Phosphorus water quality model evaluation and comparison for natural and constructed wetlands /

accurately predicted total phosphorus outflow concentration

Bibliographic Details
Main Author: Paasch, Mary Margaret
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1998.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:accurately predicted total phosphorus outflow concentration
and the Des Plaines River Wetland Demonstration Project,
Area, Florida; Jackson Bottom Experimental Wetlands, Oregon;
concentrations in receiving waters are a prime concern due to
consistently over-predicted annual phosphorus retention, the
Constructed and natural wetlands have been used to treat
ecosystem model, were evaluated at three wetland sites across
Illinois. The mass balance model with first order areal
model provided the smallest average percent error for annual
models, the mass balance model with first order areal uptake,
outflow concentration, with percent error ranging from -6.8 %
percent error in both outflow concentration and annual
phosphorus outflow concentrations and annual phosphorus
phosphorus retention. However, the detailed model most
retention within treatment wetlands. Three phosphorus
retention, with percent error ranging from 0. I % to 6.9 %.
The detailed ecosystem model yielded the highest average
the role phosphorus plays in freshwater lake eutrophication.
the U.S. The three sites included: Boney Marsh Experimental
the Vollenweider-based wetland model, and the detailed
to 6.0 %. Although the Vollenweider-based wetland model
trends at all three of the wetland sites.
uptake provided the smallest average percent error for
Various numerical models have been developed to predict total
wastewater from both point and nonpoint sources. Phosphorus
Item Description:"Major subject: Agricultural Engineering".
Vita.
Physical Description:xiv, 164 leaves : illustrations, maps ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 133-142.