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Predicted Temperature and Precipitation Values Derived from Modeled Localized Weather Regimes and Climate Change in the State of Massachusetts Predicted temperature and precipitation values were generated throughout the state of Massachusetts using a stochastic weather generator (SWG) model to develop various climate change scenarios (Steinschneider and Najibi, 2022a). This data release contains temperature and precipitation statistics (SWG_outputTable.csv) derived from the SWG model under the surface warming derived from the RCP 8.5 climate change emissions scenario at 30-year moving averages centered around 2030, 2050, 2070, 2090. During the climate modeling process, extreme precipitation values were also generated by scaling previously published intensity-duration-frequency (IDF) values from the NOAA Atlas 14 database (Perica and others, 2015) by a... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Climatology, USGS Science Data Catalog (SDC), biota Worksheet for computing annual exceedance probability flood discharges and prediction intervals at stream sites in Connecticut The U.S. Geological Survey (USGS), in cooperation with Connecticut Department of Transportation, completed a study to improve flood-frequency estimates in Connecticut. This companion data release is a Microsoft Excel workbook for: (1) computing flood discharges for the 50- to 0.2-percent annual exceedance probabilities from peak-flow regression equations, and (2) computing additional prediction intervals, not available through the USGS StreamStats web application. The current StreamStats application (version 4) only computes the 90-percent prediction interval for stream sites in Connecticut. The Excel workbook can be used to compute the 70-, 80-, 90-, 95-, and 99-percent prediction intervals. The prediction interval... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Connecticut, Hydrology, USGS Science Data Catalog (SDC), Water Resources, annual exceedance probability, All tags... average standard error of prediction, flood frequency, prediction interval, Fewer tags Streamflow input datasets and model results using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Models to estimate total organic carbon and other constituent concentrations in eight rivers in Connecticut, water years 1973 to 2019 This data release provides data in support of an assessment of changes in slope of the concentration-discharge relation for total organic carbon in eight major rivers at gaging stations in Connecticut from October 1972 to September 2019 (U.S. Geological Survey water years 1973 to 2019). The rivers include the Connecticut at Thompsonville (01184000), Housatonic at Stevenson (01205500), Quinebaug at Jewett City (01127000), Farmington at Tariffville (01189995), Shetucket at Willamantic (01122500), Naugatuck at Beacon Falls (011208500), Quinnipiac at Wallingford (01196500), and Salmon at East Hampton (01193500). The assessment is described in the article “An increase in the slope of the concentration discharge relation... Categories: Data; Tags: Beacon Falls, CT, Connecticut River, East Hampton, CT, Farmington River, Housatonic River, All tags... Hydrology, Jewett City, CT, Land Use Change, Naugatuck River, Quinebaug River, Quinnipiac River, Salmon River, Shetucket River, South Windham, CT, Stevenson, CT, Tariffville, CT, Thompsonville, CT, USGS Science Data Catalog (SDC), Wallingford, CT, Water Quality, Willimantic, CT, dissolved organic compounds, mathematical modeling, river discharge monitoring, streamflow modeling, Fewer tags Data and hydraulic models at selected dam-removal and culvert-retrofit sites in the northeastern United States This dataset contains U.S. Geological Survey (USGS) developed hydraulic models, USGS developed hydrology data, US Fish and Wildlife Service (USFWS) supplied data (topography/bathymetry and structure data for pre removal conditions), and USGS field surveyed data at nine dam-removal and culvert-retrofit sites in the northeastern United States (Olson and Simeone, 2021). The hydrology, the USFWS supplied and USGS field data are used to support the development of one-dimensional and two-dimensional U.S. Army Corps of Engineer (USACE) Hydrologic