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Includes the following files for the indicated years. Includes the following files for the indicated years. Atmospheric Deposition (atmdep) Biosolids CSO Direct Deposit Fertilizer Land Use Manure Nitrogen Fixation (nfix) Rapid Infiltration Basins (RIB) Septic Uptake Wastewater
Categories: Data
To estimate changes in nitrogen, phosphorus, and sediment loads from technologies and management practices (TMPs), the Chesapeake Bay Program Partnership's CAST model was used to run scenarios with and without TMPs for years between 1985 and 2020 for the Chesapeake Bay watershed. Scenarios were run using the native model segmentation of land-river segments and downscaled to the National Hydrography Dataset (NHD) plus version 2 catchments. The land-river segment loads were disaggregated to the National Hydrography Dataset Plus, Version 2.0 using methods described in "CAST Data Input Disaggregation from County and Land-River Segment Scale to National Hydrography Dataset Plus". The estimated total nitrogen (TN), total...
Includes the following files for the indicated years. Includes the following files for the indicated years. Atmospheric Deposition (atmdep) Biosolids CSO Direct Deposit Fertilizer Land Use Manure Nitrogen Fixation (nfix) Rapid Infiltration Basins (RIB) Septic Uptake Wastewater
Categories: Data
Includes the following files for the indicated years. Includes the following files for the indicated years. Atmospheric Deposition (atmdep) Biosolids CSO Direct Deposit Fertilizer Land Use Manure Nitrogen Fixation (nfix) Rapid Infiltration Basins (RIB) Septic Uptake Wastewater
Categories: Data
Includes the following files for the indicated years. Includes the following files for the indicated years. Atmospheric Deposition (atmdep) Biosolids CSO Direct Deposit Fertilizer Land Use Manure Nitrogen Fixation (nfix) Rapid Infiltration Basins (RIB) Septic Uptake Wastewater
Categories: Data
The detrimental effects of excess nutrients and sediment entering the Chesapeake Bay estuary from its watersheds have necessitated regulatory actions. Federally-mandated reductions are apportioned to bay jurisdictions based on the U.S. Environmental Protection Agency's Chesapeake Bay Time-Variable Watershed Model (CBPM). The Chesapeake Assessment Scenario Tool (CAST version CAST-19; cast.chesapeakebay.net; Chesapeake Bay Program, 2020) is a simplified, on-line version of the Phase 6 CBPM that simulates watershed nutrients delivery to the estuary using the original model's annual land-surface nutrient source and removal inputs and time-averaged climatological forecasting. Because it runs much faster than the CBPM,...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Atmospheric Deposition,
Biosolids,
Chesapeake,
Chesapeake Assessment and Scenario Tool (CAST),
Chesapeake Bay,
Includes the following files for the indicated years. Atmospheric Deposition (atmdep) Biosolids CSO Direct Deposit Fertilizer Land Use Manure Nitrogen Fixation (nfix) Rapid Infiltration Basins (RIB) Septic Uptake Wastewater
Categories: Data
The U.S. Department of Agriculture Natural Resources Conservation Service (NRCS) provides funding and technical assistance for the implementation of practices that enable people to conserve, maintain, or improve soil, water, and related natural resources. NRCS conservation practices, or best management practices, relate the conservation practices to conservation practice physical effects (CPPE). Physical effects are listed in the data and purpose and include effects such as nutrients and pesticides transported to surface and/or groundwater. The CPPE is published in the NRCS Field Office Technical Guide and is listed in the sources section. NRCS's CPPE includes a limited set of practices. All practices that do not...
Includes the following files for the indicated years. Includes the following files for the indicated years. Atmospheric Deposition (atmdep) Biosolids CSO Direct Deposit Fertilizer Land Use Manure Nitrogen Fixation (nfix) Rapid Infiltration Basins (RIB) Septic Uptake Wastewater
Categories: Data
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