Articles | Volume 18, issue 3
https://doi.org/10.5194/essd-18-1783-2026
https://doi.org/10.5194/essd-18-1783-2026
Data description article
 | 
10 Mar 2026
Data description article |  | 10 Mar 2026

Reconstructing nineteenth-century Danube river water levels with transformer-based computer vision

Malte Rehbein

Cited articles

Aghajani, M., Ahmadi, H., Mirzaei, N., and Batllo, J.: Digitizing Analog Seismograms of Iranian Seismic Stations – Preserving Records for Strong Earthquakes in Iran 1960–1990, J. Seismol., 27, 693–706, https://doi.org/10.1007/s10950-023-10158-4, 2023. a
Antico, A., Aguiar, R. O., and Amsler, M. L.: Hydrometric Data Rescue in the Paraná River Basin, Water Resour. Res., 54, 1368–1381, https://doi.org/10.1002/2017WR020897, 2018. a
Antico, A., Mendizabal, S., Ferreira, L. J., Aguiar, R. O., and Amsler, M. L.: Addendum to “Hydrometric Data Rescue in the Paraná River Basin” by Andrés Antico, Ricardo O. Aguiar, and Mario L. Amsler, Water Resour. Res., 56, e2019WR026654, https://doi.org/10.1029/2019WR026654, 2020. a
Bayerisches Landesamt für Umwelt: Grundlagen Zu Flussaufnahmen Und Deren Dokumentation, http://www.bestellen.bayern.de/shoplink/lfu_was_00182.htm (last access: 18 August 2025), 2020. a, b
Becker, A. and Grünewald, U.: Flood Risk in Central Europe, Science, 300, 1099–1099, https://doi.org/10.1126/science.1083624, 2003. a, b
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Short summary
We transformed nineteenth-century hand-drawn Bavarian Danube gauge charts into daily water-level records using a largely automated, human-checked image analysis workflow. Tests at several gauges show the method reproduces levels with high accuracy while significantly cutting manual effort. The resulting open scientific datasets and traceable sources enable researchers and planners to study past floods and droughts, improve long records, and inform river management and climate impact assessments.
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