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Relationships between water quality and phosphorus concentrations for Puget Sound region lakes

Journal of the American Water Resources Association

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https://doi.org/10.1111/j.1752-1688.1984.tb04726.x

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Abstract

Regression relationships were developed between summer mean total phosphorus (P) concentrations in near-surface water and both chlorophyll a concentrations and Secchi disc transparency for Puget Sound region lakes. Total P concentrations in the lakes studied ranged from 7 to 66 μ/L. The relationship between total P and chlorophyll a, based on data from 69 lakes, explained 57 percent of the variance in chlorophyll a. Predicted chlorophyll a concentrations and 95 percent confidence intervals ranged from 1 +3-0.5μg/L for 7 μg/L P to about +35-10μ/L for 66 μ/L P. The relationship between total P and Secchi disc, based on data from 71 lakes, explained 53 percent of the variance in Secchi disc. Predicted Secchi disc transparencies and 95 percent confidence intervals ranged from 5.5 +5.5-3.0 m for 7 μ/L P to 1.4 +1.5-0.7 m for 66 μ/L P.

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Relationships between water quality and phosphorus concentrations for Puget Sound region lakes
Series title:
Journal of the American Water Resources Association
DOI:
10.1111/j.1752-1688.1984.tb04726.x
Volume:
20
Issue:
3
Year Published:
1984
Language:
English
Publisher:
American Water Resources Association
Description:
8 p.
First page:
435
Last page:
442