# Woodhouse et al. 2006 Updated Streamflow Reconstructions for the Upper Colorado River Basin #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # Template Version 4.0 # Encoding: UTF-8 # NOTE: Please cite original publication, NOAA Landing Page URL, dataset and publication DOIs (where available), # and date accessed when using these downloaded data. If there is no publication information, please cite investigator, study title, NOAA Landing Page URL, and date accessed. # # NOAA_Landing_Page: https://www.ncei.noaa.gov/access/paleo-search/study/6352 # Landing_Page_Description: NOAA Landing Page of this file's parent study, which includes all study metadata. # # Study_Level_JSON_Metadata: https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/json/noaa-recon-6352.json # Study_Level_JSON_Description: JSON metadata of this file's parent study, which includes all study metadata. # # Data_Type: Climate Reconstructions # # Dataset_DOI: 10.25921/3d73-zv15 # # Science_Keywords: Streamflow Reconstruction #------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/reconstructions/northamerica/usa/upper-colorado-recons-limited-noaa.txt # Data_Download_Description: NOAA Template File; Geographically-Limited Pool Data # # Supplemental_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/reconstructions/northamerica/usa/upper-colorado-trees.xls # Supplemental_Description: Excel File; Chronology data and metadata # # Supplemental_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/reconstructions/northamerica/usa/upper-colorado-regress.doc # Supplemental_Description: Excel File; Regression equations and coefficients and PC data # # Supplemental_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/reconstructions/northamerica/usa/upper-colorado-pca.xls # Supplemental_Description: Excel File; Loadings from PCA on chronologies # # Supplemental_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/reconstructions/northamerica/usa/upper-colorado-recons.xls # Supplemental_Description: Excel File; Data in Excel format # #------------------- # Contribution_Date # Date: 2006-05-01 #------------------- # File_Last_Modified_Date # Date: 2025-06-12 #------------------- # Title # Study_Name: Woodhouse et al. 2006 Updated Streamflow Reconstructions for the Upper Colorado River Basin #------------------- # Investigators # Investigators: Woodhouse, C.A.(https://orcid.org/0000-0003-0545-9753); Gray, S.T.; Meko, D.M. #------------------- # Description_Notes_and_Keywords # Description: Updated Streamflow Reconstructions for the Upper Colorado River Basin, based on a network of moisture-sensitive tree-ring chronologies in Colorado, southwestern Wyoming, and northeastern Utah. Tree-ring base reconstructions were generated for a set of 10 gages in the Upper Colorado River basin including Lees Ferry, as well as gages in the Green, Gunnison, Colorado main stem, and San Juan River basins. Reconstructions were generated using several reconstruction methods to test the robustness of results to different statistical approaches. All the gages but Lees Ferry were generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer) set with stepwise regression. Four different approaches were used for Lees Ferry; residual chronologies in stepwise regression (Lees-A), standard chronologies in stepwise regression (Lees-B), principal components regression with residual chronologies (Lees-C), and principal components regression with standard chronologies (Lees-D). Units are millions of cubic meters. Details on methodology are in Woodhouse et al. 2006. The natural flow estimates for the gage data, 1906-1995, used for the calibrations were provided by Jim Prairie of the U.S. Bureau of Reclamation in the summer of 2005. Units are in millions of cubic meters. 