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Filters Date Range Past year (6) Past month (1) Past week (1) Past day (0) Custom range... To   Search Types Map Service (4) OGC WFS Layer (4) OGC WMS Layer (4) OGC WMS Service (4) Citation (1) Downloadable (1) Contacts Daniel R Wise U.S. Geological Survey Water Resources Oregon Water Science Center Daniel Wise More... Categories Data (20) Data Release - Revised (3) Tag Types Place (28) Theme (28) USGS Scientific Topic Keyword (29) Harvest Set (31) Tag Schemes Geographic Names Information System (GNIS) (7) USGS Thesaurus (22) Geographic Names Information System (9) ISO 19115 Topic Category (16) Common geographic areas (5) None (6) Producer defined (2) More... View Results as: JSON ATOM CSV

Estimates of mean daily gross primary production and ecosystem respiration in beaver-affected reaches along Bronson and Fanno Creeks, OR This data release contains estimates of mean daily gross primary production (GPP) and ecosystem respiration (ER) in Bronson and Fanno Creeks, Oregon during August of 2016. These estimates were part of a larger study of the water-quality effects of beaver dams and beaver activity in selected urban streams of the Tualatin River Basin in northwestern Oregon. The mean daily GPP and ER values were estimated using two approaches (both of which are publicly available and documented): 1) a USGS model developed using the R programming language and 2) a Washington Department of Ecology model that runs in Excel. Inputs for the models included hourly measurements of dissolved-oxygen concentration, water temperature, photosynthetically... Categories: Data; Tags: Oregon, Tualatin River Basin, USGS Science Data Catalog (SDC), Water Quality, aquatic biology, All tags... hydrology, Fewer tags Population with On-Site Wastewater Treatment within the Pacific Drainages of the United States, 2010 The U.S. Geological Survey (USGS) is developing SPARROW models (SPAtially Related Regressions On Watershed Attributes) to assess the transport of contaminants (e.g., nutrients) through the Pacific drainages of the United States (the Columbia River basin; the coastal drainages of Washington, Oregon, and California; the Klamath River basin; the Central Valley of California, and the west slopes of the Sierra Nevada Mountains). SPARROW relates instream water quality measurements to spatially referenced characteristics of watersheds, including contaminant sources and the factors influencing terrestrial and aquatic transport. The number of people with on-site wastewater treatment (primarily septic tanks) is a potential... Tags: USGS Science Data Catalog (SDC), Water Quality, Water Resources, Western United States, environment, All tags... inland waters, society, Fewer tags SPARROW model inputs and simulated streamflow, nutrient and suspended-sediment loads in streams of the Pacific Region of the United States, 2012 Base Year (ver 1.1, June 2020) The U.S. Geological Survey's (USGS) SPAtially Referenced Regression On Watershed attributes (SPARROW) model was used to aid in the interpretation of monitoring data and simulate streamflow and water-quality conditions in streams across the Pacific Region of the Unites States. SPARROW is a hybrid empirical/process-based mass balance model that can be used to estimate the major sources and environmental factors that affect the long-term supply, transport, and fate of contaminants in streams. The spatially explicit model structure is defined by a river reach network coupled with contributing catchments. The model is calibrated by statistically relating watershed sources and transport-related properties to monitoring-based... Categories: Data, Data Release - Revised; Tags: California, Idaho, Montana, Nevada, Nutrient Loads, All tags... Oregon, SPAtially Referenced Regression On Watershed attributes (SPARROW), Spatial analysis, Statistical analysis, Streamflow, Surface-water quality, Suspended-sediment loads, USGS Science Data Catalog (SDC), Utah, Washington, Wyoming, Fewer tags Manure nitrogen applied county-wide to farmland Application of manure nutrients generated at cattle animal feeding operations to farmland within the Pacific drainages of the United States, 2012 The U.S. Geological Survey (USGS) is developing SPARROW models (SPAtially Related Regressions On Watershed Attributes) to assess the transport of contaminants (e.g., nutrients) through the Pacific drainages of the United States (the Columbia River basin; the coastal drainages of Washington, Oregon, and California; the Klamath River basin; the Central Valley of California, and the west slopes of the Sierra Nevada Mountains). SPARROW