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Location Folder Show Tree ROOT _ScienceBase Catalog __Sustaining Environmental Capital Initiative Difficult Run Floodplain Sediment and Nutrient Retention Ecosystem Service Datasets, Fairfax County, Virginia Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types OGC WFS Layer (2) OGC WMS Layer (2) OGC WMS Service (2) Contacts Kristina G Hopkins Rudy Schuster U.S. Geological Survey Peter R Claggett Christopher C Huber More... Tag Types Theme (1) Place (1) Harvest Set (1) Tag Schemes USGS Thesaurus (1) Common geographic areas (1) None (1) View Results as: JSON ATOM CSV Browse Folder

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 Energy Exploration and Development in the Desert Southwest Drylands make up approximately 35% of the US and 80% of DOI lands, all located in the West and especially the Colorado Plateau. Consisting of arid and semi-arid ecosystems, drylands are strongly resource-limited with low resilience and resistance to abiotic perturbations. Thus, small environmental changes often have disproportionally large ecological effects. One source of disturbance in the region is energy exploration and development (EED), which has also been a major driver of economic growth and social change in the western US for more than 100 years. In 2007, there were almost 90,000 abandoned and current wells spanning 60 years of activity on the Colorado Plateau, and the number of wells has been increasing... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Pilot Study