1. Full Pool Reconstructions for 9 gage locations; 2. Geographically-Limited Pool Reconstructions for 9 gage locations; 3. Lees Ferry Reconstructions, 4 alternative methods; 4. Gage Data (instrumental) See also the following Supplementary Data Files: Supplementary Data 1. Chronology data and metadata (upper-colorado-trees.xls); Supplementary Data 2. Regression equations and coefficients, PC data (upper-colorado-regress.doc); Supplementary Data 3. Loadings from PCA on chronologies (upper-colorado-pca.xls). #------------------- # Publication # Authors: Woodhouse, C.A., S.T. Gray, and D.M. Meko # Journal_Name: Water Resources Research # Published_Title: Updated Streamflow Reconstructions for the Upper Colorado River Basin. # Published_Date_or_Year: 2006-05-11 # Volume: 42 # Issue: 5 # Pages: # Report_Number: # DOI: 10.1029/2005WR004455 # Full_Citation: # Abstract: Updated proxy reconstructions of water year (October–September) streamflow for four key gauges in the Upper Colorado River Basin were generated using an expanded tree ring network and longer calibration records than in previous efforts. Reconstructed gauges include the Green River at Green River, Utah; Colorado near Cisco, Utah; San Juan near Bluff, Utah; and Colorado at Lees Ferry, Arizona. The reconstructions explain 72–81% of the variance in the gauge records, and results are robust across several reconstruction approaches. Time series plots as well as results of cross-spectral analysis indicate strong spatial coherence in runoff variations across the subbasins. The Lees Ferry reconstruction suggests a higher long-term mean than previous reconstructions but strongly supports earlier findings that Colorado River allocations were based on one of the wettest periods in the past 5 centuries and that droughts more severe than any 20th to 21st century event occurred in the past. #------------------- # Funding_Agency # Funding_Agency_Name: U.S. Geological Survey # Grant_Number: #------------------- # Funding_Agency # Funding_Agency_Name: Wyoming Water Development Commission # Grant_Number: #------------------- # Funding_Agency # Funding_Agency_Name: Arizona Board of Regents Technology and Research Initiative Fund # Grant_Number: #------------------- # Funding_Agency # Funding_Agency_Name: US National Oceanic and Atmospheric Administration (NOAA) # Grant_Number: GC02-046 Climate Change Data and Detection program #------------------- # Site_Information # Site_Name: Upper Colorado River Basin # Location: Colorado # Northernmost_Latitude: 43 # Southernmost_Latitude: 37 # Easternmost_Longitude: -106 # Westernmost_Longitude: -111 # Elevation_m: #------------------- # Data_Collection # Collection_Name: geographicallyhLimitedRecon_Woodhouse2006 # First_Year: 1525 # Last_Year: 2000 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: reconstructions # Notes: Geographically-Limited Pool Reconstructions for 9 gage locations #------------------- # Chronology_Information # Chronology: #------------------- # Variables # # PaST_Thesaurus_Download_Resource: https://www.ncei.noaa.gov/access/paleo-search/skos/past-thesaurus.rdf # PaST_Thesaurus_Download_Description: Paleoenvironmental Standard Terms (PaST) Thesaurus terms, definitions, and relationships in SKOS