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Relationship between Secchi disc readings and light penetration in Lake Huron

Transactions of the American Fisheries Society

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DOI: 10.1577/1548-8659(1957)87[73:RBSDRA]2.0.CO;2

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Abstract

Fifty-seven paired photometer and Secchi disc measurements made at 18 stations in Saginaw Bay and Lake Huron support the view that a counter-clockwise current usually occurs in the Bay with more transparent Lake Huron water flowing in along the northwest shore and less transparent Bay water flowing out along the southeast shore. The average percentage transmission of surface light intensity, at the Secchi disc depth, was 14.7 percent. Discrepancies in the relationship of disc readings to percentage transmission of surface light are related to the condition of the sky and sea. It is suggested that these discrepancies can best be explained on the basis of the spectral sensitivity of the human eye and its response to surface glare.

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Relationship between Secchi disc readings and light penetration in Lake Huron
Series title:
Transactions of the American Fisheries Society
DOI:
10.1577/1548-8659(1957)87[73:RBSDRA]2.0.CO;2
Volume:
87
Year Published:
1958
Language:
English
Publisher:
Taylor & Francis
Contributing office(s):
Great Lakes Science Center
Description:
7 p.
First page:
73
Last page:
79
Online Only (Y/N):
N
Additional Online Files (Y/N):
N