Folders: ROOT > ScienceBase Catalog > USGS Maryland, Delaware, and the District of Columbia Water Science Center > Public Data Releases ( Show all descendants )
98 results (11ms)
Location
Folder
ROOT _ScienceBase Catalog __USGS Maryland, Delaware, and the District of Columbia Water Science Center ___Public Data Releases
Filters
Date Range
Extensions Types Contacts
Categories Tag Types Tag Schemes |
The data presented here contain quasi-event hydrologic response characteristics for quickflow response intervals (QRIs) calculated at 57 USGS GAGES-II reference watersheds in the western US. Each row in the attached csv contains characteristics for an individual QRI at one site. QRI characteristics include duration, antecedent flow, input, input rate,peak flow, potential evapotranspiration, quickflow, and quickflow/input (effectively a runoff ratio). This data release supports the publication "Sub-annual streamflow responses to rainfall and snowmelt inputs in snow-dominated watersheds of the western U.S." in Water Resources Research.
Categories: Data;
Tags: Geography,
Hydrology,
USGS Science Data Catalog (SDC),
Water Resources,
inlandWaters,
A digital map of the thickness of the surficial unconfined aquifer, including from the land surface and unsaturated zone to the bottom of sediments of geologic units identified as part of the surficial aquifer, was produced to improve understanding of the hydrologic system in the Maryland and Delaware portions of the Delmarva Peninsula. The map is intended to be used in conjunction with other environmental coverages (such land use, wetlands, and soil characteristics) to provide a subsurface hydrogeologic component to studies of nitrate transport that have historically relied on maps of surficial features. It could also be used to study the transport of other water soluble chemicals. The map was made using the...
Types: Citation;
Tags: Aquifer Thickness,
Coastal Plain,
Coastal Plain Aquifer,
Delaware,
Groundwater,
This data release includes five comma delimited tables that support a pilot study on identifying and monitoring source sediment fingerprints within Stony Clove Creek, Catskills, NY. These tables consist of sediment particle size information, elemental analysis results, stable isotope analysis results, and percent fines for the samples collected. "SourceSamples_Info.csv" and "TargetSamples_Info.csv" contain the fine sediment yields for each individual source and target sample, respectively. "SourceSamples_noRoad.csv" and "TargetSamples_halfDL.csv" contain the elemental, stable isotope, and grain size results for each individual source and target sample, respectively. "ReportingLimits.csv" contains the elemental reporting...
This data release presents a time series of aerial imagery and derived structure-from-motion (SfM) products collected along the Delaware Atlantic coast with a piloted fixed-wing aircraft. U.S. Geological Survey (USGS) researchers use the aerial imagery and products to assess topographic and landscape change, evaluate nesting habitats for wildlife, and for understanding coastal vulnerability and response to disturbance events. Products include three-dimensional (3D) point clouds and digital elevation models, and orthomosaic images (RGB-averaged products) created from aerial imagery surveys with precise Global Navigation Satellite System (GNSS) data. The products span the coast over both highly developed towns and...
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Coastal,
Delaware,
Digital Elevation Models (DEMs),
East Coast,
Geography,
This dataset contains annual flow metrics quantifying drought and low streamflows for USGS GAGES-2 gages in the contiguous U.S. satisfying data completeness checks for the periods 1921-2020, 1951-2020, and 1981-2020. The dataset also contains annual climate variables from the USGS Monthly Water Balance Model (MWBM). The dataset provides trend analysis outputs for annual drought and low flow metrics for the periods 1921-2020, 1951-2020, and 1981-2020. Finally, we include six R language code files that were used to create the values included in this release as summarized in the process step section.
Categories: Data;
Tags: NCCWSC,
USGS Science Data Catalog (SDC),
USGS:618460d9d34ec04fc9c00082,
United States,
biota,
This dataset contains annual metrics quantifying low streamflows, climate, topography, land cover and geology for 325 USGS GAGES-2 watersheds within the Delaware River Basin boundary or with watershed centroids within a 25-mile buffer of the Delaware River Basin boundary.
Categories: Data;
Tags: Delaware River Basin,
USGS Science Data Catalog (SDC),
Water Resources,
surface water (non-marine)
This metadata record describes a series of data sets of natural and anthropogenic landscape features linked to NHDPlus Version 2.1’s (NHDPlusV2) approximately 2.7 million stream segments, their associated catchments, and their upstream watersheds within the conterminous United States. The data were linked to four spatial components of NHDPlusV2: individual reach catchments, riparian buffer zones around individual reaches, reach catchments accumulated downstream through the river network, and riparian buffer zones accumulated downstream through the river network. All data can be linked to NHDPlus using the COMID field in these tables and the ComID in the flowline shapefiles or FEATUREID in the catchment ones in the...
Dataset contains a polygon shapefile representing poultry houses in the Upper Choptank watershed in Queen Anne's County, Maryland, and Kent County, Delaware.
This data release contains low-streamflow trend results from 183 U.S. Geological Survey (USGS) streamgages and precipitation trend results from gaged watersheds within the Chesapeake Bay Watershed. Data include streamgage identification number, trend slopes and significance for several low-streamflow and precipitation metrics.
Categories: Data;
Tags: Chesapeake Bay Watershed,
Chesapeake Bay Watershed,
Hydrology,
Streamflow,
USGS Science Data Catalog (SDC),
This dataset contains water-use estimates for 2015 that are aggregated to the county level in the United States. The U.S. Geological Survey's (USGS's) National Water Use Science Project is responsible for compiling and disseminating the Nation's water-use data. Working in cooperation with local, State, and Federal agencies, the USGS has published an estimate of water use in the United States every 5 years, beginning in 1950. Water-use estimates aggregated to the State level are presented in USGS Circular 1441, "Estimated Use of Water in the United States in 2015" (Dieter and others, 2018). This dataset contains the county-level water-use data that support the state-level estimates in Dieter and others 2018. This...
