Found 229 datasets matching "nitrogen transport".
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A synthesis of data mined from USGS publicly available data. This dataset is not publicly accessible because: Data is owned by University of Maryland. It can be accessed through the following...
Search relevance: 124.25 | Views last month: 0 -
A steady-state groundwater flow model, using MODFLOW-NWT, was developed to better understand groundwater flow in coastal Connecticut and adjacent areas of New York and Rhode Island. Aquatic...
Search relevance: 116.24 | Views last month: 0 -
Geochemical data were obtained to investigate the fate and transport of nitrogen in a subterranean estuary near East Falmouth, Massachusetts. The goal of this investigation was to assess nitrogen...
Search relevance: 102.55 | Views last month: 0 -
Geochemical data were obtained to investigate the fate and transport of nitrogen in a subterranean estuary near East Falmouth, Massachusetts. The goal of this investigation was to assess nitrogen...
Search relevance: 98.85 | Views last month: 0 -
This project seeks to develop and apply an assessment of shellfish growing area (SGA) vulnerability to closures caused by watershed- and marine-derived pathogens. Using empirical data and...
Search relevance: 94.81 | Views last month: 0 -
This data release provides analytical and other data in support of an analysis of nitrogen transport and transformation in groundwater and in a subterranean estuary in the Eel River and onshore...
Search relevance: 87.56 | Views last month: 0 -
This field study was designed to test different methods for measuring water and nutrient transport throughout the vadose zone. A pilot study was implemented to determine the feasibility of...
Search relevance: 73.16 | Views last month: 4 -
A groundwater flow model simulating average monthly conditions, using MODFLOW6, was developed to better understand groundwater flow and groundwater-transported nitrogen loads in coastal...
Search relevance: 72.78 | Views last month: 0 -
This data release includes 5 files containing model inputs and resulting model predictions. A previously-calibrated spatially referenced regression (SPARROW) model was used to estimate effects of...
Search relevance: 65.36 | Views last month: 0 -
The EPACT Instrument on Wind STEP - SupraThermal Energetic Particle Telescope measures Ion Fluxes of Protons (H) in 0.12.5 MeV Energy Range and He-Fe Nuclei in the ~0.032 MeV/nucleon Energy Ranges...
Search relevance: 55.09 | Views last month: 0 -
This dataset provides modeled estimates of annual nitrous oxide (N2O) emissions at a coarse geographic scale (0.5 x 0.5 degree) for two sets of global rivers and streams covering the period of...
Search relevance: 50.73 | Views last month: 2 -
High latitude, boreal watersheds are nitrogen-limited ecosystems that export large amounts of organic carbon. Key controls on carbon cycling in these environments are the biogeochemical processes...
Search relevance: 49.76 | Views last month: 0 -
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...
Search relevance: 48.37 | Views last month: 0 -
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: 47.64 | Views last month: 0 -
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...
Search relevance: 47.62 | Views last month: 0 -
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...
Search relevance: 47.48 | Views last month: 0 -
This global data set of photosynthetic rates and leaf nutrient traits was compiled from a comprehensive literature review. It includes estimates of Vcmax (maximum rate of carboxylation), Jmax...
Search relevance: 45.13 | 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: 43.16 | Views last month: 0 -
To better understand the influence of human activities and natural processes on surface-water quality, the U.S. Geological Survey (USGS) developed the SPARROW (SPAtially Referenced Regressions On...
Search relevance: 42.70 | Views last month: 0 -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal...
Search relevance: 42.17 | Views last month: 0
