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The chemical investigation of Recent lake sediments from Wisconsin lakes and their interpretation,

Author: Gilbert Carl Bortleson; United States. Environmental Protection Agency.
Publisher: Washington, U.S. Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1971 [i.e. 1972]
Dissertation: University of Wisconsin
Series: Water pollution control research series.
Edition/Format:   Thesis/dissertation : Thesis/dissertation : EnglishView all editions and formats
Summary:
To trace the effects of cultural eutrophication, one meter sediment cores were used to determine the history of calcareous and noncalcareous Wisconsin lakes. Cores were analyzed for carbon, phosphorus, calcium, magnesium, potassium, aluminum, iron, and manganese. Determinations of organic nitrogen, exchangeable ammonium and acid soluble phosphorus were made on selected sedimentary profiles. Recent sedimentation  Read more...
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Additional Physical Format: Online version:
Bortleson, Gilbert Carl, 1940-
Chemical investigation of Recent lake sediments from Wisconsin lakes and their interpretation.
Washington, U.S. Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1971 [i.e. 1972]
(OCoLC)596051075
Material Type: Thesis/dissertation, Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Gilbert Carl Bortleson; United States. Environmental Protection Agency.
OCLC Number: 380265
Notes: Prepared for the Environmental Protection Agency.
"16010 EHR 03/71."
Description: viii, 278 pages illustrations 28 cm.
Series Title: Water pollution control research series.
Responsibility: by Gilbert Carl Bartleson [i.e. Bortleson].

Abstract:

To trace the effects of cultural eutrophication, one meter sediment cores were used to determine the history of calcareous and noncalcareous Wisconsin lakes. Cores were analyzed for carbon, phosphorus, calcium, magnesium, potassium, aluminum, iron, and manganese. Determinations of organic nitrogen, exchangeable ammonium and acid soluble phosphorus were made on selected sedimentary profiles. Recent sedimentation rates and identification of pre- and postcultural sediments were determined by ragweed pollen. Enrichment of phosphorus in postcultural Lake Mendota, Wisconsin, sediments are the effect of increased phosphorus supply from domestic sewage. Chemical stratigraphy of concentration-depth diagrams permit a qualitative evaluation of cultural activities. Potentialities and limitations of using recent lake sediments to evaluate eutrophication are discussed.

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