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Geologic structure and isopach maps were constructed by interpreting over 19,890 trackline kilometers of co-located multichannel boomer, sparker and chirp seismic reflection profiles from the continental shelf of the Delmarva Peninsula, including Maryland and Virginia state waters. In this region, Brothers and others (2020) interpret 12 seismic units and 11 regional unconformities. They interpret the infilled channels as Late Tertiary and Quaternary courses of the Susquehanna, Potomac, Rappahannock, York and James Rivers and tributaries, in addition to a broad drainage system. These regional unconformities form a composite unconformity interpreted as the Quaternary-Tertiary (Q-T) unconformity. A depth to Tertiary...
Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: 32-bit GeoTIFF, Applied Acoustics S-Boom Source, Assateague Island, Assateague Island National Seashore, Atlantic Ocean, All tags...
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This dataset contains values of normal reservoir storage in units of acre-feet per km2, for three time periods: 1992, 2002, and 2012. Values are derived from a slightly-modified version of the National Inventory of Dams (NID) 2013 dataset, for which approximately 10% of records had the dam completion date estimated.
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Data are included for laboratory studies evaluating the thermal biology of several freshwater mussel species and their host fish including dwarf wedgemussel (Alasmidonta heterodon), brook floater (Alasmidonta varicosa), creeper (Strophitus undulatus), eastern elliptio mussel (Elliptio complanata), tesselated darter (Etheostoma olmstedi), and slimy sculpin (Cottus cognatus). Thermal endpoints include critical thermal maximum, temperature preference, oxygen consumption rates, and clearance rates of organisms acclimated to a range of temperature treatments.
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U-Pb isotopic data from zircon grains from the sediment bedload of seven modern rivers: the Susquehanna, Potomac, Roanoke, James, Peedee, Tar, and Cape Fear, as well as from three samples taken from beaches in Albemarle and Pamlico Sounds (North Carolina), two Pleistocene core samples, and three samples on the ocean-facing foreshore of the Outer Banks barrier islands (North Carolina and Virginia). All analyses were conducted either by the University of Arizona LaserChron Center or Geosep Services (GSS).
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This metadata record documents 3 sets of comma delimited tables representing the amount of reported best management practice (BMP) implementation within the Chesapeake Bay watershed as well as output data from scenarios of the Chesapeake Bay Program Phase 5.3.2 Watershed Model. The scenario data were used to estimate the effects of BMPs on water quality. The data are organized by three themes (child items below); 1) BMP implementation and definitions, 2) isolation scenarios, and 3) "Progress" and "No Action" scenarios.
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This dataset contains values of soils, climate, hydrologic, topographic, and other geographic characteristics such as drainage area. These are considered "static" characteristics, which do not change over the time period of this study.
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This dataset provides estimates of annual and seasonal precipitation for selected Chesapeake Bay watersheds. Season 1 is November-February; season 2 is March-June; and season 3 is July-October.
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Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes summed from nine tributaries to the Chesapeake Bay from 1985 to 2023. Data are presented as the sum from tributaries within the USGS River Input Monitoring (RIM) network identified by site numbers: 01491000, 01578310, 01594440, 01646580, 01668000, 01673000, 01674500, 02035000, 02041650. Periods of estimation include January through May and November through May. The estimates are made using up-to-date streamflow and all total nitrogen analyses available as of June 1 of the reporting year.
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Winter-spring nitrogen loads as measured at the Susquehanna River at Conowingo Maryland and Potomac River at Washington, D.C. have been determined to be an effective indicator of summer anoxic and hypoxic volume in Chesapeake Bay. The U.S. Geological Survey (USGS) provides an estimate of winter-spring nitrogen loadings to support an annual forecast of summer Chesapeake Bay conditions. The specific period of estimation includes the months of January through May. This forecast is coordinated through an established relationship with the National Oceanic and Atmospheric Administration (NOAA), University of Maryland Center for Estuarine Science (UMCES) and Maryland's Department of Natural Resources. The results presented...
