Eagle Rock, Colorado, USA - CO601 Additional information Connie A. Woodhouse Mark Losleben 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 : CO601.CRN Measurement file name : CO601.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1401 Ending year : 1998 Principal investigators: Connie A. Woodhouse Mark Losleben Site name : Eagle Rock Site location : Colorado Species information : PIPO PONDEROSA PINE Latitude : 3923 Longitude : -10510 Elevation : 2103m Series intercorrelation: 0.793 Avg mean sensitivity : 0.430 Avg standard deviation : 0.389 Avg autocorrelation : 0.637 Number dated series : 38 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Eagle Rock 14:22 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 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 eag222 1721 1998 .70 .74 .83 .89 .87 .80 .89 .90 2 eag022 1701 1998 .85 .81 .84 .83 .74 .66 .86 .88 3 eag162 1682 1998 .78 .72 .74 .85 .83 .87 .80 .83 .83 4 eag251 1601 1998 .61 .83 .85 .78 .80 .76 .76 .86 .78 .72 .84 .79 5 eag033 1750 1998 .80 .85 .83 .78 .83 .76 6 eag051 1731 1975 .78 .80 .80 .77 .70 .73 .73 7 eag092 1870 1998 .75 .78 8 eag261 1670 1998 .67 .66 .79 .92 .74 .81 .87 .84 .93 .91 9 eag031 1700 1998 .87 .77 .62 .75 .84 .86 .88 .79 10 eag091 1820 1998 .63 .62 .64 .60 11 eag041 1769 1998 .73 .70 .71 .74 .80 .74 12 eag131 1531 1998 .57 .61 .68 .80 .69 .75 .87 .81 .79 .74 .82 .86 .79 .78 .75 13 eag211 1773 1998 .82 .82 .82 .72 .87 .89 14 eag032 1689 1998 .69 .65 .64 .72 .84 .87 .83 .87 .84 15 eag272 1849 1998 .83 .87 .85 16 eag132 1607 1998 .52 .69 .83 .88 .81 .71 .67 .82 .85 .76 .87 .65 17 eag201 1818 1998 .79 .79 .86 .87 18 eag232 1597 1997 .65 .75 .78 .88 .78 .69 .74 .72 .87 .90 .85 .85 .70 19 eag021 1696 1997 .82 .82 .79 .85 .87 .87 .80 .84 .83 20 eag081 1832 1997 .77 .63 .55 21 eag252 1608 1997 .72 .79 .89 .59 .53 .68 .74 .86 .84 .76 .78 .84 22 eag221 1696 1997 .74 .75 .72 .74 .71 .74 .84 .78 .74 23 eag161 1684 1997 .74 .78 .86 .89 .89 .88 .88 .94 .86 24 eag111 1877 1997 .78 25 eag212 1722 1997 .81 .83 .82 .79 .76 .76 .90 .87 26 eag071 1565 1796 .65 .67 .69 .72 .84 .78 .71 .82 .86 27 eag011 1811 1997 .73 .80 .84 .82 28 eag082 1820 1997 .69 .68 .79 .77 29 eag052 1731 1997 .76 .79 .71 .53 .62 .72 .84 30 eag141 1654 1998 .81 .81 .79 .73 .74 .81 .81 .80 .88 .86 31 eag152 1411 1630 .61 .61 .65 .79 .85 .68 .74 .82 .82 32 eag142 1651 1997 .82 .77 .78 .72 .69 .70 .72 .78 .84 .81 33 eag231 1611 1997 .68 .71 .85 .70 .68 .80 .68 .85 .92 .79 .76 .74 34 eag181 1600 1692 .61 .76 .84 35 eag241 1401 1674 .61 .61 .65 .79 .81 .72 .77 .73 .67 .62 36 eag101 1698 1869 .66 .64 .65 .82 .76 .72 .77 37 eag102 1661 1897 .82 .78 .61 .71 .80 .70 .63 .72 .78 38 eag271 1867 1997 .75 .74 Av segment correlation .61 .61 .65 .79 .83 .66 .69 .71 .69 .73 .82 .75 .74 .76 .77 .81 .79 .77 .82 .79 PART 5: CORRELATION OF SERIES BY SEGMENTS: Eagle Rock 14:22 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 1900 1925 1950 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 eag222 1721 1998 .75 .73 .72 2 eag022 1701 1998 .87 .90 .85 3 eag162 1682 1998 .79 .82 .83 4 eag251 1601 1998 .71 .78 .78 5 eag033 1750 1998 .76 .87 .85 6 eag051 1731 1975 .72 .71 .67 7 eag092 1870 1998 .78 .81 .77 8 eag261 1670 1998 .84 .90 .83 9 eag031 1700 1998 .75 .88 .82 10 eag091 1820 1998 .63 .73 .79 11 eag041 1769 1998 .75 .84 .79 12 eag131 1531 1998 .80 .88 .70 13 eag211 1773 1998 .86 .88 .85 14 eag032 1689 1998 .83 .86 .77 15 eag272 1849 1998 .79 .70 .66 16 eag132 1607 1998 .64 .79 .75 17 eag201 1818 1998 .82 .86 .85 18 eag232 1597 1997 .70 .85 .84 19 eag021 