Found 114 datasets matching "Nutrient sources".
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The dataset contains estimates for total nitrogen and total phosphorus loads from point sources, combined sewer overflows, wastewater treatment plants that discharge to surface water for selected...
Search relevance: 66.58 | Views last month: 0 -
Field Methods: Undisturbed streams with easy access from parallel trails and crossings within the Smoky Mt National Park will be sampled from headwater (1 or 2 order stream reaches) to main valley...
Search relevance: 64.50 | Views last month: 0 -
Publication of EPA’s Nutrient Inventory is a critical step towards thorough mapping and accounting of sources of N and P to US landscapes. However, summaries of nutrients within accumulative...
Search relevance: 52.94 | Views last month: 17 -
Wetlands provide numerous critical functions, including nutrient cycling and water quality improvement, that have made them a critical component of many state and local stewardship programs....
Search relevance: 49.45 | Views last month: 0 -
Degradation of water quality from nutrient pollution continues to be a challenge for water resource managers. The development of effective management strategies begins with tools that facilitate...
Search relevance: 45.40 | Views last month: 0 -
Under section 303(d) of the 1972 Clean Water Act, states, territories, and authorized tribes are required to develop lists of impaired waters. These impaired waters do not meet water quality...
Search relevance: 44.96 | Views last month: 1 -
The U.S. Geological Survey (USGS) developed a spatial water-quality model called SPAtially Referenced Regressions On Watershed attributes (SPARROW) to estimate the major sources and environmental...
Search relevance: 44.75 | Views last month: 0 -
Leverage existing nutrient input/output data from the Chesapeake Bay Program's CAST database to develop nitrogen and phosphorus inventories. These inventories will highlight spatiotemporal...
Search relevance: 44.75 | Views last month: 2 -
A variety of nutrient sources transported by multiple flow paths contribute to the nutrient load entering Willow Creek Lake. In addition to Willow Creek, there are several smaller tributaries that...
Search relevance: 44.46 | Views last month: 0 -
Coastal eutrophication is a prevalent threat to the healthy functioning of ecosystems globally. While degraded water quality can be detected by monitoring oxygen, nutrient concentrations, and...
Search relevance: 42.67 | Views last month: 0 -
Hydraulic connection between channels and floodplains (“connectivity”) is a fundamental determinant of ecosystem function in large floodplain rivers. Factors controlling material processing in...
Search relevance: 41.93 | Views last month: 1 -
Several USDA food composition databases, including the Food and Nutrient Database for Dietary Studies (FNDDS), Standard Reference (SR) Legacy, and the USDA Branded Food Products Database, have...
Search relevance: 41.83 | Views last month: 1 -
This dataset presents results from surface-tethered drifting sediment traps, zooplankton net tows, dissolved inorganic nutrient concentration analyses made on water column samples, and flow...
Search relevance: 41.41 | Views last month: 0 -
Jurisdictional managers have expressed concerns that nutrients from the village of Vatia, Tutuila, American Samoa, are having an adverse effect on the coral reef ecosystem in Vatia Bay. Excess...
Search relevance: 40.35 | Views last month: 0 -
Northeast Monitoring Program (NEMP) data was processed from NOS sources at NODC by Elaine Collins and Peter Pytlowany. The data were collected from the Chesapeake Bay Mouth, Delaware shelf,...
Search relevance: 39.15 | Views last month: 0 -
Chemistry data were collected or compiled from stream water, lake water, and groundwater. Stream water samples were collected more frequently to capture the range of streamflow conditions....
Search relevance: 38.54 | Views last month: 1 -
NUOnet Vision: Efficient use of nutrients to optimize production and product quality of food for animals and humans, fuel and fiber in a sustainable manner that contributes to ecosystem services....
Search relevance: 38.16 | Views last month: 2 -
The U.S. Geological Survey (USGS) is developing SPARROW models (SPAtially Related Regressions On Watershed Attributes) to assess the transport of contaminants (e.g., nutrients) through the Pacific...
Search relevance: 37.98 | Views last month: 0 -
The data presented in this dataset is invaluable for monitoring the potential of the food supply to meet nutritional needs; for examining relationships between food supply nutrients and health;...
Search relevance: 37.52 | Views last month: 19 -
Jurisdictional managers have expressed concerns that nutrients from the village of Vatia, Tutuila, American Samoa, are having an adverse effect on the adjacent coral reef ecosystem. Excess...
Search relevance: 37.12 | Views last month: 0
