 0 .825 .54 1.48 .285 .721 .338 2.47 .349 -.008 1 7 jam042 1724 2000 277 12 0 .813 .51 1.99 .286 .682 .348 2.52 .308 -.014 1 8 jam141 1548 1652 105 5 0 .839 .26 .58 .120 .302 .525 2.40 .381 -.060 1 9 jam141 1670 2000 331 14 0 .794 .29 1.01 .178 .774 .373 2.41 .300 -.018 1 10 jam151 1509 1949 441 17 0 .807 .24 .71 .123 .548 .458 2.34 .229 -.025 2 11 jam231 1723 2000 278 12 0 .796 .27 .71 .127 .547 .432 2.51 .363 -.032 1 12 jam131 1727 2000 274 11 0 .747 .37 1.88 .255 .799 .373 2.53 .297 -.014 1 13 jam222 1768 2000 233 10 0 .685 .78 2.18 .479 .729 .436 2.46 .336 -.018 1 14 jam311 1730 2000 271 11 0 .744 .34 .66 .117 .513 .297 2.52 .412 -.028 1 15 jam082 1688 2000 313 13 0 .764 .35 1.04 .187 .403 .479 2.61 .369 -.001 4 16 jam012 1680 2000 321 13 0 .802 .48 2.37 .380 .783 .391 2.55 .317 -.049 1 17 jam022 1624 2000 377 16 0 .780 .45 2.44 .363 .797 .446 2.52 .353 -.022 2 18 jam032 1800 2000 201 8 0 .775 .52 1.49 .302 .741 .369 2.60 .393 .000 1 19 jam041 1734 2000 267 11 0 .820 .41 1.66 .214 .551 .360 2.49 .312 -.035 1 20 jam112 1588 1852 265 11 0 .815 .47 1.58 .311 .887 .255 2.47 .343 -.035 1 21 jam132 1729 2000 272 11 0 .744 .36 1.55 .188 .633 .347 2.64 .379 .024 1 22 jam142 1572 1652 81 4 0 .772 .29 .94 .167 .382 .559 2.45 .459 -.043 1 23 jam142 1670 2000 331 14 0 .729 .30 1.14 .185 .756 .361 2.47 .309 -.019 1 24 jam152 1617 1949 333 13 0 .838 .19 .45 .097 .513 .488 2.52 .341 -.027 2 25 jam221 1784 2000 217 9 0 .678 .74 2.13 .434 .685 .419 2.48 .381 -.005 1 26 jam233 1732 2000 269 11 0 .826 .31 .72 .127 .398 .408 2.54 .388 -.007 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8013 327 0 .785 .40 2.44 .228 .657 .381 2.64 .331 -.019