Institutions of the University of Bayreuth
Professor Hydrological Modelling

La Capra, Marco ; Wagner, Daniel ; Agarwal, Seema ; Fleckenstein, Jan ; Frei, Sven:
Mobility and retention of microplastic fibers and irregular plastic fragments in fluvial systems : an experimental flume study.
In: Microplastics and Nanoplastics. Vol. 6 (2026) . - 6.
DOI: https://doi.org/10.1186/s43591-025-00165-2

Wendt-Potthoff, Katrin ; Mi, Chenxi ; Ahmadi, Pouyan ; Fleckenstein, Jan ; Rinke, Karsten:
Trapping of microplastic particles in Germany's largest drinking water reservoir : a simulation study.
In: Environmental Sciences Europe. Vol. 37 (8 October 2025) Issue 1 . - 150.
DOI: https://doi.org/10.1186/s12302-025-01192-9

Winter, Carolin ; Nguyen, Tam V. ; Musolff, Andreas ; Lutz, Stefanie R. ; Rode, Michael ; Kumar, Rohini ; Fleckenstein, Jan:
Droughts can reduce the nitrogen retention capacity of catchments.
In: Hydrology and Earth System Sciences. Vol. 27 (2023) Issue 1 . - pp. 303-318.
DOI: https://doi.org/10.5194/hess-27-303-2023

Schmidtmann, Johanna ; Elagami, Hassan ; Gilfedder, Benjamin Silas ; Fleckenstein, Jan ; Papastavrou, Georg ; Mansfeld, Ulrich ; Peiffer, Stefan:
Heteroaggregation of PS microplastic with ferrihydrite leads to rapid removal of microplastic particles from the water column.
In: Environmental Science: Processes & Impacts. Vol. 24 (2022) Issue 10 . - pp. 1782-1789.
DOI: https://doi.org/10.1039/D2EM00207H

Nogueira, Guilherme E. H. ; Schmidt, Christian ; Partington, Daniel ; Brunner, Philip ; Fleckenstein, Jan:
Spatiotemporal variations in water sources and mixing spots in a riparian zone.
In: Hydrology and Earth System Sciences. Vol. 26 (2022) Issue 7 . - pp. 1883-1905.
DOI: https://doi.org/10.5194/hess-26-1883-2022

Winter, Carolin ; Tarasova, L. ; Lutz, Stefanie R. ; Musolff, Andreas ; Kumar, Rohini ; Fleckenstein, Jan:
Explaining the Variability in High-Frequency Nitrate Export Patterns Using Long-Term Hydrological Event Classification.
In: Water Resources Research. Vol. 58 (2022) Issue 1 . - e2021WR030938.
DOI: https://doi.org/10.1029/2021WR030938

Nogueira, Guilherme E. H. ; Schmidt, Christian ; Trauth, Nico ; Fleckenstein, Jan H.:
Seasonal and short‐term controls of riparian oxygen dynamics and the implications for redox processes.
In: Hydrological Processes. Vol. 35 (2021) Issue 2 . - e14055.
DOI: https://doi.org/10.1002/hyp.14055

Nogueira, G. E. H. ; Schmidt, C. ; Brunner, P. ; Graeber, D. ; Fleckenstein, Jan:
Transit‐Time and Temperature Control the Spatial Patterns of Aerobic Respiration and Denitrification in the Riparian Zone.
In: Water Resources Research. Vol. 57 (2021) Issue 12 . - e2021WR030117.
DOI: https://doi.org/10.1029/2021WR030117

Winter, Carolin ; Lutz, Stefanie R. ; Musolff, Andreas ; Kumar, Rohini ; Weber, Michael ; Fleckenstein, Jan:
Disentangling the Impact of Catchment Heterogeneity on Nitrate Export Dynamics From Event to Long-Term Time Scales.
In: Water Resources Research. Vol. 57 (2021) Issue 1 . - e2020WR027992.
DOI: https://doi.org/10.1029/2020WR027992

Fleckenstein, Jan ; Frei, Sven ; Knorr, Klaus-Holger:
Modelling interactions between hydrologic dynamics and biogeochemical processes in a riparian wetland of a low-order stream.
In: Abesser, Corinna (Hrsg.): Conceptual and modelling studies of integrated groundwater, surface water, and ecological systems : proceedings of Symposium H01, held during IUGG2011 in Melbourne, Australia, July 2011. - Wallingford : IAHS Publ., 2011 . - pp. 87-92 . - (IAHS Publication ; 345 )

Werner, Benedikt:
Combining top-down and bottom-up analyses of terrestrial dissolved organic carbon export to improve the process representation of a coupled hydrological-biogeochemical model.
Bayreuth , 2024 . - II, 152 p.
( Doctoral thesis, 2023 , Universität Bayreuth, Fakultät für Biologie, Chemie und Geowissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00007444

Ahmadi, Pouyan:
Fate of Microplastic Particles in Standing Waters and Lakes.
Bayreuth , 2024 . - II, 103 p.
( Doctoral thesis, 2024 , Universität Bayreuth, Bayreuther Graduiertenschule für Mathematik und Naturwissenschaften - BayNAT)
DOI: https://doi.org/10.15495/EPub_UBT_00008084

Borriero, Arianna:
Leveraging Low-Frequency Isotope Data for Modeling Catchment-Scale Transit Time Distributions.
Bayreuth , 2024 . - II, 123 p.
( Doctoral thesis, 2024 , Universität Bayreuth, Fakultät für Biologie, Chemie und Geowissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00008090

Ebeling, Pia:
Spatiotemporal Patterns and Dominant Controls of Riverine Nutrient Export Across Catchments.
Bayreuth , 2023 . - ii, 160 p.
( Doctoral thesis, 2022 , Universität Bayreuth, Fakultät für Biologie, Chemie und Geowissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00006821

Nogueira, Guilherme E. H.:
Flow Dynamics and Reactivity in the Transition Zone between Streams and Riparian Aquifers.
Bayreuth , 2022 . - viii; 183 p.
( Doctoral thesis, 2022 , Universität Bayreuth, Fakultät für Biologie, Chemie und Geowissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00006566

Ehrhardt, Sophie:
Transport times and retention as tools to understand temporal and spatial nitrogen dynamics in catchments.
Bayreuth , 2022 . - II, 118 p.
( Doctoral thesis, 2022 , Universität Bayreuth, Fakultät für Biologie, Chemie und Geowissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00006406