Lacustrine organic geochemistry—an overview of indicators of organic matter sources and diagenesis in lake sediments
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TLDR
The factors affecting the amounts and types of organic matter in lacustrine sediments are summarized in a review, and synthesis, of published studies as discussed by the authors, and the interplay of the factors influencing the organic matter content of lake sediments is illustrated by overviews of sedimentary records of four lake systems--Lake Biwa (Japan), Lake Greifen (Switzerland), Lake Washington (Pacific Northwest), and the Great Lakes (American Midwest).About:
This article is published in Organic Geochemistry.The article was published on 1993-09-01 and is currently open access. It has received 1625 citations till now. The article focuses on the topics: Organic matter & Organic geochemistry.read more
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Organic geochemical proxies of paleoceanographic, paleolimnologic, and paleoclimatic processes
TL;DR: In this article, the organic matter content of sediments is inferred from bulk properties such as elemental compositions, carbon and nitrogen stable isotope ratios, Rock-Eval pyrolysis data, and organic petrography.
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Applications of organic geochemistry to paleolimnological reconstructions: a summary of examples from the Laurentian Great Lakes
TL;DR: The organic matter content of lake sediments contains information that helps to reconstruct past environmental conditions, evaluate histories of climate change, and assess impacts of humans on local ecosystems as discussed by the authors, and serve as proxies of organic matter delivery and accumulation.
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Lacustrine sedimentary organic matter records of Late Quaternary paleoclimates
TL;DR: For example, despite the extensive early diagenetic losses of organic matter in general and of some of its important biomarker compounds in particular, bulk identifiers appear to undergo minimal alteration after sedimentation as discussed by the authors.
Book ChapterDOI
Sediment Organic Matter
Philip A. Meyers,Jane L. Teranes +1 more
TL;DR: The organic matter content of lake sediments provides a variety of indicators, or proxies, that can be used to reconstruct paleoenvironments of lakes and their watersheds and to infer histories of regional climate changes as mentioned in this paper.
Journal ArticleDOI
Preservation of organic matter and alteration of its carbon and nitrogen isotope composition during simulated and in situ early sedimentary diagenesis
TL;DR: In a series of oxic and anoxic incubation experiments, the authors examined the fate of organic matter and the alteration of its carbon and nitrogen isotopic composition during microbial degradation.
References
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Carbon Isotopes in PhotosynthesisFractionation techniques may reveal new aspects of carbon dynamics in plants
TL;DR: The fractionation of carbon isotopes that occurs during photosynthesis is one of the most useful techniques for investigating the efficiency of CO2 uptake and indicates that different strategies are needed for improving wateruse efficiency in different kinds of plants.
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A review of sterol markers for marine and terrigenous organic matter
TL;DR: It is indicated that inferences drawn from sterol distributions regarding sources of organic matter must be made with caution and should be supported using other lipid data, and that in ancient sediments and crude oils a high proportion of C 29 steranes need not indicate that most of the organic matter was derived from vascular plants.
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Distribution of n-paraffins as a clue to recognition of source beds
TL;DR: A preference for n-paraffins with odd numbers of carbon atoms is widespread in Recent sediments as discussed by the authors. But the results of the analysis showed no preference in the heavy n -paraifins for molecules of either odd- or even-carbon number.
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Depletion of 13 C in lignin and its implications for stable carbon isotope studies
TL;DR: In this article, the carbon isotope compositions of the polysaccharide and lignin components of a variety of vascular plants, including the salt-marsh grass Spartina alterniflora, were investigated.
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Determination of recent sedimentation rates in lake michigan using pb – 210 and cs – 137
TL;DR: In this paper, the use of zloPb and 13'Cs radioactivity measurements to determine the rates of sedimentation in the Great Lakes was described. But the results were limited to eight locations in Lake Michigan.