Seasonal variability in the abundance and stable carbon-isotopic composition of lipid biomarkers in suspended particulate matter from a stratified equatorial lake (Lake Chala, Kenya/Tanzania): Implications for the sedimentary record
L.G.J. van Bree,Francien Peterse,M.T.J. van der Meer,Jack J. Middelburg,A.M.D. Negash,W. De Crop,Christine Cocquyt,J.J. Wieringa,Dirk Verschuren,J.S. Sinninghe Damsté +9 more
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TLDR
In this article, the distribution and stable carbon-isotopic (δ13C) composition of various lipid biomarkers in suspended particulate matter (SPM) from the water column of Lake Chala, a permanently stratified crater lake in equatorial East Africa, to evaluate their capacity to reflect seasonality in water-column processes and associated changes in the lake's phytoplankton community.About:
This article is published in Quaternary Science Reviews.The article was published on 2018-07-15 and is currently open access. It has received 48 citations till now. The article focuses on the topics: Water column & Epilimnion.read more
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Calibration of modern sedimentary δ2H plant wax-water relationships in Greenland lakes
TL;DR: In this paper, modern sedimentary nalkane and n-alkanoic acid abundances and compound-specific (δ2H and δ13C) isotope values from a 22-lake transect extending from northwest to southernmost Greenland are presented.
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Sedimentary n-alkanes and n-alkanoic acids in a temperate bog are biased toward woody plants
TL;DR: In this paper, the molecular and isotopic composition of nalkanes and n-alkanoic acids in recent bog sediments with all major plant species growing in the catchment of Browns Lake Bog (BLB) in Ohio, USA.
Journal ArticleDOI
The paleolimnologist’s guide to compound-specific stable isotope analysis – An introduction to principles and applications of CSIA for Quaternary lake sediments
Jens Holtvoeth,Jessica H. Whiteside,Stefan Engels,Stefan Engels,Felipe Sales de Freitas,Kliti Grice,Paul F. Greenwood,Paul F. Greenwood,SC Johnson,Iain Kendall,Sabine K. Lengger,Sabine K. Lengger,Andreas Lücke,Christoph Mayr,B. David A. Naafs,Megan Rohrssen,Julio Sepúlveda +16 more
TL;DR: For a review of the application of compound-specific isotope analysis (CSIA) in the field of Quaternary paleolimnology, we refer the reader to as mentioned in this paper.
Journal ArticleDOI
Seasonal variability and sources of in situ brGDGT production in a permanently stratified African crater lake
Loes G J van Bree,Francien Peterse,Allix J Baxter,Wannes De Crop,Sigrid van Grinsven,Laura Villanueva,Dirk Verschuren,Jaap S. Sinninghe Damsté +7 more
TL;DR: In this paper, the concentrations and fractional abundances of individual brGDGTs along depth profiles of suspended particulate matter collected monthly from September 2013 to January 2015 and in settling particles collected monthly at 35m water-depth from August 2010 to January 2014 were determined.
References
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Zur Vervollkommnung der quantitativen Phytoplankton-Methodik
TL;DR: In this paper, the main aim is to describe the counting-chamber method and the numerous difficulties encountered in quantitative plankton research are discussed and ways of avoiding them are described together with improvements of technique that save time.
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Leaf Epicuticular Waxes
G. Eglinton,Richard J. Hamilton +1 more
TL;DR: Enzymic studies, radiolabeling, and electron microscopy will be needed to reveal the mode of biogenesis of the wax constituents and their site of formation and subsequent pathway through the cuticle to the leaf surface.
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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.
Journal ArticleDOI
Carbon isotope fractionation between dissolved bicarbonate and gaseous carbon-dioxide
TL;DR: In this paper, the stable carbon isotope fractionation between gaseous CO 2 and dissolved bicarbonate has been measured from 5 to 25°C by a method of high precision.
Journal ArticleDOI
An n-alkane proxy for the sedimentary input of submerged/floating freshwater aquatic macrophytes
TL;DR: In this article, a proxy ratio, Paq, was formulated to reflect the non-emergent aquatic macrophyte input to lake sediments relative to that from the emergent aquatic and terrestrial plants.
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