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Is Bedform Development Chaotic?
A qualitative analysis of a model for the partially specified bedform development system is presented. The study rests on the use of technique of loop analysis and the connection of the...

Effects on River Mechanics Due to Reduction in Low-Season Discharge
India's diversion of water from the Ganges River 11 miles upstream from Bangladesh's western border during the low-flow season seriously adversely affects Bangladesh's irrigated agriculture,...

Farakka Barrage - It's Impacts and Possible Mitigation
The paper discusses the impacts and possible implications of the Farraka Barrage Project across the Ganges River on different sectors in Bangladesh including hydrology and river morphology,...

Long Term Predictability of River Stages under ENSO Influence
The paper explores the bases for alternative approaches to river flow and hydrologic time series forecasting. The precipitation that forces river flow contains significant modes of variability...

Ice Accumulation Rate and the Geometry of Ice Jams in River Bends
Experiments on development of ice jams in river bends were performed in a 2.60-m-wide bend flume with a sand bed and 5-mm-diameter plastic beads simulating ice particles. The ice particles...

Instream and Streambank Environmental Feature Guidelines
Tightened regulatory requirements and a renewed appreciation for the benefits of preserving our diminishing natural resources have led to a recent profusion of stream restoration projects...

Estimation of Spillway Free Jet Trajectory Lengths
The design of high head spillways with flip bucket terminal structures must include analysis of the length of the free jet issuing from the spillway. Prototype jet trajectory lengths are...

Problems with Indirect Determinations of Peak Streamflows in Steep, Desert Stream Channels
Many peak streamflow values used in flood analyses for desert areas are derived using the Manning equation. Data used in the equation are collected after the flow has subsided, and peak...

At-A-Site Mountain River Flow Resistance Variation
At-a-site variation in flow resistance is examined in the light of observations of an S-shaped velocity profile at relative submergences (d/D₈₄)...

Floodflow Effects on Riparian Vegetation in Arizona
A relation for estimating changes in the condition of riparian vegetation as a function of stream power was developed for stream channels in central Arizona. Flood and vegetation data...

Flow patterns in a mountain stream
This paper deals with the occurrence of subcritical and supercritical flow, and their related flow patterns. A flow pattern theory was presented by Bathurst et al., (1979), that considers...

Critical and Supercritical Flows in two Unstable, Mountain Rivers, Toutle River System, Washington
Critical and supercritical flows are generally considered to be rare occurrences in natural river channels. This paper presents data and results pertaining to the existence of measured...

Energy Losses in Steep Tributary Streams at Flows Near The Threshold of Bedload Entrainment
The flow patterns in mountain tributary streams that depends on the channel morphology, cobbles, boulders and debris that protrude along the channel and bank height cause energy losses...

The Transport of Gravels in Boulder-Bed Streams
In boulder-bed streams, gravel is typically found in isolated pockets protected by local flow obstructions. The deposition and entrainment of these gravels depend strongly on the local...

A General Theory of Channel Adjustment in High Gradient Streams
The paper presents a theory of channel adjustment in high gradient streams. This theory states that given sufficient energy, stream channels will adjust their dimensions and flow hydraulics...

On Habitat Simulation in Mountain Rivers
Mountain rivers are quite different from other rivers and one of the characteristics that distinguish them from others is the large variation in velocities with time, with location in...

Streamflow Related to Channel Geometry in Northern New England
Channel geometry measurements can be used to estimate various streamflow characteristics at ungaged stream locations. Channel cross section dimensions and sediment size distributions were...

Width Adjustment: Relative Dominance in Unstable Alluvial Streams
The mechanisms that control the relative dominance of width adjustment in unstable streams are described. Specifically, the role of the following factors affecting the fluvial environment...

Evaluating an Autoregressive Model for Stream Flow Forecasting
Daily stream discharge generated by an Autoregressive Model is helpful in the design and risk assessment of temporary riverine construction projects. This case study uses actual daily...

Meeting Instream Flow Needs of Lower Colorado River in Texas
The Lower Colorado River Authority (LCRA), an agency of the State of Texas, manages the surface waters of the lower Colorado River in Texas. The major water supply source in the lower...

 

 

 

 

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