format. # # Variables format: shortname what,material,error,units,seasonality,data_type,detail,method, C(har) or N(umeric) data,additional information # ## age age,,,year Common Era,,climate reconstructions;tree ring,,,N, ## greengrwy streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; Green@GRWy ## greengrut streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; Green@GRUt ## cologwood streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; Colo@GWood ## gunnicry streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; Gunni@Cry ## gunnigj streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; Gunni@GJ ## dolores streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; Dolores ## colocisco streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; Colo@Cisco ## sjnarchu streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; SJnArchu ## sjnbluff streamflow,,,cubic meter,Oct-Sep,climate reconstructions;tree ring,,regression analysis,N,x1e6 units; generated using both a full set of predictor chronologies and a geographically limited (upstream watershed + 100km buffer); stepwise regression; geographically-limited pool reconstruction; SJnBluff #------------------------------- # Data: # Missing_Values: NA age greengrwy greengrut cologwood gunnicry gunnigj dolores colocisco sjnarchu sjnbluff 1525 1993 6136 2859 NA NA NA NA NA NA 1526 1592 5980 2569 NA NA NA NA NA NA 1527 1575 7622 2426 NA NA NA NA NA NA 1528 1348 4767 2554 NA NA NA NA NA NA 1529 1698 6687 2907 NA NA NA NA NA NA 1530 1799 5709 2720 NA NA NA NA NA NA 1531 1654 5184 1472 NA NA NA NA NA NA 1532 1217 3332 1495 NA NA NA NA NA NA 1533 1374 4988 2781 NA NA NA NA NA NA 1534 1752 5980 2841 NA NA NA NA NA NA 1535 2033 8052 2973 NA NA NA NA NA NA 1536 2139 8375 3044 NA NA NA NA NA NA 1537 1710 6725 2793 NA NA NA NA NA NA 1538 1388 3679 2012 NA NA NA NA NA NA 1539 2051 6440 3168 NA NA NA NA NA NA 1540 2030 6346 3408 NA NA NA NA NA NA 1541 1786 6704 2768 NA NA NA NA NA NA 1542 867 1442 875 NA NA NA NA NA NA 1543 1514 5049 2793 NA NA NA NA NA NA 1544 1681 6063 1816 NA NA NA NA NA NA 1545 1565 4216 1987 NA NA NA NA NA NA 1546 2026 7945 3340 NA NA NA NA NA NA 1547 1700 6244 2867 NA NA NA NA NA NA 1548 2205 7417 2932 NA NA NA NA NA NA 1549 2400 10167 4111 NA NA NA NA NA NA 1550 2400 9014 2970 NA NA NA NA NA NA 1551 1369 5408 1698 NA NA NA NA NA NA 1552 1705 4054 2358 NA NA NA NA NA NA 1553 2096 9603 3164 NA NA NA NA NA NA 1554 1938 6996 2695 NA NA NA NA NA NA 1555 1936 6391 3427 NA NA NA NA NA NA 1556 2055 6759 3052 NA NA NA NA NA NA 1557 1778 8219 3054 NA NA NA NA NA NA 1558 1479 4166 1492 NA NA NA NA NA NA 1559 1679 5529 2156 NA NA NA NA NA NA 1560 1831 8293 3135 NA NA NA NA NA NA 1561 1882 6632 2614 NA NA NA NA NA NA 1562 2048 6902 2386 NA NA NA NA NA NA 1563 1757 5833 2502 NA NA NA NA NA NA 1564 2379 9264 3601 NA NA NA NA NA NA 1565 2145 7506 3025 NA NA NA NA NA NA 1566 1925 7057 2375 NA NA NA NA NA NA 1567 1651 6405 2162 NA NA NA NA NA NA 1568 1398 6875 2426 NA NA NA NA NA NA 1569 2099 6474 2581 1675 2769 1307 7975 1574 3107 1570 1796 8099 3006 2301 3469 1006 10122 981 2175 1571 1415 6008 2444 1561 2841 776 7997 1455 2972 1572 1650 8292 2759 2054 3471 1047 10047 1256 2305 1573 1597 5225 2384 1205 2165 518 6782 518 1161 1574 2058 3693 2131 791 1428 446 4575 850 1441 1575 1573 7362 2757 2002 3015 1366 8117 1388 2813 1576 1447 4660 2228 1208 2387 754 6974 1000 2106 1577 2040 9638 3061 1903 3166 1223 9563 2387 4522 1578 1905 7628 2810 1594 3232 1239 9246 1692 3373 1579 1054 5157 2410 1476 2599 