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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
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.
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
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.
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.