Relationship between Secchi disc readings and light penetration in Lake Huron
Transactions of the American Fisheries Society
By: Alfred M. Beeton
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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.
| 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 |
| Google Analytic Metrics | Metrics page |