relates instream water quality measurements to spatially referenced characteristics of watersheds, including contaminant sources and the factors influencing terrestrial and aquatic transport. Livestock manure used as fertilizer on farmland is a potential source of nutrients delivered... Tags: Geography, USGS Science Data Catalog (SDC), Water Quality Application of nutrients generated by non-cattle livestock to farmland within the Pacific drainages of the United States, 2012 The U.S. Geological Survey (USGS) is developing SPARROW models (SPAtially Related Regressions On Watershed Attributes) to assess the transport of contaminants (e.g., nutrients) through the Pacific drainages of the United States (the Columbia River basin; the coastal drainages of Washington, Oregon, and California; the Klamath River basin; the Central Valley of California, and the west slopes of the Sierra Nevada Mountains). SPARROW relates instream water quality measurements to spatially referenced characteristics of watersheds, including contaminant sources and the factors influencing terrestrial and aquatic transport. Livestock manure used as fertilizer on farmland is a potential source of nutrients delivered... Categories: Data Release - Revised; Tags: Geography, USGS Science Data Catalog (SDC), Water Quality Manure phosphorus exported for county-wide application to farmland SPARROW model inputs and simulated streamflow, nutrient and suspended-sediment loads in streams of the Southwestern United States, 2012 Base Year (ver. 2.0, October 2020) The U.S. Geological Survey's (USGS) SPAtially Referenced Regression On Watershed attributes (SPARROW) model was used to aid in the interpretation of monitoring data and simulate streamflow and water-quality conditions in streams across the Southwestern Region of the Unites States. SPARROW is a hybrid empirical/process-based mass balance model that can be used to estimate the major sources and environmental factors that affect the long-term supply, transport, and fate of contaminants in streams. The spatially explicit model structure is defined by a river reach network coupled with contributing catchments. The model is calibrated by statistically relating watershed sources and transport-related properties to monitoring-based... Categories: Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, California, Colorado, Hydrology, Idaho, All tags... Louisiana, Nevada, New Mexico, Nutrient Loads, Oregon, SPAtially Referenced Regression on Watershed attributes (SPARROW), Spatial analysis, Statistical analysis, Streamflow, Surface-water quality, Suspended-sediment loads, Texas, USGS Science Data Catalog (SDC), Utah, Water Quality, Water Resources, Wyoming, Fewer tags CE-QUAL-W2 water-quality model and data for Berlin Lake, Lake Milton, Michael J Kirwan Reservoir, Mosquito Creek Lake, and the Mahoning River, Ohio The U.S. Army Corps of Engineers is considering changing the operations of Berlin Lake, Lake Milton, Michael J Kirwan Reservoir, and Mosquito Creek Lake. The lakes in this study are all reservoirs, formed by dams. These models were constructed to simulate those operations and document possible water-quality effects in the lakes, the lake outflows, and the Mahoning River downstream of the lakes. This data release includes U.S. Army Corps of Engineers water-quality data and the input and output files from the mechanistic water-quality models (CE-QUAL-W2). Tags: Berlin Lake, Lake Milton, Mahoning River, Michael J. Kirwan Reservoir, Mosquito Creek Lake, All tags... Ohio, USGS Science Data Catalog (SDC), Water Quality, dam, environment, modeling, surface water (non-marine), utilitiesCommunication, water temperature, Fewer tags Cyanotoxin concentrations in extracts from cyanobacteria colonies, plankton net tows, and Solid Phase Adsorption Toxin Tracking (SPATT) samplers in western rivers, lakes, and reservoirs, including drinking water sources in the Oregon Cascades: 2016-2020 This data release contains cyanotoxin concentrations for microcystins, cylindrospermopsins, anatoxins, and saxitoxins assessed using Enzyme-Linked Immunosorbent Assays (ELISA) on 363 samples collected from 82 surface-water sites located in the Cascade Range in Oregon, and eight sites located outside of the Oregon Cascade Range in Washington and California, during 2016-2020. Three sample types were assessed: 1) benthic colonies and mats of cyanobacteria (n=109), 2) plankton net tows (n=90), and 3) Solid Phase Adsorption Toxin Tracking samplers (SPATTs)(n=164). Categories: Data; Tags: Anderson Lake, Aquatic Biology, California, Clackamas River, Coast Fork Willamette River, All tags... Columbia River, Deschutes