publications

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Journal papers

2022

  • Mital, U., Dwivedi, D., Özgen-Xian, I., Brown, J. B., Steefel, C. I. (2022) Modeling spatial distribution of snow water equivalent by combining meteorological and satellite data with lidar maps, Artificial Intelligence for the Earth Systems, 1, 1-46. doi: 10.1175/AIES-D-22-0010.1
  • Xu, Z., Molins, S., Özgen-Xian, I., Dwivedi, D., Svyatsky, D., Moulton, J. D., Steefel, C. I. (2022) Understanding the hydrogeochemical response of a mountainous watershed using integrated surface-subsurface flow and reactive transport modeling, Water Resources Research, 58, e2022WR032075. doi: 10.1029/2022WR032075

2021

  • 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
  • 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
  • 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

2020

  • 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
  • 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

2019

  • 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
  • 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

2018

  • 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
  • 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
  • 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

2017

  • 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
  • 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
  • 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

2016

  • 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
  • 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
  • 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

2015

  • 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
  • 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

2014

  • 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.

2022

  • Özgen-Xian, I., Navas-Montilla, A. (2022) Hyperbolic Boussinesq groundwater flow model, 39th IAHR World Congress 2022, Granada, Spain.

2021

  • Johnson, R.M., Özgen-Xian, I., Molins, S. (2021) 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.

2019

  • 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.
  • Tügel, F., Özgen-Xian, I., Hadidi, A., Hinkelmann, R. (2019) Impact of infiltration on flash flood propagation, SimHydro Conference 2019, Nice, France.

2018

  • 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.
  • 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.
  • 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
  • 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
  • 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
  • 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

2017

  • 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.
  • 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.
  • 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.
  • 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.

2016

  • 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.
  • 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.

2015

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

2014

  • 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.
  • 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.
  • 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

2021

  • Tügel, F., Hadidi, A., Özgen-Xian, I., Hou, J., Hinkelmann, R. (2021) Validation of flash flood simulations using satellite images and community-based observations—Impact of infiltration and small-scale topographical features, In: Wadi Flash Floods, Natural Disaster Science and Mitigation Engineering: DPRI reports, Sumi, T. (eds), Springer-Verlag, Berlin Heidelberg, Germany. doi: 10.1007/978-981-16-2904-4\6

2018

  • 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

2016

  • 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

2013

  • 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

  • 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

Impressum

Author: ilhan özgen xian

Created: 2022-11-21 Mon 16:06