Breaking down the computational barriers to real‐time urban flood forecasting

VY Ivanov, D Xu, MC Dwelle… - Geophysical …, 2021 - Wiley Online Library
Flooding impacts are on the rise globally, and concentrated in urban areas. Currently, there
are no operational systems to forecast flooding at spatial resolutions that can facilitate …

[HTML][HTML] Analysis of two sources of variability of basin outflow hydrographs computed with the 2D shallow water model Iber: Digital Terrain Model and unstructured …

G García-Alén, J González-Cao, D Fernández-Nóvoa… - Journal of …, 2022 - Elsevier
Modelling hydrological processes with fully distributed models based on the shallow water
equations implies a high computational cost, which often limits the resolution of the …

A 2D-SWEs framework for efficient catchment-scale simulations: Hydrodynamic scaling properties of river networks and implications for non-uniform grids generation

P Costabile, C Costanzo - Journal of Hydrology, 2021 - Elsevier
The application of two-dimensional shallow-water equations models (2D-SWEs) for the
description of hydrodynamic-based surface runoff computations is becoming a reference …

Effects of DEM depression filling on river drainage patterns and surface runoff generated by 2D rain-on-grid scenarios

P Costabile, C Costanzo, C Gandolfi, F Gangi… - Water, 2022 - mdpi.com
Topographic depressions in Digital Elevation Models (DEMs) have been traditionally seen
as a feature to be removed as no outward flow direction is available to route and accumulate …

A spectral analysis approach for the a priori generation of computational grids in the 2-D hydrodynamic-based runoff simulations at a basin scale

D Ferraro, P Costabile, C Costanzo, G Petaccia… - Journal of …, 2020 - Elsevier
The increasing availability of high-resolution terrain data fostered the development of two-
dimensional hydrodynamic-based surface runoff models at basin scale, for flood hazard …

[HTML][HTML] Iber-PEST: Automatic calibration in fully distributed hydrological models based on the 2D shallow water equations

G García-Alén, C Montalvo, L Cea, J Puertas - Environmental Modelling & …, 2024 - Elsevier
Calibrating physically based hydrological models manually is time-consuming and
challenging. Automatic calibration tools have become prevalent in these models; however …

Effects of erosion-induced changes to topography on runoff dynamics

SKB Ghomash, D Caviedes-Voullieme, C Hinz - Journal of Hydrology, 2019 - Elsevier
Runoff generation from rainfall events is a complex, spatial and temporally dependent
process strongly governed, among other factors, by catchment surface topography. Although …

[HTML][HTML] Extension of a Roe-type Riemann solver scheme to model non-hydrostatic pressure shallow flows

I Echeverribar, P Brufau, P García-Navarro - Applied Mathematics and …, 2023 - Elsevier
The aim of this work is, first of all, to extend a finite volume numerical scheme, previously
designed for hydrostatic Shallow Water (SWE) formulation, to Non Hydrostatic Pressure …

Towards transient experimental water surfaces: A new benchmark dataset for 2D shallow water solvers

S Martínez-Aranda, J Fernández-Pato… - Advances in water …, 2018 - Elsevier
In the past decade, shallow water solvers have dramatically improved both in terms of
accuracy and computational power. New mathematical models and numerical schemes …

[HTML][HTML] Combination of intrusive POD-based reduced-order models and augmented Riemann solvers applied to unsteady 2D shallow water equations

P Solán-Fustero, JL Gracia, A Navas-Montilla… - Computer Methods in …, 2025 - Elsevier
The shallow water equations (SWEs) can be used to model the spatio-temporal evolution of
free surface flows. The numerical resolution of realistic problems based on the 2D SWEs by …