River, ELISA, McKenzie River, Middle Fork Willamette River, North Santiam River, North Umpqua River, Oregon, SPATT, Sacramento River, Solid Phase Adsorption Toxin Tracking, Tualatin River, USGS Science Data Catalog (SDC), Washington, Water Quality, Willamette River, aquatic biology, benthos, biota, cyanobacteria, cyanotoxin, environment, inlandWaters, limnology, net tow, surface water quality, water sampling, Fewer tags Photosynthetically Active Radiation Measurements Collected at Malheur Lake, OR, 2017-2018 The USGS measured photosynthetically active radiation (PAR, wavelength between 400 and 700 nanometers) at Malheur Lake, Oregon, as vertical profiles and as continuous measurements at a fixed depth, in 2017 and 2018. Malheur Lake is a large, shallow, turbid lake located in southeastern Oregon that fluctuates widely in surface area in response to yearly precipitation and climatic cycles. High suspended-sediment concentrations likely are negatively affecting the survival of aquatic plants. The PAR measurements in this data release were collected to assess PAR attenuation in the lake, and to quantify attenuation as a function of water quality (primarily turbidity). The continuous PAR measurements were collected at 10-minute... Categories: Data; Tags: Malheur Lake, Oregon, USGS Science Data Catalog (SDC), Water Quality, environment, All tags... inlandWaters, limnology, surface water quality, Fewer tags Input and results from boosted regression tree and artificial neural network models that predict daily maximum pH and daily minimum dissolved oxygen in Upper Klamath Lake, 2005-2019 This data release contains the model inputs, outputs, and source code (written in R) for the boosted regression tree (BRT) and artificial neural network (ANN) models developed for four sites in Upper Klamath Lake which were used to simulate daily maximum pH and daily minimum dissolved oxygen (DO) from May 18th to October 4th in 2005-12 and 2015-19 at four sites, and to evaluate variable effects and their importance. Simulations were not developed for 2013 and 2014 due to a large amount of missing meteorological data. The sites included: 1) Williamson River (WMR), which was located in the northern portion of the lake near the mouth of the Williamson River and had a depth between 0.7 and 2.9 meters; 2) Rattlesnake... Categories: Data; Tags: Oregon, USGS Science Data Catalog (SDC), Upper Klamath Lake, Water Quality, environment, All tags... hydrology, inlandWaters, surface water quality, water chemistry, Fewer tags Manure nitrogen applied to grazing land Daily baseflow specific conductance and daily baseflow discharge at selected sites within the Colorado River Basin for water years 1980-2022 This data release contains two sets of estimated values at selected sites within the Colorado River Basin: 1) daily specific conductance at 143 sites in the Upper Basin and 3 sites in the Lower Basin (WY 1980-2022); and 2) daily baseflow discharge at 100 sites in the Upper Basin and 3 sites in the Lower Basin (WY 1980-2022). The estimates of daily baseflow discharge will be used as input to an application of the USGS GSFLOW model, which is a coupled groundwater and surface-water flow model based on the integration of the USGS Precipitation-Runoff Modeling System (PRMS-V) and the USGS Modular Groundwater Flow Model (MODFLOW). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Colorado, Hydrology, New Mexico, USGS Science Data Catalog (SDC), All tags... Utah, Water Quality, Water Resources, Wyoming, environment, hydrology, inlandWaters, salinity, surface water quality, water chemistry, Fewer tags Predictions from the updated SPARROW suspended sediment models developed for western Oregon and northwestern California This file contains estimates of long-term mean annual suspended-sediment loads for western Oregon and northwestern California as predicted by the USGS SPARROW model (Wise, 2018). This application of the SPARROW model used the NHDPlus Version 2 as a hydrologic framework and represented 2012 conditions. Tags: USGS Science Data Catalog (SDC), Water Quality Input and output data for the Precipitation-Runoff Modeling System (PRMS) used to predict seasonal water availability during 2000-2015 in the Upper Klamath River Basin, Oregon and California This data release contains the model input and output data, and supporting files, from hydrologic simulations of streamflow conditions in the upper Klamath River Basin using the Precipitation-Runoff Modeling System (PRMS). The model was calibrated for the portion of the basin draining into Upper Klamath Lake. It simulates daily streamflow, snow, solar