Journal of Hydrologic Engineering: Recent submissions
Now showing items 761-780 of 3312
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Parsimonious Mathematical Characterization of Channel Shape and Size
(American Society of Civil Engineers, 2017)This work has two purposes: (1) starting from the classic hydraulic geometry formulation, present a mathematically parsimonious, two-parameter, characterization of channel shape and size; and (2) analytically ... -
Impacts of Climate Change on Low Flows at Tang Panj Sezar Subbasin, Southwest of Iran
(American Society of Civil Engineers, 2017)Any change in characteristics of low flows under climate change may have important effects on various socioeconomic, environmental, water resource, and governmental planning aspects. The aim of this research was to use ... -
Simulation of Modeling of Water Ecohydrologic Dynamics in a Multilayer Root Zone under Protected Conditions in the Temperate Region of India
(American Society of Civil Engineers, 2017)The present study was conducted to simulate the moisture dynamics for a multilayer soil under protected conditions for a pea crop (Pisum sativum). A field experiment was conducted in a temperate region of the Kashmir valley, ... -
Evaluating the Uncertainties in the SWAT Model Outputs due to DEM Grid Size and Resampling Techniques in a Large Himalayan River Basin
(American Society of Civil Engineers, 2017)Uncertainty in hydrological and nutrient modeling is a challenging task over large snow-fed and complex Himalayan watersheds. Digital elevation models (DEMs) are an important input for hydrological models. At times, DEM ... -
Nappe Flow Surges down a Rough-Stepped Sloping Channel
(American Society of Civil Engineers, 2017)Nappe flow applies to small discharges, and investigation of nappe flow surges helps to understand the mechanism of water flow in stepped open channels. The objective of this paper is to investigate the nappe flow surge ... -
Estimation of the Variogram Using Kendall’s Tau for a Robust Geostatistical Interpolation
(American Society of Civil Engineers, 2017)The estimation of an appropriate variogram is a crucial step toward the description of spatial dependence, the geostatistical interpolation of environmental variables, and the subsequent hydrological engineering. The ... -
Simplified Lumped Groundwater Model to Simulate Nitrate Concentration Dynamics
(American Society of Civil Engineers, 2017)Modeling of the nitrate concentration in groundwater can help ensure proper groundwater management and utilization, especially as a drinking water supply. Here, a groundwater nitrate tank model (GNTM) is proposed to simulate ... -
Tillage Erosion Effect on Soil Hydrological Properties in a Hilly Landscape
(American Society of Civil Engineers, 2017)Two or more processes of soil erosion simultaneously exist in a hillslope landscape, and those processes can interact with each other. Yet, how one process impacts another remains unresolved. The objective of the study was ... -
Watershed Classification Using Isomap Technique and Hydrometeorological Attributes
(American Society of Civil Engineers, 2017)Classification of watersheds into hydrologically similar groups prior to regionalization is essential for predicting streamflow in ungauged basins. The objective of this study was to improve the efficiency of classification ... -
Comparison of Two Watershed Models for Addressing Stakeholder Flood Mitigation Strategies: Case Study of Hurricane Alex in Monterrey, México
(American Society of Civil Engineers, 2017)Extreme flooding in the metropolitan area of Monterrey, México has led to an interest from local stakeholders in potential mitigation strategies in the Santa Catarina watershed. The authors analyze a set of hydraulic ... -
Data Assimilation for Streamflow Forecasting: State–Parameter Assimilation versus Output Assimilation
(American Society of Civil Engineers, 2017)This paper compares two data assimilation methods: state–parameter assimilation and output assimilation in improving streamflow forecasting using the Soil and Water Assessment Tool (SWAT) model. The state–parameter ... -
Forecasting Evaporative Loss by Least-Square Support-Vector Regression and Evaluation with Genetic Programming, Gaussian Process, and Minimax Probability Machine Regression: Case Study of Brisbane City
(American Society of Civil Engineers, 2017)Daily evaporative loss (Ep) forecasting models are decisive tools with potential applications in hydrology, the design of water systems, urban water assessments, and irrigation management. This paper performs a case study ... -
Climate Change Impacts on Catchment-Scale Extreme Rainfall Variability: Case Study of Rize Province, Turkey
(American Society of Civil Engineers, 2017)This paper conducts a catchment-scale analysis of extreme rainfall events of the reference (1961–1990) and three future climate periods (2013–2039, 2040–2070, and 2071–2100) for Rize Province, Turkey. The extreme value ... -
Quantification of Modeled Streamflows under Climate Change over the Flint River Watershed in Northern Alabama
(American Society of Civil Engineers, 2017)This study quantified the impacts of climate change on water availability over the Flint River subwatershed (FRW) located in the Wheeler Lake Watershed (WLW) in northern Alabama. The observed climate data were obtained ... -
Optimal Reservoir Operation under Climate Change Based on a Probabilistic Approach
(American Society of Civil Engineers, 2017)Recently, climate change and global warming issues with rapid global population growth and socioeconomic development have increased water demand and caused more pressure on water resources. Reservoirs in semiarid regions ... -
Reducing Computational Runtime of Two-Dimensional Urban Inundation Model by Dynamic Domain Reshaping
(American Society of Civil Engineers, 2016)Coupling rainfall-runoff and one-dimensional (1D)/two-dimensional (2D) hydrologic models provides the current state-of-the-art approach for predicting the extent of urban inundation, although the computational cost for ... -
Quantifying Transmission Losses in a New Mexico Ephemeral Stream: A Losing Proposition
(American Society of Civil Engineers, 2017)Under natural conditions, stormwater runoff in much of the semiarid Southwest drains through a network of unlined stream channels called arroyos. Dry during most of the year, arroyos are transformed into raging rivers for ... -
Time-Space Fractional Governing Equations of Unsteady Open Channel Flow
(American Society of Civil Engineers, 2017)In this study, the complete governing equations for unsteady open channel flow in fractional time-space are developed from the fractional continuity equation combined with the fractional motion equation, which is based on ... -
Erratum for “Resonance of Free-Surface Waves Provoked by Floodgate Maneuvers” by Ali Triki
(American Society of Civil Engineers, 2016) -
Analytical Model for Contaminant Migration with Time-Dependent Transport Parameters
(American Society of Civil Engineers, 2016)A general analytical model for one-dimensional (1D) contaminant transport in infinite domain with time-dependent transport parameters is presented in this paper. The model is based on the advection-dispersion equation with ...