| Main Title |
Nitrogen bounding study : methods for estimating the relative effects of sulfur and nitrogen deposition on surface water chemistry. |
| Author |
Van Sickle, J. ;
Church, M. R.
|
| Other Authors |
|
| CORP Author |
ManTech Environmental Research Services Corp., Corvallis, OR. Environmental Research Lab.;National Health and Environmental Effects Research Lab., Corvallis, OR. |
| Publisher |
U.S. Environmental Protection Agency., |
| Year Published |
1995 |
| Report Number |
EPA/600/R-95/172; EPA-68-C4-0019 |
| Stock Number |
PB96-133921 |
| Additional Subjects |
Watersheds ;
Nitrogen ;
Deposition ;
Water quality ;
Models ;
Leaching ;
Saturation ;
Acidification ;
Surface water ;
Sulfur
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB96-133921 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
131 pages ; 28 cm |
| Abstract |
The leaching of atmospherically deposited nitrogen from forested watersheds may acidify lakes and streams. The Nitrogen Bounding Study evaluates the potential range of such adverse effects. The study estimates bounds on changes in regional-scale surface water acidification that might occur over the next 50 years across a broad range of scenarios of nitrogen and sulfur deposition and times to watershed nitrogen saturation. Computer simulations using a modified version of the Model of Acidification of Groundwater in Catchments were performed for 36 lake catchments in the Adirondack Mountains of New York, 29 stream catchments in the Mid-Appalachian Plateau, and 30 stream catchments in the Southern Blue Ridge Mountains. For each of the three regions and each scenario, the simulation modeling provided projections of the percentage of a specified target population of lakes or streams that could be chronically affected. The report documents the methods and assumptions of the study and presents tables and graphs of results. |
| Notes |
"EPA/600/R-95/172." "PB96-133921." "September 1995." Microfiche. |
