Journal of Hydrologic Engineering: Recent submissions
Now showing items 41-60 of 3222
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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 ... -
Generalized Relationship Linking Water Balance and Vegetation Productivity across Site-to-Regional Scales
(American Society of Civil Engineers, 2024)Evapotranspiration (ET) is a pivotal component in catchment-scale water balance and is essential for informed watershed management. Nevertheless, uncertainties in ET observation or modeling have been hindering effective ... -
Applicability of ERA5 Reanalysis Precipitation Data in Runoff Modeling in China’s Ili River Basin
(American Society of Civil Engineers, 2024)The widespread utilization of reanalysis-based precipitation (RP) data has significantly facilitated hydrometeorological studies in areas where observations are scarce. However, assessing the applicability of the RP data ... -
Predicting Hydrological Droughts of Long-Narrow Type Drainage Basin Using Monte Carlo Technique
(American Society of Civil Engineers, 2024)Drought forecasting is a critical aspect of water resource management, where droughts have substantial economic and environmental impacts. This study employs a Monte Carlo–based approach, complemented by statistical ... -
Estimation of Total Drainable Water Storage Using GRACE in the Brahmaputra River Basin, India
(American Society of Civil Engineers, 2024)As the Brahmaputra is a transboundary river, the availability of river flow and hydrometeorological data is less in the public domain for the Brahmaputra river basin. Hence, estimation of water balance is difficult for the ... -
Estimating Reservoir Sedimentation Using Machine Learning
(American Society of Civil Engineers, 2024)Several reservoirs across the United States are filling with sediment, which jeopardizes their functionality and increases maintenance costs. USACE developed the Reservoir Sedimentation Information (RSI) system to assess ...