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Basin characteristics and point locations of road crossings in Connecticut, Massachusetts, and Rhode Island for highway-runoff mitigation analyses using the Stochastic Empirical Loading and Dilution Model This data release documents the location of intersections between roads and streams, referred to as road crossings, and associated basin characteristics to support highway-runoff mitigation analyses using the Stochastic Empirical Loading and Dilution Model (SELDM, Granato, 2013) in Connecticut, Massachusetts, and Rhode Island. The data set of road crossings was generated from the intersections of the U.S. Geological Survey (USGS) National Transportation Dataset (roads) and the StreamStats modified National Hydrography Dataset (streams) and in addition to the three-state study area, includes areas of New York, Vermont, and New Hampshire that are within drainages that cover the three states. Pertinent basin characteristics... Tags: Connecticut, Massachusetts, New England, Rhode Island, SELDM, All tags... Stochastic Empirical Loading and Dilution Model, USGS Science Data Catalog (SDC), Water Quality, Water Resources, basin characteristics, environment, highway runoff, inlandWaters, runoff, stormwater, transportation, Fewer tags Model archive for analysis of the effects of impervious cover on receiving-water quality with the Stochastic Empirical Loading Dilution Model (SELDM) Impervious runoff-discharge to receiving streams is widely recognized as one of the leading factors contributing to ecological degradation in such streams. Although there are many factors that contribute to ecological degradation with increasing development adverse effects caused by runoff quality is widely recognized as a contributing factor. The objective of this study was to simulate the flows concentrations and loads of impervious-area runoff and stormflows from an undeveloped area over a range of impervious percentages and drainage areas to examine potential relations between these variables and the quantity and quality of downstream flows. Stormwater runoff in a hypothetical stream basin that represents hydrologic... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Ecology, Environmental Health, Hydrology, Land Use Change, New England, All tags... Northeastern Coastal Zone, Runoff, Stochastic Empirical Loading and Dilution Model, Stormwater, Total Phosphorus, USGS Science Data Catalog (SDC), United States, Water Quality, Water Resources, inlandWaters, Fewer tags Model Archive for Analysis of Flows, Concentrations, and Loads of Highway and Urban Runoff and Receiving-Stream Stormwater in Southern New England with the Stochastic Empirical Loading and Dilution Model (SELDM) This data release documents the data and models used to assess flows, concentrations, and loads of highway and urban runoff and of stormwater within receiving streams in southern New England. There are more than 48,000 locations in southern New England where roads cross streams and many more locations where runoff from developed areas may discharge to receiving streams; information about runoff discharges and the quantity and quality of stormflow upstream and downstream of discharge points is needed to inform resource-management decisions. This analysis was done with a version 1.1.1 of the Stochastic Empirical Loading and Dilution Model (SELDM) that was populated with regional statistics for southern New England.... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Connecticut, Environmental Health, Federal Highway Administration, Highway runoff, Highway-Runoff Database, All tags... Hydrology, Land Use Change, Massachusetts, New England, Rhode Island, Runoff, SELDM, Stochastic Empirical Loading and Dilution Model, Stormwater, Total Maximum Daily Load (TMDL), USGS Science Data Catalog (SDC), Urban Water-Quality, Water Quality, Water Quality, Water Resources, environment, event mean concentration, runoff, southern New England, Fewer tags