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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Colorado Water Science Center Acoustic, Spatial, and Sediment Size Data Collected on the Upper Colorado River to Estimate the Flushing Flows, Colorado, 2019 Benthic algae community composition data from the Colorado River Basin, Colorado, from 2022-23 Channel Characteristics, benthic algae, and water quality model data for selected sites in the upper White River Basin, Colorado, 2018-21 Corrosivity index and streamflow datasets used to evaluate trends in potentially corrosive source waters in the Nation's streams and rivers Cross-Section Data and Pressure Transducer Location of the South Platte River near Fort Morgan, Colorado, 2017 More... Filters Date Range Past year (7) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (6) OGC WFS Layer (6) OGC WMS Layer (6) OGC WMS Service (6) Contacts U.S. Geological Survey - ScienceBase U.S. Geological Survey Colorado Water Science Center Water Resources Rodney J Richards More... Categories Data (18) Data Release - Revised (1) Tag Types Theme (25) Place (25) USGS Scientific Topic Keyword (16) Harvest Set (18) Tag Schemes Geographic Names Information System (5) None (23) USGS Thesaurus (24) ISO 19115 Topic Category (23) Common geographic areas (16) Geographic Names Information System (GNIS) (3) Marine Realms Information Bank (MRIB) keywords (1) View Results as: JSON ATOM CSV Browse Folder

Data used to prioritize the selection of river basins for intensive monitoring and assessment by the U.S. Geological Survey The U.S. Geological Survey (USGS) developed a systematic, quantitative approach to prioritize candidate basins that can support the assessment and forecasting objectives of the major USGS water science programs. Candidate basins were the level-4 hydrologic units (HUC4) with some of the smaller HUC4s being combined (hereafter referred to as modified HUC4 basins). Candidate basins for the contiguous United States (CONUS) were grouped into 18 hydrologic regions. Thirty-three geospatial variables representing land use, climate change, water use, water-balance components, streamflow alteration, fire risk, and ecosystem sensitivity were initially considered to assist in ranking candidate basins for study. The two highest... Categories: Data; Tags: Climatology, Ecology, Hydrology, Integrated Water Science Basins, Land Use Change, All tags... USGS Science Data Catalog (SDC), United States, Water Resources, boundaries, climate change, ecosystem monitoring, environment, environmental assessment, fire risk, forecasting, habitat alteration and disturbance, hydrologic region, inlandWaters, land use and land cover, river basin, water budget, water use, Fewer tags Geospatially derived environmental characteristics to prioritize watersheds for research and monitoring needs within 18 hydrologic regions across the United States Water availability for human and ecosystem needs is a function of both water quantity and water quality, as described in the U.S. Geological Survey (USGS) Water Science Strategy (Evenson and others, 2013). Recently, a quantitative approach to prioritize candidate watersheds for monitoring investment was developed to understand changes in water availability and advance the objectives of new USGS programs (Van Metre and others, 2020). In this study design, the contiguous United States (CONUS) was divided into 18 regions (referred to here as “hydrologic regions” or “HRs”) with relatively homogeneous hydrologic drivers and processes to represent the wide diversity in conditions that exist across the CONUS. The gap analysis... Categories: Data; Tags: Ecology, Geochemistry, Hydrology, USGS Science Data Catalog (SDC), United States, All tags... Water Quality, Water Resources, contaminants of emerging concern, geogenics, geoscientificInformation, geospatial datasets, hydrologic region, inlandWaters, nutrient content (water), salinity, sediment transport, water temperature, Fewer tags Mapped sealed and unsealed pavement and concentrations of metals, polycyclic aromatic hydrocarbons, and radionuclides for soils, pavement dust, and stream sediment for 10 urban watersheds These data represent a one-time synoptic survey of sampled soils, pavement dust, and stream