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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Lower Mississippi-Gulf Water Science Center ___@ Lake and Reservoir Studies Geophysical surveys and geospatial data for Bob Kidd Lake, Washington County, Arkansas Map of Study Area and Phytoplankton Taxonomy in Three North Louisiana Reservoirs: Cross Lake, Bayou D'Arbonne Lake, and Poverty Point Reservoir, June 2009-February 2011 Water Quality Profile and Phytoplankton Community Data for Four Central Louisiana Oxbow Lakes, 2013-2015 Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) Contacts Lower Mississippi-Gulf Water Science Center U.S. Geological Survey William R Green Elizabeth N Heal U.S. Geological Survey - ScienceBase Water Resources Tag Types Place (1) Theme (1) USGS Scientific Topic Keyword (1) Harvest Set (1) View Results as: JSON ATOM CSV Browse Folder

Nutrient loading, flushing rate, and lake morphometry data used to identify trophic states in selected watersheds of the eastern and southeastern United States For State agencies and other water-resources managers, determining which waterbodies to allocate limited funds for protection and restoration while also maximizing cost benefit is challenging. This data release contains trophic state designations determined from secchi depth, and concentrations of chlorophyll a and microcystin at 232 lakes and reservoirs having a surface area of greater than 0.1 square kilometer in watersheds that drain to the Atlantic and eastern Gulf of Mexico coasts of the United States and in watersheds within the Tennessee River Basin. Estimates of nutrient loading (nitrogen and phosphorus, Hoos and others, 2013; Moorman and others, 2014) and flushing rates were combined with waterbody morphometry... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, Connecticut, Florida, Georgia, Hydrology, All tags... Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Northeast, Pennsylvania, Phosphorus Loads, Rhode Island, SPARROW, SPAtially Referenced Regressions On Watershed attributes (SPARROW), South Carolina, Southeast, USGS Science Data Catalog (SDC), Vermont, Virginia, Water Quality, Water Resources, West Virginia, algae, blue-green algae, cyanobacteria, eutrophication, harmful algal blooms, microcystin, morphometry, nitrogen eutrophication, nutrient loading, phosphorous, total nitrogen, Fewer tags