Boulder Ridge Road, Colorado, USA - CO591 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 : CO591.CRN Measurement file name : CO591.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1423 Ending year : 2001 Principal investigators: Connie A. Woodhouse Mark Losleben Site name : Boulder Ridge Road Site location : Colorado Species information : PIPO PONDEROSA PINE Latitude : 4059 Longitude : -10540 Elevation : 2650m Series intercorrelation: 0.667 Avg mean sensitivity : 0.299 Avg standard deviation : 0.237 Avg autocorrelation : 0.728 Number dated series : 36 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 0.33 PART 5: CORRELATION OF SERIES BY SEGMENTS: Boulder Ridge Road 14:03 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 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 brr011 1445 2001 .36 .41 .47 .54 .59 .57 .59 .60 .60 .69 .66 .69 .71 .65 .32A .38 .83 .79 .62 .57 2 brr021 1599 2001 .71 .70 .66 .77 .83 .65 .58 .58 .71 .73 .64 .75 .69 .68 3 brr031 1645 1968 .61 .58 .72 .64 .50 .53 .50 .50 .62 .61 .52 .51 4 brr041 1820 2001 .70 .74 .77 .73 .69 5 brr051 1658 2001 .71 .80 .83 .83 .77 .77 .79 .81 .79 .69 .68 6 brr061 1530 2001 .53 .59 .62 .45 .38 .55 .71 .66 .68 .59 .39 .45 .73 .81 .70 .73 7 brr071 1661 2001 .64 .64 .59 .60 .72 .71 .75 .80 .82 .80 .74 8 brr081 1566 1989 .64 .65 .62 .48 .57 .71 .81 .81 .70 .77 .73 .76 .78 .64 .62 9 brr091 1511 2001 .72 .82 .85 .79 .61 .41 .53 .66 .60 .68 .77 .83 .84 .83 .80 .60 .60 10 brr111 1429 2001 .74 .82 .70 .64 .67 .72 .73 .65 .54 .71 .77 .63 .60 .68 .65 .71 .81 .78 .48 .41 11 brr131 1517 2001 .58 .61 .68 .71 .75 .76 .78 .79 .85 .83 .81 .88 .80 .77 .85 .63 .56 12 brr141 1456 2001 .72 .64 .54 .62 .75 .57 .61 .69 .72 .85 .82 .75 .77 .80 .72 .72 .78 .77 .73 13 brr171 1501 2001 .62 .72 .75 .81 .73 .48 .43 .57 .71 .82 .64 .65 .79 .74 .71 .53 .53 14 brr201 1562 2001 .69 .64 .53 .48 .48 .61 .62 .61 .55 .57 .53 .48 .59 .62 .73 15 brr211 1440 2001 .77 .72 .60 .57 .75 .69 .72 .70 .55 .67 .78 .67 .62 .61 .54 .61 .67 .62 .54 .56 16 brr221 1663 2001 .60 .69 .79 .79 .69 .78 .77 .72 .83 .63 .58 17 brr231 1518 2001 .72 .74 .83 .75 .60 .56 .73 .70 .68 .72 .64 .45 .46 .69 .81 .52 .53 18 brr151 1692 2001 .55 .67 .77 .56 .60 .76 .70 .68 .66 .64 19 brr012 1890 2001 .47 .44 20 brr022 1695 2001 .72 .70 .68 .49 .59 .68 .57 .62 .59 .56 21 brr032 1478 2001 .53 .60 .62 .64 .60 .57 .55 .60 .72 .73 .66 .64 .52 .52 .67 .65 .49 .46 22 brr042 1850 2001 .73 .74 .64 23 brr052 1698 2001 .74 .75 .76 .66 .68 .68 .71 .81 .72 .62 24 brr062 1565 2001 .74 .73 .64 .63 .72 .85 .80 .76 .73 .56 .40 .58 .70 .66 .66 25 brr072 1619 2001 .67 .70 .65 .76 .69 .62 .65 .74 .77 .77 .84 .81 .77 26 brr082 1653 1990 .66 .72 .79 .78 .70 .72 .76 .84 .72 .56 .63 27 brr092 1637 1931 .58 .66 .80 .79 .76 .62 .68 .74 .81 .80 .61 .63 28 brr112 1454 2001 .82 .75 .66 .66 .74 .73 .57 .45 .66 .79 .71 .69 .72 .65 .68 .67 .66 .50 .43 29 brr132 1524 2001 .72 .71 .64 .62 .66 .65 .63 .71 .78 .78 .78 .85 .81 .75 .80 .77 .66 30 brr142 1528 2001 .73 .71 .68 .71 .68 .76 .83 .82 .77 .75 .84 .71 .60 .68 .48 .49 31 brr152 1630 2001 .66 .71 .70 .77 .77 .61 .67 .78 .72 .69 .64 .60 32 brr172 1423 2001 .52 .51 .65 .74 .78 .75 .78 .61 .50 .66 .78 .79 .74 .71 .74 .64 .65 .82 .57 .48B 33 brr202 1556 2001 .75 .64 .36 .33 .50 .46 .38 .46 .47 .56 .52 .44 .58 .60 .68 34 brr212 1595 2001 .76 .79 .63 .61 .75 .68 .68 .74 .74 .68 .58 .59 .54 .57 35 brr222 1670 2001 .72 .72 .81 .72 .45 .58 .71 .71 .76 .57 .60 36 brr232 1518 2001 .77 .81 .83 .69 .56 .63 .82 .77 .69 .74 .66 .49 .45 .56 .73 .58 .61 Av segment correlation .60 .67 .62 .65 .69 .71 .69 .62 .57 .65 .72 .71 .71 .66 .65 .66 .70 .74 .62 .60 PART 5: CORRELATION OF SERIES BY SEGMENTS: Boulder Ridge Road 14:03 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 1925 1950 1975 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 brr011 1445 2001 .70 .61 .60 2 brr021 1599 2001 .76 .66 .66 3 brr031 1645 1968 .66 4 brr041 1820 2001 .72 .62 .61 5 brr051 1658 2001 .81 .70 .69 6 brr061 1530 2001 .75 .64 .63 7 brr071 1661 2001 .83 .80 .79 8 brr081 1566 1989 .73 .65 9 brr091 1511 2001 .69 .64 .65 10 brr111 1429 2001 .65 .53 .53 11 brr131 1517 2001 .78 .79 .78 12 brr141 1456 2001 .68 .66 .64 13 brr171 1501 2001 .68 .67 .68 14 brr201 1562 2001 .82 .80 .81 15 brr211 1440 2001 .62 .62 .65 16 brr221 1663 2001 .72 .74 .73 17 brr231 1518 2001 .77 .82 .81 18 brr151 1692 2001 .62 .58 .59 19 brr012 1890 2001 .68 .62 .63 20 brr022 1695 2001 .57 .59 .54 21 brr032 1478 2001 .55 .48 .52 22 brr042 1850 2001 .70 .72 .72 23 brr052 1698 2001 .73 .74 .73 24 brr062 1565 2001 .71 .68 .67 25 brr072 1619 2001 .80 .67 .67 26 brr082 1653 1990 .70 .56 28 brr112 1454 2001 .63 .58 .57 29 brr132 1524 2001 .76 .73 .72 30 brr142 1528 2001 .62 .64 .60 31 brr152 1630 2001 .74 .71 .71 32 brr172 1423 2001 .71 .76 .76 33 brr202 1556 2001 .74 .77 .79 34 brr212 1595 2001 .70 .67 .67 35 brr222 1670 2001 .79 .74 .72 36 brr232 1518 2001 .77 .77 .75 Av segment correlation .71 .68 .68 PART 7: DESCRIPTIVE STATISTICS: Boulder Ridge Road 14:03 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 brr011 1445 2001 557 23 1 .577 .28 1.09 .172 .773 .356 2.69 .381 -.016 2 2 brr021 1599 2001 403 17 0 .684 .34 .95 .150 .684 .304 2.68 .361 .007 3 3 brr031 1645 1968 324 13 0 .574 .36 .96 .114 .454 .267 2.55 .389 -.024 1 4 brr041 1820 2001 182 8 0 .688 .82 1.32 .200 .574 .179 2.50 .397 -.033 1 5 brr051 1658 2001 344 14 0 .756 .58 1.28 .215 .719 .253 2.41 .292 -.024 1 6 brr061 1530 2001 472 19 0 .598 .62 2.07 .333 .827 .249 2.73 .364 -.023 1 7 brr071 1661 2001 341 14 0 .725 .54 1.90 .304 .809 .269 2.52 .329 -.023 2 8 brr081 1566 1989 424 17 0 .689 .71 3.99 .598 .872 .321 2.57 .365 -.019 1 9 brr091 1511 2001 491 20 0 .695 .38 1.05 .180 .693 .309 2.52 .341 -.023 1 10 brr111 1429 2001 573 23 0 .657 .66 1.98 .322 .804 .253 2.66 .369 -.030 1 11 brr131 1517 2001 485 20 0 .747 .35 .97 .149 .691 .266 2.65 .363 -.015 1 12 brr141 1456 2001 546 22 0 .703 .48 2.02 .294 .833 .282 2.54 .376 -.016 1 13 brr171 1501 2001 501 20 0 .679 .33 1.45 .191 .753 .370 2.53 .389 -.038 1 14 brr201 1562 2001 440 18 0 .603 .30 .74 .113 .506 .304 2.55 .281 -.026 1 15 brr211 1440 2001 562 23 0 .645 .49 1.37 .252 .757 .286 2.71 .380 -.005 1 16 brr221 1663 2001 339 14 0 .716 .56 2.24 .360 .768 .342 2.70 .407 .013 1 17 brr231 1518 2001 484 20 0 .692 .48 2.91 .417 .839 .334 2.44 .259 -.009 1 18 brr151 1692 2001 310 13 0 .634 .37 .93 .187 .694 .361 2.53 .338 .008 1 19 brr012 1890 2001 112 5 0 .534 .39 1.19 .188 .589 .396 2.57 .397 -.032 1 20 brr022 1695 2001 307 13 0 .605 .30 1.25 .149 .716 .281 2.51 .253 -.024 4 21 brr032 1478 2001 524 21 0 .593 .41 1.23 .171 .734 .253 2.66 .343 .002 1 22 brr042 1850 2001 152 6 0 .683 .45 .90 .183 .696 .269 2.45 .353 -.015 1 23 brr052 1698 2001 304 13 0 .707 .42 1.01 .172 .731 .267 2.54 .324 -.025 1 24 brr062 1565 2001 437 18 0 .664 .39 1.60 .209 .779 .284 2.61 .309 -.017 1 25 brr072 1619 2001 383 16 0 .716 .43 1.52 .288 .860 .273 2.62 .351 -.016 1 26 brr082 1653 1990 338 13 0 .689 .52 1.38 .230 .613 .316 2.61 .419 .023 1 27 brr092 1637 1931 295 12 0 .694 .43 1.70 .303 .894 .294 2.51 .299 .005 1 28 brr112 1454 2001 548 22 0 .658 .47 1.22 .249 .818 .291 2.59 .333 -.016 1 29 brr132 1524 2001 478 20 0 .724 .37 1.33 .221 .821 .283 2.50 .292 -.010 3 30 brr142 1528 2001 474 19 0 .691 .48 1.31 .200 .706 .276 2.48 .341 -.023 1 31 brr152 1630 2001 372 15 0 .709 .34 .82 .137 .458 .366 2.55 .350 -.004 2 32 brr172 1423 2001 579 23 1 .678 .50 2.02 .352 .805 .331 2.57 .320 -.018 2 33 brr202 1556 2001 446 18 0 .546 .33 .89 .137 .629 .316 2.59 .344 -.019 2 34 brr212 1595 2001 407 17 0 .660 .40 1.00 .196 .793 .256 2.83 .354 -.008 1 35 brr222 1670 2001 332 14 0 .684 .38 1.10 .184 .532 .381 2.67 .433 .001 1 36 brr232 1518 2001 484 20 0 .690 .52 1.47 .209 .543 .314 2.47 .249 .013 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 14750 603 2 .667 .45 3.99 .237 .728 .299 2.83 .344 -.013