sediment in 10 urban watersheds in three regions of the United States (Pacific Northwest, northeast, and southeast) to evaluate sources of sediment and two groups of common urban contaminants: polycyclic aromatic hydrocarbons (PAHs) and metals. Analyses of samples from six of the watersheds included fallout radionuclides to facilitate identification of sediment sources to the streams. Scripts used in R to test selected explanatory variables for the urban contaminants using Generalize Additive Models (GAMs) are included. The data release also includes Geographic Information System (GIS) spatial layers that were developed for... Tags: Pacific Northwest, USGS Science Data Catalog (SDC), Water Quality, contamination and pollution, dust, All tags... environment, health, inlandWaters, northeast Unites States, pavement sealants, sediment, soil, southeast United States, water quality, Fewer tags Surrogate regression models for computation of time series suspended-sediment concentrations at Muddy Creek above Paonia Reservoir, Anthracite Creek above mouth near Somerset, and North Fork Gunnison below Raven Gulch near Somerset, Colorado These model archive summaries document the surrogate regression models developed to estimate 15-minute suspended-sediment concentrations at three streamgage sites in Colorado: Anthracite Creek above Mouth near Somerset, U.S. Geological Survey (USGS) site number 09132095; Muddy Creek above Paonia Reservoir, USGS site number 385903107210800; and North Fork Gunnison below Raven Gulch near Somerset, USGS site number 385553107243301. The methods used follow USGS guidance as referenced in relevant Office of Surface Water Technical Memorandum (TM) 2016.07 and Office of Water Quality TM 2016.10, USGS Techniques and Methods, book 3, chap. C5 (Landers and others, 2016), and (or) USGS Techniques and Methods, book 3, chap.... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Colorado, Gunnison County, Hydrology, USGS Science Data Catalog (SDC), Water Resources, All tags... mathematical modeling, regression analysis, sediment acoustics, sediment discharge, sediment transport, stream discharge, surface water, suspended material (water), water sampling, Fewer tags Diel and synoptic sampling data from Boulder Creek and South Boulder Creek, near Boulder, Colorado, September–October 2019 Multiple sampling campaigns were conducted near Boulder, Colorado, to quantify constituent concentrations and loads in Boulder Creek and its tributary, South Boulder Creek. Diel sampling was initiated at approximately 1100 hours on September 17, 2019, and continued until approximately 2300 hours on September 18, 2019. During this time period, samples were collected at two locations on Boulder Creek approximately every 3.5 hours to quantify the diel variability of constituent concentrations at low flow. Synoptic sampling campaigns on South Boulder Creek and Boulder Creek were conducted October 15-18, 2019, to develop spatial profiles of concentration, streamflow, and load. Numerous main stem and inflow locations... Categories: Data; Tags: Boulder, Boulder City, Boulder Creek, Hydrology, USGS Science Data Catalog (SDC), All tags... Water Quality, Water Resources, constituent concentration, diel variation, inlandWaters, south Boulder Creek, streamflow, surface water quality, synoptic study, Fewer tags Continuous water-quality data for selected streams in Rocky Mountain National Park, Colorado, water years 2011—19 (ver. 2.0, January 2022) Note: this data release has been superseded by version 3.0, available here: https://doi.org/10.5066/P9R29VUZ. This data release contains water-quality and discharge data collected at seven stream sites and one groundwater spring in Rocky Mountain National Park (RMNP), Colorado by the U.S. Geological Survey (USGS) from 10/1/2010 to 9/30/2019 using in-situ sensors and field meters. Data were collected for the purpose of quantifying downstream transport of aquatic carbon and exchange fluxes of dissolved carbon dioxide (CO₂) from streams. Parameters include daily mean discharge, dissolved CO₂, water temperature, atmospheric pressure, dissolved oxygen, fluorescent dissolved organic matter (fDOM), nitrate, specific conductance,... Categories: Data; Tags: CO₂, Colorado, Rocky Mountain National