Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Rapidly Varying Flow

Rapidly Varying Flow

Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...

Typical Model Studies

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.

Design Example: Creating a Hydraulic Model of a Dam Spillway

Design Example: Creating a Hydraulic Model of a Dam Spillway

Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.

Design Example: Design of an Irrigation Channel

Design Example: Design of an Irrigation Channel

Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...

Gradually Varying Flow

Gradually Varying Flow

Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Inter-identity threats and opportunities shaping professional influence for the Allied Health Profession (AHP) healthcare workforce: a study of identity paradox.

Social science & medicine (1982)·2025

Same author

Evaluating segmentation methods for UAV-Based Spoil Pile Delineation.

Scientific reports·2025

Same author

Voxel Volumes and Biomass: Estimating Vegetation Volume and Litter Accumulation of Exotic Annual Grasses Using Automated Ultra-High-Resolution SfM and Advanced Classification Techniques.

Ecology and evolution·2025

Same author

Factors associated with time to return to horse racing following a clavicle fracture in jockeys competing in Great Britain: A review and analysis of medical records.

PloS one·2025

Same author

Minimal intervention (removable splint or bandage) for the management of distal forearm fractures in children and adolescents: A scoping review.

Injury·2024

Same author

Designing an Observing System to Study the Surface Biology and Geology (SBG) of the Earth in the 2020s.

Journal of geophysical research. Biogeosciences·2023

Search research articles

Related Experiment Video

Updated: May 30, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Dynamic floodplain vegetation model development for the Kootenai River, USA.

Rohan Benjankar¹, Gregory Egger, Klaus Jorde

¹Center for Ecohydraulics Research, University of Idaho, 322 E. Front Street, Boise, ID 83702, USA. rohanb@uidaho.edu

Journal of Environmental Management

|August 20, 2011

Summary

River modification in the Kootenai River floodplain altered vegetation dynamics. A new model, CASiMiR-vegetation, simulates these changes, aiding restoration efforts by assessing hydrological impacts on riparian ecosystems.

More Related Videos

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)

Published on: October 11, 2016

A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

Published on: January 26, 2018

Related Experiment Videos

Last Updated: May 30, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)

Published on: October 11, 2016

A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

Published on: January 26, 2018

Area of Science:

Ecology
Hydrology
Environmental Science

Background:

The Kootenai River floodplain in Idaho has experienced significant disconnection from its main channel due to levee construction and Libby Dam operations since 1972.
These alterations have reduced flood frequency and magnitude, impacting physical processes and floodplain vegetation dynamics.

Purpose of the Study:

To describe the concept, methodologies, and simulated results of the CASiMiR-vegetation model for simulating hydrological alteration effects on floodplain vegetation.
To adapt existing vegetation dynamics theory to observed field data from the Kootenai River.

Main Methods:

The CASiMiR-vegetation model simulates annual vegetation patterns based on physical parameters like shear stress, flood duration, and height-over-base flow.
Hydrodynamic (HD) models were used to simulate historic, pre-dam, and post-dam conditions.
The model's core concept: vegetation recycles if a physical parameter exceeds a threshold; otherwise, succession occurs.

Main Results:

Model calibration and robustness were analyzed.
Overall accuracy and agreement between simulated and observed vegetation maps were low for individual types but improved when merged into vegetation phases.
The area balance approach confirmed the impact of river modification on floodplain vegetation distribution.

Conclusions:

The developed spatially distributed vegetation model represents a significant advancement in modeling riparian vegetation succession.
The model can be utilized for operational loss assessment and river/floodplain restoration projects.