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RECORD NUMBER: 17 OF 35

Main Title Index to Evaluate Lake Restoration.
Author Porcella, Donald B. ; Peterson, Spencer A. ; Larsen, David P. ;
CORP Author Corvallis Environmental Research Lab., OR.
Year Published 1980
Report Number EPA-600/J-80-402;
Stock Number PB83-151761
Additional Subjects Renovating ; Lakes ; Water pollution ; Evaluation ; Limnology ; Phosphorus ; Nitrogen ; Chlorophylls ; Transparence ; Oxygen ; Dissolved gases ; Aquatic plants ; Mathematical prediction ; Reprints ;
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NTIS  PB83-151761 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 21p
Abstract A lake evaluation index (LEI) is proposed to express the overall quality of lake water based on a mathematical combination of the commonly measured limnological variables total phosphorus, total nitrogen, chlorophyll, Secchi depth, dissolved oxygen, and macrophyte coverage. Values used in the LEI are averages for the July-August period. Macrophyte coverage is expressed as the percent of the area which could potentially be occupied actually. The LEI was developed to express the overall change in water quality that might occur when lakes are restored and to evaluate the effectiveness of various treatment methods for a wide variety of lakes.
Supplementary Notes Pub. in Jnl. of the Environmental Engineering Division, ASCE, v106 nEE6, Proc. paper 15893, p1151-1169 Dec 80.
NTIS Title Notes Journal article.
Title Annotations Reprint: Index to Evaluate Lake Restoration.
PUB Date Free Form 1980
Category Codes 8H; 68D; 48G
NTIS Prices PC A02/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 307821113
Origin NTIS
Type CAT