863 7836 1048 1801 1580 1392 2414 1479 793 975 398 2788 577 1331 1581 1608 6628 2020 1114 2537 1024 6726 1363 2454 1582 1653 8315 2815 1676 3080 926 9257 1145 2085 1583 1578 6820 2214 1146 2473 728 7271 997 1900 1584 1139 712 814 582 463 189 1887 388 999 1585 1370 3599 1850 1360 2548 817 6644 794 1363 1586 1854 8508 2736 1673 3258 1125 9308 1529 3087 1587 1667 6173 2028 1342 2522 1032 6741 1824 3269 1588 1589 6892 2644 1860 3468 1583 9542 1867 3788 1589 1874 8136 3025 1774 3179 1193 9209 2044 3602 1590 1169 2876 1532 587 1198 -22 3189 84 546 1591 1608 4597 1471 1260 2273 1050 6575 1505 2598 1592 1437 3406 1972 1087 2000 810 5547 1182 2262 1593 1776 5708 2508 1437 2803 1177 7760 1394 3117 1594 1950 7929 2593 1692 3402 1643 8788 2096 4183 1595 1649 7979 2656 1906 3570 1369 10543 2242 3782 1596 1848 9056 2980 2010 3656 1246 10653 2032 3326 1597 1628 5362 1951 1472 2791 874 7885 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2579 1349 2366 701 6958 1037 2088 1639 1869 7308 3007 1869 2956 1033 9285 1400 2571 1640 2144 8469 2876 1742 2908 1028 8402 1507 2888 1641 1337 5997 2403 1658 2834 1244 7653 1461 2613 1642 1815 7786 2645 1762 2930 1194 8553 1711 3159 1643 1246 5580 2332 1502 2762 1344 7177 1852 3456 1644 1956 6466 2512 1775 3134 1110 8305 1551 2816 1645 1205 2264 1705 955 1634 249 5470 851 1555 1646 1414 3241 1373 1224 1890 1016 4726 1356 2633 1647 1970 7748 3379 1928 2943 1048 9163 1543 2990 1648 1646 7566 2487 1980 2488 359 7613 562 982 1649 1922 9039 3515 2077 4046 1377 11658 1383 2782 1650 1752 8389 2814 1912 3488 1331 10165 1896 3241 1651 1907 7064 2903 1954 3449 1462 9706 1721 3069 1652 1653 7949 2788 1329 2585 675 6888 477 1295 1653 982 4157 1608 925 1560 610 5559 1429 2342 1654 1348 2265 781 548 803 125 2115 25 312 1655 2073 11054 4063 2375 4200 1769 12146 2466 4462 1656 1816 5121 2536 1348 2103 977 6425 1659 2992 1657 1555 5427 3104 1509 2748 684 8980 1281 2444 1658 1516 4482 2060 1108 2158 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2238 3868 1679 2077 6365 2910 1659 2919 680 9373 1192 1950 1680 2306 11364 3969 2140 4350 1696 12723 2202 3945 1681 1702 6051 2663 1613 3222 1318 9484 1876 3105 1682 1631 4981 2056 1105 2452 796 6984 858 1851 1683 2087 9037 3424 2253 4055 1622 11372 1662 3143 1684 1760 6836 2158 913 1655 477 4911 446 1178 1685 1102 -254 750 292 480 -55 1176 -150 133 1686 1143 3507 1403 1504 2295 809 7152 1400 2641 1687 1958 8529 2705 1331 2780 1251 7029 1804 3378 1688 2053 7858 2975 1814 3910 1558 10440 1690 3192 1689 1523 7879 2941 2004 3330 1050 9879 2044 3585 1690 1912 6206 2881 1725 3453 1075 9467 1657 2768 1691 1676 8121 3054 1585 3595 1215 9886 1585 2625 1692 1916 6327 2052 1592 2732 1371 7782 1789 3402 1693 1701 7332 2636 2049 3352 1487 9966 1910 3363 1694 1996 7977 3244 1190 2477 425 6882 571 1225 1695 1477 4987 2181 1281 2821 1064 7655 1272 2361 1696 1683 6872 2585 1368 2936 1038 7945 1061 2122 1697 1763 7378 3287 1797 3021 867 9116 1029 2044 1698 1369 7847 2585 2202 4304 1610 12269 1925 3294 1699 2029 6600 2783 1906 3438 1278 9632 1535 2858 1700 2034 6544 2661 1051 1984 638 5555 639 1455 1701 2192 9571 3362 2075 3558 1392 10008 2210 3858 1702 2122 10034 3561 1600 2689 671 8054 1236 2331 1703 1542 4947 2019 1411 2456 929 7190 1489 2618 1704 1631 3947 1584 1010 1606 613 5560 1320 2374 1705 1759 6447 2432 2113 3598 1521 11333 2165 3844 1706 1300 4840 1926 1202 2064 846 5842 1369 2613 1707 1849 5728 2524 1296 2126 484 6223 947 1566 1708 1210 4068 1888 1279 2105 551 6266 919 1868 1709 1699 7224 2261 1837 3513 1294 