Showing papers in "Journal of Hydro-environment Research in 2016"

TL;DR: In this paper, the impact of climate change on the hydrological regime of the Koshi river basin in the Himalayan region was investigated using the J2000 model, showing that snowfall is projected to decrease substantially due to the rise in temperature, the basin will lose snow storage capacity, and there will be a marked decrease in snowmelt runoff from non-glaciated areas.

TL;DR: In this article, outputs of three statistical downscaling (SD) methods including the change factor (Delta), simplified (simQP), and advanced (wetQP) quantile-perturbation-based approaches were compared based on daily rainfall series at 9 meteorological stations in the Lake Victoria basin (LVB) in Eastern Africa.

TL;DR: In this paper, a comparison between rainfall trend results from the long-term data and those of short-term series selected over different time periods was made, and a homogeneity test was conducted to assess the coherence of the trend directions on a regional basis.

TL;DR: In this article, the authors investigated the mean and turbulent flow structure in the distorted shear layer in a discharge-adjustable plexiglass circulating flume, and the results showed that a stronger helical cell was formed and extended for a longer distance downstream when the tributary channel had a higher flow rate than the main channel.

TL;DR: In this article, the adsorption of phosphorus onto sediment in a batch reactor and a dynamic flume was studied experimentally and the effect of velocity, sediment transport patterns, sediment supply, and phosphorus added to water was investigated in the two systems.

TL;DR: Experimental results demonstrate that ECLPSO helps to robustly derive feasible high quality solutions for the two cases studied, including the short-term scheduling of a 4-reservoir hydrothermal power system and the long-term planning of China's Xiluodu–Xiangjiaba–Threegorges 3-reservation hydropower system.

TL;DR: In this paper, the effects of discontinuous rigid submerged vegetation patches on flow turbulence were investigated and two laboratory flume experiments were performed to validate the large eddy simulation (LES) model.

TL;DR: In this article, the authors present test results carried out on different alternatives of multiple vanes with different spaces between the vanes under different hydraulic conditions in a 90-degree mild flume bend.

TL;DR: In this article, a simulation of a modified constructed wetland system (EvaTAC) was undertaken to determine empirical effects of geometric and flow parameters on the hydraulic performance and the effluent pollutant fraction.

TL;DR: In this article, the authors investigated the effect of gradual and instantaneous sea level rise (SLR) on the seawater intrusion (SWI) process in coastal aquifer systems with different levels of land surface inundation.

TL;DR: The dependence of curvature-induced secondary flow on the curvature ratio H/R (H is the average flow depth and R is the centreline radius of curvatures), the Froude number Fr, and the dimensionless roughness coefficient Cf was systematically investigated in a series of 25 experiments in a laboratory flume as mentioned in this paper.

TL;DR: In this paper, the acute impacts of flushing and quantify threshold conditions for fish protection were carried out during periods of sediment flushing, and laboratory experiments were performed with carp exposed in water containing different suspended sediment concentration (SSCs).

TL;DR: In this paper, a long-term operating rule was designed by coupling a mathematical model and a new hybrid harmony search algorithm, while considering the stochastic nature of rainfall events.

TL;DR: Wang et al. as discussed by the authors presented the results for detailed hydraulic structures, including velocity fields, flow patterns, recirculating flows and turbulent structures in a pool, for conditions with slopes of 4.2% and 2.6%.

TL;DR: In this paper, the authors present a methodology to assess the impacts of climate change on a flood prone area of a coastal river basin in the central region of Vietnam, based on a validated deterministic hydrological model, which integrates geology, soil, topography, river systems and climate variables.

TL;DR: In this article, the trend and acceleration of sea level rise (SLR) at the tide gauge stations around Korea were estimated using both traditional polynomial regression analysis and ensemble empirical mode decomposition (EEMD) approach.

TL;DR: In this article, the authors analyzed the scour characteristics and morphologies downstream of rock sills due to channel curvature at the hydraulic laboratory of the University of Pisa, Italy.

TL;DR: In this paper, the authors used an empirical orthogonal function (EOF) analysis to examine the influence of hydrodynamic factors (water depth, wind, wave height, and current velocity) and environmental factors (salinity and temperature) on SSC variability.

TL;DR: In this article, the authors presented the applications of copula functions to construct confidence intervals of bivariate drought frequency curve, which were constructed using observed monthly rainfall after extracting drought properties such as severity and duration.

TL;DR: The six parameters of the Modified Bartlett–Lewis Rectangular Pulse (MBLRP) model were regionalized across the Korean Peninsula for all 12 calendar months and the synthetic rainfall time series generated based on the parameter maps successfully reproduced the various statistical properties of the observed rainfall.

TL;DR: In this paper, a wavelet neural network (WNN) model was used to represent a machine learning approach which was improved through using an inputoutput matrix for the model parameter training to timely adjust input parameters according to the errors produced in the model application process, so as to reduce overall forecast errors as much as possible.

TL;DR: In this article, the authors investigated the influence of initial system parameters on the evolution process of rivers, including control over channel sinuousness, channel width and dominant discharge, eventually leading to different results of planforms.

TL;DR: In this paper, a sub-catchment scale, mass-balance approach to understand the behaviour of the critical nutrient, phosphorous (P), has been taken to determine a P budget for the lake, and identify key P reservoirs, hydrological inflows and outflows were measured over a 15 month period.

TL;DR: In this paper, the authors build quantitative statistical datasets about typhoons in the northwestern Pacific Ocean that approach the Korean Peninsula and use these data to analyze the characteristics of typhoon activity (e.g., TC genesis location, TC path, recurving position, and intensity).

TL;DR: In this paper, the wave characteristics of Bragg reflections for a train of surface water waves from a series of submerged bottom breakwaters were investigated numerically using boundary discretization technique.

TL;DR: In this paper, an innovative approach to take into account the boundary effects of channel banks, water surface, and channel bed was also proposed, and a numerical model was developed to explore the influence of vane shapes on the induced transverse bed profiles.

TL;DR: In this article, a smoothed particle hydrodynamics (SPH)-based approach is proposed to model subcritical and supercritical flows at open channel junctions, which considers the internal boundary conditions at junctions in the numerical formulation.

TL;DR: In this article, a 2D depth-averaged version of the SLIM model is applied to the Mahakam Delta (Borneo, Indonesia), the adjacent ocean, and three lakes in the central part of the main catchment.

TL;DR: In this article, the influence of the velocity ratio on the dynamic, thermal and turbulent characteristics of a wall jet in a coflow stream with different velocity ratios ranging from 0 to 0.2 was investigated.

TL;DR: The model can be applied to track water exchange between water bodies in estuaries and coastal ocean for simulation and characterization of solute transport, and predict water body self-purification capacity.