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The U.S. Geological Survey (USGS) is providing a polygon feature class showing the extent of the study area, the Binghamton East 1:24,000 quadrangle, located within south-central Broome County, New York, 2014-2021. The shapefile was created and intended for use with geographic information system (GIS) software. A companion report, USGS Scientific Investigations Report 2021-5026 (Van Hoesen and others, 2021; https://doi.org/10.3133/sir20215026) further describes data collection and map preparation.
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These data represent surface water and bed sediment samples analyzed for a variety of organic compounds. The samples were collected in streams and rivers in the Chesapeake Bay watershed from 2012-2018. Sites were located in Maryland, Pennsylvania, and West Virginia. Surface water samples were collected from 25 sites and analyzed for estrogenicity and an extensive suite of organic contaminants including hormones, pharmaceuticals, wastewater indicators, pesticides, phytoestrogens, and mycotoxins. Bed sediment samples were collected from 20 sites and analyzed for a suite of organic contaminants including hormones, wastewater indicators, pesticides, and organohalogens. Bed sediment was also analyzed for total organic...
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Stations Analyzed are 01578310 - SUSQUEHANNA RIVER AT CONOWINGO, MD and 01646580 - POTOMAC RIVER AT CHAIN BRIDGE NEAR WASHINGTON, DC. Spring nitrogen loads as measured at the Susquehanna River at Conowingo Maryland and Potomac River at Washington, D.C. have been determined to be an effective indicator of summer anoxic and hypoxic volume in Chesapeake Bay. The U.S. Geological Survey (USGS) provides an estimate of spring nitrogen loadings to support an annual forecast of summer Chesapeake Bay conditions. This is coordinated through an established relationship with the National Oceanic and Atmospheric Administration (NOAA), University of Maryland Center for Estuarine Science (UMCES) and Maryland's Department of Natural...
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This metadata record documents 2 comma delimited tables representing output from the Chesapeake Bay Program Phase 5.3.2 Watershed Model. The effect of best management practices (BMP) in 2014 in the Chesapeake Bay Watershed (CBWS) is estimated through a series of model scenarios that isolate the effect of individual BMPs. Data include a table describing the series of isolation scenarios and the summarized output of all scenarios. Scenario output include the estimated nitrogen, phosphorus, and sediment mass reductions for each BMP. Analysis of BMP implementation over time can provide insight to water quality restoration progress.
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This metadata report documents a shapefile of watershed boundaries for 84 selected United States Geological Survey (USGS) water quality stations that are part of the Chesapeake Bay non-tidal network (NTN).
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The U.S. Geological Survey (USGS) is providing the approximate location of the valley aquifer boundary within the Binghamton East quadrangle of south-central Broome County, New York, 2014-2021. The shapefile was created and intended for use with geographic information system (GIS) software. A companion report, USGS Scientific Investigations Report 2021-5026 (Van Hoesen and others, 2021; https://doi.org/10.3133/sir20215026) further describes data collection and map preparation.
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The U.S. Geological Survey (USGS) is providing a polygon feature class delineating and describing the subsurface facies within the Binghamton East 1:24,000 quadrangle of south-central Broome County, New York, 2014-2021. The shapefile was created and intended for use with geographic information system (GIS) software. A companion report, USGS Scientific Investigations Report 2021-5026 (Van Hoesen and others, 2021; https://doi.org/10.3133/sir20215026) further describes data collection and map preparation.
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This metadata report documents a shapefile of 84 selected United States Geological Survey (USGS) water quality stations that are part of the Chesapeake Bay non-tidal network (NTN).
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The U.S. Geological Survey (USGS) is providing a line feature class delineating the approximate locations of glacial ice-margins within the Binghamton East 1:24,000 quadrangle of south-central Broome County, New York, 2020. The shapefile was created and intended for use with geographic information system (GIS) software. A companion report, USGS Scientific Investigations Report 2021-5026 (Van Hoesen and others, 2021; https://doi.org/10.3133/sir20215026) further describes data collection and map preparation.