Engineering Center’s River Analysis System (HEC-RAS) models for both the pre- and post-dam removal and culvert-retrofit conditions. The referenced models were used to evaluate... Categories: Data; Tags: Aquatic Biology, Bradford Dam Pawcatuck River Westerly RI, Hopewell Mills Dam Mill River Taunton MA, Hughesville Dam Musconetcong River Warren Glen NJ, Hyde Pond Dam Whitford Brook Mystic CT, All tags... Hydrology, Pond Lily Dam West River New Haven CT, USGS Science Data Catalog (SDC), Water Resources, West Britannia Dam Mill River Taunton MA, White Rock Dam Pawcatuck River Westerly RI, Whittendon Dam Mill River Taunton MA, Wreck Pond Brook Outfall Wreck Pond Brook Spring Lake NJ, aquatic biology, floods, hydraulic engineering, hydrology, Fewer tags Concentrations of per- and polyfluoroalkyl substances (PFAS) and related chemical and physical data at and near surface-water/groundwater boundaries on Cape Cod, Massachusetts, 2016-19 Groundwater, surface-water, sediment, and associated quality-control samples were collected downgradient from a former fire training area and wastewater infiltration beds on Cape Cod, Massachusetts and analyzed for per- and polyfluoroalkyl substances (PFAS). Samples were collected between July 2016 and February 2019 following U.S. Geological Survey protocols. Field parameters reported include temperature, pH, specific conductance, and dissolved oxygen. Samples were analyzed for chloride, bromide, nitrate, sulfate, and dissolved organic carbon. PFAS samples were extracted using offline solid phase extraction and were analyzed for 24 PFAS at Harvard University using liquid chromatography-tandem mass spectrometry (LC-MS/MS).... Categories: Data; Tags: Cape Cod, Eastern United States, Environmental Health, Falmouth, Hydrology, All tags... Mashpee, Massachusetts, Sandwich, USGS Science Data Catalog (SDC), Water Quality, hydrology, water chemistry, Fewer tags Trends in 7-day-low streamflows at 174 USGS streamflow gages in the Chesapeake Bay watershed, Mid-Atlantic U.S. This data set contains U.S. Geological Survey (USGS) streamgage identification numbers, begin and end years of the periods of streamflow record tested, Sen slope trends in the annual minimum 7-day streamflow for the period of record tested, the p-values (significance) of the trends, and the trend Sen slopes standardized by the standard deviations of the residual errors defined as the difference between observations and the Sen slope lines, for 174 USGS streamgages with 56 to 75 years of record in the Chesapeake Bay watershed, Mid-Atlantic U.S. Categories: Data; Tags: Chesapeake Bay, Delaware, Maryland, New York, Pennsylvania, All tags... USGS Science Data Catalog (SDC), Virginia, Water Resources, West Virginia, streamflow, Fewer tags Streamflow and total phosphorus and orthophosphate data for samples collected in and near the Assabet River, Massachusetts, October 2008 through April 2014 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... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Assabet River, Ben Smith Dam, Hudson, Hudson Pond Dam, Marlborough, All tags... Massachusetts, Maynard, Stow, TMDL, USGS Science Data Catalog (SDC), Water Quality, Water Resources, Westborough, effluent treatment, nutrient loading, orthophosphate, phosphorus, stream flow, wastewater treatment plant, Fewer tags Low-streamflow trends and basin characteristics for 2,482 U.S. Geological Survey streamgages in the conterminous U.S. This data release contains drainage basin characteristics and low-streamflow trend results for 2,482 U.S. Geological Survey (USGS) streamgages in the conterminous U.S. Data include streamgage identification number, name, drainage area, latitude, longitude, percent developed land use, percent crop land use, dam storage, streamgage classification, record completeness status, and trend slopes and significance for several low-streamflow and related metrics. Also included is an R script containing the Mann-Kendall trend test for three different null hypotheses of the serial structure of the time-series data: independence, short-term persistence, and long-term persistence. Categories: Data, Data Release - Revised; Tags: USGS Science Data Catalog (SDC), United States of America, Water Resources, land