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

Hazard Ratio01:12

Hazard Ratio

589
The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
589
Hazard Rate01:11

Hazard Rate

428
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
428
What is Conservation Biology?01:57

What is Conservation Biology?

24.0K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
24.0K
Habitat Fragmentation02:31

Habitat Fragmentation

21.2K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
21.2K
Self-Discrepancy Theory02:45

Self-Discrepancy Theory

18.9K
One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.  
18.9K
Predator-Prey Interactions02:39

Predator-Prey Interactions

21.2K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
21.2K

You might also read

Related Articles

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

Sort by
Same author

Response to the 2011 Great East Japan Earthquake and Tsunami disaster.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2015
Same author

A short history of tsunami research and countermeasures in Japan.

Proceedings of the Japan Academy. Series B, Physical and biological sciences·2009
See all related articles

Related Experiment Video

Updated: Jan 26, 2026

Blue-hazard-free Candlelight OLED
10:18

Blue-hazard-free Candlelight OLED

Published on: March 19, 2017

9.9K

Tsunami hazard mitigation.

Nobuo Shuto1

  • 1Professor Emeritus, Tohoku University.

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
|April 12, 2019
PubMed
Summary
This summary is machine-generated.

This study developed a numerical tsunami simulation to estimate physical characteristics and societal impacts. The validated method aids in predicting future damages and preventing disasters, enhancing public education on tsunami behavior.

Keywords:
numerical simulationtsunamitsunami intensity

More Related Videos

Vision Training Methods for Sports Concussion Mitigation and Management
12:54

Vision Training Methods for Sports Concussion Mitigation and Management

Published on: May 5, 2015

18.0K
Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

4.1K

Related Experiment Videos

Last Updated: Jan 26, 2026

Blue-hazard-free Candlelight OLED
10:18

Blue-hazard-free Candlelight OLED

Published on: March 19, 2017

9.9K
Vision Training Methods for Sports Concussion Mitigation and Management
12:54

Vision Training Methods for Sports Concussion Mitigation and Management

Published on: May 5, 2015

18.0K
Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

4.1K

Area of Science:

  • Earth Sciences
  • Geophysics
  • Computational Fluid Dynamics

Background:

  • Giant tsunamis, like the 2004 Indian Ocean and 2011 Japan events, cause devastating societal impacts.
  • Accurate prediction and understanding of tsunami behavior are crucial for disaster mitigation.

Purpose of the Study:

  • To develop a numerical simulation for estimating tsunami physical characteristics and societal effects.
  • To enhance public education and understanding of tsunami behavior through advanced visualization.

Main Methods:

  • Developed a numerical simulation model incorporating laws for tsunami propagation, refraction, and run-up.
  • Ensured stable computational conditions and acceptable accuracy for the simulation.
  • Utilized computer graphics for effective public education and tsunami behavior visualization.

Main Results:

  • The numerical simulation method has been established as a world standard since 1997.
  • The method has been widely distributed globally through UNESCO.
  • Collected historical data and introduced a new tsunami intensity scale related to observed heights.

Conclusions:

  • Accurate numerical prediction of tsunamis can forecast future damages and aid in disaster prevention.
  • The developed simulation and visualization tools effectively increase public understanding of tsunami phenomena.
  • The new tsunami intensity scale provides a valuable metric for assessing past events.