Categories: Data,
Data Release - Revised;
Tags: USGS Science Data Catalog (SDC),
United States,
Water Resources,
aquaculture,
aquaculture water use,
This model archive documents the Soil-Water-Balance (SWB) model used to simulate potential recharge for portions of Pennsylvania and Maryland from 2000 to 2021. The Pennsylvania and Maryland SWB model was used to create output at a 250 meter grid scale. Model parameters were adjusted using baseflow estimates from 36 reference watersheds varying in area from 0.37 to 817 square miles. The simulations were used to create 21-year grids of annual potential recharge and evapotranspiration, and the sensitivity of the model to parameter adjustments. The model archive includes all the files used in the sensitivity model runs, which are described in the accompanying Scientific Investigations Report 2022-5054. The directory...
This data release includes one comma delimited table that represents a summary of source and target samples collected for White Clay Creek between 2020 and 2023, in support of sediment fingerprinting modelling. This table contains sediment sample information and results of particle size, elemental composition, and fallout radionuclide analyses. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. First posted - October 18, 2023 (available from author). Revised - March 28, 2024 (version 2.0). This data release has been revised to include data from samples collected in 2023 that were not published in version 1.0.
Categories: Data,
Data Release - Revised;
Tags: Geochemistry,
Geomorphology,
Hydrology,
Pennsylvania,
Piedmont,
The U.S. Department of Agriculture Natural Resources Conservation Service (NRCS) provides funding and technical assistance for the implementation of practices that enable people to conserve, maintain, or improve soil, water, and related natural resources. NRCS conservation practices, or best management practices, relate the conservation practices to conservation practice physical effects (CPPE). Physical effects are listed in the data and purpose and include effects such as nutrients and pesticides transported to surface and/or groundwater. The CPPE is published in the NRCS Field Office Technical Guide and is listed in the sources section. NRCS's CPPE includes a limited set of practices. All practices that do not...
Snow persistence (SP) or the snow cover index (SCI), is the fraction of time that snow is present on the ground for a defined period. Cloud covered index (CCI) is the fraction of time that there is no data, cloud, or sensor saturation for the same period. SP and CCI were calculated on a pixel by pixel basis using MODIS/Terra Snow Cover 8-Day L3 Global 500m Grid, Collection 6 obtained from the National Snow and Ice Data Center (NSIDC). January 1 – July 3 SP was calculated for each year as the fraction of 8-day MODIS images with snow present. The selected period brackets the temporal extent of peak snow accumulation to complete snow ablation in most parts of the western United States. The July 3 date is used because...
This metadata record documents a rudimentary estimate of nitrogen from septic for the conterminous United States for 2010, derived from block-group 1990 and 2010 Decennial Census of Population and Housing data. Specifically, the data were computed from 1990 population and housing data where a ratio of the total population to the people on septic was obtained and applied to 2010 population data by block group. All input data were acquired from the National Historical Geographic Information System (NHGIS, Manson and others, 2017). The amount of nitrogen in pounds per person per year was derived from documentation supporting the Chesapeake Bay Program’s Phase 5.3 Community Watershed Model (USEPA, 2010). The Supplemental...
This data release contains input and output data tables from a SPAtially Referenced Regression On Watershed attributes (SPARROW) model, which estimated total nitrogen loads in streams of the Chesapeake Bay watershed under varying better management practice implementation scenarios. Further documentation about the SPARROW modeling framework can be found here: https://pubs.er.usgs.gov/publication/tm6B3. A model archive containing inputs, outputs, code, and helpful spatial data is also included as a zipped folder. This model archive can be used to recreate the output provided in this data release. The model archive includes a read me text file that documents the contents of the archive and how it can be used. SPARROW_Inputs.csv...
This metadata record describes the 30 year (1990-2019) annual average difference between precipitation potential evapotranspiration in millimeters in geotiff format. The source data is based on the ClimGrid netcdf data for precipitation and temperature (Wieczorek and others, 2022). Units are millimeters.
Categories: Data;
Types: Downloadable,
GeoTIFF,
Map Service,
Raster;
Tags: Climatology,
Conterminous United States,
Geography,
Hydrology,
USGS Science Data Catalog (SDC),
This dataset describes the location of channel heads survyed in two headwater watersheds in Clarksburg, Montgomery County, Maryland, and the digital elevation models derived from light detection and ranging (lidar) covering the two watersheds. The digital elevation models were used to derive topographic attributes used to delineate drainage networks that were then assessed for accuracy using the field-surveyed channel heads. First posted - January 21, 2021 (available from author) Revised - October 15, 2021 (version 2.0)
Categories: Data,
Data Release - Revised;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Maryland,
USGS Science Data Catalog (SDC),
drainage basins,
land surveying,
river systems,
This dataset is a collection of hyperspectral imagery profiles of algae, many associated with Harmful Algae Blooms (HABs). Data were collected using a microscope-based hyperspectral imaging system with the cooperation of the National Institute of Standards and Technology. Samples were collected from U.S. Geological Survey (USGS) water quality sampling efforts, to include water quality parameters and algal biomass. Data are shown in basic hyperspectral imagery form, normalized to 1.
Categories: Data;
Tags: Blue Mesa Reservoir, CO,
Blue River,
Clackamas,
Cougar Reservoir,
Crane Prairie Reservoir,
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,
|
|