use and land cover, streamflow, All tags... time series analysis, Fewer tags Río Icacos, Puerto Rico, Turbidity, FDOM, and Water Temperature, March 2017 to March 2019 The dataset presents 5- or 15-minute data for turbidity and Fluorescent Dissolved Organic Matter (FDOM) measured by in-stream sensors at the USGS gage Río Icacos near Naguabo (50075000), Luquillo Experimental Forest, Puerto Rico. The measurement period was 10 March, 2017 to 1 March, 2019. The USGS sensors were co-located with sensors for nitrate and specific conductance operated by University of New Hampshire (UNH), and these datasets are all used in the accompanying publication. A 4-month gap in turbidity in 2018 was mostly filled by UNH data, using a relation between USGS turbidity and co-located UNH turbidity when both sensors were operating. The main metric used in the journal paper was the ratio of coefficient... Categories: Data; Tags: Climate variability, Fluorescent Dissolved Organic Matter, Geochemistry, Hydrology, Luquillo Experimental Forest, All tags... Naguabo, Nitrate, Precipitation anomaly, Puerto Rico, Río Icacos, Specific conductance, Transporter-to-transformer continuum, Turbidity, USGS Science Data Catalog (SDC), Water Quality, location, Fewer tags Model Code, Outputs, and Supporting Data for Approaches to Process-Guided Deep Learning for Groundwater-Influenced Stream Temperature Predictions This model archive provides all data, code, and modeling results used in Barclay and others (2023) to assess the ability of process-guided deep learning stream temperature models to accurately incorporate groundwater-discharge processes. We assessed the performance of an existing process-guided deep learning stream temperature model of the Delaware River Basin (USA) and explored four approaches for improving groundwater process representation: 1) a custom loss function that leverages the unique patterns of air and water temperature coupling resulting from different temperature drivers, 2) inclusion of additional groundwater-relevant catchment attributes, 3) incorporation of additional process model outputs, and... Categories: Data; Tags: DE, Delaware, Hydrology, MD, Maryland, All tags... NJ, NY, New Jersey, New York, PA, Pennsylvania, US, USGS Science Data Catalog (SDC), United States, Water Quality, Water Resources, deep learning, environment, explainable AI (XAI), groundwater, hybrid modeling, inlandWaters, machine learning, modeling, process guided deep learning, stream temperature, temperature, water, water resources, Fewer tags Average calculated seepage rates from vertical temperature profiles at four groundwater flow-through glacial kettle lakes, western Cape Cod, Massachusetts, 2016–18 This data set summarizes seepage rates calculated from the lake-bottom temperature data as described in child item "Calculations of lake-bottom seepage rates from vertical temperature profiles at four groundwater flow-through glacial kettle lakes, western Cape Cod, Massachusetts, 2016–18." The data table provides locational information for each site, including easting and northing, in meters relative to the Massachusetts State Plane coordinate system (North American Datum of 1983); approximate distance from shoreline, in meters; and approximate lake-water depth, in meters. The data table also provides the arithmetic average and standard deviation of temperature-derived seepage rate for each time series (in .csv... Categories: Data; Tags: Cape Cod, groundwater flow, hydrogeology, seepage, temperature Electromagnetic Induction and Ground-Penetrating Radar Surveys at Transportation Infrastructure Sites in New Hampshire, 2022 In 2022, the U.S. Geological Survey (USGS) New England Water Science Center, in cooperation with the New Hampshire Department of Transportation (NHDOT), surveyed four transportation infrastructure sites with frequency-domain electromagnetic induction (EMI) instruments and one site with ground-penetrating radar (GPR) to aid traditional geotechnical site characterizations performed by NHDOT. Information about subsurface physical properties is typically obtained through the use of borings during geotechnical site characterizations. Geotechnical site investigations that also include geophysical surveys (such as the EMI and