index / research: publications

Journal papers

    in progress

  1. Morales-Hernández, M., Özgen-Xian, I., Norman, M., Caviedes-Voullième, D. (in preparation) SERGHEI: a high-performance, portable simulation platform for environmental hydraulics and hydrology.
  2. Özgen-Xian, I., Caviedes-Voullième, D., Dwivedi, D., Molins, S. (in preparation) Role of microtopography in rainfall-runoff partitioning: Insights through integrated hydrological modeling.
  3. Mital, U., Dwivedi, D., Özgen-Xian, I., Brown, J., Steefel, C. I. (submitted) Modeling spatial distribution of snow water equivalent by coupling precipitation and temperature with Lidar maps.
  4. 2021

  5. Özgen-Xian, I., Xia, X., Liang, Q., Hinkelmann, R., Liang, D., Hou, J. (2021) Innovations towards the next generation of shallow flow models (editorial), Advances in Water Resources, 149, 103867. doi: 10.1016/j.advwatres.2021.103867
  6. Özgen-Xian, I., Navas-Montilla, A., Dwivedi, D., Molins, S. (2021) Hyperbolic reformulation approach to enable efficient simulation of groundwater flow and reactive transport, Environmental Engineering Science, 38, 181-191. doi: 10.1089/ees.2020.0363
  7. Li, Z., Özgen-Xian, I., Maina, F. Z. (2021) A mass-conservative predictor-corrector solution to the 1D Richards equation with adaptive time control, Journal of Hydrology, 592, 125809. doi: 10.1016/j.jhydrol.2020.125809
  8. 2020

  9. Özgen-Xian, I., Kesserwani, G., Caviedes-Voullième, D., Molins, S., Xu, Z., Dwivedi, D., Moulton, J. D., Steefel, C. I. (2020) Wavelet-based local mesh refinement for rainfall-runoff simulations, Journal of Hydroinformatics, 22, 1059-1077. doi: 10.2166/hydro.2020.198
  10. Tügel, F. Özgen-Xian, I., Marafini, E., Hadidi, A., Hinkelmann, R. (2020) Investigation of flash flood mitigation measures for an Egyptian city and the impact of infiltration, Urban Water Journal, 17, 396-406. doi: 10.1080/1573062X.2020.1713171
  11. 2019

  12. Zhao, J., Özgen-Xian, I., Liang, D., Wang, T., Hinkelmann, R. (2019) A depth-averaged non-cohesive sediment transport model with improved discretization of flux and source terms, Journal of Hydrology, 570, 647-665. doi: 10.1016/j.jhydrol.2018.12.059
  13. Zhao, J., Özgen-Xian, I., Liang, D., Wang, T., Hinkelmann, R. (2019) An improved multislope MUSCL scheme for solving shallow water equations on unstructured grids, Computers and Mathematics with Applications, 77, 576-596. doi: 10.1016/j.camwa.2018.09.059
  14. 2018

  15. Özgen, I., Abily, M., Zhao, J., Liang, D., Gourbesville, P., Hinkelmann, R. (2018) Towards district scale flood simulations using conventional and anisotropic porosity shallow water models with high-resolution topographic information, La Houille Blanche, 2, 90-98. doi: 10.1051/lhb/2018023
  16. Zhao, J., Özgen, I., Liang, D., Hinkelmann, R. (2018) Improved multislope MUSCL reconstruction on unstructured grid for shallow water equations, International Journal for Numerical Methods in Fluids, 87, 401-436. doi: 10.1002/fld.4499
  17. Broecker, T., Elsesser, W., Teuber, K., Özgen, I., Nützmann, G., Hinkelmann, R. (2018) High-resolution simulation of free-surface flow and tracer retention over streambeds with ripples, Limnologica, 68, 46--58. doi: 10.1016/j.limno.2017.06.005
  18. 2017

  19. Zhao, J., Özgen, I., Liang, D., Hinkelmann, R. (2017) Comparison of different sediment transport models for dam break flow over movable bed, Water Science and Engineering, 10, 287--294. doi: 10.1016/j.wse.2017.12.006
  20. Özgen, I., Zhao, J., Liang, D., Hinkelmann, R. (2017) Wave propagation speeds and source term influence in single and integral porosity shallow water equations, Water Science and Engineering, 10, 275--286. doi: 10.1016/j.wse.2017.12.003
  21. Jahanbazi, M., Özgen, I., Aleixo, R., Hinkelmann, R. (2017) Development of a diffusive wave shallow water model with a novel stability condition and other new features, Journal of Hydroinformatics, 19, 405--425. doi: 10.2166/hydro.2017.108
  22. 2016