1696 1997 .71 .82 .89 20 eag081 1832 1997 .68 .82 .83 21 eag252 1608 1997 .87 .86 .79 22 eag221 1696 1997 .74 .75 .79 23 eag161 1684 1997 .78 .82 .83 24 eag111 1877 1997 .73 .73 .55 25 eag212 1722 1997 .80 .80 .78 27 eag011 1811 1997 .77 .82 .85 28 eag082 1820 1997 .61 .61 .77 29 eag052 1731 1997 .78 .70 .50 30 eag141 1654 1998 .84 .82 .74 32 eag142 1651 1997 .82 .81 .76 33 eag231 1611 1997 .74 .80 .74 38 eag271 1867 1997 .79 .84 .72 Av segment correlation .76 .80 .77 PART 7: DESCRIPTIVE STATISTICS: Eagle Rock 14:22 Wed 21 Jun 2006 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 eag222 1721 1998 278 11 0 .815 .62 2.02 .398 .661 .457 2.54 .336 -.029 1 2 eag022 1701 1998 298 11 0 .851 .71 2.40 .425 .702 .457 2.57 .412 -.027 2 3 eag162 1682 1998 317 12 0 .816 .50 1.45 .251 .417 .525 2.52 .342 -.031 1 4 eag251 1601 1998 398 15 0 .779 .61 2.90 .429 .778 .366 2.36 .253 -.013 2 5 eag033 1750 1998 249 9 0 .815 .70 2.51 .373 .647 .364 2.61 .353 -.039 1 6 eag051 1731 1975 245 10 0 .755 .82 2.36 .498 .701 .442 2.45 .341 -.040 1 7 eag092 1870 1998 129 5 0 .751 .63 1.43 .280 .577 .343 2.64 .450 -.026 2 8 eag261 1670 1998 329 13 0 .830 .71 2.04 .325 .587 .348 2.58 .318 -.010 1 9 eag031 1700 1998 299 11 0 .819 .60 1.64 .301 .625 .412 2.59 .335 -.019 1 10 eag091 1820 1998 179 7 0 .648 .51 1.54 .278 .641 .380 2.66 .495 -.012 3 11 eag041 1769 1998 230 9 0 .739 1.02 3.38 .649 .799 .357 2.49 .356 -.030 1 12 eag131 1531 1998 468 18 0 .782 .60 2.83 .463 .785 .488 2.51 .342 -.017 1 13 eag211 1773 1998 226 9 0 .833 .93 2.03 .357 .345 .388 2.48 .343 -.025 1 14 eag032 1689 1998 310 12 0 .834 .42 1.09 .187 .466 .428 2.53 .335 -.049 1 15 eag272 1849 1998 150 6 0 .826 .46 .94 .197 .296 .486 2.45 .401 -.040 1 16 eag132 1607 1998 392 15 0 .785 .50 2.42 .364 .788 .484 2.44 .347 -.019 1 17 eag201 1818 1998 181 7 0 .820 .36 .97 .187 .586 .462 2.48 .280 -.022 1 18 eag232 1597 1997 401 16 0 .812 .69 2.73 .442 .735 .387 2.42 .281 -.019 1 19 eag021 1696 1997 302 12 0 .828 .70 2.37 .411 .653 .424 2.45 .301 -.035 1 20 eag081 1832 1997 166 6 0 .769 .63 2.18 .418 .765 .446 2.54 .396 -.070 1 21 eag252 1608 1997 390 15 0 .780 .63 3.00 .452 .763 .387 2.53 .318 .009 3 22 eag221 1696 1997 302 12 0 .816 .47 2.28 .321 .656 .515 2.55 .362 -.041 1 23 eag161 1684 1997 314 12 0 .866 .61 1.94 .319 .609 .462 2.40 .309 -.039 1 24 eag111 1877 1997 121 4 0 .666 1.50 4.14 .806 .741 .265 2.63 .476 -.054 1 25 eag212 1722 1997 276 11 0 .802 1.15 3.22 .536 .567 .348 2.62 .395 -.022 1 26 eag071 1565 1796 232 9 0 .751 .58 1.64 .308 .658 .373 2.49 .358 -.048 2 27 eag011 1811 1997 187 7 0 .825 1.06 2.61 .567 .642 .391 2.47 .342 -.016 1 28 eag082 1820 1997 178 7 0 .770 .50 1.51 .279 .620 .489 2.65 .437 -.048 2 29 eag052 1731 1997 267 10 0 .778 .46 1.57 .308 .772 .495 2.69 .414 -.051 1 30 eag141 1654 1998 345 13 0 .809 .62 2.71 .448 .687 .446 2.46 .321 -.029 1 31 eag152 1411 1630 220 9 0 .731 1.07 2.86 .467 .505 .354 2.62 .353 -.014 1 32 eag142 1651 1997 347 13 0 .784 .68 2.45 .437 .652 .440 2.43 .404 -.045 1 33 eag231 1611 1997 387 15 0 .793 .56 2.48 .323 .656 .413 2.53 .287 -.019 2 34 eag181 1600 1692 93 3 0 .701 2.25 5.03 1.157 .738 .357 2.41 .352 .029 1 35 eag241 1401 1674 274 10 0 .704 .85 3.73 .565 .788 .417 2.64 .395 -.005 1 36 eag101 1698 1869 172 7 0 .819 .24 .78 .121 .165 .607 2.55 .356 .002 1 37 eag102 1661 1897 237 9 0 .796 .26 .71 .136 .219 .606 2.48 .351 .006 1 38 eag271 1867 1997 131 5 0 .796 .66 2.30 .399 .609 .404 2.49 .344 .002 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10020 385 0 .793 .67 5.03 .389 .637 .430 2.69 .348 -.025