Park, USGS Science Data Catalog (SDC), atmospheric and climatic processes, All tags... carbon, evasion, geoscientificInformation, surface water (non-marine), Fewer tags Continuous water-quality data for selected streams in Rocky Mountain National Park, Colorado, water years 2011 - 19 (ver. 3.0, October 2023) This data release contains water-quality and discharge data collected at seven stream sites and one groundwater spring in Rocky Mountain National Park (RMNP), Colorado by the U.S. Geological Survey (USGS) from 10/1/2010 to 9/30/2019 using in-situ sensors and field meters. Data were collected for the purpose of quantifying downstream transport of aquatic carbon and exchange fluxes of dissolved carbon dioxide (CO₂) from streams. Parameters include daily mean discharge, dissolved CO₂, water temperature, atmospheric pressure, dissolved oxygen, fluorescent dissolved organic matter (fDOM), nitrate, specific conductance, turbidity, and corrected fDOM from 10/1/2010 to 9/30/2019 (DailyData.csv). Hourly mean dissolved CO₂,... Categories: Data, Data Release - Revised; Tags: CO₂, Colorado, Hydrology, Rocky Mountain National Park, USGS Science Data Catalog (SDC), All tags... Water Quality, Water Resources, atmospheric and climatic processes, carbon, evasion, geoscientificInformation, surface water (non-marine), Fewer tags Model Archive Summary for Suspended-Sediment Concentration at U.S. Geological Survey Site 09132095; Anthracite Creek above Mouth near Somerset, Colorado This model archive summary documents the suspended-sediment concentration (SSC) model developed to estimate 15-minute SSC at Anthracite Creek above Mouth near Somerset, U.S. Geological Survey (USGS) site number 09132095. The methods used follow USGS guidance as referenced in relevant Office of Surface Water Technical Memorandum (TM) 2016.07 and Office of Water Quality TM 2016.10, USGS Techniques and Methods, book 3, chap. C5 (Landers and others, 2016), and USGS Techniques and Methods, book 3, chap. C4 (Rasmussen and others, 2009). A total of 399 suspended-sediment samples were collected during the calibration period (43 cross-section and 356 single-station samples). Forty-one of these samples with associated streamflow... Categories: Data; Tags: Colorado, Gunnison County, inlandWaters, mathematical modeling, regression analysis, All tags... sediment acoustics, sediment discharge, sediment transport, stream discharge, surface water, suspended material (water), water sampling, Fewer tags Riparian-Zone Boundaries for the U.S. Geological Survey Regional Stream Quality Assessment In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of the RSQA is to characterize the relationships between water-quality stressors and stream ecology and subsequently determine the relative effects of these stressors on aquatic biota within the streams (Garrett and others, 2017; Journey and others, 2015; Coles and others, 2019; Sheibley and others, 2017; May and others, 2020). The study was implemented in five regions across the United States (U.S.); the Midwest (MSQA) in 2013, the Southeast (SESQA) in 2014, the Pacific Northwest (PNSQA) in 2015, the Northeast (NESQA) in 2016,... Tags: Alabama, CSQA, California, Connecticut, Geographic Information Systems, All tags... Georgia, Geospatial Analysis, Geospatial Datasets, Illinois, Indiana, Iowa, Kansas, Kentucky, MSQA, Massachusetts, Midwest, Minnesota, Missouri, NESQA, National Water Quality Assessment, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Northeast, Ohio, Oregon, PNSQA, Pacific Northwest, Pennsylvania, RSQA, Regional Stream Quality Assessment, Rhode Island, Riparian, Riparian zone, SESQA, South Carolina, Southeast, United States, Vermont, Virginia, Washington, Wisconsin, boundaries, environment, geoscientificInformation, inlandWaters, Fewer tags Daily subreach output from the transit-loss accounting program for Monument and Fountain Creeks, Colorado, 1988-22 This data release includes output data from the transit-loss accounting program for the Fountain and Monument Creek watersheds in El Paso and Pueblo Counties, Colorado. The output data distinguish between native and reusable streamflow. Native streamflow is that which originates naturally within the watershed. Reusable streamflow originates as water