Slickrock, Colorado, USA - CO626 Additional information Connie A. Woodhouse Mark Losleben Kurt Chowanski 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 : CO626.CRN Measurement file name : CO626.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1490 Ending year : 2002 Principal investigators: Connie A. Woodhouse Mark Losleben Kurt Chowanski Site name : Slickrock Site location : Colorado Species information : PIED PINYON Latitude : 3801 Longitude : -10855 Elevation : 2000m Series intercorrelation: 0.857 Avg mean sensitivity : 0.506 Avg standard deviation : 0.168 Avg autocorrelation : 0.448 Number dated series : 32 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Slickrock 14:50 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 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 slk062 1614 2002 .85 .78 .81 .87 .88 .92 .92 .92 .91 .93 .96 .89 .80 .75 .86 2 slk121 1639 2002 .87 .87 .83 .89 .95 .89 .84 .84 .86 .85 .82 .78 .85 .94 3 slk151 1760 2002 .74 .80 .88 .92 .93 .86 .78 .84 .95 4 slk171 1727 2002 .91 .91 .90 .90 .91 .94 .81 .79 .80 .86 5 slk211 1649 2002 .90 .90 .77 .79 .89 .85 .86 .87 .88 .94 .76 .58 .70 .79 6 slk261 1578 2002 .57 .66 .77 .80 .73 .80 .89 .81 .80 .81 .87 .90 .83 .80 .84 .90 7 slk272 1676 2002 .87 .90 .87 .81 .84 .89 .91 .95 .89 .81 .82 .84 8 slk231 1495 1870 .80 .81 .86 .85 .91 .93 .88 .80 .61 .72 .86 .83 .84 .74 .72 9 slk251 1537 2002 .66 .69 .85 .88 .87 .88 .89 .90 .86 .80 .85 .84 .82 .88 .81 .74 .83 .91 10 slk071 1498 1871 .87 .88 .91 .90 .92 .91 .86 .85 .86 .89 .90 .83 .86 .88 .90 11 slk073 1498 1728 .87 .88 .86 .83 .87 .84 .78 .87 .90 .86 12 slk011 1639 2002 .81 .77 .64 .78 .87 .77 .82 .89 .86 .89 .90 .89 .85 .92 13 slk281 1490 2002 .79 .80 .83 .84 .88 .90 .91 .89 .84 .86 .86 .82 .84 .83 .81 .90 .83 .80 .66 .73 14 slk282 1550 2002 .87 .84 .80 .82 .87 .78 .80 .89 .87 .83 .77 .80 .88 .78 .83 .77 .74 15 slk241 1683 1870 .87 .91 .93 .91 .89 .88 .90 16 slk162 1605 2002 .87 .89 .89 .85 .85 .91 .90 .86 .84 .88 .91 .81 .78 .84 .83 17 slk222 1596 2002 .86 .87 .88 .90 .79 .83 .83 .76 .81 .86 .86 .87 .69 .67 .74 .82 18 slk021 1731 2002 .79 .77 .87 .88 .91 .89 .84 .88 .86 .91 19 slk022 1746 2002 .77 .73 .84 .87 .87 .80 .82 .92 .90 .87 20 slk061 1519 2002 .79 .74 .75 .82 .81 .82 .89 .87 .88 .91 .93 .93 .89 .91 .94 .86 .85 .85 .85 21 slk063 1514 1836 .65 .74 .80 .86 .83 .84 .91 .86 .87 .93 .90 .90 .90 22 slk081 1549 1750 .76 .75 .67 .74 .84 .80 .77 .78 .77 23 slk082 1529 1869 .78 .80 .85 .78 .81 .82 .81 .78 .78 .80 .87 .85 .83 24 slk252 1540 2002 .90 .87 .82 .77 .81 .80 .70 .78 .75 .65 .64 .63 .79 .90 .77 .78 .88 .87 25 slk041 1610 2002 .85 .90 .91 .87 .92 .90 .84 .80 .84 .90 .93 .87 .83 .79 .79 26 slk031 1715 2002 .91 .91 .90 .91 .92 .91 .91 .85 .84 .87 .92 27 slk032 1738 2002 .86 .82 .88 .87 .85 .86 .82 .67 .75 .90 28 slk072 1647 1868 .86 .87 .82 .82 .87 .87 .84 .85 .91 29 slk122 1713 2002 .92 .96 .85 .80 .80 .86 .92 .82 .83 .94 .93 30 slk161 1610 2002 .81 .83 .91 .84 .76 .77 .79 .81 .82 .88 .92 .80 .79 .79 .75 31 slk221 1646 2002 .90 .88 .89 .92 .87 .85 .86 .86 .90 .91 .86 .83 .82 .83 32 slk212 1606 1941 .87 .87 .89 .88 .89 .90 .79 .81 .90 .90 .85 .64 .60 Av segment correlation .83 .80 .80 .81 .82 .83 .85 .86 .82 .85 .87 .83 .84 .85 .87 .90 .82 .79 .81 .86 PART 5: CORRELATION OF SERIES BY SEGMENTS: Slickrock 14:50 