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Location Folder Show Tree ROOT _ScienceBase Catalog __Chesapeake and Delaware Floodplain Network FACET Ancillary Data Published Data Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) OGC WMS Service (2) Contacts Kristina G Hopkins South Atlantic Water Science Center Gregory Noe Marina J Metes U.S. Geological Survey - ScienceBase More... Categories Data (1) Tag Types Theme (4) Place (4) USGS Scientific Topic Keyword (2) Harvest Set (3) Label (1) Tag Schemes Common geographic areas (2) USGS Thesaurus (2) Marine Realms Information Bank (MRIB) keywords (1) Alexandria Digital Library Feature Type Thesaurus (1) Geographic Names Information System (GNIS) (1) None (1) View Results as: JSON ATOM CSV Browse Folder

Geomorphometry for Streams and Floodplains in the Chesapeake and Delaware Watersheds Geomorphometry for Streams and Floodplains in the Chesapeake and Delaware Watersheds was generated as part of the project Quantifying Floodplain Ecological Processes and Ecosystem Services in the Delaware River Watershed funded through the William Penn Foundation's Delaware Watershed Research fund. This dataset contains geomorphometry for streams and floodplains in the Chesapeake and Delaware River watersheds. Geomorphometry is a quantitative representation of landscape surface form (e.g., channel width and depth) obtained from digital elevation models (DEMs). The dataset contains geomorphometry derived from running 3-m DEMs through the Floodplain and Channel Evaluation Tool (FACET) version 0.1.0. FACET generates... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay Watershed, Delaware River Basin, Floodplain, Floodplain, Geomorphology, All tags... Geomorphology, Geospatial, Hydrography, Lidar, Mapping, Remote Sensing, River, Stream, Streambank, Water Resources, geospatial, lidar, mapping, remote sensing, streambank, Fewer tags Predictions of floodplain and streambank geomorphic change and flux of sediment and nutrients, and streambed characteristics, for stream reaches in the Chesapeake Bay and Delaware River watersheds Input predictor variables and output predictions from statistical modeling of floodplains, streambanks, and streambeds for each NHDPlusV2 stream reach in the Chesapeake Bay and Delaware River watersheds of the U.S. Mid-Atlantic. Random Forest statistical models using either 1) characteristics of upstream drainage area, or 2) characteristics of upstream drainage area (Wieczorek et al. 2018, https://doi.org/10.5066/f7765d7v) and reach geomorphometry (Hopkins et al. 2020, https://doi.org/10.5066/P9RQJPT1), were used to explain and predict spatial variation in measured floodplain and streambank flux of sediment, fine sediment, sediment-C, sediment-N, and sediment-P and rates of geomorphic change, and streambed sediment... Categories: Data; Tags: Chesapeake Bay, Delaware, District of Columbia, Ecology, Geochemistry, All tags... Geomorphology, Hydrology, Maryland, New Jersey, New York, Pennsylvania, Remote Sensing, Soil Sciences, USGS Science Data Catalog (SDC), Virginia, Water Quality, West Virginia, banks (hydrographic), channels, drainage basins, floodplains, sediment, sediment deposition, sediment erosion, sediment geochemistry, sediment sinks, sediment sources, Fewer tags Stream Channel and Floodplain Metric Toolbox NOTE: the Stream Channel and Floodplain Metric Toolbox has been superseded by a newer tool, FACET. The Stream Channel and Floodplain Metric Toolbox was developed to demonstrate the feasibility of mapping fluvial geomorphic features from high-resolution bare-earth elevation data. A Python toolbox for ArcGIS was built to calculate key metrics describing channel and floodplain geometry. Channel and Floodplain Metric Toolbox provides this ability in an automated fashion, allowing for regional analyses based solely on digital elevation models (DEMs). This manual describes the general operation of the toolbox and technical details describing the specific algorithms. The toolbox works best in a watershed no larger than... Tags: Fairfax County, Software, USGS Science Data Catalog (SDC), Virginia, geomorphology, All tags... sedimentation, topography, Fewer tags Difficult Run Floodplain Sediment and Nutrient Retention Ecosystem Service Datasets, Fairfax County, Virginia Datasets used to quantify and value the ecosystem service of sediment and nutrient retention for floodplains within the Difficult Run watershed located in Fairfax County, Virginia. Geospatial datasets include a digital elevation model (DEM), a hydrologically conditioned DEM, output from the USGS Stream Channel and Floodplain Metric Toolbox, and field data sets used to develop regression models to predict sediment and nutrient retention services for stream within the Difficult Run watershed. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Difficult Run, Fairfax, USGS Science Data Catalog (SDC), Virginia, ecosystem functions, All tags... ecosystem services valuation, geomorphology, geospatial datasets, river reaches, Fewer tags