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

Gene Conversion02:08

Gene Conversion

10.6K
Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
10.6K
Gene Conversion02:08

Gene Conversion

3.0K
3.0K
PI Controller: Design01:24

PI Controller: Design

1.2K
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
1.2K
The Buckingham Pi Theorem01:09

The Buckingham Pi Theorem

1.6K
The Buckingham Pi theorem provides a structured method to simplify fluid dynamics problems by reducing complex systems of variables to dimensionless terms.
1.6K
Determination of Pi Terms01:15

Determination of Pi Terms

621
The Buckingham Pi theorem is a valuable method in dimensional analysis, reducing complex relationships between variables into dimensionless terms. Relevant variables in analyzing the lift force on an airplane wing include lift force, air density, wing area, aircraft velocity, and air viscosity. Expressing each variable in terms of fundamental dimensions — mass, length, and time — provides a consistent foundation for constructing these dimensionless terms.
The theorem indicates that the...
621
Conversion of Units01:36

Conversion of Units

36.0K
Sometimes, there is a need to convert from one unit to another one. For instance, reading a cookbook in which quantities are expressed in units of liters or ounces may require conversion of quantities to cups. Or, when looking up directions on how to get to a location, we may be interested to know how many miles we are going to walk. In this case, we would have to convert units of feet or meters to miles.
The first step in the unit conversion is to list the given units and the units required...
36.0K

You might also read

Related Articles

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

Sort by
Same author

Seismic imaging of a basaltic Lesser Antilles slab from ancient tectonics.

Nature·2025
Same author

Distributed Acoustic Sensing for Future Planetary Applications: Initial Results From the San Francisco Volcanic Field, a Lunar Analogue.

Earth and space science (Hoboken, N.J.)·2024
Same author

Broad fault zones enable deep fluid transport and limit earthquake magnitudes.

Nature communications·2023
Same author

Slab to back-arc to arc: Fluid and melt pathways through the mantle wedge beneath the Lesser Antilles.

Science advances·2023
Same author

Thickness and structure of the martian crust from InSight seismic data.

Science (New York, N.Y.)·2021
Same author

Subduction history of the Caribbean from upper-mantle seismic imaging and plate reconstruction.

Nature communications·2021

Related Experiment Video

Updated: Jan 29, 2026

Erythrocyte Sedimentation Rate: A Physics-Driven Characterization in a Medical Context
08:07

Erythrocyte Sedimentation Rate: A Physics-Driven Characterization in a Medical Context

Published on: March 24, 2023

4.0K

Sediment Characterization at the Equatorial Mid-Atlantic Ridge From P-to-S Teleseismic Phase Conversions Recorded on

M R Agius1,2, N Harmon1, C A Rychert1

  • 1Ocean and Earth Science University of Southampton Southampton UK.

Geophysical Research Letters
|February 19, 2019
PubMed
Summary

Marine sediment thickness was mapped across the Mid-Atlantic Ridge using seismic phase conversions. Sediment thickness increases with seafloor age, but is thinner on older crust, potentially indicating recent productivity changes.

Keywords:
PI‐LABequatorial Mid‐Atlantic Ridgesediments

More Related Videos

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

8.5K
Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris
05:31

Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris

Published on: July 28, 2018

16.8K

Related Experiment Videos

Last Updated: Jan 29, 2026

Erythrocyte Sedimentation Rate: A Physics-Driven Characterization in a Medical Context
08:07

Erythrocyte Sedimentation Rate: A Physics-Driven Characterization in a Medical Context

Published on: March 24, 2023

4.0K
Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

8.5K
Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris
05:31

Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris

Published on: July 28, 2018

16.8K

Area of Science:

  • Geophysics
  • Marine Geology
  • Seismology

Background:

  • Accurate marine sediment characteristics are crucial for understanding sedimentation rates, climate variations, and seismic imaging.
  • Ocean bottom seismic deployments provide valuable data for geophysical studies.

Purpose of the Study:

  • To infer marine sediment thickness across the Mid-Atlantic Ridge using P-to-S seismic phase conversions.
  • To analyze sediment thickness variations in relation to seafloor age.

Main Methods:

  • Analysis of P-to-S seismic phase conversions from the sediment-crust boundary.
  • Utilizing data from the Passive Imaging of the Lithosphere-Asthenosphere Boundary (PI-LAB) experiment.
  • Mapping sediment thickness across 0- to 80-Myr-old seafloor.

Main Results:

  • Pds-P delay times ranged from 0.04-0.37 s, corresponding to sediment thicknesses of 5- to 82-m.
  • Sediment thickness generally increases with seafloor age.
  • Observed sediment thickness is thinner on older lithosphere compared to global estimates for younger seafloor.

Conclusions:

  • Sediment thickness on the Mid-Atlantic Ridge is age-dependent, with thinner layers on older crust.
  • A decrease in sedimentation rate around 10 Myr may indicate increased productivity linked to climate change or biological activity.
  • The findings provide insights into marine sedimentation processes and their relation to Earth's climate history.