What are the factors that affect seismic wave velocity?

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Davin Beahan asked a question: What are the factors that affect seismic wave velocity?
Asked By: Davin Beahan
Date created: Tue, Sep 7, 2021 7:29 PM
Date updated: Fri, May 27, 2022 10:52 AM

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Top best answers to the question «What are the factors that affect seismic wave velocity»

Composition, temperature, and pressure are all factors that can affect seismic velocity in the mantle. Laboratory elasticity data show that a decrease of 1% in the Mg/(Mg+Fe) ratio in olivine reduces the velocity by an amount equivalent to that caused by a temperature increase of 70 K.

  • The most significant factor affecting seismic wave velocities is porosity. In the above table, we saw that seismic waves travel faster in solids than they do in fluids; with S-waves being unable to propagate through fluids. Thus as the porosity of a rock increases, both the P-wave and S-wave velocities will decrease.

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Those who are looking for an answer to the question «What are the factors that affect seismic wave velocity?» often ask the following questions:

👋 What factors affect seismic wave velocity?

Composition, temperature, and pressure are all factors that can affect seismic velocity in the mantle. Laboratory elasticity data show that a decrease of 1% in the Mg/(Mg+Fe) ratio in olivine reduces the velocity by an amount equivalent to that caused by a temperature increase of 70 K.

👋 What factors affect pulse wave velocity?

Pulse wave velocity (PWV) is one of the most widely used surrogates of arterial stiffness [1]. Previous studies demonstrated that PWV is associated with various factors such as age, gender, salt intake, genetic factors, blood pressure (BP), and heart rate (HR) [2, 3].

👋 What factors affect the propagation velocity of seismic waves?

  • The propagation velocity of seismic waves depends on density and elasticity of the medium as well as the type of wave. Velocity tends to increase with depth through Earth's crust and mantle, but drops sharply going from the mantle to outer core.

Your Answer

We've handpicked 24 related questions for you, similar to «What are the factors that affect seismic wave velocity?» so you can surely find the answer!

What three factors affect wave height?

Wave height is affected by wind speed, wind duration (or how long the wind blows), and fetch, which is the distance over water that the wind blows in a single direction.

Which seismic wave have higher velocity?

P-waves are pressure waves that travel faster than other waves through the earth to arrive at seismograph stations first, hence the name "Primary". These waves can travel through any type of material, including fluids, and can travel nearly 1.7 times faster than the S-waves.

