Filters: Tags: Chesapeake Bay (X) > Types: OGC WMS Service (X)

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Chesapeake Bay Watershed 2011 Edition Land Cover Data Release The US Geological Survey Chesapeake Bay Watershed Land Cover Data Series, 2011 edition, (CBLCD-e11) consists of Level I Land Cover data for the years 1984, 1992, 2001, 2006 and 2011. It consists of a series of five 8-bit unsigned integer raster data files of 30 meter spatial resolution in Albers Conic Equal Area projection, NAD83 datum. The 1984 – 2006 data layers were created by aggregating most Level II Anderson classes of the USGS CBLCD Land Cover Data Series released in 2010 (Irani and Claggett, 2010). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CBLCD, Chesapeak Bay watershed, Chesapeake Bay, Chesapeake Bay Program, Chesapeake Bay Watershed, All tags... Delaware, District of Columbia, Estuarine, Estuary, Impaired Waters, Land Change, Land Cover, Land Use, Land Use Change, Maryland, New York State, Pennsylvania, Virginia, West Virginia, environment, estuary, geoscientificInformation, inlandWaters, Fewer tags Elevation artifacts in digital bathymetric and topographic models for United States east (east_cdem_v1.tif) and west (west_cdem_v.tif) coasts (polygon shapefile, geographic, NAD83) Investigations of coastal change and coastal resources often require continuous elevation profiles from the seafloor to coastal terrestrial landscapes. Differences in elevation data collection in the terrestrial and marine environments result in separate elevation products that may not share a vertical datum. This data release contains the assimilation of multiple elevation products into a continuous digital elevation model at a resolution of 3-arcseconds (approximately 90 meters) from the terrestrial landscape to the seafloor for the contiguous U.S., focused on the coastal interface. All datasets were converted to a consistent horizontal datum, the North American Datum of 1983, but the native vertical datum for... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, CMGP, California, Canadian Hydrographic Service, Chesapeake Bay, All tags... Coastal and Marine Geology Program, Connecticut, DEM, Delaware, Depth, Florida, Florida Keys, Georgia, Gulf of Maine, Gulf of Mexico, Long Island, Louisiana, Maine, Maryland, Massachusetts, Middle Atlantic Bight, Mississippi, NED, NOAA, National Oceanic and Atmospheric Association, New England, New Jersey, New York, North Carolina, Northwestern Atlantic Ocean, Oregon, Puget Sound, South Atlantic Bight, South Carolina, Texas, U.S. Geological Survey, USGS, United States, Vector data, Virginia, WHCMSC, Washington, Woods Hole Coastal and Marine Science Center, digital elevation models, geoscientificInformation, land surface characteristics, oceans, Fewer tags Chesapeake Bay Nontidal Network 2005-2014: Average Yields Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the nine Chesapeake Bay River Input Monitoring (RIM) stations for the period 1985 through 2015. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). Yields (represents the mass of constituent transported from a unit area of a given watershed) are used to compare the export loads from one basin to another. Yield results are obtained by dividing the annual load (pounds) of a given constituent by the respective watershed... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, load analysis, nitrogen, nutrient content, phosphorus, All tags... suspended sediment, water quality, Fewer tags Coastal wetlands of the Blackwater region, Chesapeake Bay, Maryland Note: The 2022 data release "Geospatial Characterization of Salt Marshes in Chesapeake Bay" incorporates the Blackwater region salt marsh dataset. (https://doi.org/10.5066/P997EJYB) This data release contains coastal wetland synthesis products for the geographic region of Blackwater, Chesapeake Bay, Maryland. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and others, are calculated for smaller units delineated from a digital elevation model, providing the spatial variability of physical factors that influence wetland health. The U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Blackwater National Wildlife Refuge, Chesapeake Bay, Dorchester County, Fishing Bay, Honga River, All tags... Maryland, Nanticoke River, United States, Wicomico County, coastal ecosystems, coastal processes, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, vegetation, wetland ecosystems, wetland functions, Fewer tags Animal Best Management Practice by Chesapeake Bay Watershed Region from 1985 to 2014 This metadata record covers 18 comma delimited files that support the USGS Scientific Investigations Report 2018-5022 Manure and Fertilizer Inputs to Land in the Chesapeake Bay Watershed, 1950-2014 by Jennifer Keisman, Olivia Devereux, Andrew LaMotte, Andrew Sekellick, and Joel Blomquist. The data were created by running scenarios through the Chesapeake Bay Program Partnership Phase 5.3.2 Watershed Model for years between 1985 and 2014. Scenarios include data with the reported Best Management Practice (BMP) for each year, as well as scenarios with no BMPs for each year. Data include summaries of the amount of land use change and animal BMPs reported as implemented for each year. Data originated with the Chesapeake... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: BMP, Best Management Practice, Chesapeake Bay, Geography, Land Use Change, All tags... USGS Science Data Catalog (SDC), Water Quality, Water Resources, Fewer tags Poultry Feeding Operations on the Delaware, Maryland, and Virginia Peninsula from 2016 to 2017 Data release contains two shapefiles related to poultry houses on the Delmarva Peninsula (Delaware, Eastern Shore Maryland and, Eastern Shore Virginia). One dataset is a polygon shapefile representing 6013 poultry houses identified using 2016 and 2017 aerial imagery from the U.S. Department of Agriculture's National Aerial Imagery Program (NAIP). The second dataset is a point shapefile of inactive houses which displayed similar characteristics to the active houses except were overgrown or in a state of disrepair (in some cases only the building's footprint remains). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CAFO, Chesapeake Bay, Chicken, Delaware, Delmarva, All tags... Eastern shore Maryland, Eastern shore Virginia, Geography, Land Use Change, Maryland, Poultry, Poultry Houses, USGS Science Data Catalog (SDC), Virginia, Water Resources, Wildlife Disease, farming, inlandWaters, Fewer tags Inputs and Selected Predictions of the CBTN_v5 and CBTP_v5 SPARROW Models for the Chesapeake Bay Watershed The CBTN_v5 and CBTP_v5 SPARROW models were developed to support inferences about causes of observed changes in nitrogen and phosphorus (respectively) fluxes in Chesapeake Bay tributaries between 1992 and 2012. Model inputs and outputs are included in three files, which are described below. Detailed documentation of the SPARROW modeling technique is available at https://pubs.er.usgs.gov/publication/tm6B3. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, National Water Quality Program, USGS Science Data Catalog (SDC), nutrients Floodplain sedimentation, bank erosion, and biogeochemical cycling of sediment and nutrients in Smith Creek (Virginia) 2012-2015: U.S. Geological Survey data release This USGS Data Release represents tabular data for chemical and physical attributes, rates of deposition, erosion, and mineralization of bank and floodplain sediments and soils from five study sites in the Smith Creek watershed between 2012 and 2015. The data release was produced in compliance with the new 'open data' requirements as a way to make the scientific products associated with USGS research efforts and publications available to the public. The dataset consists of 2 separate items: 1. Smith Creek floodplain soils dataset (tabular data) 2. Smith Creek bank soils dataset (tabular data) These data support the following publication: Gillespie, J.L., Noe, G.B., Hupp, C.R., Gellis, A.C., and Schenk, E.R.,... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, Massanutten Mountain Ridge, Rockingham County, VA, Shenandoah County, VA, Shenandoah Valley, All tags... USGS Science Data Catalog (SDC), floodplain, karst, mineralization, nitrogen, phosphorus, sediment budget, Fewer tags Inputs and Selected Predictions of a Differential Spatially Referenced Regression Model for 20-year Changes in Total Nitrogen in the Chesapeake Bay Watershed The core equations of the SPARROW model (Schwarz and others, 2006) were implemented in differential form using the R programming language (R Core Team, 2017), as the basis of a tool for empirically relating a regional pattern of changes in constituent flux, over a multi-year period, to spatially referenced changes in explanatory variables over the same period. A pilot implementation was developed to explore factors influencing changes in flow-normalized flux of total nitrogen over the period 1990-2010 at 43 sites in the non-tidal Chesapeake Bay watershed. Model inputs, outputs, and code are included in this data release, and are described below. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, USGS Science Data Catalog (SDC), nutrients Chesapeake Bay Nontidal Network 1985-2014: Long- and Short-Term Trends Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2014. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). The load results represent the total mass of nitrogen, phosphorus, and suspended sediment that was exported from each of the NTN watersheds. To determine the trend in loads, the annual load results are flow normalized to integrate out the year-to-year variability in river discharge.... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, load analysis, nitrogen, nutrient content, phosphorus, All tags... suspended sediment, water quality, Fewer tags Chesapeake Bay Nontidal Network 1985-2014: Monthly Loads Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2014. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). The load results represent the total mass of nitrogen, phosphorus, and suspended sediment that was exported from each of the NTN watersheds. To determine the trend in loads, the annual load results are flow normalized to integrate out the year-to-year variability in river discharge.... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, load analysis, nitrogen, nutrient content, phosphorus, All tags... suspended sediment, water quality, Fewer tags CAST Data Input Disaggregation from County and Land-River Segment Scale to National Hydrography Dataset Plus, Version 1.1 The detrimental effects of excess nutrients and sediment entering the Chesapeake Bay estuary from its watersheds have necessitated regulatory actions. Federally-mandated reductions are apportioned to bay jurisdictions based on the U.S. Environmental Protection Agency's Chesapeake Bay Time-Variable Watershed Model (CBPM). The Chesapeake Assessment Scenario Tool (CAST version CAST-19; cast.chesapeakebay.net; Chesapeake Bay Program, 2020) is a simplified, on-line version of the Phase 6 CBPM that simulates watershed nutrients delivery to the estuary using the original model's annual land-surface nutrient source and removal inputs and time-averaged climatological forecasting. Because it runs much faster than the CBPM,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Atmospheric Deposition, Biosolids, Chesapeake, Chesapeake Assessment and Scenario Tool (CAST), Chesapeake Bay, All tags... Combined Sewer Overflow, DC, DE, Fertilizer, Land Use Change, MD, Manure, NY, National Hydrography Dataset (NHD), Nitrogen Fixation and Crop Nutrient Uptake, Nutrient Inputs, PA, USGS Science Data Catalog (SDC), VA, WV, Wastewater, Septic Systems, and Rapid Infiltration Basins, Water Quality, environment, nutrient cycling, Fewer tags Chesapeake Bay Nontidal Network 1985-2014: WRTDS Output Data Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2014. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). The load results represent the total mass of nitrogen, phosphorus, and suspended sediment that was exported from each of the NTN watersheds. To determine the trend in loads, the annual load results are flow normalized to integrate out the year-to-year variability in river discharge.... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, WRTDS, load analysis, nitrogen, nutrient content, All tags... phosphorus, suspended sediment, water quality, Fewer tags Influenza A virus detected from bivalves in waterfowl habitat of the Delmarva Peninsula This data set includes information pertaining to 300 bivalve mollusk tissue samples collected from mollusk specimens from waters in eastern Maryland on the Delmarva Peninsula. Data includes source location, species, morphometric data, and IAV matrix gene detection status for the bivalve samples collected and analyzed in the associated study. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, Delmarva Peninsula, Environmental Health, USGS Science Data Catalog (SDC), Wildlife Biology, All tags... Wildlife Disease, avian influenza, mollusks, Fewer tags Digital Elevation Model (DEM) of Northern Atlantic Coastal Plain topography and bathymetry with a horizontal resolution of 100 feet and vertical unit of 1 integer foot This digital elevation model (DEM) for the Northern Atlantic Coastal Plain (NACP) from Long Island New York to northeastern North Carolina represents the elevation of the topographic and bathymetric surface at a uniform horizontal grid spacing of 100 feet and vertical units of 1 (integer) foot. The land-surface elevations are derived from U.S. Geological Survey 30-meter National Elevation Dataset (NED), and the bathymetric elevations are derived from 3 arc-second (90-meter-nominal) National Oceanic and Atmospheric Administration (NOAA) U.S. Coastal Relief Model (CRM). Horizontal coordinates are referenced to the North American Datum of 1983 (NAD 83) and vertical measurements are referenced to the North American... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Atlantic Continental Shelf, Atlantic Ocean, Baltimore Canyon, Chesapeake Bay, Delaware, All tags... Delaware Bay, Delmarva Peninsula, Eastern Maryland Shore, Eastern Virginia Shore, Fall Line, Fall Zone, Hudson River Canyon, Long Island Sound, Maryland, New Jersey, New York, North Carolina, Northern Atlantic Coastal Plain, Northern Atlantic Coastal Plain aquifer system, Raritan Bay, Virginia, alluvial valley, bathymetry, coastal lowlands, continental shelf, digital elevation model, estuarine valley, inlandWaters, physiography, submarine canyon, topography, Fewer tags Standardization and Application of an Index of Community Integrity for Waterbirds in the Chesapeake Bay This data set is comprised of five files related to the modification and scoring of Index of Waterbird Community Integrity (IWCI) scores for all waterbirds of the Chesapeake Bay. One Excel file (A) contains a list of 100+ Chesapeake waterbird species and their species attribute and IWCI scores. Another Excel file (B) contains case study data from recent surveys of breeding and migratory waterbirds in Chesapeake Bay and shoreline delineations across a disturbance gradient that were used to demonstrate the utility of the modified index. Finally, three supplemental files include an Access database (C), R code (D) and a protocol (E) for running the complex steps to calculate index scores. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Anthropogenic Disturbance, Biological Indicators, Chesapeake Bay, Ecological Integrity, Estuaries, All tags... USGS Science Data Catalog (SDC), Waterbirds, Fewer tags Ancillary Data Related to Nutrients in the Chesapeake Bay—Data Supporting Structural Equation Modeling of Nutrient Loads This data release provides ancillary data that describe potential nutrient sources and processes for total nitrogen (TN) and total phosphorus (TP) annual loads for 84 water-quality sites within the Chesapeake Bay. The purpose of the study for which these data were developed is to test causal hypotheses, using structural equation models, related to the drivers of TN and TP load in the Chesapeake Bay over the period 1985-2012. The metadata document the sources of the original data and how the estimates were derived, including estimation of missing values. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, National Water Quality Assessment Program, USGS Science Data Catalog (SDC) Effects of local shoreline and subestuary watershed condition on waterbird use influences of geography scale and season in the Chesapeake Bay This dataset is comprised of six files related to waterbird surveys and resulting Index of Waterbird Community Integrity (IWCI) scores in 21 subestuaries of the Chesapeake Bay from 2010-2014. Two .csv files (1 data file: Prosser et al 2017_IWCI Results MS_Bird Survey Raw Data.csv, 1 definitions file: Prosser et al 2017_IWCI Results MS_Bird Survey Raw Data_Definitions.csv) contain data related to raw waterbird survey data from two seasons (summer and fall). Two .csv files (1 data file: Prosser et al 2017_IWCI Results MS_Species List.csv, 1 definitions file: Prosser et al 2017_IWCI Results MS_Species List_Definitions.csv) contain data related to 60+ Chesapeake waterbird species observed in surveys and their species... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Anthropogenic Disturbance, Biological Indicators, Chesapeake Bay, Ecological Integrity, Estuaries, All tags... USGS Science Data Catalog (SDC), Waterbirds, Wildlife Disease, Fewer tags Preliminary evaluation of behavioral response of nesting waterbirds to small unmanned aircraft flight This dataset is comprised of 3 .csv files related to the use of unmanned aerial systems over waterbird colonies. Specifically, data detail the disturbance observed in birds during flights, the time required for traditional ground surveys to be conducted, and the distance at which birds flush during traditional ground surveys. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay, Chesapeake Bay, Human Impacts, Poplar Island, Species Biology, All tags... USGS Science Data Catalog (SDC), Wildlife Biology, waterbirds, Fewer tags Water bodies within 500 meters of poultry feeding operations on the Delmarva Peninsula in 2016 and 2017 Data release contains 1710 polygons representing small bodies of water within 500 meters of poultry feeding operations on the Delmarva Peninsula. Ponds were identified using the USDA's National Agriculture Imagery Program's 2016 and 2017 products. Poultry feeding operations were described in location by Soroka and Duren (2020). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Avian Influenza, Chesapeake Bay, Chicken, Delaware, Delmarva, All tags... Eastern shore Maryland, Eastern shore Virginia, Ecology, Environmental Health, Hydrology, Land Use Change, Maryland, Ponds, Poultry, Poultry Houses, USGS Science Data Catalog (SDC), Virginia, Water Resources, Waterfowl, Wildlife Biology, Wildlife Disease, Wildlife Disease, farming, inlandWaters, Fewer tags 1 2 »