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OLS Field Name OLS Field Data
Main Title Assessment of nitrogen loads to aquatic systems /
Author Patwardhan, Avinash S. ; Donigian, A. S.
Other Authors
Author Title of a Work
Donigian, Anthony S.
Barnwell, Thomas O.
CORP Author AQUA TERRA Consultants, Mountain View, CA.;Environmental Protection Agency, Athens, GA. National Exposure Research Lab.
Publisher U.S. Environmental Protection Agency, National Exposure Research Laboratory,
Year Published 1996
Report Number EPA/600/R-95/173; EPA-68-CO-0019
Stock Number PB97-125421
Subjects Groundwater--Pollution. ; Atmospheric nitrogen.
Additional Subjects Nitrogen ; Aquatic ecosystems ; Loading ; Acid rain ; Water quality ; Water pollution sources ; Environmental impact assessments ; Deposition ; Sensitivity analysis ; Data collection ; Data analysis ; Chesapeake Bay ; Tampa Bay ; Galveston Bay
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
NTIS  PB97-125421 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation 100 pages : maps, tables ; 28 cm
Abstract Estimates of the contributions of atmospheric nitrogen deposition to Chesapeake Bay, Galveston Bay, and Tampa Bay are reported. The estimates are based on a refinement of a methodology developed by the Environmental Defense Fund in a 1988 study of Chesapeake Bay. The three-embayment study employed a spreadsheet methodology that produced estimates of nitrogen loadings from various nitrogen sources found in each of the study areas. Sensitivity analysis showed that atmospheric deposition has a significant effect on the nitrogen loadings delivered to the aquatic systems. More than 40% of the total nitrogen loads to the three systems resulted from nitrogen deposition.
Notes "EPA/600/R-95/173." "EPA Contract No. 68-C0-0019." "Work Assignment No. 27(II)." Includes bibliographical references (pages 66-68). Microfiche.
Place Published Athens, Ga. :
Supplementary Notes Sponsored by Environmental Protection Agency, Athens, GA. National Exposure Research Lab.
Availability Notes This product may be ordered from NTIS by phone at (703)487-4650; by fax at (703)321-8547; and by email at 'orders@ntis.fedworld.gov'. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA.
Corporate Au Added Ent United States. Environmental Protection Agency. Region IV. ; National Exposure Research Laboratory (U.S.). ; AQUA TERRA Consultants.
PUB Date Free Form 1995.
NTIS Prices PC A06/MF A02
BIB Level m
Cataloging Source OCLC/T
OCLC Time Stamp 20011119184445
Language eng
Origin NTIS
OCLC Rec Leader 01356nam 2200337Ka 45020