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Ground-Water Vulnerability to Nitrate Contamination at Multiple ...
pubs.usgs.gov/sir/2004/5118/
At a management threshold of 10 milligrams per liter (corresponding to the U.S. Environmental Protection Agency standard for nitrate in drinking water ...
[PDF] Nitrate Contamination in the - USGS Publications Warehouse
pubs.usgs.gov/fs/2004/3067/report.pdf
Cullinan, K.A., 2005, Ground- water vulnerability to nitrate con tamination at multiple thresholds in the Mid-Atlantic Region using spatial ...
Synthesis of U.S. Geological Survey Science for the Chesapeake Bay ...
www.usgs.gov/centers/chesapeake-bay-activities/science/synthesis-us-geological-survey-science-chesapeake-bay
Results from USGS collaboration with USEPA to assess ground-water vulnerability to nitrogen (Greene and others, 2005) also were used to assess the ...
Probability of nitrate concentrations exceeding multiple thresholds in ...
www.usgs.gov/data/probability-nitrate-concentrations-exceeding-multiple-thresholds-shallow-groundwater-mid
This data release consists of rasters representing the probability of exceeding multiple thresholds of nitrate in shallow groundwater for the Mid-Atla ...
USGS Links for HUC 02070010 - Middle Potomac-Anacostia-Occoquan
water.usgs.gov/lookup/getwatershed?02070010
Groundwater Discharge and Base Flow Nitrate Loads of Nontidal Streams, and Their Relation to a Hydrogeomorphic Classification of the Chesapeake Bay ...
USGS Links for HUC 02060001 - Upper Chesapeake Bay
water.usgs.gov/lookup/getwatershed?02060001
Ground-Water Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region Using Spatial Probability Models - Changes in ...
Ground-water vulnerability to nitrate contamination at multiple ...
pubs.usgs.gov/publication/sir20045118
At a management threshold of 10 milligrams per liter (corresponding to the U.S. Environmental Protection Agency standard for nitrate in drinking water ...
Ground-Water Vulnerability to Nitrate Contamination in the Mid-Atlantic ...
pubs.usgs.gov/fs/2004/3067/
During the last 3 years, the USEPA and the USGS have been conducting regional assessments of ground-water quality to develop estimates of regional gro ...
Ground-water vulnerability to nitrate contamination in the mid-atlantic ...
www.usgs.gov/publications/ground-water-vulnerability-nitrate-contamination-mid-atlantic-region
Ground-water vulnerability to nitrate contamination in the mid-atlantic region June 1, 2005 ... and other geographic data to develop ...
[PDF] USGS Publications Warehouse
pubs.usgs.gov/sir/2004/5118/SIR2004-5118.pdf
2 Ground-Water Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region Introduction The U.S. Environmental Protection ...
National look at nitrate contamination of Ground Water - USGS
water.usgs.gov/nawqa/nutrients/pubs/wcp_v39_no12/
The risk of ground-water contamination by nitrate depends both on the nitrogen input to the land surface and the degree to which an aquifer is ...
USGS Links for HUC 02060003 - Gunpowder-Patapsco
water.usgs.gov/lookup/getwatershed?02060003/www/cgi-bin/lookup/getwatershed
Ground-Water Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region Using Spatial Probability Models - Changes in ...
Earl Greene | U.S. Geological Survey - USGS.gov
www.usgs.gov/staff-profiles/earl-greene
Ground-water vulnerability to nitrate contamination at multiple thresholds in the mid-Atlantic region using spatial probability models The U.S ...
Albuquerque Region Nitrate Map Viewer - USGS
webapps.usgs.gov/nmnitrate/
Multiple lines of geochemical evidence point towards naturally occurring subsoil nitrate as a major contributor to high groundwater nitrate ...
USGS Circular 1316 Chapter 4: Transport of Nitrogen in Ground Water
pubs.usgs.gov/circ/circ1316/html/circ1316chap4.html
Figure 4.1. The probability of nitrate concentrations in ground water exceeding 3 milligrams per liter in the Mid-Atlantic Region (modified from ...
Ground-water vulnerability to nitrate contamination in the mid-atlantic ...
pubs.usgs.gov/publication/fs20043067
The models were developed and applied to produce spatial probability maps showing the likelihood of elevated concentrations of nitrate in the region ...
Ground-water vulnerability to nitrate contamination in the mid-atlantic ...
www.usgs.gov/index.php/publications/ground-water-vulnerability-nitrate-contamination-mid-atlantic-region
The U.S. Environmental Protection Agency?s (USEPA) Regional Vulnerability Assessment (ReVA) Program has developed a set of statistical tools to ...
Groundwater quality, age, and susceptibility and vulnerability to ...
www.usgs.gov/publications/groundwater-quality-age-and-susceptibility-and-vulnerability-nitrate-contamination
The mid-level (5.0 mg/L) vulnerability model using 48 samples (two outliers removed) produced the best overall fit and was related to the same ...
Nitrate and selected pesticides in ground water of the Mid-Atlantic region
pubs.usgs.gov/publication/wri974139
Data from more than 850 sites were compiled and analyzed to document the occurrence of nitrate and pesticides in ground water of the Mid-Atlantic regi ...