Journal of Hydrologic Engineering: Recent submissions
Now showing items 201-220 of 3312
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Two Strategies for Avoiding Overfitting Long-Term Forecasting Models: Downsampling Predictor Fields and Shrinking Coefficients
(American Society of Civil Engineers, 2023/04/01)Long-term hydrological forecasting based on sea surface temperature (SST) fields faces the large p and small n problem, i.e., too many potential predictors and a limited number of samples. Considering the selection ... -
Uncertainty Analysis and Quantification in Flood Insurance Rate Maps Using Bayesian Model Averaging and Hierarchical BMA
(American Society of Civil Engineers, 2023/02/01)Flood Insurance Rate Maps (FIRMs) managed by FEMA have been providing ongoing flood information to most communities in the United States over the past half-century. However, the uncertainty associated with the modeling of ... -
A Semianalytical Solution for Transient Confined–Unconfined Flow with Non-Darcian Effect
(American Society of Civil Engineers, 2023/05/01)Pumping at a large rate can convert a confined flow to a confined–unconfined one in a confined aquifer. In this paper, a new semianalytical solution is proposed to investigate the mechanism of transient confined–unconfined ... -
Predicting Groundwater Levels in Ogallala Aquifer Wells Using Hierarchical Cluster Analysis and Artificial Neural Networks
(American Society of Civil Engineers, 2023/03/01)The Ogallala Aquifer, located in the Central Plains of the United States, is essential for agricultural irrigation and public water supply. Indiscriminate pumping from the aquifer has caused several negative impacts, such ... -
Vertical Flux in a Two-Layer Aquifer System Absent of Aquitard
(American Society of Civil Engineers, 2023/04/01)Heterogeneously layered river-basin or reservoir-bank aquifers are widely distributed, and the two-layer aquifer system is a simple representative of such aquifers. In this research, a conceptual model of vertical groundwater ... -
Mixture Probability Models with Covariates: Applications in Estimating Risk of Hydroclimatic Extremes
(American Society of Civil Engineers, 2023/04/01)Modeling of extreme events is important in many scientific fields, including environmental and civil engineering, and impacts and risk assessments. Among available methods, statistical models that allow estimating extremes’ ... -
Inferences of Groundwater Response to Projected Hydroclimatic Changes in North Florida
(American Society of Civil Engineers, 2023/04/01)Discerning anthropogenic stressors on groundwater is critical for climate change adaptation to reduce risks and increase resiliency. Long-term groundwater level trends are forecasted and examined at three sites in North ... -
Determination of Grass Swale Hydrological Performance with Rainfall-Watershed-Swale Experimental Setup
(American Society of Civil Engineers, 2023/03/01)High urbanization adversely affects the hydrological behavior of watersheds. Therefore, different stormwater management strategies have been put forward to mitigate these negative effects. Grass swales are one of the ... -
Identification and Quantification of Surface Depressions on Grassy Land Surfaces of Different Topographic Attributes Using High-Resolution Terrestrial Laser Scanning Point Cloud and Triangulated Irregular Network
(American Society of Civil Engineers, 2023/04/01)The objective of this study was to identify and quantify surface depressions on grass-covered land surfaces using a high-resolution terrestrial laser scanning (TLS) point cloud, and a triangulated irregular network (TIN). ... -
Nonstationary Hydrological Distribution Estimation Using Hierarchical Model with Stochastic Covariates
(American Society of Civil Engineers, 2023/04/01)In nonstationary hydrological frequency analysis, the nonstationarity of hydrological series is often characterized by expressing the distribution parameters as functions of some covariates. The distribution parameters ... -
Spatial-Temporal Variations of Extreme Precipitation Indices in the Xinjiang Cold Area over the Past 60 Years
(American Society of Civil Engineers, 2023/04/01)The damage of extreme precipitation to the social economy and ecological environment has attracted extensive attention. Daily precipitation data of 59 meteorological stations located in Xinjiang Uygur Autonomous Region ... -
Using Water Stable Isotopes and Cross-Correlation Analysis to Characterize Infiltration of Precipitation through Unsaturated Zone at the Velika Gorica Site of Zagreb Aquifer
(American Society of Civil Engineers, 2023/04/01)The unsaturated zone plays a crucial role in the hydrological cycle and is a key factor in modeling and understanding hydrological processes. It regulates water transfer from the land surface to the groundwater while ... -
Hydrologic Performance of Permeable Pavers and a Dome Concrete Forming System: A Comparative Study
(American Society of Civil Engineers, 2023/03/01)The hydrologic performance of permeable interlocking concrete pavers (PICP) and a dome concrete forming system (DCFS) was quantified and evaluated at a retrofitted residential laneway in Toronto, Ontario. The quantification ... -
Flood Seasonality Analysis in Iran: A Circular Statistics Approach
(American Society of Civil Engineers, 2023/02/01)Flood seasonality (FS) analysis is a key to delineating hydrologically homogenous regions and better understanding flood risk, especially for arid regions. Although Iran has undergone heavy floods in current decades, a ... -
Changing Seasonality of Annual Maximum Floods over the Conterminous US: Potential Drivers and Regional Synthesis
(American Society of Civil Engineers, 2023/04/01)Understanding the flood-generating mechanisms that influence flood seasonality in a region provides information on setting up relevant contingency measures. Although former studies estimated flood seasonality at ... -
Bias Correction of Satellite Precipitation Products for Hydrologic Modeling in Western Ghats Region, India
(American Society of Civil Engineers, 2023/04/01)A comprehensive examination of regional errors in Satellite Precipitation Products (SPPs) is crucial for accurate hydrometeorological modelling. In this study, a multiplicative error-based approach was used for correcting ... -
A Hybrid Approach for Regional Low-Flow Frequency Analysis for the
(American Society of Civil Engineers, 2023/06/01)The Tigris and Euphrates basin is a challenging watershed because its water -
Influence of Soil Heterogeneity on Water Flow and Solute Transport Characterized by Dye Tracer Experiments
(American Society of Civil Engineers, 2023/02/01)Soil heterogeneity is a key factor affecting horizontal water flow and solute transport in unsaturated soil, in which particle distribution, pore structure, and pore connectivity in the soil all present fractal characteristics. ... -
Improving Rainfall Fields in Data-Scarce Basins: Influence of the Kernel Bandwidth Value of Merging on Hydrometeorological Modeling
(American Society of Civil Engineers, 2023/07/01)Accurate rainfall fields are important for several hydrological and meteorological applications. In poorly instrumented basins, the lack of rain gauges heavily affects the spatial rainfall estimation, yet neither remote ... -
Advantages of Physically Based Flood Frequency Analysis with Long-Term Simulations for Iowa
(ASCE, 2022/12/01)Flood frequency estimation in the United States has been primarily driven by statistical analysis for the past one hundred years. For ungauged locations, the regionalized equations are developed to provide annual exceedance ...