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

The Antenna Complex01:15

The Antenna Complex

8.0K
Plants and other photosynthetic organisms comprise pigments capable of absorption of direct sunlight. These pigments are present in the reaction center - the main site of photochemical reactions as well as in the antenna complex. Under average light conditions, the rate at which reaction center pigments absorb light is far below the electron transport chain's capacity. As a result, the reaction center alone cannot provide enough energy to drive photosynthesis. The photosynthetic efficiency can...
8.0K
Taping Over Different Ground Profiles01:12

Taping Over Different Ground Profiles

404
Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...
404
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

612
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...
612
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.1K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
2.1K
Uniform Depth Channel Flow: Problem Solving01:18

Uniform Depth Channel Flow: Problem Solving

519
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
519
Connective Tissue Fibers and Ground Substance01:17

Connective Tissue Fibers and Ground Substance

21.1K
One of the significant functions of connective tissue is connecting tissues and organs. Unlike epithelial tissue that is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are dispersed in a matrix. The matrix usually includes a large amount of extracellular material produced by the connective tissue cells that are embedded within it. It plays a significant role in the functioning of this tissue. The major component of the matrix is a...
21.1K

You might also read

Related Articles

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

Sort by
Same author

Ocular toxicities associated with anticancer drug therapy in Asian patients: a literature review and practical management recommendations for non-ophthalmologic settings.

International journal of clinical oncology·2026
Same author

Fosnetupitant for long-delayed chemotherapy-induced nausea and vomiting in oxaliplatin-based regimens: a prospective observational study (LODEC-N).

Cancer chemotherapy and pharmacology·2026
Same author

In situ evidence of self-accelerating turbidity currents.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Resting Heart Rate and Incident CKD Among Individuals With CKD Risk Factors.

Nephrology (Carlton, Vic.)·2026
Same author

Platelet indices and incident CKD in high-risk individuals.

Clinical and experimental nephrology·2026
Same author

eGFR slope and risk of cardiovascular, kidney, and mortality outcomes in hypertension: a longitudinal cohort study.

Journal of hypertension·2026

Related Experiment Video

Updated: Feb 10, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

8.2K

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground

Hirotaka Saito1, Seiichiro Kuroda2, Toshiki Iwasaki3

  • 1Graduate School of Agriculture, Tokyo University of Agriculture and Technology; hiros@cc.tuat.ac.jp.

Journal of Visualized Experiments : Jove
|May 22, 2018
PubMed
Summary

Ground Penetrating Radar (GPR) accurately monitored water infiltration dynamics using a dense antenna array. Time-lapse data revealed wetting front depth and electromagnetic wave velocity changes.

More Related Videos

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible
14:44

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible

Published on: May 13, 2025

2.6K
Multi-Photon Time Lapse Imaging to Visualize Development in Real-time: Visualization of Migrating Neural Crest Cells in Zebrafish Embryos
10:13

Multi-Photon Time Lapse Imaging to Visualize Development in Real-time: Visualization of Migrating Neural Crest Cells in Zebrafish Embryos

Published on: August 9, 2017

8.2K

Related Experiment Videos

Last Updated: Feb 10, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

8.2K
Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible
14:44

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible

Published on: May 13, 2025

2.6K
Multi-Photon Time Lapse Imaging to Visualize Development in Real-time: Visualization of Migrating Neural Crest Cells in Zebrafish Embryos
10:13

Multi-Photon Time Lapse Imaging to Visualize Development in Real-time: Visualization of Migrating Neural Crest Cells in Zebrafish Embryos

Published on: August 9, 2017

8.2K

Area of Science:

  • Geophysics
  • Hydrology
  • Environmental Science

Background:

  • Subsurface hydrological processes are challenging to monitor non-invasively.
  • Ground Penetrating Radar (GPR) offers potential for subsurface imaging.
  • Time-lapse GPR data analysis for dynamic processes remains an area of active research.

Purpose of the Study:

  • To evaluate the efficacy of a densely populated, ground-coupled antenna array GPR system for monitoring water infiltration.
  • To quantitatively assess subsurface changes during infiltration using time-lapse GPR data.
  • To estimate electromagnetic wave velocity and wetting front depth over time.

Main Methods:

  • Utilized a 10-transmitter and 11-receiver antenna array GPR system for Multi-Offset Gather (MOG) data acquisition.
  • Reconstructed Common-Offset Gather (COG) and Common Mid-Point (CMP) data cubes from MOG.
  • Estimated electromagnetic wave velocity via hyperbola fitting on time-lapse CMP data at 1-minute intervals.
  • Calculated wetting front depth based on estimated velocity changes.

Main Results:

  • Successfully reconstructed COG and CMP data cubes from dense array GPR data.
  • Heuristically estimated electromagnetic wave velocity at 1-minute intervals using time-lapse CMP data.
  • Calculated the depth of the wetting front, showing evolution consistent with soil moisture sensor data.
  • Demonstrated quantitative monitoring of subsurface water infiltration dynamics.

Conclusions:

  • A densely populated array GPR system can accurately monitor dynamic subsurface processes like water infiltration.
  • Time-lapse CMP data analysis provides a viable method for estimating EM wave velocity changes.
  • This approach offers a quantitative tool for understanding hydrological processes in near-surface environments.