# 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-full-noaa.txt # Data_Download_Description: NOAA Template File; Full Streamflow Reconstruction 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: fullPoolRecon_Woodhouse2006 # First_Year: 1525 # Last_Year: 1999 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: reconstructions # Notes: Full 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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 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2862 2064 3619 1461 9833 1991 3473 1694 1957 7977 3158 1373 2689 494 7309 637 1005 1695 1470 4987 1726 1217 2688 1014 7339 1362 2787 1696 1506 6872 2879 1520 3203 958 8893 1033 2190 1697 1977 7378 2798 1632 2894 1023 8028 1318 2581 1698 1640 7847 2830 2069 3897 1572 11183 2113 3877 1699 2070 6600 2731 1950 3782 1282 10032 1639 3267 1700 1547 6544 2371 1232 2332 604 6966 758 1521 1701 2399 9571 3577 2264 4272 1362 10947 1998 3620 1702 2197 10034 3431 1775 2982 834 8789 1305 2218 1703 1660 4947 2188 1394 2496 884 7092 1317 2732 1704 1289 3947 1582 1150 1941 558 5856 1035 1780 1705 1856 6447 2836 2112 3434 1484 10738 2101 3865 1706 904 4840 2014 1131 2048 648 5618 1163 1759 1707 1848 5728 2121 1247 2123 577 6088 975 1493 1708 1372 4068 1797 1111 1874 602 5467 992 2114 1709 1832 7224 2630 1852 3682 1323 9792 1993 3130 1710 1575 7006 2798 1810 3231 995 9044 1443 2801 1711 1538 5114 2184 1635 2901 970 7898 1417 2430 1712 1932 6560 2800 1723 3025 996 8909 1341 2603 1713 1397 5112 2275 1474 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1334 9746 2074 3759 1998 2095 9816 NA NA NA 1187 NA NA NA 1999 1637 NA NA NA NA 1027 NA NA NA