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Precipitation of calcium carbonate in a shallow polymictic coastal lake: assessing the role of primary production, organic matter degradation and sediment mixing Cover

Precipitation of calcium carbonate in a shallow polymictic coastal lake: assessing the role of primary production, organic matter degradation and sediment mixing

Open Access
|Mar 2016

Figures & Tables

Figure 1

Location and bathymetry of Lake Sarbsko and distribution of the sampling stations

Figure 2

Chemical composition of Lake Sarbsko during the study period. Surface, bottom and pore waters are distinguished. Plots show average values of each parameter ±1 standard deviation in each data set. Dates of collection are given in the upper panels.

Figure 3

The spatial distribution of CaCO3 within the surface sediments of Lake Sarbsko. White circles indicate sediment sampling sites

Figure 4

Satellite image of Lake Sarbsko from 09 July 2005 showing widespread whiting in the lake. The image comes from Google Earth.

The content of CaCO3 and the stable C isotope composition of sedimentary carbonates (δ13Ccalc) from Lake Sarbsko_ Locations of sampling sites is shown in Figure 1_

Sample numberDepth b.l.f.

b.l.f. – below lake floor

CaCO3δ13Ccalc
(cm)(wt.%)(‰ V-PDB)
SURFACE SAMPLES
SAR 40 – 524.0-1.69
SAR 50 – 510.0-1.67
SAR 130 – 528.0-1.49
SAR 170 – 525.0-1.77
SAR 210 – 525.0-1.60
SAR 240 – 528.0-1.72
SAR 300 – 525.0-1.69
SAR 310 – 525.0-1.94
SAR 350 – 525.0-1.63
SAR 380 – 524.0-1.75
SAR 420 – 528.0-1.98
SAR 470 – 527.0-1.55
DOI: https://doi.org/10.1515/ohs-2016-0009 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
Language: English
Page range: 86 - 99
Submitted on: Jun 1, 2015
Accepted on: Jul 1, 2015
Published on: Mar 10, 2016
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2016 Michał Woszczyk, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.