10111 2040 3485 1710 1622 7006 2673 1746 2934 985 8395 1490 2702 1711 1564 5114 1962 1780 3012 940 9016 1504 2974 1712 1354 6560 2758 1766 3110 915 9365 1302 2260 1713 1786 5112 2327 1501 2638 889 7795 1470 2658 1714 1583 3410 1511 721 1168 373 2738 315 955 1715 1608 7042 2539 1868 3570 1319 10413 1738 3265 1716 1806 6594 2282 1703 2829 881 8276 1379 2413 1717 1566 5264 2776 1594 2644 622 7729 988 1841 1718 1962 7501 2891 1969 3198 1239 9540 1797 3334 1719 2018 8985 3158 1921 3739 1338 9705 1513 3186 1720 2311 10908 3659 2533 4783 1794 13971 2946 4813 1721 1795 6149 2249 1375 2484 522 7175 844 1496 1722 1656 3978 2241 878 997 80 3698 520 1196 1723 1987 4299 2047 1244 2702 1232 6535 944 2441 1724 1558 7187 2639 1728 3062 1172 9219 1371 2757 1725 1768 7436 2688 2349 3720 1463 10800 2071 3757 1726 2509 11770 4274 2350 4488 1566 12706 1947 3690 1727 1877 7606 2687 1861 3395 1263 9624 1576 3130 1728 1796 5576 2467 1423 2372 482 7435 879 1316 1729 1627 4112 2269 710 1206 -18 3839 -78 323 1730 1730 6699 2231 1928 2507 539 7659 1317 2386 1731 2089 7614 2653 1449 2682 967 7797 1209 2139 1732 1631 6148 2527 1618 2467 891 7767 1770 3267 1733 1755 9559 3017 1713 3062 702 8702 977 1952 1734 2329 8379 3456 2008 3649 1549 11211 2363 4050 1735 1303 2209 1787 745 1053 159 2998 108 637 1736 1145 1331 1131 1380 2072 1056 5866 1640 3190 1737 1824 5602 2154 1162 2608 1062 7518 1245 2296 1738 1880 7380 2860 2081 3464 1625 9558 2315 4242 1739 1594 8417 3162 1833 2894 1064 8819 2001 3507 1740 1420 4048 1850 1115 2024 563 5521 804 1426 1741 1839 9197 3408 2015 3473 1028 10486 1554 2550 1742 1459 6468 2472 1766 3367 1114 9731 1075 2203 1743 1742 8119 2983 1983 3506 1542 10334 2241 3725 1744 1492 4720 2214 1484 1862 534 5846 1191 2299 1745 1665 6788 2984 2023 3467 1223 10092 1828 3172 1746 1889 8294 3091 1808 3643 1607 10724 2326 4076 1747 1955 9007 3369 2340 4124 1632 12212 2228 3676 1748 1681 4911 1612 564 1131 26 2604 -251 378 1749 1639 7582 2979 2106 3764 1642 11042 1981 3728 1750 1752 6198 2102 1084 2058 238 5815 421 816 1751 1498 8022 2808 1651 3127 1134 9134 1627 3352 1752 1812 7171 3016 1456 2287 585 6512 863 1652 1753 1691 8601 3086 2268 3968 1177 11143 1626 2708 1754 1835 6884 2687 1799 2339 736 7119 1510 2907 1755 1562 5067 2310 1251 1920 842 6308 1167 1769 1756 1426 3147 1864 813 1455 539 4255 923 1744 1757 1598 6355 2243 1260 2328 390 6944 624 971 1758 1789 6628 2638 1798 2936 1129 8890 1570 2989 1759 1764 4529 1575 1218 2265 1112 6198 1164 2754 1760 1677 7382 2945 1880 3598 1112 10061 1666 2752 1761 1971 8651 3386 1797 3480 1168 9755 1550 2945 1762 1754 8228 3343 1906 3631 1143 10275 1117 2338 1763 1227 3579 2004 1212 1942 638 5225 750 1496 1764 2097 8274 3568 1837 3564 1333 10231 1832 3231 1765 1586 5228 2027 1035 1481 331 3524 441 1073 1766 2065 8451 3070 1819 3088 1033 9131 1673 3074 1767 1829 6000 1572 1450 2451 1158 6662 946 2291 1768 2136 8888 4028 2168 3988 1366 12129 2098 3456 1769 2240 8664 3161 1882 3617 1060 9877 985 2129 1770 1735 5654 2187 1626 2693 977 6961 1575 2870 1771 2168 8022 2846 2118 3802 1627 10944 1813 3038 1772 1366 4861 2598 1185 2055 409 6235 737 1831 1773 1597 4269 2388 815 1504 664 5070 279 914 1774 1604 6736 2682 1580 2840 952 8201 992 1780 1775 1573 6711 2572 1564 2991 1113 8166 1444 2667 1776 1718 4247 2197 1420 2651 801 7254 991 2376 1777 1329 4512 1182 1065 2007 1013 5406 1269 2340 1778 1776 4654 2802 1126 2022 484 6264 109 551 1779 1708 6357 2415 1612 2915 1096 8549 1814 3148 1780 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