Our results
Publications
Laaha, G., Laimighofer, J., Özcelik, N. B., & Fischer, S. (2025). Exploring Process Heterogeneity in Environmental Statistics: Examples and Methodological Advances. Austrian Journal of Statistics,54(3), 124–149. https://doi.org/10.17713/ajs.v54i3.2101
Laimighofer, J., Formayer, H. Climate change contribution to the 2023 autumn temperature records in Vienna. Sci Rep 14, 4213 (2024). https://doi.org/10.1038/s41598-024-54822-2
Laimighofer, J., & Laaha, G. (2025). Statistical learning and topkriging improve spatio-temporal low-flow estimation. Water Resources Research, 61, e2024WR038329. https://doi.org/10.1029/2024WR038329
Laimighofer J, Laaha G (2022) How standard are standardized drought indices? Uncertainty components for the SPI & SPEI case. Journal of Hydrology 613:128385. https://doi.org/10.1016/j.jhydrol.2022.128385
Laimighofer J, Melcher M, Laaha G (2022a) Low-flow estimation beyond the mean – expectile loss and extreme gradient boosting for spatiotemporal low-flow prediction in Austria. Hydrol Earth Syst Sci 26:4553–4574. https://doi.org/10.5194/hess-26-4553-2022
Laimighofer J, Melcher M, Laaha G (2022b) Parsimonious statistical learning models for low-flow estimation. Hydrol Earth Syst Sci 26:129–148. https://doi.org/10.5194/hess-26-129-2022
Laaha G (2023a) A mixed distribution approach for low-flow frequency analysis – Part 1: Concept, performance, and effect of seasonality. Hydrol Earth Syst Sci 27:689–701. https://doi.org/10.5194/hess-27-689-2023
Laaha G (2023b) A mixed distribution approach for low-flow frequency analysis–Part 2: Comparative assessment of a mixed probability vs. copula-based dependence framework. Hydrology and Earth System Sciences 27:2019–2034
Blauhut V, Stoelzle M, Ahopelto L, et al (2022) Lessons from the 2018–2019 European droughts: a collective need for unifying drought risk management. Nat Hazards Earth Syst Sci 22:2201–2217. https://doi.org/10.5194/nhess-22-2201-2022
Haslinger K, Schöner W, Abermann J, et al (2023) Apparent contradiction in the projected climatic water balance for Austria: wetter conditions on average versus higher probability of meteorological droughts. Nat Hazards Earth Syst Sci 23:2749–2768. https://doi.org/10.5194/nhess-23-2749-2023
Bachelor theses
Felix Adrian Machold (2023) Einfluss der globalen Erderwärmung auf die Speicherung und Rücklösung von Nährstoffen aus den Bachsedimenten der Melk. Influence of global warming on the storage and release of nutrients from the stream sediments of the Melk River. Bachelor Thesis, University of Natural Resources and Life Sciences Vienna, July 2023, pp.19.
Victoria Schilka (2023) The impact of warming on oxygen depletion and dissolved organic carbon dynamics from stream sediments in Styria, Austria. Bachelor Thesis, University of Natural Resources and Life Sciences Vienna, September 2023, pp.23.
Daniel Plotegher (2023) Einfluss der Gewässererwärmung auf die Nährstofffreisetzung oder -aufnahme der Bachsedimente der Ilz. Impact of stream warming on nutrient release or uptake of sediment in the Ilz River. Bachelor Thesis, University of Natural Resources and Life Sciences Vienna, July 2023, pp. 17.
Doctoral theses
Laimighofer J. Spatial and spatio-temporal statistical (learning) models for low-flow estimation in Austria [Internet]. Austria: BOKU - Universität für Bodenkultur Wien; 2023. Available from: http://permalink.obvsg.at/bok/AC16993473
Presentations
Laimighofer, J., Bachler, A., and Laaha, G.: What should we actually regionalize? - The benefits of temporal aggregation for low-flow prediction, EGU General Assembly 2025, Vienna, Austria, 27 Apr–2 May 2025, EGU25-19344, https://doi.org/10.5194/egusphere-egu25-19344, 2025.
Fitriana, F. S., Fischer, S., Weigelhofer, G., and Laaha, G.: Non-stationary low-flow frequency analysis with Mixture Generalized Extreme Value (GEV) distribution, EGU General Assembly 2025, Vienna, Austria, 27 Apr–2 May 2025, EGU25-5996, https://doi.org/10.5194/egusphere-egu25-5996, 2025.
Firoozi, F., Laimighofer, J., and Laaha, G.: Low flow frequency analyses: A new approach integrating seasonality and multivariate characteristics of drought, EGU General Assembly 2025, Vienna, Austria, 27 Apr–2 May 2025, EGU25-3052, https://doi.org/10.5194/egusphere-egu25-3052, 2025.
Laimighofer, J., Pressl, A., Langergraber, G., Weigelhofer, G., and Laaha, G. (2023) Comparison of spatio-temporal low-flow models for predicting remobilization of water pollutants, In: EGU (Ed.), Abstracts EGU2023 General Assembly, 23-28 April 2023, Vienna, Austria, https://doi.org/10.5194/egusphere-egu23-5516.
Laaha, G (2023) The value of mixed distribution approaches for low-flow frequency analysis. In: EGU (Ed.), Abstracts EGU2023 General Assembly, 23-28 April 2023, Vienna, Austria, https://doi.org/10.5194/egusphere-egu23-4914.
Weigelhofer G (2023) Can warming lead to internal eutrophication of headwater streams? 13th Symposium for European Freshwater Sciences (SEFS), June 18 to June 23 2023, Newcastle, UK.
News articles
Artikel in "Die Presse", Print-Ausgabe, 14.01.2023 (download)
WasserCluster Lunz Newsletter, NOVEMBER 2022 (download)