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This dataset describes the quantity and morphology of floating microplastics in 29 Great Lakes tributaries in 6 states. Samples were collected in spring 2014 – spring 2015. Each tributary was sampled three to four times, capturing low-flow and runoff-event conditions. Sampling and analysis methods are described in the .xml metadata file. These data are interpreted in a journal article: Baldwin, A.K., Corsi, S.R., and Mason, S.A., 2016, Plastic debris in 29 Great Lakes tributaries: Relations to watershed attributes and hydrology: Environmental Science and Technology, v. 50, no. 19, p. 10377–10385, doi:10.1021/acs.est.6b02917.
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This U.S. Geological Survey (USGS) Data Release provides data collected from sediment oxygen demand (SOD) deployments conducted at eight stream sites in eastern Kansas during August 2014 through December 2015. Continuous water-quality monitors were used to measure water temperature, dissolved oxygen, pH, specific conductance, turbidity, and total algae (chlorophyll-a and phycocyanin) at thirty second intervals. All data are reported as raw measured values and are not rounded to USGS significant figures. The dataset includes all water-quality data collected during sediment oxygen demand deployments.
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This product is a 100-meter resolution raster which classifies urban lands in the conterminous United States by the year in which they were “first developed.” The classification is based on housing density by era for 1940-2010 developed by the University of Wisconsin-Madison SILVIS lab. The classification was applied by identifying a housing unit density threshold which matched current-era “development” as represented by U.S. Census Urban Areas polygons, then re-applying that threshold to former eras back to 1940. The result is a national raster (.tif format) with eight classes, for the years 1940 and before, 1950, 1960, 1970, 1980, 1990, 2000, and 2010, representing the year in which a pixel crossed the threshold...
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These data are high-resolution bathymetry (riverbed elevation) and depth-averaged velocities in ASCII format, generated from hydrographic and velocimetric surveys near highway bridge structures over the Missouri and Mississippi Rivers near St. Louis, Missouri, for dates ranging from 2008 to 2016. Hydrographic data were collected using a high-resolution multibeam echosounder mapping system (MBMS), which consists of a multibeam echosounder (MBES) and an inertial navigation system (INS) mounted on a marine survey vessel. Data were collected as the vessel traversed the river along planned survey lines distributed throughout the reach. Data collection software integrated and stored the depth data from the MBES and the...
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Two survey boats equipped with differential Global Positioning System (GPS) receivers and Turner Designs C3 submersible fluorometers were used to survey the spatial distribution of the Rhodamine WT dye in the Des Plaines River downstream of the Brandon Road Lock and Dam (BRLD) near Rockdale, Ilinois. Mapping of the dye plume commenced after the lock chamber at BRLD was dyed with 4 liters of Rhodamine WT dye during a routine filling procedure. Measurements of dye concentration downstream collected by these survey boats capture the leakage of dyed water from the lock, the pulse of dyed water exiting the lock during routine emptying of the lock, and the mixing of the dyed water downstream during a 17-minute flushing...
These datasets contain information used to compile the report (USGS OFR 2016-1137). It contains water-quality data, analytical results of field blanks, and analytical results for environmental and replicate sample sets for surface-water samples collected during water years 2012 and 2013 for the Triangle Area Water Supply Monitoring Program (TAWSMP). The water-quality data contained in appendix 1 are field paramters and the analytical results for the constituents analyzed for the project. Appendix 2 contains the results of the field blanks, and the results for the environmental and replicate sample sets are presented in appendix 3.
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From 2013 to 2015, bathymetric surveys of New York City’s six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined intervals for each reservoir. A separate set of echo sounder data was collected along transects at oblique angles to the main transects for accuracy assessment. Field survey data was combined with water-surface elevations in a geographic information system to create three-dimensional surfaces representing reservoir-bed elevations in the...
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From 2013 to 2015, bathymetric surveys of New York City’s six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined intervals for each reservoir. A separate set of echo sounder data was collected along transects at oblique angles to the main transects for accuracy assessment. Field survey data was combined with water-surface elevations in a geographic information system to create three-dimensional surfaces representing reservoir-bed elevations in the...
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These tables document grain-size distributions of sediment collected as part of a study on the geomorphic impacts of the March 2014 State Route 530 Landslide near Oso, Washington. This includes samples of material from the landslide deposit itself, covering a range of distinct facies present in the landslide, and samples of sand and gravel at various locations along the North Fork Stillaguamish River both upstream and downstream of the landslide. Grain size distributions of landslide material were distinguished between outwash material, till, and lacustrine material, distinct facies all present in the landslide deposit. Material coarser than 4-16 mm (sample dependent) was sieved and weighed in the field, and fine...
