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Physical, chemical, and biological characteristics of Ross Lake, Snohomish County, Washington

Water-Resources Investigations Report 78-44

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Abstract

A study of the physical, chemical, and biological characteristics of Ross Lake in 1975 showed that the lake has no well-defined surface-water inflow and that thermal stratification is well established in summer. The water is of a calcium bicarbonate type, which is typical of lakes in western Washington. Biological productivity in the lake was low, as indicated by low to moderate chlorophyll a concentrations, by the general lack of submerged plants on the lake bottom, and by the moderate dissolved-oxygen depletion in the deeper zones during thermal stratification. The productivity probably was limited by the amount of phosphorus available. Increased productivity and the resulting growth of nuisance plants in the lake can be avoided by limiting phosphate inputs to their present or lesser rates. (Woodard-USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Physical, chemical, and biological characteristics of Ross Lake, Snohomish County, Washington
Series title:
Water-Resources Investigations Report
Series number:
78-44
Edition:
-
Year Published:
1979
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
iv, 15 p. :ill., map ;28 cm.