Trace gas (CH4, N2O, H2S) distribution in the water column of inland lakes in Poland


Woszczyk M. Majewski M. Schubert C.J. van Geldern R.
December 2026Nature Research

Scientific Data
2026#13Issue 1

We present a data set of trace gas (TG; CH4, N2O and H2S) concentrations and associated hydrochemical parameters (temperature, EC, pH, ORP, TOC, DOC, HCO3-, Cl-, SO42−, NO3-, δ13CDIC) in the water columns of Polish inland freshwater lakes. This data set acts as the first comprehensive source of information on the distribution of TG in lakes of central-eastern Europe. Despite the fact that this region displays relatively high limnicity, it is considerably understudied with regard to the occurrence of TG in lakes. This data set was created to fulfill this gap in biogeochemical knowledge and to provide data which can improve assessing and modelling of TG emissions from aquatic systems. The observations were collected monthly between July 2019 and September 2022 from different water depths in representative sites of three lakes in central (L. Łódzko-Dymaczewskie and L. Dębno) and western (L. Trześniowskie) Poland. The lakes showed different trophic conditions, depths as well as catchment characteristics. The database involves 358 records of CH4/N2O and 507 values of H2S.



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Biogeochemistry Research Group, Adam Mickiewicz University, Bogumiła Krygowskiego 10, Poznań, 61-680, Poland
Department of Life Safety and Environmental Protection, D. Serikbayev East Kazakhstan Technical University, Serikbayeva 19, Öskemen, 070000, Kazakhstan
Environmental Monitoring Research Group, Adam Mickiewicz University, Bogumiła Krygowskiego 10, Poznań, 61-680, Poland
Eawag, Department of Surface Waters-Research and Management, Seestrasse 79, Kastanienbaum, 6047, Switzerland
Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, Universitätstrasse 16, Zürich, 8092, Switzerland
GeoZentrum Nordbayern, Friedrich-Alexander Universität Erlangen-Nürnberg, Schlossgarten 5, Erlangen, 91054, Germany

Biogeochemistry Research Group
Department of Life Safety and Environmental Protection
Environmental Monitoring Research Group
Eawag
Institute of Biogeochemistry and Pollutant Dynamics
GeoZentrum Nordbayern

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