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 1975 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 slk062 1614 2002 .87 2 slk121 1639 2002 .95 3 slk151 1760 2002 .95 4 slk171 1727 2002 .87 5 slk211 1649 2002 .78 6 slk261 1578 2002 .90 7 slk272 1676 2002 .85 9 slk251 1537 2002 .91 12 slk011 1639 2002 .93 13 slk281 1490 2002 .75 14 slk282 1550 2002 .74 16 slk162 1605 2002 .83 17 slk222 1596 2002 .83 18 slk021 1731 2002 .91 19 slk022 1746 2002 .87 20 slk061 1519 2002 .86 24 slk252 1540 2002 .87 25 slk041 1610 2002 .78 26 slk031 1715 2002 .92 27 slk032 1738 2002 .90 29 slk122 1713 2002 .93 30 slk161 1610 2002 .78 31 slk221 1646 2002 .85 Av segment correlation .86 PART 7: DESCRIPTIVE STATISTICS: Slickrock 14:50 Wed 21 Jun 2006 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 slk062 1614 2002 389 16 0 .885 .32 .84 .168 .618 .474 2.46 .339 -.033 1 2 slk121 1639 2002 364 15 0 .890 .39 1.13 .201 .423 .530 2.59 .391 -.034 1 3 slk151 1760 2002 243 10 0 .868 .58 1.95 .284 .640 .372 2.55 .414 -.018 1 4 slk171 1727 2002 276 11 0 .888 .35 .80 .152 .270 .481 2.54 .445 -.057 1 5 slk211 1649 2002 354 15 0 .844 .30 .83 .167 .488 .524 2.49 .318 -.037 1 6 slk261 1578 2002 425 17 0 .813 .38 1.25 .209 .769 .361 2.52 .370 -.041 1 7 slk272 1676 2002 327 13 0 .876 .39 1.25 .244 .696 .489 2.47 .334 -.028 1 8 slk231 1495 1870 376 15 0 .819 .29 .85 .126 .592 .340 2.58 .345 -.009 1 9 slk251 1537 2002 466 19 0 .846 .36 1.18 .168 .611 .358 2.56 .286 -.050 1 10 slk071 1498 1871 374 15 0 .882 .21 .52 .099 .141 .547 2.67 .486 -.042 1 11 slk073 1498 1728 231 10 0 .857 .23 .53 .113 .273 .543 2.79 .435 -.046 1 12 slk011 1639 2002 364 15 0 .845 .36 .80 .136 .352 .375 2.48 .350 -.017 1 13 slk281 1490 2002 513 21 0 .850 .28 1.25 .169 .446 .583 2.60 .343 -.022 1 14 slk282 1550 2002 453 18 0 .839 .23 .69 .138 .494 .622 2.57 .377 -.018 1 15 slk241 1683 1870 188 7 0 .898 .39 .83 .168 .458 .415 2.68 .439 -.004 1 16 slk162 1605 2002 398 16 0 .873 .27 .76 .129 .468 .457 2.56 .359 -.048 1 17 slk222 1596 2002 407 17 0 .828 .42 1.28 .200 .341 .499 2.53 .367 -.019 1 18 slk021 1731 2002 272 11 0 .874 .37 .88 .176 .217 .568 2.68 .407 -.017 1 19 slk022 1746 2002 257 11 0 .868 .33 .80 .180 .152 .681 2.57 .438 -.025 1 20 slk061 1519 2002 484 20 0 .874 .24 .66 .123 .349 .580 2.59 .377 -.038 4 21 slk063 1514 1836 323 13 0 .843 .23 .78 .125 .419 .546 2.52 .433 -.044 1 22 slk081 1549 1750 202 9 0 .790 .41 1.95 .259 .603 .508 2.61 .396 -.028 1 23 slk082 1529 1869 341 13 0 .845 .30 1.34 .195 .577 .530 2.57 .392 -.039 1 24 slk252 1540 2002 463 19 0 .815 .31 .94 .163 .634 .428 2.51 .343 -.046 2 25 slk041 1610 2002 393 16 0 .881 .26 .92 .160 .403 .682 2.56 .426 -.034 1 26 slk031 1715 2002 288 12 0 .893 .44 1.01 .203 .328 .551 2.52 .330 -.046 1 27 slk032 1738 2002 265 11 0 .847 .56 1.39 .276 .472 .500 2.67 .474 -.034 1 28 slk072 1647 1868 222 9 0 .876 .23 .85 .144 .510 .556 2.60 .452 -.042 1 29 slk122 1713 2002 290 12 0 .882 .36 1.09 .180 .235 .557 2.74 .419 -.066 1 30 slk161 1610 2002 393 16 0 .861 .25 1.00 .131 .399 .530 2.55 .320 -.041 1 31 slk221 1646 2002 357 15 0 .877 .37 .91 .173 .341 .490 2.74 .408 -.030 1 32 slk212 1606 1941 336 13 0 .856 .25 .75 .133 .371 .558 2.53 .372 .001 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 11034 450 0 .857 .33 1.95 .168 .448 .506 2.79 .380 -.033