Big Thompson Update, Colorado, USA - CO592 Additional information Connie A. Woodhouse Jeff Lukas 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 : CO592.CRN Measurement file name : CO592.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1550 Ending year : 2000 Principal investigators: Connie A. Woodhouse Jeff Lukas Site name : Big Thompson Update Site location : Colorado Species information : PSME DOUGLAS-FIR Latitude : 4025 Longitude : -10517 Elevation : 2012m Series intercorrelation: 0.873 Avg mean sensitivity : 0.562 Avg standard deviation : 0.432 Avg autocorrelation : 0.585 Number dated series : 22 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Big Thompson Update 14:05 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 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 rmd021 1892 1998 .87 .88 .87 .88 2 rmd022 1887 2000 .90 .92 .92 .93 .93 3 rmd031 1833 2000 .77 .78 .80 .86 .90 .92 .91 4 rmd032 1836 2000 .71 .69 .82 .86 .84 .86 .86 5 rmd041 1796 2000 .86 .87 .87 .90 .88 .88 .88 .84 .85 6 rmd042 1801 2000 .90 .89 .86 .85 .92 .88 .87 .86 7 rmd131 1691 1999 .75 .89 .83 .81 .90 .91 .92 .90 .85 .88 .92 .87 8 rmd132 1705 1994 .82 .75 .73 .85 .88 .89 .88 .85 .92 .90 .85 9 rmd141 1559 2000 .87 .89 .90 .84 .82 .88 .92 .86 .86 .93 .92 .91 .94 .92 .94 .96 .96 .97 10 rmd142 1577 2000 .92 .92 .87 .82 .85 .88 .85 .86 .86 .83 .89 .85 .85 .91 .88 .90 .91 11 rmd151 1564 2000 .89 .94 .93 .88 .79 .82 .86 .86 .91 .95 .91 .87 .91 .92 .95 .96 .94 .94 12 rmd152 1559 1974 .85 .93 .94 .89 .83 .87 .91 .85 .86 .90 .88 .92 .92 .88 .87 .87 13 rmd011 1564 2000 .93 .94 .94 .90 .88 .89 .84 .74 .80 .92 .93 .89 .84 .83 .88 .86 .89 .89 14 rmd012 1554 2000 .85 .90 .90 .88 .86 .82 .82 .85 .86 .91 .93 .94 .88 .78 .86 .94 .93 .93 15 rmd111 1550 2000 .80 .88 .87 .86 .80 .79 .83 .72 .75 .87 .91 .93 .88 .86 .92 .89 .89 .88 16 rmd112 1550 2000 .89 .92 .88 .78 .78 .87 .78 .70 .80 .85 .88 .93 .88 .87 .93 .94 .93 .92 17 rmd121 1702 2000 .92 .86 .87 .93 .94 .93 .89 .87 .91 .90 .90 .91 18 rmd122 1730 2000 .87 .89 .93 .94 .91 .90 .89 .89 .90 .94 .93 19 rmd212 1763 2000 .89 .92 .90 .84 .85 .83 .84 .86 .83 .84 20 rmd222 1827 2000 .63 .87 .89 .92 .88 .92 .92 21 rmd231 1809 2000 .76 .79 .71 .68 .78 .77 .77 .78 22 rmd232 1811 2000 .79 .76 .73 .69 .86 .90 .88 .89 Av segment correlation .87 .91 .91 .86 .82 .84 .86 .81 .84 .90 .89 .86 .85 .84 .89 .89 .89 .90 PART 7: DESCRIPTIVE STATISTICS: Big Thompson Update 14:05 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 rmd021 1892 1998 107 4 0 .877 1.09 2.87 .643 .283 .607 2.58 .508 -.021 2 2 rmd022 1887 2000 114 5 0 .913 1.02 2.95 .668 .437 .586 2.71 .548 -.055 1 3 rmd031 1833 2000 168 7 0 .851 1.07 4.49 .768 .685 .416 2.75 .383 -.051 2 4 rmd032 1836 2000 165 7 0 .818 .84 4.15 .721 .740 .444 2.68 .423 -.026 5 5 rmd041 1796 2000 205 9 0 .867 1.20 5.48 .961 .702 .507 2.58 .399 .014 1 6 rmd042 1801 2000 200 8 0 .886 1.13 4.76 .890 .671 .509 2.62 .413 -.001 1 7 rmd131 1691 1999 309 12 0 .874 .56 2.68 .481 .756 .512 2.65 .423 -.029 1 8 rmd132 1705 1994 290 11 0 .855 .64 2.93 .628 .756 .546 2.69 .405 -.029 1 9 rmd141 1559 2000 442 18 0 .910 .35 1.39 .234 .426 .597 2.79 .400 -.035 1 10 rmd142 1577 2000 424 17 0 .880 .33 1.95 .302 .565 .657 2.86 .410 -.040 2 11 rmd151 1564 2000 437 18 0 .901 .50 2.42 .409 .709 .484 2.59 .363 -.032 1 12 rmd152 1559 1974 416 16 0 .888 .24 1.24 .193 .577 .601 2.73 .393 -.036 1 13 rmd011 1564 2000 437 18 0 .889 .38 1.66 .284 .601 .586 2.81 .418 -.023 1 14 rmd012 1554 2000 447 18 0 .874 .43 2.88 .371 .676 .645 2.69 .394 -.053 1 15 rmd111 1550 2000 451 18 0 .870 .31 2.71 .261 .401 .692 2.75 .367 -.029 3 16 rmd112 1550 2000 451 18 0 .874 .36 1.58 .280 .474 .681 2.80 .418 .002 1 17 rmd121 1702 2000 299 12 0 .904 .54 1.94 .369 .675 .473 2.63 .413 -.028 1 18 rmd122 1730 2000 271 11 0 .907 .55 3.33 .488 .706 .505 2.70 .400 -.037 1 19 rmd212 1763 2000 238 10 0 .851 .78 1.93 .340 .329 .423 2.61 .484 -.028 5 20 rmd222 1827 2000 174 7 0 .829 .98 4.97 .852 .740 .618 2.54 .464 -.044 2 21 rmd231 1809 2000 192 8 0 .748 1.07 2.90 .505 .410 .431 2.59 .328 -.033 2 22 rmd232 1811 2000 190 8 0 .812 .89 2.18 .450 .493 .423 2.58 .370 -.013 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6427 260 0 .873 .58 5.48 .432 .585 .562 2.86 .406 -.029