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https://doi.org/10.5194/essd-2025-538
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-2025-538
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Preprints
04 Dec 2025
 | 04 Dec 2025
Status: this preprint is currently under review for the journal ESSD.

A 225-Year (1799–2024) Homogenized Daily Water Level Series of the Vistula River in Warsaw

Łukasz Sobechowicz, Dariusz Brykała, Ewa Kaznowska, Michał Wasilewicz, Jacek Wolski, Marcin Noras, and Wojciech Aleksander Siwek

Abstract. We present a 225-year (1799–2024) homogenized daily water level series for the Vistula River in Warsaw, comprising  82,453 observations. The construction of this consistent dataset required adjustments for changes in gauge location, shifts in gauge zero, differences in historical measurement units, and calendar discrepancies between the Julian and Gregorian systems. A small number of missing observations were reconstructed using stage–stage relationships established between overlapping periods of observation at the Warsaw gauge and parallel measurements from downstream stations along the Vistula. The resulting dataset offers a robust foundation for long-term hydrological, climatic, and socio-environmental research. The dataset is openly available at Zenodo repository: https://doi.org/10.5281/zenodo.16919654 (Sobechowicz et al., 2025).

How to cite. Sobechowicz, Ł., Brykała, D., Kaznowska, E., Wasilewicz, M., Wolski, J., Noras, M., and Siwek, W. A.: A 225-Year (1799–2024) Homogenized Daily Water Level Series of the Vistula River in Warsaw, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2025-538, in review, 2025.
Received: 02 Sep 2025 – Discussion started: 04 Dec 2025
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Łukasz Sobechowicz, Dariusz Brykała, Ewa Kaznowska, Michał Wasilewicz, Jacek Wolski, Marcin Noras, and Wojciech Aleksander Siwek

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Łukasz Sobechowicz, Dariusz Brykała, Ewa Kaznowska, Michał Wasilewicz, Jacek Wolski, Marcin Noras, and Wojciech Aleksander Siwek

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https://doi.org/10.5194/essd-2025-538-supplement

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Daily Water Levels of the Vistula River at Warsaw, 1799–2024: A Complete and Homogenized Long-Term Record Ł. Sobechowicz et al. https://doi.org/10.5281/zenodo.16919654

Łukasz Sobechowicz, Dariusz Brykała, Ewa Kaznowska, Michał Wasilewicz, Jacek Wolski, Marcin Noras, and Wojciech Aleksander Siwek

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Short summary
We present a 225-year (1799–2024) homogenized daily water level record for the Vistula River in Warsaw, comprising 82,453 observations. Adjustments were made for gauge relocations, zero shifts, unit differences, and Julian–Gregorian discrepancies. Missing data were reconstructed using stage–stage relationships with downstream stations. The dataset provides a robust basis for long-term hydrological, climatic, and socio-environmental research.
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