Stable C and N isotope record of short term changes in water level in lakes of different morphometry : Lake Anastazewo and Lake Skulskie, central Poland. / Woszcyyk, Michal; Grassineau, Nathalie; Tylmann, Wojciech; Kowalewski, Grzegorz; Lutynska, Monika; Bechtel, Achim.

In: Organic Geochemistry, Vol. 76, 11.2014, p. 278-287.

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Stable C and N isotope record of short term changes in water level in lakes of different morphometry : Lake Anastazewo and Lake Skulskie, central Poland. / Woszcyyk, Michal; Grassineau, Nathalie; Tylmann, Wojciech; Kowalewski, Grzegorz; Lutynska, Monika; Bechtel, Achim.

In: Organic Geochemistry, Vol. 76, 11.2014, p. 278-287.

Research output: Contribution to journalArticlepeer-review

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Woszcyyk, Michal ; Grassineau, Nathalie ; Tylmann, Wojciech ; Kowalewski, Grzegorz ; Lutynska, Monika ; Bechtel, Achim. / Stable C and N isotope record of short term changes in water level in lakes of different morphometry : Lake Anastazewo and Lake Skulskie, central Poland. In: Organic Geochemistry. 2014 ; Vol. 76. pp. 278-287.

BibTeX

@article{1cea7e233c864b2fb09bedbe86d52dbe,
title = "Stable C and N isotope record of short term changes in water level in lakes of different morphometry: Lake Anastazewo and Lake Skulskie, central Poland",
abstract = "We present the stable C isotope record of the changes within the past 20 yr in water level of two morphologically different lakes in central Poland. The aim was to explain the relationship between lake water level and the δ13C signature of bulk sedimentary organic matter (δ13CTOC) and to assess the potential of δ13CTOC as a paleolimnological proxy of lake level change. This was done by comparison of the fossil δ13CTOC record with instrumental data for lake level change in a shallow and small lake as well as in one large and deep basin. In both lakes the water table varied greatly between 1980 and 2000 AD. The δ13CTOC data were supplemented with δ15N and bulk geochemistry data, as well as paleoecological data. We show that δ13CTOC reacted to short term and low amplitude fluctuation in water level, but the response was highly dependent on the morphometry of the lake. In the shallow and small basin, δ13CTOC decreased along with lake level drop due to oxidation and greater input of organic matter from macrophytes colonizing the lake bottom. On the contrary, in the deep/large lake δ13CTOC decreased with increasing water level due to enhanced delivery of soil-derived OM to the lake during highstands. Our results have broad paleolimnological implications as they show that δ13CTOC cannot act as a universal paleohydrological proxy. Its interpretation for a particular lake can be ambiguous and must be supported with additional geochemical and paleocological information.",
keywords = "Carbon isotopes, NITROGEN ISOTOPES, lake level changes, organic matter",
author = "Michal Woszcyyk and Nathalie Grassineau and Wojciech Tylmann and Grzegorz Kowalewski and Monika Lutynska and Achim Bechtel",
year = "2014",
month = nov,
doi = "10.1016/j.orggeochem.2014.08.009",
language = "English",
volume = "76",
pages = "278--287",
journal = "Organic Geochemistry",
issn = "0146-6380",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Stable C and N isotope record of short term changes in water level in lakes of different morphometry

T2 - Lake Anastazewo and Lake Skulskie, central Poland

AU - Woszcyyk, Michal

AU - Grassineau, Nathalie

AU - Tylmann, Wojciech

AU - Kowalewski, Grzegorz

AU - Lutynska, Monika

AU - Bechtel, Achim

PY - 2014/11

Y1 - 2014/11

N2 - We present the stable C isotope record of the changes within the past 20 yr in water level of two morphologically different lakes in central Poland. The aim was to explain the relationship between lake water level and the δ13C signature of bulk sedimentary organic matter (δ13CTOC) and to assess the potential of δ13CTOC as a paleolimnological proxy of lake level change. This was done by comparison of the fossil δ13CTOC record with instrumental data for lake level change in a shallow and small lake as well as in one large and deep basin. In both lakes the water table varied greatly between 1980 and 2000 AD. The δ13CTOC data were supplemented with δ15N and bulk geochemistry data, as well as paleoecological data. We show that δ13CTOC reacted to short term and low amplitude fluctuation in water level, but the response was highly dependent on the morphometry of the lake. In the shallow and small basin, δ13CTOC decreased along with lake level drop due to oxidation and greater input of organic matter from macrophytes colonizing the lake bottom. On the contrary, in the deep/large lake δ13CTOC decreased with increasing water level due to enhanced delivery of soil-derived OM to the lake during highstands. Our results have broad paleolimnological implications as they show that δ13CTOC cannot act as a universal paleohydrological proxy. Its interpretation for a particular lake can be ambiguous and must be supported with additional geochemical and paleocological information.

AB - We present the stable C isotope record of the changes within the past 20 yr in water level of two morphologically different lakes in central Poland. The aim was to explain the relationship between lake water level and the δ13C signature of bulk sedimentary organic matter (δ13CTOC) and to assess the potential of δ13CTOC as a paleolimnological proxy of lake level change. This was done by comparison of the fossil δ13CTOC record with instrumental data for lake level change in a shallow and small lake as well as in one large and deep basin. In both lakes the water table varied greatly between 1980 and 2000 AD. The δ13CTOC data were supplemented with δ15N and bulk geochemistry data, as well as paleoecological data. We show that δ13CTOC reacted to short term and low amplitude fluctuation in water level, but the response was highly dependent on the morphometry of the lake. In the shallow and small basin, δ13CTOC decreased along with lake level drop due to oxidation and greater input of organic matter from macrophytes colonizing the lake bottom. On the contrary, in the deep/large lake δ13CTOC decreased with increasing water level due to enhanced delivery of soil-derived OM to the lake during highstands. Our results have broad paleolimnological implications as they show that δ13CTOC cannot act as a universal paleohydrological proxy. Its interpretation for a particular lake can be ambiguous and must be supported with additional geochemical and paleocological information.

KW - Carbon isotopes

KW - NITROGEN ISOTOPES

KW - lake level changes

KW - organic matter

U2 - 10.1016/j.orggeochem.2014.08.009

DO - 10.1016/j.orggeochem.2014.08.009

M3 - Article

VL - 76

SP - 278

EP - 287

JO - Organic Geochemistry

JF - Organic Geochemistry

SN - 0146-6380

ER -