  23. Fišer, M., Özgen, I., Hinkelmann, R., Vimmr, J. (2016) A mass conservative well-balanced reconstruction at wet/dry interfaces for the Godunov-type shallow water model, International Journal for Numerical Methods in Fluids, 82, 893--908. doi: 10.1002/fld.4246
  24. Özgen, I., Zhao, J., Liang, D., Hinkelmann, R. (2016) Urban flood modeling using shallow water equations with depth-dependent anisotropic porosity, Journal of Hydrology, 541, 1165-1184. doi: 10.1016/j.jhydrol.2016.08.025
  25. Özgen, I., Liang, D., Hinkelmann, R. (2016) Shallow water equations with depth-dependent anisotropic porosity for subgrid-scale topography, Applied Mathematical Modelling, 40, 7447-7473. doi: 10.1016/j.apm.2015.12.012
  26. 2015

  27. Liang, D., Özgen, I., Hinkelmann, R., Xiao, Y., & Chen, J. M. (2015). Shallow water simulation of overland flows in idealised catchments, Environmental Earth Sciences, 74(11), 7307-7318. doi: 10.1007/s12665-015-4744-5
  28. Özgen, I., Teuber, K., Simons, F., Liang, D., Hinkelmann, R. (2015) Upscaling the shallow water model with a novel roughness formulation, Environmental Earth Sciences, 74(11), 7371-7386. doi: 10.1007/s12665-015-4726-7
  29. 2014

  30. Simons, F., Busse, T., Hou, J., Özgen, I., Hinkelmann, R. (2014) A model for overland flow and associated processes within the Hydroinformatics Modelling System, Journal of Hydroinformatics, 16(2), 375-391. doi: 10.2166/hydro.2013.173

Conference papers

Here, only conference contributions with full papers or extended abstracts are listed.

    in progress

  1. Özgen-Xian, I., Navas-Montilla, A. (submitted) Hyperbolic Boussinesq groundwater flow model, 39th IAHR World Congress 2022, Granada, Spain.
  2. Johnson, R.M., Özgen-Xian, I., Molins, S. (submitted) Integrated hydrology simulations to understand runoff generation mechanisms in the presence of micro-topography at the hillslope scale, 2nd IAHR Young Professional Congress 2021, online.
  3. 2019

  4. Özgen-Xian, I., Zhao, J., Hinkelmann, R. (2019) A contribution to momentum head loss models in porous shallow water models, Modelling Hydrodynamics for Water Resources 2019, Zaragoza, Spain.
  5. Tügel, F., Özgen-Xian, I., Hadidi, A., Hinkelmann, R. (2019) Impact of infiltration on flash flood propagation, SimHydro Conference 2019, Nice, France.
  6. 2018

  7. Özgen, I., Bruwier, M., Zhao, J., Liang, D., Archambeau, P., Dewals, B., Kobayashi, K., Oishi, S., Hinkelmann, R. (2018) Numerical study of building drag dissipation formulations in the integral porosity shallow water model, E3S Web of Conferences, 40, River Flow 2018, Lyon-Villeurbanne, France.
  8. Amann, F., Özgen, I., Abily, M., Zhao, J. Liang, D., Kobayashi, K., Oishi, S., Gourbesville, P., Hinkelmann, R. (2018) Integral porosity shallow water model at district scale - Case study in Nice, E3S Web of Conferences, 40, River Flow 2018, Lyon-Villeurbanne, France.
  9. Marafini, E., Tügel, F., Özgen, I., Hinkelmann, R., La Rocca, M. (2018) Flash flood simulations based on shallow water equations to investigate protection measures for El Gouna, Egypt Epic Series in Engineering, 3, 1298-1305, 13th International Conference on Hydroinformatics, Palermo, Italy. doi: 10.29007/kh16
  10. Zhao, J., Özgen, I., Liang, D., Hinkelmann, R. (2018) A novel slope failure operator for a non-equilibrium sediment transport model Epic Series in Engineering, 3, 2441-2448, 13th International Conference on Hydroinformatics, Palermo, Italy. doi: 10.29007/3rtl
  11. Wang, T., Hou, J., Li, P., Zhao, J., Özgen, I. & Hinkelmann, R. (2018) A proposed implicit friction source term treatment for simulating overland flow Epic Series in Engineering, 3, 2285-2292, 13th International Conference on Hydroinformatics, Palermo, Italy. doi: 10.29007/fsp8
  12. Özgen-Xian, I., Liang, D., Hinkelmann, R. (2018) Grid convergence study for the integral porosity shallow water model on unstructured triangular meshes, Epic Series in Engineering, 3, 2472-2478, 13th International Conference on Hydroinformatics, Palermo, Italy. doi: 10.19007/mspj
  13. 2017