imported from outside the watershed, water derived from pumping of certain groundwaters, or as other water with rights that allow it to be reused. The program accounts for reusable water throughout the watershed, as well as the total inflow and outflow of water to each subreach division within the watershed. The accounting program is based upon stream-aquifer models... Categories: Data; Tags: Colorado, El Paso County, Fountain Creek, Hydrology, Monument Creek, All tags... Pueblo County, USGS Science Data Catalog (SDC), Water Resources, inlandWaters, mathematical modeling, streamflow, surface water (non-marine), transit-loss accounting, water allocation, water availability, Fewer tags Concentration of inorganic chemical elements associated with suspended sediment at Muddy Creek below Paonia Reservoir, Gunnison County, Colorado, U.S. Geological Survey site number 385626107212000 Dataset includes the analysis results of 49 inorganic chemical elements bound to suspended-sediment particles below Paonia Reservoir during a sediment release in September 2017. Suspended-sediment samples were collected at U.S. Geological Survey (USGS) station number 385626107212000 by following data collection procedures and protocols in Edwards and Glysson (1999). The samples were freeze-dried after collection and then decomposed using a mixture of nitric, hydrofluoric, and perchloric acids. The dried residue after acid digestion was analyzed by atomic absorption spectrometry and inductively coupled plasma-mass spectrometry following procedures and protocols in Taggart (2002). Reference samples of flue gas desulfurization... Categories: Data; Tags: Colorado, Geochemistry, Gunnison County, Hydrology, Muddy Creek, All tags... Paonia Reservoir, Somerset, USGS Science Data Catalog (SDC), Water Quality, chemical elements, chemistry, inlandWaters, sediment transport, stream discharge, surface water, suspended material (water), suspended sediment, Fewer tags Selected environmental characteristics of sampled sites, watersheds, and riparian zones for the U.S. Geological Survey Regional Stream Quality Assessment, 2013 to 2017 In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) project. One of the objectives of the RSQA is to characterize the relationships between water-quality stressors and stream ecology and subsequently determine the relative effects of these stressors on aquatic biota within the streams (Garrett and others, 2017; Journey and others, 2015; Coles and others, 2019; Sheibley and others, 2017; May and others, 2020). The study was implemented in five regions across the United States (U.S.); the Midwest (MSQA) in 2013, the southeast (SESQA) in 2014, the Pacific Northwest (PNSQA) in 2015, the northeast (NESQA) in 2016,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, Basin characteristics, California, Connecticut, Delaware, All tags... Drainage-area characteristics, Environmental characteristics, Geographic Information Systems, Georgia, Geospatial Analysis, Geospatial Datasets, Hydrology, Illinois, Indiana, Iowa, Kansas, Kentucky, Massachusetts, Midwest, Minnesota, Missouri, NAWQA, National Water Quality Assessment, Nebraska, New Jersey, New York, North Carolina, Northeast, Ohio, Oregon, Pacific Northwest, Pennsylvania, RSQA, Regional Stream Quality Assessment, Rhode Island, Riparian-zone characteristics, Site characteristics, South Carolina, Southeast, USGS Science Data Catalog (SDC), United States, Vermont, Virginia, Washington, Water Quality, Water Resources, Watershed characteristics, Wisconsin, biota, inlandWaters, Fewer tags Continuous water-quality data for selected streams in Rocky Mountain National Park, Colorado, water years 2011-19 Note: this data release has been superseded by version 2.0, available here: https://doi.org/10.5066/P9S775Y4. This data release contains water-quality and discharge data collected in Rocky Mountain National Park (RMNP), Colorado by the U.S. Geological Survey (USGS) from 10/1/2010 through 9/30/2019 using in-situ sensors and field meters. Data were collected for the purpose of quantifying exchange fluxes of dissolved carbon dioxide (CO₂) from streams. Parameters include daily mean dissolved CO₂, water temperature, atmospheric pressure, and discharge at seven stream sites and one