radiation, evapotranspiration, surface-water, and groundwater processes within the basin. The model calibration period spanned water years 2000 through 2015, and the model validation period spanned water years 1984 through 1999. The model was calibrated and validated using measured streamflow, snowpack, evapotranspiration, and solar radiation data sets. Categories: Data; Tags: California, Hydrology, Oregon, USGS Science Data Catalog (SDC), Upper Klamath, All tags... Water Resources, environment, inlandWaters, modeling, streamflow, water resources, Fewer tags Mean concentrations of silicate solutes at selected fixed water-quality stations in western Oregon and northwestern California (1951-2016) This data set contains the mean concentrations of silicate solutes at fixed water-quality stations in western Oregon and northwestern California between 1951 and 2016. Categories: Data Point-Source Nutrient Loads to Streams of the Conterminous United States, 2012 The U.S. Geological Survey (USGS) developed a spatial water-quality model called SPAtially Referenced Regressions On Watershed attributes (SPARROW) to estimate the major sources and environmental factors that affect the long-term supply, transport, and fate of contaminants in the Nation’s streams. The SPARROW model relates in-stream water-quality data to spatially referenced characteristics of watersheds, including contaminant sources and factors influencing terrestrial and aquatic transport. Based on SPARROW modeling, one of the main nutrient sources to streams is point-source facilities such as municipal waste-water treatment plants that discharge directly to streams. This dataset was developed to assist with... Categories: Data; Tags: Alabama, Arizona, Arkansas, California, Colorado, All tags... Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, National Hydrography Dataset, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, SPAtially Referenced Regressions On Watershed attributes (SPARROW), South Carolina, South Dakota, Tennessee, Texas, USGS Science Data Catalog (SDC), Utah, Vermont, Virginia, Washington, Water Quality, West Virginia, Wisconsin, Wyoming, aquaculture, contamination and pollution, environment, improvement of scientific data usability, nutrient content, utilitiesCommunication, waste treatment and disposal, wastewater discharge, Fewer tags Absorbance and fluorescence measurements and concentrations of disinfection by-products in source water and finished water in the McKenzie River Basin, Oregon: 2012-2014 This data release contains the results from a study that characterized the concentration and quality of dissolved organic carbon (DOC) in the McKenzie River, a relatively pristine watershed in western Oregon, and its link to forming disinfection by-products (DBPs) in treated drinking water. The study aimed to identify the primary source(s) of DOC in source water for the Eugene Water and Electric Board’s (EWEB) conventional treatment plant on the McKenzie River near river mile 11, upstream of Hayden Bridge. The two classes of regulated compounds examined—trihalomethanes (THMs) and haloacetic acids (HAAs)—form when organic carbon in raw source water reacts with chlorine and (or) bromine during water treatment. The... Categories: Data; Tags: McKenzie River, Oregon, USGS Science Data Catalog (SDC), Water Quality, Water Resources, All tags... disinfection by-products, dissolved organic carbon, environment, inlandWaters, optical properties of water, raw absorbance, river systems, surface water quality, Fewer tags Uptake and bioaccumulation of per- and polyfluoroalkyl substances in fish in the Columbia Slough, Portland, Oregon: 2019-2020 The Columbia Slough is located south and parallel to the Columbia River in Portland, Oregon and consists of approximately 19 miles of predominantly urbanized waterway that drains approximately 32,700 acres of land with industrial, commercial, residential, and agricultural uses. Per- and polyfluoroalkyl substances (PFAS) are found in aqueous film forming foams (AFFF) used for firefighting, and soil and groundwater contamination by PFASs has been detected at Portland International Airport (PDX) and the adjacent Portland Air National Guard base (PANG). PFASs have also been detected in sediments from Columbia Slough, which receives stormwater runoff from both PDX and PANG. Fish tissue samples were collected from the... Tags: Aquatic Biology, City of Portland, Columbia Slough, Ecology, Environmental Health, All tags... Oregon, USGS Science Data Catalog (SDC), Water Quality, Water Resources, ecotoxicology, environment, inlandWaters, river systems, surface water quality, Fewer tags 1 2 3 »