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The U.S. Geological Survey (USGS) is providing a line feature class containing the hydrogeologic transects (A-G) referred to in this study, within the Binghamton East 1:24,000 quadrangle of south-central Broome County, New York, 2020. The shapefile was created and intended for use with geographic information system (GIS) software. A companion report, USGS Scientific Investigations Report 2021-5026 (Van Hoesen and others, 2021; https://doi.org/10.3133/sir20215026) further describes data collection and map preparation.
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The U.S. Geological Survey (USGS), in cooperation with the New York State Department of Environmental Conservation (NYSDEC), collected and compiled well records to characterize the valley-fill aquifers of south-central Broome County beginning in 2014. The study area is defined by the limits of the Binghamton East quadrangle, which encompasses 55.5 square-miles (mi^2), and includes a 9-mile (mi) stretch of the Susquehanna River between Binghamton and Riverside, New York.


map background search result map search result map Chesapeake Bay non-tidal network shapefiles for selected station locations Seasonal precipitation for selected Chesapeake Bay watersheds Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds Reservoir storage for selected Chesapeake Bay watersheds Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries Annual Winter-Spring Nitrogen Loading for the Susquehanna and Potomac Rivers, 1985 to 2016 Annual winter-spring nitrogen loads for the Susquehanna and Potomac Rivers, 1985 to 2018 Estimated effect of best management practice implementation on water quality in the Chesapeake Bay watershed from 1985 to 2014 2) Estimated effect of best management practice implementation on water quality in the Chesapeake Bay watershed from 1985 to 2014 Organic contaminants, including hormones, pesticides, pharmaceuticals and other endocrine disrupting compounds, and estrogenicity data in select surface water samples as well as organic contaminants in bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, and West Virginia, 2012-2018 (ver. 2.0, August 2020) Laboratory studies on the thermal biology of freshwater mussels and their host fish species Digital Datasets for the Hydrogeology of the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Approximate Ice Margins within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Hydrogeologic Transects within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Subsurface Facies within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Study Area Boundary within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood Valley Aquifer Boundary within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Depth to Quaternary regional unconformities offshore of the Delmarva Peninsula, including Maryland and Virginia state waters Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2023 Detrital Zircon U-Pb data from selected Appalachian rivers and Outer Banks-area coastal sediments Laboratory studies on the thermal biology of freshwater mussels and their host fish species Hydrogeologic Transects within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Approximate Ice Margins within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Subsurface Facies within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Valley Aquifer Boundary within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Digital Datasets for the Hydrogeology of the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York Study Area Boundary within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood Depth to Quaternary regional unconformities offshore of the Delmarva Peninsula, including Maryland and Virginia state waters Estimated effect of best management practice implementation on water quality in the Chesapeake Bay watershed from 1985 to 2014 2) Estimated effect of best management practice implementation on water quality in the Chesapeake Bay watershed from 1985 to 2014 Annual winter-spring nitrogen loads for the Susquehanna and Potomac Rivers, 1985 to 2018 Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2023 Annual Winter-Spring Nitrogen Loading for the Susquehanna and Potomac Rivers, 1985 to 2016 Chesapeake Bay non-tidal network shapefiles for selected station locations Seasonal precipitation for selected Chesapeake Bay watersheds Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds Reservoir storage for selected Chesapeake Bay watersheds Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries Organic contaminants, including hormones, pesticides, pharmaceuticals and other endocrine disrupting compounds, and estrogenicity data in select surface water samples as well as organic contaminants in bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, and West Virginia, 2012-2018 (ver. 2.0, August 2020) Detrital Zircon U-Pb data from selected Appalachian rivers and Outer Banks-area coastal sediments