GPR methods) between borings help provide more thorough characterizations. Integrated analysis... Categories: Data; Tags: Canterbury, NH, Geophysics, Geophysics, Ground penetrating radar (GPR), Groundwater, All tags... Lee, NH, New Hampshire, New London, NH, Troy, NH, USGS Science Data Catalog (SDC), electromagnetic, environment, geoscientific information, geotechnical, location, society, transportation, transportation, Fewer tags Streamflow and Dissolved Organic Carbon Input Datasets and Model Results Using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Model for Sleepers River W9 in Vermont, 1991 to 2018 (version 2.0, August 2022) This data release supports an analysis of changes in dissolved organic carbon (DOC) concentration and in the slope of the concentration-discharge relation in the Sleepers River Research Watershed W9 near North Danville, Vermont 1991 to 2018. The data release includes pre-processed model inputs and model outputs. W9 is a 40.5-hectare forested sub-watershed of the Sleepers River Research Watershed that was originally established by the U.S. Department of Agriculture in 1959 and has been intensively studied by the USGS since 1991. The W9 headwater sub-watershed drains to Pope Brook and is gaged at USGS station ID 01135100. Pope Brook flows into Sleepers River and ultimately into the Connecticut River. Two models... Categories: Data, Data Release - Revised; Tags: Hydrology, Sleepers River, USGS Science Data Catalog (SDC), Vermont, Water Quality, All tags... concentration discharge relation, dissolved organic carbon, environment, inlandWaters, stream discharge, water quality, Fewer tags Data for Model Estimated Baseflow for Streams Containing Endangered Atlantic Salmon in Maine, USA (version 1.1, July 2022) The U.S. Geological Survey (USGS) in cooperation with NOAA, developed a regression model for estimating August mean baseflow per square mile of drainage area to help resource managers assess relative amounts of baseflow in streams with Maine Atlantic Salmon habitat. The model was derived from August mean baseflows computed at 31 USGS streamgages in and near the Gulf of Maine Atlantic Salmon Habitat Recovery Units. An ordinary least squares regression model estimates August mean baseflow per unit drainage area using two explanatory variables: percentage of the basin underlain by sand and gravel aquifers, and the basin mean July precipitation. This model provides the means to estimate August mean baseflow in cubic... Categories: Data; Tags: Atlantic Salmon, Distinct Population Segment, Maine, USGS Science Data Catalog (SDC), baseflow, All tags... habitat, refugia, streamflow, Fewer tags Winter-spring streamflow volume and timing data for 75 Hydroclimatic Data Network-2009 basins in the conterminous United States 1920-2014 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. Categories: Data; Types: Citation; Tags: Climatology, USGS Science Data Catalog (SDC), United States of America, Water Resources, streamflow Bathymetric data for St. Croix River at outlet to East Grand Lake and Forest City Dam Survey, United States-Canadian border between Maine and New Brunswick These are survey data for the Forest City Dam at the Outlet to East Grand Lake on the St. Croix River between Maine and Canada. And they are bathymetric data surrounding the outlet dam collected with an Acoustic Doppler Current Profiler (ADCP) Categories: Data; Tags: Canada, East Grand Lake, Forest City, Maine, St Croix River, All tags... USGS Science Data Catalog (SDC), Washington County, Water Resources, bathymetry data, survey data, Fewer tags Data on Nitrogen Concentrations and Loads for the Connecticut River at Middle Haddam, Connecticut, Computed with the Use of Auto-Sampling and Continuous Measurements of Water Quality, 2008-14 This U.S. Geological Survey data release presents tabular daily data on nitrate plus nitrite nitrogen and total nitrogen loads for the Connecticut River at Middle Haddam, Connecticut, from December 6, 2008, to September 30, 2014. The data release contains total nitrogen concentration estimates at 15-minute intervals from December 2011 to September 2014. The data release also includes tabular information on the total nitrogen loads from the Connecticut River at