Some factors that can affect speed of a wave?
  • Speed of wave depends mainly on four factors. These factors are wavelength, frequency, medium and temperature. We know from laws of refraction, when a wave travels from rarer to denser medium, the speed of wave slows down.
What are the factors that affect the frequency of a wave?
  • Energy is related to frequency; the higher the energy the higher the frequency. Momentum is related to wavelength. Originally Answered: What are the factors which effect the frequency of a wave? It’s a classical definition. A wave is a periodicly changing value of “something” (mostly energy) in time and space.
What are the factors that affect the size of a wave?
  • Take a read if you want more information - we'll list the main factors from the article here. There are three main factors that affect the size of a wave (or for our purposes the quality of the swell) in open sea. Wind Speed - The greater the wind speed the larger the wave.
What are two factors that affect the energy of a wave?
  • Energy Content: Amplitude and Frequency. Thus amplitude and frequency are the two factors that affect the energy transferred by a wave: the height of the wave, and the number of waves passed by each second.
Does wave type affect wave velocity?
  • The data convincingly show that wave frequency does not affect wave speed. An increase in wave frequency caused a decrease in wavelength while the wave speed remained constant. The last three trials involved the same procedure with a different rope tension.
Does amplitude affect wave velocity?
  • For all electromagnetic waves (in a vacuum) the velocity = c, the speed of light. Accordingly, how does changing the amplitude of a wave affect the wavelength and the frequency? The amplitude of a wave does not affect the speed at which the wave travels. The wavelength of a wave does not affect the speed at which the wave travels.
What is the propagation velocity of a seismic wave?
  • Seismic wave. The propagation velocity of the waves depends on density and elasticity of the medium. Velocity tends to increase with depth and ranges from approximately 2 to 8 km/s in the Earth's crust, up to 13 km/s in the deep mantle. Earthquakes create distinct types of waves with different velocities; when reaching seismic observatories,...
What type of seismic wave has the fastest velocity? P-Waves. The P in P-waves stands for primary, because these are the fastest seismic waves and are the first to be detected once an earthquake has occurred. P-waves travel through the earth's interior many times faster than the speed of a jet airplane, taking only a few minutes to travel across the earth.P-Waves
P-Waves
A P wave (primary wave or pressure wave) is one of the two main types of elastic body waves, called seismic waves in seismology. P waves travel faster than other seismic waves and hence are the first signal from an earthquake to arrive at any affected location or at a seismograph.
https://en.wikipedia.org › wiki › P_wave
. The P in P-waves stands for primary, because these are the fastest seismic waves and are the first to be detected once an earthquake has occurred. P-waves travel through the earth's interior many times faster than the speed of a jet airplane, taking only a few minutes to travel across the earth.
What factors affect the energy of a wave?
  • Frequency Both of these affect the energy of a wave Frequency & Wavelength The number (#) of complete MOVEMENTS of a wave per second Frequency In a transverse wave, this is the MAGNITUDE of height of a wave-origin to crest Amplitude This is the DISTANCE from peak to peak of a successive wave
What factors affect the frequency of a wave?
  • The speed of a wave is dependant on four factors: wavelength, frequency, medium, and temperature. Wave speed is calculated by multiplying the wavelength times the frequency (speed = l * f).
What factors affect the size of a wave?
  • Factors influencing wave energy or in other words what causes waves to be small, or big. Wind Speed. The harder and faster the winds blow the bigger the wave. Note:Normal winds rarely produce waves bigger than 15 m. Duration of Wind. The longer wind blows, the more waves there are and the bigger they are.
What factors affect the speed of a wave?
  • The two main physical factors that influence the speed of a mechanical wave are density and stiffness.
Why does seismic wave velocity increase with depth?

Seismic velocities tend to gradually increase with depth in the mantle due to the increasing pressure, and therefore density, with depth. However, seismic waves recorded at distances corresponding to depths of around 100 km to 250 km arrive later than expected indicating a zone of low seismic wave velocity.

What are 3 factors that can change the speed or path of a seismic wave?

Seismic waves travel faster in denser rocks; temperature tends to lower the speed of seismic waves; and pressure tends to increases the speed.

Does water depth affect wave velocity?
  • The problem question was "Does water depth affect wave velocity?". When the experiment was conducted, results showed deeper waves moved faster than shallower waves. However, based on previous research, shallow water waves are more destructive because the circulation of water causes the wave height to increase more than deeper waters.
How does tension affect wave velocity?

The wave speed of a wave on a string depends on the tension and the linear mass density… Since the speed of a wave on a taunt string is proportional to the square root of the tension divided by the linear density, the wave speed would increase by √2.

What are the 4 main factors that affect the size of a wave?

Wave height is affected by wind speed, wind duration (or how long the wind blows), and fetch, which is the distance over water that the wind blows in a single direction. If wind speed is slow, only small waves result, regardless of wind duration or fetch.

What are 3 factors that affect the speed of sound?

Air density affects it. Temperature, pressure, humidity and gas mixture can each affect the density. In liquid: The speed of sound is affected by density and viscosity. These in turn are affected by temperature, pressure, composition and currents (as with wind).

What are the factors that affect the speed of waves?
  • Speed of wave depends mainly on four factors. These factors are wavelength, frequency, medium and temperature. We know from laws of refraction, when a wave travels from rarer to denser medium, the speed of wave slows down. And when it travels from denser to rarer, it speeds up. The speed of a wave in a particular medium remains constant.
What factors affect the speed of a longitudinal wave?
  • While the medium is a main factor, the effect of the medium depends on whether the wave is longitudinal or transverse. Maximum bulk modulus of material. While this only applied for mechanical/longitudinal waves, it isn't wrong to state that the maximum speed of any longitudinal wave is very much dependent of the bulk modulus of the medium.
What factors affect the speed of a water wave?

The factors that affect the speed of an ocean wave are: wavelength, frequency, medium, and temperature.

What factors affect the speed of a wave brainly?

What is wave speed in physics?

  • wave speed. n (Physics) the speed at which the phase of a wave is propagated, the product of the frequency times the wavelength.