An overview of current applications, challenges, and future trends in distributed process-based models in hydrology

S Fatichi, ER Vivoni, FL Ogden, VY Ivanov, B Mirus… - Journal of …, 2016 - Elsevier
Process-based hydrological models have a long history dating back to the 1960s. Criticized
by some as over-parameterized, overly complex, and difficult to use, a more nuanced view is …

Hydrogeomorphic processes and scaling issues in the continuum from soil pedons to catchments

RC Sidle, T Gomi, JCL Usuga, B Jarihani - Earth-Science Reviews, 2017 - Elsevier
Understanding integrated hydrological phenomena in catchments is difficult because of the
fragmented nature of soil physical and hydrological data, given these are typically derived …

A deep learning modeling framework with uncertainty quantification for inflow-outflow predictions for cascade reservoirs

VN Tran, VY Ivanov, GT Nguyen, TN Anh… - Journal of …, 2024 - Elsevier
Accurate prediction of reservoir inflows and outflows and their uncertainties is essential for
managing water resources and establishing early-warning systems. However, this can be a …

Closing in on Hydrologic Predictive Accuracy: Combining the Strengths of High‐Fidelity and Physics‐Agnostic Models

VN Tran, VY Ivanov, D Xu, J Kim - Geophysical Research …, 2023 - Wiley Online Library
Applications of process‐based models (PBM) for predictions are confounded by multiple
uncertainties and computational burdens, resulting in appreciable errors. A novel modeling …

The origin of fine sediment determines the observations of suspended sediment fluxes under unsteady flow conditions

C Juez, MA Hassan, MJ Franca - Water Resources Research, 2018 - Wiley Online Library
Field observations in a wide range of environments have shown that sediment availability is
a major control on the suspended sediment observations in streams. Here we examine, via …

Robust and efficient uncertainty quantification for extreme events that deviate significantly from the training dataset using polynomial chaos-kriging

VN Tran, J Kim - Journal of Hydrology, 2022 - Elsevier
This study presents the strengths of polynomial chaos-kriging (PCK), a new surrogate model
that merges polynomial chaos extension (PCE) and Gaussian process with kriging variance …

Climate change and uncertainty assessment over a hydroclimatic transect of Michigan

J Kim, VY Ivanov, S Fatichi - Stochastic Environmental Research and Risk …, 2016 - Springer
Predictions of a warmer climate over the Great Lakes region due to global change generally
agree on the magnitude of temperature changes, but precipitation projections exhibit …

Improving the accuracy of dam inflow predictions using a long short-term memory network coupled with wavelet transform and predictor selection

TD Tran, VN Tran, J Kim - Mathematics, 2021 - mdpi.com
Accurate and reliable dam inflow prediction models are essential for effective reservoir
operation and management. This study presents a data-driven model that couples a long …

The role of rainfall spatial variability in estimating areal reduction factors

J Kim, J Lee, D Kim, B Kang - Journal of Hydrology, 2019 - Elsevier
For the last several decades, great efforts have been put into converting point precipitation
into mean areal precipitation in the design of hydraulic and hydrologic infrastructures. The …

An implicit friction source term treatment for overland flow simulation using shallow water flow model

J Hou, T Wang, P Li, Z Li, X Zhang, J Zhao… - Journal of …, 2018 - Elsevier
Aiming at resolving the numerical problems caused by the improper friction source term
treatment when simulating overland flow using 2D shallow water flow models, a proposed …