Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pipe Flowrate Measurement01:28

Pipe Flowrate Measurement

707
In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
The orifice meter is a simple,...
707
Rapidly Varying Flow01:24

Rapidly Varying Flow

64
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...
64
Underflow Gates01:30

Underflow Gates

56
Underflow gates are vital for controlling water flow in irrigation canals. The three main types of underflow gates — vertical, radial, and drum gates — serve different purposes while ensuring effective flow management. Vertical gates move up and down, generating a free-flowing water jet; radial gates pivot to regulate the flow; and drum gates rotate for precise adjustments. The flow through these gates is influenced by downstream conditions, resulting in free or drowned outflow.Free and...
56
Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

104
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...
104
Weir: Problem Solving01:26

Weir: Problem Solving

53
Water flow in open channels is often measured using hydraulic structures such as weirs, which allow precise calculation of discharge. In a rectangular channel, flow rates are measured using three types of weirs: rectangular sharp-crested, triangular sharp-crested, and broad-crested. The weir head is set at a fixed height above the channel bottom, simplifying calculations and enabling the relationship between depth and flow rate to be analyzed.For the rectangular sharp-crested weir, the flow...
53
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

76
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
76

You might also read

Related Articles

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

Sort by
Same author

Resolving the Water Crisis: There's a Way, But Is There the Will?

Ground water·2023
Same author

Demonstration of Managed Aquifer Recharge in a Coastal Plain Aquifer: Lessons Learned.

Ground water·2022
Same journal

Computing Flow-Field Distortion Coefficients from Well-Construction and Formation Properties.

Ground water·2026
Same journal

Leaky Sewers Hydraulically Disconnect from Groundwater: A Proof-of-Concept.

Ground water·2026
Same journal

Python-Based Model Emulation Workflows with PEST.

Ground water·2026
Same journal

Hydrogeology in the Age of AI and Climate Change.

Ground water·2026
Same journal

Aquifer Thermal Energy Storage: Groundwater for Efficient Data Center Cooling in the United States.

Ground water·2026
Same journal

Simulating the Impacts of Deep Geothermal Development on Shallow Hydrothermal Resources in a Rocky Mountain Rift Valley.

Ground water·2026
See all related articles

Related Experiment Video

Updated: Jul 8, 2025

Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA
09:22

Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA

Published on: October 31, 2011

13.0K

Evaluating Flow Distribution in a Multiaquifer Recharge Well Using an In Situ Flowmeter.

Meredith B Martinez1, Mark A Widdowson1

  • 1Department of Civil and Environmental Engineering, Virginia Tech, 750 Drillfield Drive, 200 Patton Hall, Blacksburg, Virginia, 24061.

Ground Water
|December 12, 2023
PubMed
Summary
This summary is machine-generated.

Flow distribution in managed aquifer recharge (MAR) wells varies significantly. Preferential flow occurs in upper screens during recharge and pumping, impacting groundwater quality and transport modeling.

More Related Videos

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
05:11

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

Published on: June 27, 2025

10
Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure
07:15

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure

Published on: April 25, 2025

321

Related Experiment Videos

Last Updated: Jul 8, 2025

Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA
09:22

Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA

Published on: October 31, 2011

13.0K
High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
05:11

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

Published on: June 27, 2025

10
Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure
07:15

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure

Published on: April 25, 2025

321

Area of Science:

  • Hydrogeology
  • Environmental Engineering
  • Water Resource Management

Background:

  • Managed aquifer recharge (MAR) operations are crucial for groundwater management.
  • Understanding flow dynamics in multi-screen wells is vital for MAR efficiency and groundwater quality.

Purpose of the Study:

  • To quantify flow rate distribution in a multi-screen MAR well.
  • To analyze flow patterns during both recharge and pumping cycles.
  • To assess the implications of flow distribution on groundwater transport.

Main Methods:

  • Deployment of an impeller flowmeter in a multi-screen MAR well.
  • Measurement of flow rates under both recharge and pumping conditions.
  • Comparison of current flow data with historical measurements.

Main Results:

  • Preferential flow was observed in the uppermost screens during recharge.
  • Flow distribution was more uniform across all screens during pumping.
  • Flow consistently favored the upper sections of individual screens in both operational modes.
  • Flow distribution can change over time due to well conditions and rehabilitation.

Conclusions:

  • Flow distribution in multi-screen wells is dynamic and site-specific.
  • Inconsistent flow patterns necessitate ongoing monitoring in MAR projects.
  • Accurate flow distribution data is essential for reliable groundwater transport modeling and quality assessment.