Record Display for the EPA National Library Catalog


Main Title Watershed manipulation project: rationale for hypothesis formulation and testing, {microfiche} / by Kent W. Thornton, et al.
Author Thornton. Kent W. ; Wigington, P. J.
Other Authors
Author Title of a Work
Morrison, Marilyn.
Kern, Jeffrey.
Hughes, Larry.
Malcolm, James.
Thornton, Kent.
Lee, Jeffrey J.
CORP Author Corvallis Environmental Research Lab., OR. ;FTN Associates, Little Rock, AR.
Publisher U.S. Environmental Protection Agency, Office of Research and Development, Environmental Research Lab,
Year Published 1991
Report Number EPA/600/3-91/006
Stock Number PB91-159616
Additional Subjects Water pollution control ; Acidification ; Mathematical models ; Hypotheses ; Land pollution ; Sulfates ; Water chemistry ; Long term effects ; Experimental design ; Surface waters ; Deposition ; Acid rain ; Cations ; Decision making ; Air pollution ; Manipulators ; Air water interactions ; Spatial distribution ; Temporal distribution ; Error analysis ; Substitutes ; Watershed Manipulation Project ; Aquatic Effects Research Program ; Direct/Delayed Response Project
Library Call Number Additional Info Location Last
NTIS  PB91-159616 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 67 p. ; 28 cm.
The Watershed Manipulation Project (WMP) was implemented by EPA to: identify and quantify the relative importance of various processes in controlling surface water acidification with particular emphasis on the role of sulfate adsorption and base cation supply in the long-term watershed response to acidic deposition; assess the quantitative and qualitative watershed response to various levels of acidic deposition; and evaluate the assumptions that underlie the Direct/Delayed Response Project (DDRP) models and their ability to predict short-term watershed responses to experimental manipulation. These objectives will be achieved through a series of experiments at various spatial and temporal scales ranging from laboratory, plot, hillslope, and catchment manipulations. The document presents the rationale for these hypotheses, their importance for WMP objectives, the probability of a conclusive outcome, and the decision criteria that will be used, and in general terms, the experimental approach.
"Jeffrey J. Lee, project officer." "February 1991."