groundwater spring (DailyData.csv). Hourly mean dissolved CO₂, CO₂ partial pressure (pCO2), water temperature, atmospheric pressure, and... Categories: Data; Tags: CO₂, Climatology, Colorado, Geochemistry, Rocky Mountain National Park, All tags... USGS Science Data Catalog (SDC), Water Quality, atmospheric and climatic processes, carbon, evasion, geoscientificInformation, surface water (non-marine), Fewer tags Geochemical Database for the Brackish Groundwater Assessment of the United States Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter, is an unconventional source of water that may offer a partial solution to current (2016) and future water challenges. In support of the National Water Census, the U.S. Geological Survey has completed a BGW assessment to gain a better understanding of the occurrence and characteristics of BGW resources of the United States as an alternative source of water. Analyses completed as part of this assessment relied on previously collected data from multiple sources, and no new data were collected. One of the most important contributions of this assessment was the creation of... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: USGS Science Data Catalog (SDC) Cross-Section Geometry and Sediment-Size Data from Muddy Creek and North Fork Gunnison River below Paonia Reservoir, western Colorado, 2019 This dataset contains cross-section geometry and sediment-size data collected in the fall of 2019 from Muddy Creek and North Fork Gunnison River below Paonia Reservoir, western Colorado. Six cross sections were surveyed using Real-Time Kinematic Global Navigation Satellite System (RTK-GNSS) methods to document channel geometry below Paonia Reservoir. One cross section was surveyed on Muddy Creek below Paonia Reservoir, and five cross sections were surveyed from North Fork Gunnison River below Paonia Reservoir. All six cross sections are incorporated in this data release within one shapefile. Pebble counts were performed at each of the six cross sections to document sediment-size distributions downstream from the... Tags: Geomorphology, Hydrology, Muddy Creek, North Fork Gunnison River, Paonia Reservoir, All tags... Somerset, USGS Science Data Catalog (SDC), Water Resources, geomorphology, grain-size analysis, sediment transport, Fewer tags Sampled Sites for the U.S. Geological Survey Regional Stream Quality Assessment In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of the RSQA is to characterize the relationships between water-quality stressors and stream ecology and subsequently determine the relative effects of these stressors on aquatic biota within the streams (Garrett and others, 2017; Journey and others, 2015; Coles and others, 2019; Sheibley and others, 2017; May and others, 2020). The study was implemented in five regions across the United States (U.S.); the Midwest (MSQA) in 2013, the Southeast (SESQA) in 2014, the Pacific Northwest (PNSQA) in 2015, the Northeast (NESQA) in 2016,... Tags: Alabama, CSQA, California, Connecticut, Delaware, All tags... Geographic Information Systems, Georgia, Geospatial Analysis, Geospatial Datasets, Illinois, Indiana, Iowa, Kansas, Kentucky, MSQA, Massachusetts, Midwest, Minnesota, Missouri, NESQA, National Water Quality Assessment, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Northeast, Ohio, Oregon, PNSQA, Pacific Northwest, Pennsylvania, RSQA, Regional Stream Quality Assessment, Rhode Island, SESQA, Sampling site, Site, South Carolina, Southeast, United States, Vermont, Virginia, Washington, Wisconsin, environment, geoscientificInformation, inlandWaters, Fewer tags Study Region Boundaries for the U.S. Geological Survey Regional Stream Quality Assessment In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of the RSQA is to characterize the relationships between water-quality stressors and stream ecology and subsequently determine the relative effects of these stressors on aquatic biota within the streams (Garrett and others, 2017; Journey and others, 2015; Coles and others, 2019; Sheibley and others, 2017; May and others, 2020). The study was implemented in five regions across the United States (U.S.); the Midwest (MSQA) in 2013, the Southeast (SESQA) in 2014, the Pacific Northwest (PNSQA) in 2015, the Northeast (NESQA) in 2016,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, CSQA, California, Connecticut, Geographic Information Systems, All tags... Georgia, Geospatial Analysis, Geospatial Datasets, Illinois, Indiana, Iowa, Kansas, Kentucky, MSQA, Maine, Maryland, Massachusetts, Michigan, Midwest, Minnesota, Missouri, NESQA, National Water Quality Assessment, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Northeast, Ohio, Oregon, PNSQA, Pacific Northwest, Pennsylvania, RSQA, Regional Stream Quality Assessment, Rhode Island, SESQA, South Carolina, South Dakota, Southeast, Study boundaries, Tennessee, United States, Vermont, Virginia, Washington, West Virginia, Wisconsin, boundaries, environment, geoscientificInformation, inlandWaters, Fewer tags Geochemical and fallout radionuclide data for sediment source fingerprinting studies of the Loutsenhizer Arroyo and Sunflower Drain watersheds in western Colorado This data release includes geochemical and fallout radionuclide data for suspended sediments and potential sediment source types for the Loutsenhizer Arroyo and Sunflower Drain watersheds in western Colorado. Suspended sediments were collected by passive samplers deployed in the stream channel of the watershed outlets during four study periods between August 2018 and August 2019. Potential sediment source type samples were collected in the watersheds in duplicate using compositing techniques that targeted the top 5 centimeters of soil. The four potential sediment source-types were: agricultural fields, rangeland, arroyo walls, and streambanks. Source type samples were wet sieved to less than (<) 63 microns (µm)... Categories: Data; Tags: Colorado, Geochemistry, Hydrology, Loutsenhizer Arroyo, Sunflower Drain, All tags... USGS Science Data Catalog (SDC), Water Quality, chemical analysis, fallout, geoscientificInformation, inlandWaters, radionuclide, sediment fingerprinting, selenium, suspended material (water), Fewer tags Model Archive Summary for Suspended-Sediment Concentration at U.S. Geological Survey Site 385553107243301; North Fork Gunnison below Raven Gulch near Somerset, Colorado This model archive summary documents the suspended-sediment concentration (SSC) model developed to estimate 15-minute SSC at North Fork Gunnison River below Raven Gulch, U.S. Geological Survey (USGS) site number 385553107243301. The methods used follow USGS guidance as referenced in relevant Office of Surface Water/Office of Water Quality Technical Memoranda and USGS Techniques and Methods, book 3, chap. C5 (Landers and others, 2016), and USGS Techniques and Methods, book 3, chap. C4 (Rasmussen and others, 2009). A total of 456 suspended-sediment samples were collected during the calibration period (45 cross-section and 411 single-station automatic pump samples). Thirty-nine samples (18 pump samples and 21 equal-width-interval... Categories: Data; Tags: Colorado, Gunnison County, inlandWaters, mathematical modeling, regression analysis, All tags... sediment acoustics, sediment discharge, sediment transport, stream discharge, surface water, suspended material (water), water sampling, Fewer tags Model Archive Summary for Suspended-Sediment Concentration at U.S. Geological Survey Site 385903107210800; Muddy Creek above Paonia Reservoir, Colorado This model archive summary documents the suspended-sediment concentration (SSC) model developed to estimate 15-minute SSC at Muddy Creek above Paonia Reservoir, U.S. Geological Survey (USGS) site number 385903107210800. The methods used follow USGS guidance as referenced in relevant Office of Surface Water Technical Memorandum (TM) 2016.07 and Office of Water Quality TM 2016.10, and USGS Techniques and Methods, book 3, chap. C5 (Landers and others, 2016). A total of 438 suspended-sediment samples were collected during the calibration period. Forty-one of these samples (22 equal-width-interval [EWI] samples and 19 single-point pump samples) were used in the model calibration dataset. These 41 samples were collected... Categories: Data; Tags: Colorado, Gunnison County, inlandWaters, mathematical modeling, regression analysis, All tags... sediment acoustics, sediment discharge, sediment transport, stream discharge, surface water, suspended material (water), water sampling, Fewer tags 1 2 »