Modeling the effect of uncertainties in rainfall characteristics on flash flood warning based on rainfall thresholds
SJ Wu, CT Hsu, HC Lien, CH Chang - Natural Hazards, 2015 - Springer
This study proposes a risk assessment framework for quantifying the reliability of the rainfall
threshold used in flash flood warning, which should be influenced by the uncertainties in the …
threshold used in flash flood warning, which should be influenced by the uncertainties in the …
Iterative explicit simulation of 1D surges and dam‐break flows
CT Hsu, KC Yeh - … journal for numerical methods in fluids, 2002 - Wiley Online Library
The one-dimensional Saint Venant equations for shallow-water ows are used to simulate the
ood wave resulting from the sudden opening (or closure) of a gate or collapse of a dam. An …
ood wave resulting from the sudden opening (or closure) of a gate or collapse of a dam. An …
Variation of uncertainty of drainage density in flood hazard mapping assessment with coupled 1D–2D hydrodynamics model
Coupled 1D–2D hydrodynamic models are widely utilized in flood hazard mapping. Previous
studies adopted conceptual hydrological models or 1D hydrodynamic models to evaluate …
studies adopted conceptual hydrological models or 1D hydrodynamic models to evaluate …
A case study for the application of an operational two-dimensional real-time flooding forecasting system and smart water level gauges on roads in Tainan City, Taiwan
An operational two-dimensional real-time flood forecasting system has been developed to
prevent urban inundation in Taiwan, and it uses the Delft-FEWS (Flood Early Warning System…
prevent urban inundation in Taiwan, and it uses the Delft-FEWS (Flood Early Warning System…
[HTML][HTML] Modeling GA-derived optimization analysis for canal-based irrigation water allocation under variations in runoff-related and irrigation-related factors
SJ Wu, HY Yang, CH Chang, CT Hsu - Agricultural Water Management, 2023 - Elsevier
This study proposes an optimal analysis model for carrying out the canal-based irrigation
water allocation (OPA_IWA_Canal) for a schedule-based irrigation zone under consideration …
water allocation (OPA_IWA_Canal) for a schedule-based irrigation zone under consideration …
Stochastic modeling of artificial neural networks for real-time hydrological forecasts based on uncertainties in transfer functions and ANN weights
SJ Wu, CT Hsu, CH Chang - Hydrology Research, 2021 - iwaponline.com
This study proposes a stochastic artificial neural network (named ANN_GA-SA_MTF), in which
the parameters of the multiple transfer functions considered are calibrated by the modified …
the parameters of the multiple transfer functions considered are calibrated by the modified …
Real-time correction of water stage forecast using combination of forecasted errors by time series models and Kalman filter method
This study modifies a real-time correction method for water stage forecasts (named the
RTEC_TS&KF model) using the time series method developed by Wu et al. (Stoch Environ Res …
RTEC_TS&KF model) using the time series method developed by Wu et al. (Stoch Environ Res …
Modeling of uncertainty for flood wave propagation induced by variations in initial and boundary conditions using expectation operator on explicit numerical solutions
SJ Wu, CT Hsu - … Journal for Numerical Methods in Engineering, 2018 - Wiley Online Library
This study proposes a framework for uncertainty analysis by incorporating explicit numerical
solutions of governing equations for flood wave propagation with the expectation operator. It …
solutions of governing equations for flood wave propagation with the expectation operator. It …
Long-term temporal flood predictions made using convolutional neural networks
This study proposes a method for predicting the long-term temporal two-dimensional range
and depth of flooding in all grid points by using a convolutional neural network (CNN). The …
and depth of flooding in all grid points by using a convolutional neural network (CNN). The …
Real-time error correction of two-dimensional flood-inundation simulations during rainstorm events
SJ Wu, CH Chang, CT Hsu - Stochastic Environmental Research and Risk …, 2020 - Springer
This study develops a real-time error correction model named RTEC_2DIS for two-dimensional
(2D) flood-inundation simulations. Inundation depth and flooding area provided by a 2D …
(2D) flood-inundation simulations. Inundation depth and flooding area provided by a 2D …