Journal of Hydrologic Engineering: Recent submissions
Now showing items 21-40 of 3207
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Temporal Evaluation of Scour Hole Dimensions due to Plain Wall Jets in Noncohesive Sediments Using a Soft Computing Approach: White-Box versus Black-Box Modeling
(American Society of Civil Engineers, 2025)Jet scour presents a significant challenge for hydrological analysis and hydraulic design of river structures, with the temporal dynamics of scour hole dimensions posing a critical concern. This study analyzed the effectiveness ... -
Assessment of Nonstationary Drought Frequency under Climate Change Using Copula and Bayesian Hierarchical Models
(American Society of Civil Engineers, 2025)Characterization of nonstationarity in drought metrics due to the effects of combined forcings of natural climate variability and anthropogenic climate change are critical to effective adaptive management of future droughts. ... -
SWMM Simulation of the Stormwater Volume Control Performance of Rainwater Harvesting Systems
(American Society of Civil Engineers, 2025)EPA’s stormwater management model (SWMM) has been widely used in the planning and design of stormwater management facilities. SWMM is capable of simulating the hydrologic performance of low-impact development (LID) practices. ... -
Spatial Dependence of Extreme Rainfall and Development of Intensity–Duration–Frequency Curves Using Max-Stable Process Models
(American Society of Civil Engineers, 2025)The effective management of flood risk and urban drainage design hinges on a comprehensive understanding and accurate modeling of extreme rainfall variations, particularly in vulnerable areas. The study proposes to model ... -
Simulation of Vertical Water Temperature Distribution in a Megareservoir: Study of the Xiaowan Reservoir Using a Hybrid Artificial Neural Network Modeling Approach
(American Society of Civil Engineers, 2024)When reservoirs are constructed on rivers, river velocity decreases and the river system gradually evolves into a reservoir system. This phenomenon is particularly pronounced in the case of megareservoirs. Previous studies ... -
Quantification of Curve Numbers for Arid Watersheds
(American Society of Civil Engineers, 2025)Although the curve number (CN) method has been widely used in rainfall and runoff models, the physical interpretation of the CN method is still challenging, for instance how to estimate the potential maximum retention. ... -
Hybrid Multivariate Machine Learning Models for Streamflow Forecasting: A Two-Stage Decomposition–Reconstruction Framework
(American Society of Civil Engineers, 2024)Robust and accurate streamflow forecasting holds significant importance for flood mitigation, drought warning and water resource management. On account of the intricate nonlinear and nonstationary nature of streamflow time ... -
Advancement of a Blended Hydrologic Model for Robust Model Performance
(American Society of Civil Engineers, 2024)A blended model structure has emerged as an alternative to the traditional representation of model structure in a hydrologic model, in which multiple algorithmic choices are used to represent some hydrologic process within ... -
Extracting the Event Characteristics of Rainfall
(American Society of Civil Engineers, 2024)A method is proposed and demonstrated for extracting the spatial and temporal characteristics of individual rainfall events using hourly rainfall measurements at an array of rain gauges. The method is based on identifying ... -
Maximum Lateral Expansion of Wetting Bulbs from Buried and Surface Point Sources: Implications for Drip Irrigation Design
(American Society of Civil Engineers, 2024)In surface and subsurface drip irrigation systems, predicting the size expansion of the wetting bulb and the irrigation time is mandatory for water saving, and helps drive their design and scheduling, which cannot ignore ... -
Modeling High Pan Evaporation Losses Using Support Vector Machine, Gaussian Processes, and Regression Tree Models
(American Society of Civil Engineers, 2024)Evaporation is considered to be one of the most influential hydrological processes, contributing significantly to water loss within the hydrological cycle. This study aimed to address the challenge of modeling daily pan ... -
Machine Learning–Based Early-Warning Systems for Salinity Intrusion in the Mekong River Delta, Vietnam
(American Society of Civil Engineers, 2024)The Mekong Delta is renowned as one of the world’s most productive regions for rice cultivation. However, it faces significant challenges due to salinity intrusion, where seawater from the South China Sea flows upstream ... -
Quantification of the Escalating Influence of Anthropogenic Factors in Suspended-Sediment Concentration Regimes
(American Society of Civil Engineers, 2024)River systems act as conveyor belts carrying sediments in huge quantities from upstream to downstream regions of the basins. Suspended sediment (SS) is a vital element in a river system due to its importance in the planning, ... -
Enhancing the Evaporation Method for Accurately Determining Unsaturated Soil Properties in the Wet Range
(American Society of Civil Engineers, 2024)The evaporation (EV) method is a widely used experimental approach to determine unsaturated hydraulic conductivity (UHC) and soil water retention (SWR) functions. However, the EV method has some limitations in evaluating ... -
Contributions of Climate Change and Human Activities to Changes in Base Flow and Direct Runoff in the Huai River Basin, China
(American Society of Civil Engineers, 2024)Neglecting the changes in runoff components, i.e., base flow (Qb) and direct runoff (Qd), may lead to inaccurate estimations of the relative influence of climate change and human activities on total runoff (Q). To ... -
Canopy-Radiation Balance Method to Assess Daily Actual Evapotranspiration: Applications in Brazil’s Caatinga Forest
(American Society of Civil Engineers, 2024)Evapotranspiration is a key hydrological process in Brazil’s 1,000,000-km2 tropical semiarid Caatinga biome, where monitoring is crucial, but data are scarce. We propose a method to estimate daily actual evapotranspiration ... -
Multivariate Analysis and Anomaly Detection of a US Reservoir Sedimentation Data Set
(American Society of Civil Engineers, 2024)Sedimentation processes in reservoirs can jeopardize their functionality and compromise dam safety. Climate change and associated hydrologic uncertainty are introducing additional stressors to US reservoirs, and data-driven ... -
Runoff Prediction in Small Rivers Using Dynamic Parameter Fitting with Observed Rainfall Data
(American Society of Civil Engineers, 2024)Floods in a small river basin measuring a few square kilometers can sometimes cause the water levels to rise more than 1 m within 10 min. Therefore, the importance of runoff prediction within tens of minutes is greater in ... -
Rainfall Infiltration Test and Numerical Simulation Analysis of a Large Unsaturated Soil Slope
(American Society of Civil Engineers, 2024)Rainfall infiltration is the primary factor affecting slope stability, which may lead to geological hazards such as landslides, collapses, and debris flows. Thus, it is crucial to investigate the rainfall infiltration ... -
Response of Precipitation Increases to Changes in Atmospheric Moisture and Its Flux in the Columbia River Basin: WRF Model–Based Precipitation Maximization for PMP Studies
(American Society of Civil Engineers, 2024)US probable maximum precipitation (PMP) estimation guidance fundamentally relies on the assumption that any change in precipitable water is consistent with the change in precipitation. While this assumption is theoretically ...