  14. Özgen, I., Abily, M., Gourbesville, P., Zhao, J., Liang, D., Hinkelmann, R. (2017) Towards district scale flood simulations using conventional and anisotropic porosity shallow water models with high-resolution topographic information, SimHydro Conference 2017, Nice, France.
  15. Tügel, F., Özgen, I., Hadidi, A., Tröger, U., Hinkelmann, R. (2017) Modelling of flash floods in wadi systems using a robust shallow water model - Case study El Gouna, Egypt, SimHydro Conference 2017, Nice, France.
  16. Özgen, I. (2017) A coarse grid approach-based model chain for fast rainfall-runoff predictions in natural and urban areas, 37th IAHR World Congress 2017, Kuala Lumpur, Malaysia.
  17. Özgen, I., Zhao, J., Amann, F., Hinkelmann, R. (2017) Applying object-oriented design concepts for the coupled numerical simulation of shallow water flow and related processes, 37th IAHR World Congress 2017, Kuala Lumpur, Malaysia.
  18. 2016

  19. Zhao, J., Özgen, I., Liang, D., Simons, F., Hinkelmann, R. (2016) Comparison of capacity and non-capacity sediment transport models for dam break flow over movable bed, International Symposium on River Sedimantation, Stuttgart, Germany.
  20. Özgen, I., Liang, D., Om, J., Hinkelmann, R. (2016) Shallow water model with anisotropic porosity: A case study of dam-break flow in an idealized city, 12th International Conference on Hydroinformatics 2016, Incheon, South Korea.
  21. 2015

  22. Özgen, I., Liang, D., Hinkelmann, R. (2015) Shallow water equations with anisotropic porosity for inundated areas, Advances in Numerical Modelling Workshop 2015, Sheffield, UK.
  23. 2014

  24. Özgen, I., Teuber, K., Liang, D., Hinkelmann, R. (2015) Surface roughness parameterization to account for subgrid scale topography in shallow water flow modeling, 36th IAHR World Congress, The Hague, The Netherlands.
  25. Broecker, T., Özgen, I., Matta, E., Cabral, J., Candeias, A.L., Hinkelmann, R. (2014) Simulation of flow and transport processes in a Brazilian reservoir, International Conference on Hydroscience, Engineering (ICHE) 2014, Hamburg, Germany.
  26. Matta, E., Özgen, I., Cabral, J., Candeias, A.L., Hinkelmann, R. (2014). Simulation of wind-induced flow and transport in a Brazilian bay, International Conference on Hydroscience, Engineering (ICHE) 2014, Hamburg, Germany.

Book chapters

    2018

  1. Tügel, F., Özgen, I., Hinkelmann, R., Hadidi, A., Tröger, U. (2018) Modeling of flash floods in wadi systems using a robust shallow water model - Case study El Gouna, Egypt, In: Advances in Hydroinformatics, Gourbesville, P., Cunge, J., Caignaert, G. (eds), Springer-Verlag, Singapore. doi: 10.1007/978-981-10-7218-5_41
  2. 2016

  3. Zhao, J., Özgen, I., Hinkelmann, R., Simons, F., D. Liang (2016) Comparison of capacity and non-capacity sediment transport models for dam break flow over movable bed, In: River Sedimantation, Wieprecht, S., Haun, S., Weber, K., Noack, M., Terhelden, K. (eds), Taylor & Francis Group, Abingdon, OX, UK, 522-527. doi: 10.1201/9781315623207-96
  4. 2013

  5. Özgen, I., Seemann, S., Candeias, A.L., Koch, H., Simons, F., Hinkelmann, R. (2013) Simulation of hydraulic interaction between Icó-Mandantes Bay and São Francisco River, Brazil, In: Sustainable Management of Water and Land in Semiarid Areas, Gunkel, G., Silva, A.A.J., Sobral, M.C. (eds), Editoria Universitária, Universidade Federal de Pernambuco - UFPE, Brazil, 28-38

Thesis

    2017

  1. Özgen, I. (2017) Coarse grid methods for the shallow water model, PhD thesis, Department of Civil Engineering, Technische Universität Berlin, Berlin, Germany. Examination board: M. Barjenbruch (chair), R. Hinkelmann, P. Gourbesville, F. Molkenthin, D. Liang. doi: 10.14279/depositonce-6269

Last updated: Tue Sep 7 16:19:56 2021