Thompsonville, Connecticut, from October 1, 2008, to September 30, 2014. Data for each streamgage and constituent include the daily loads and upper and lower 95-percent prediction intervals; the method used in the load calculation for each streamgage is also... Categories: Data; Tags: Environmental Health, Middle Haddam, Connecticut, Thompsonville, Connecticut, USGS Science Data Catalog (SDC), Water Quality, All tags... Water Resources, nutrient content (water), stream discharge, surface water quality, Fewer tags Data release for depth to bedrock from Connecticut Water Resources Bulletins This data release consists of information from published tables in Connecticut Water Resources Bulletins (WRBs) transcribed into tabular digital format. Information about wells and test holes in the WRBs used in this data release consists of geographic location, depth to consolidated rock (bedrock depth), and depth of the well or test hole. The WRBs, published between 1966 and 1980 by the U.S. Geological Survey (USGS) in cooperation with either the Connecticut Water Resources Commission or the Connecticut Department of Environmental Protection, provided the foundational datasets for companion interpretive USGS Water-Resources Investigation Reports. NOTE: Version 2.0 adds 196 records but is otherwise identical to... Categories: Data, Data Release - Revised; Tags: Connecticut, USGS Science Data Catalog (SDC), bedrock surface, borehole logging, lithology Data used to model and map manganese in the Northern Atlantic Coastal Plain aquifer system, eastern USA Data used to model and map manganese concentrations in groundwater in the Northern Atlantic Coastal Plain (NACP) aquifer system, eastern USA, are documented in this data release. The model predicts manganese concentration within four classes and is based on concentration data from 4492 wells. The well data were compiled from U.S. Geological Survey, U.S. Environmental Protection Agency, Suffolk County Water Authority (Suffolk County, New York), and state agency sources. The four concentration classes are based on guidelines for drinking water quality: below detection (class 1, less than 10 micrograms per liter (ug/L)); detected but less than the aesthetic guideline of 50 ug/L (class 2); greater than the aesthetic... Categories: Data; Tags: Aquia aquifer, Delaware, Delmarva Peninsula, Geochemistry, Hydrology, All tags... Long Island, Lower Chesapeake aquifer, Magothy aquifer, Maryland, Matawan aquifer, Monmouth - Mt. Laurel aquifer, NAWQA, New Jersey, New York, North Carolina, Northern Atlantic Coastal Plain aquifer system, Piney Point aquifer, Potomac - Patapsco aquifer, Potomac - Patuxent aquifer, Surficial aquifer, USGS Science Data Catalog (SDC), Upper Chesapeake aquifer, Virginia, Water Quality, Water Resources, XGboost, class imbalance, groundwater quality, machine learning, manganese, regional groundwater quality, Fewer tags Data collected at Pawtuckaway Beach in Nottingham, New Hampshire, 2015-2017, including data from Escherichia coli (bacteria) samples, and from USGS meteorological and water quality stations In the summer of 2014 at Pawtuckaway Beach at Pawtuckaway State Park in Nottingham New Hampshire, the U.S. Geological Survey (USGS) established a seasonal meteorological station (430508071091801) on the beach and a seasonal water-quality station (01073389) in Pawtuckaway Lake proximal to the swimming area. Data recorded at 15-minute intervals by the meteorological station were wind speed, wind direction, precipitation, barometric pressure, and relative humidity. Data recorded at 15-minute intervals by the water-quality station were air and water temperature, specific conductance, dissolved oxygen (DO), pH, and stage (water level), which characterized water conditions at the swimming area. In 2015 the USGS also established... Categories: Data; Tags: Escherichia coli, Limnology, New Hampshire, Nottingham, Pawtuckaway State Park, All tags... USGS Science Data Catalog (SDC), Water Quality, air temperature, barometric pressure, beach, computational methods, dissolved oxygen, field monitoring stations, lake, pH, pathology, precipitation, relative humidity, specific conductance, water quality, water temperature, wind direction, wind speed, Fewer tags « 1 2 3 4 5 6 »