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The U.S. Geological Survey, in cooperation with the Virginia Department of Environmental Quality, has quantified several measures of rating stability and the frequency and magnitude of changes to ratings through time for 174 real-time continuous streamgages active in Virginia as of September 30, 2013. Alternative flow (AltFlow) tables were developed as a method of estimating provisional flow data. They were constructed for periods with complete records of shifts and ratings between October 1, 1990 and September 30, 2013. Alternate flows consist of Qsame, the flow value from the shifted rating table used to compute the daily flow value at the time of the most recent flow measurement that corresponds to the gage height...
In response to recent severe drought conditions throughout the state, Arizona recently developed its first drought plan. The Governor's Drought Task Force focused on limiting the economic and social impacts of future droughts through enhanced adaptation and mitigation efforts. The plan was designed to maximize the use of new, scientific breakthroughs in climate monitoring and prediction and in vulnerability assessment. The long term objective of the monitoring system is to allow for evaluation of conditions in multiple sectors and at multiple scales. Stakeholder engagement and decision support are key objectives in reducing Arizona's vulnerability in light of the potential for severe, sustained drought. The drivers...
A critical aspects of the uniqueness of coastal drought is the effects on salinity dynamics of creeks and rivers. The location of the freshwater-saltwater interface along the coast is an important factor in the ecological and socio-economic dynamics of coastal communities. Salinity is a critical response variable that integrates hydrologic and coastal dynamics including streamflow, precipitation, sea level, tidal cycles, winds, and tropical storms. The position of the interface determines the composition of freshwater and saltwater aquatic communities as well as the freshwater availability for water intakes. Many definitions of drought have been proposed, with most describing a decline in precipitation which has...
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Streamflow and phosphorus concentrations were monitored in the Assabet River in central Massachusetts in order to evaluate concentrations and loads in the river before, during, and after changes in the amount of total phosphorus that was discharged to the river from three wastewater-treatment plants. At four locations the U.S. Geological Survey collected weekly flow-proportional, composite samples of water from the Assabet River for analysis of concentrations of total phosphorus and orthophosphate. Streamflow and concentration data were used to estimate total phosphorus and orthophosphate loads in the river and compare them with total phosphorus load outputs from three wastewater-treatment plants. Data were collected...
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This geospatial dataset includes one point feature class file and associated FGDC-compliant metadata representing datasets to support development of ecological limit functions for the Cumberland Plateau in northeastern Middle Tennessee and southeastern Kentucky. Knight and others (2012, 2014) developed a methodology of relating fish species richness to changes in hydrologic conditions for sites within the Tennessee River Basin; this dataset applies this methodology to 138 sites within the the Cumberland Plateau. Information contained within this dataset represents values of basin characteristics (see Table II in Knight and others, 2012), estimates of streamflow characteristics (see Table I in Knight and others,...
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This dataset contains gage information for 75 Hydroclimatic Data Network-2009 basins in the conterminous United States and associated annual runoff volume, winter-spring runoff volume, and winter-spring runoff timing data 1920-2014, as well as trend results for WSCVD and WSV for periods 1920-2014, 1940-2014, and 1960-2014.
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Flow discharges were measured in the Des Plaines River from approximately river mile 286 to river mile 284 on October 19–21, 2015 using Teledyne Rio Grande 1200 kHz acoustic Doppler current profilers (ADCP). The data were georeferenced with differential GPS receivers with submeter accuracy. These flow discharge measurements were collected in support of the US Army Corps of Engineers Great Lakes and Mississippi River Interbasin Study (GLMRIS), and were concurrent with a dye-tracing study. The discharge measurements included here were collected in the following locations: immediately upstream, across, and immediately downstream of the NRG Energy Joliet Power Station right descending bank intake (North Intake) immediately...
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This data release contains four data files that were used to evaluate the conditions during which erosion occurred and the magnitude of erosional events. A single shapefile contains shoreline positions for five sites measured during the beginning and end of the project and projected shoreline positions based on the observed erosion rates. There are three .csv files that contain measured erosion pin data, photo-electric erosion pin data, and acoustic energy and water level data.
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This dataset consists of 262 variables which describe various known and suspected point and non-point sources of contaminants and endocrine disrupting compounds (EDCs) throughout the Chesapeake Bay Watershed. Contaminant data was summarized to the NHDPlus Version 2.1 catchment level (1:100K). Contaminant data summarized span a time range of 2001 to 2016 and include regulated facilities, pesticides, manure and biosolids application data, mercury deposition, animal feeding applications, septic systems, landfills, and land use and land cover. These data are presented in a comma separated file, which includes all variables summarized and the NHDPlus Version 2.1 FEATUREID field (also known as COMID). The FEATUREID field...
Categories: Data, Data Release - Revised; Types: Citation; Tags: Aquatic Biology, Chesapeake Bay, Chesapeake Bay Basin, Delaware, Discharge Monitoring Report (DMR), All tags...
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This U.S. Geological Survey (USGS) data release consists of daily evapotranspiration (ET) measurements/estimates for the time period June 1, 1995 to October 2014. These data are derived from (1) measurements of actual ET conducted at the USGS Blue Cypress marsh station (USGS station number 274143080424100) and (2) estimates of actual ET inferred from statistical regressions between the measurements of actual ET and potential ET. The station is located at a nearly flat wetlands site (27 degrees 41 minutes 43 seconds North / 080 degrees 42 minutes 41 seconds West) within the Blue Cypress Marsh Conservation Area, Indian River County, Florida. The dominant plant cover at the study site is sawgrass (Cladium jamaicense),...
Feedstock production for large scale development of the U.S. ethanol industry and introduction of cellulose-to-ethanol technology will require extensive changes in land use and field management. Hence, this production will likely have significant impact on water demand and quality. This study compares two ‘what if’ scenarios for attaining a 227.1 hm3 of ethanol by 2030 and 3.8 hm3 of biodiesel by 2012. In the first scenario cellulose-to-ethanol technology is introduced in 2012, while in the second scenario the technology is delayed until 2015. Results show that the timing of introduction of cellulose-to-ethanol technology will affect the water use and water quality related input use in primarily in the eastern part...
map background search result map search result map Streamflow and fish community diversity data for use in developing ecological limit functions for the Cumberland Plateau, northeastern Middle Tennessee and southwestern Kentucky, 2016 Geospatial, continuous, and point measure data for a spatial and temporal assessment of back-barrier erosion on Cumberland Island National Seashore, Georgia, 2011–2013: Sediment Oxygen Demand Data for Eastern Kansas Streams, August 2014 through December 2015 Streamflow and total phosphorus and orthophosphate data for samples collected in and near the Assabet River, Massachusetts, October 2008 through April 2014 Microplastics in 29 Great Lakes tributaries (2014-15) Spatial distribution of Rhodamine WT dye concentration measured in the Des Plaines River near Brandon Road Lock and Dam near Rockdale, Illinois (October 20-21, 2015) Miscellaneous flow discharge measurements collected downstream of Brandon Road Lock and Dam Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Pepacton Reservoir, 2015 Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Rondout Reservoir, 2013 to 2014 Winter-spring streamflow volume and timing data for 75 Hydroclimatic Data Network-2009 basins in the conterminous United States 1920-2014 Old vs. new urban: U.S. national mapping of the year of “first development” for urban areas, from 1940-2010. Evapotranspiration (ET) at Blue Cypress marsh site, daily data, Indian River County, Florida, June 1, 1995 – October 20, 2014 Ratings and estimated provisional streamflow for streamgages in Virginia, water years 1991 through 2013 Surficial Sediment Data on the North Fork Sitllaguamish River and State Route 530 Landslide near Oso, Washington Bathymetry and Velocity Data from Surveys at Highway Bridges crossing the Missouri and Mississippi Rivers near St. Louis, Missouri, October 2008 through May 2016 Potential contaminant sources and other landscape variables summarized for NHDPlus Version 2.1 catchments within the Chesapeake Bay Watershed (ver. 2.0, June 2021) Evapotranspiration (ET) at Blue Cypress marsh site, daily data, Indian River County, Florida, June 1, 1995 – October 20, 2014 Miscellaneous flow discharge measurements collected downstream of Brandon Road Lock and Dam Spatial distribution of Rhodamine WT dye concentration measured in the Des Plaines River near Brandon Road Lock and Dam near Rockdale, Illinois (October 20-21, 2015) Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Rondout Reservoir, 2013 to 2014 Streamflow and total phosphorus and orthophosphate data for samples collected in and near the Assabet River, Massachusetts, October 2008 through April 2014 Bathymetry and Velocity Data from Surveys at Highway Bridges crossing the Missouri and Mississippi Rivers near St. Louis, Missouri, October 2008 through May 2016 Streamflow and fish community diversity data for use in developing ecological limit functions for the Cumberland Plateau, northeastern Middle Tennessee and southwestern Kentucky, 2016 Sediment Oxygen Demand Data for Eastern Kansas Streams, August 2014 through December 2015 Ratings and estimated provisional streamflow for streamgages in Virginia, water years 1991 through 2013 Potential contaminant sources and other landscape variables summarized for NHDPlus Version 2.1 catchments within the Chesapeake Bay Watershed (ver. 2.0, June 2021) Microplastics in 29 Great Lakes tributaries (2014-15) Winter-spring streamflow volume and timing data for 75 Hydroclimatic Data Network-2009 basins in the conterminous United States 1920-2014 Old vs. new urban: U.S. national mapping of the year of “first development” for urban areas, from 1940-2010.