Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Install
Faster access than browser!
 

Geophysical fluid dynamics

Index Geophysical fluid dynamics

Geophysical fluid dynamics, in its broadest meaning, refers to the fluid dynamics of naturally occurring flows, such as lava flows, oceans, and planetary atmospheres, on Earth and other planets. [1]

73 relations: Academic Press, Advection, Atmosphere, Atmospheric circulation, Baroclinity, Barotropic fluid, Boundary current, Boussinesq approximation (buoyancy), Buoyancy, Chemocline, Circulation (fluid dynamics), Conservation of energy, Coriolis force, Cyclone, Diffusion, Dynamo theory, Earth, Earth's magnetic field, Ekman layer, Ekman spiral, Exosphere, Geodynamics, Geophysical Fluid Dynamics Laboratory, Geostrophic current, Geostrophic wind, Gravitational acceleration, Gravity wave, Halocline, Hydrostatic equilibrium, Incompressible flow, Internal wave, Kelvin wave, Kelvin's circulation theorem, Lagrangian and Eulerian specification of the flow field, Magnetosphere, Mantle (geology), Mesosphere, Natural convection, Navier–Stokes equations, Newton's laws of motion, Newtonian fluid, Ocean current, Ocean dynamics, Outer core, Oxford University Press, Planet, Pycnocline, Rossby wave, Rotating reference frame, Salinity, ..., Seawater, Shear stress, Shock wave, Sound, Springer Science+Business Media, Stratification (water), Stratosphere, Subsurface currents, Sverdrup balance, Sverdrup wave, Taylor–Proudman theorem, Thermal conduction, Thermal wind, Thermocline, Thermohaline circulation, Thermosphere, Tropics, Troposphere, University of Washington, Viscosity, Vorticity equation, Water vapor, Woods Hole Oceanographic Institution. Expand index (23 more) »

Academic Press

Academic Press is an academic book publisher.

New!!: Geophysical fluid dynamics and Academic Press · See more »

Advection

In the field of physics, engineering, and earth sciences, advection is the transport of a substance by bulk motion.

New!!: Geophysical fluid dynamics and Advection · See more »

Atmosphere

An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.

New!!: Geophysical fluid dynamics and Atmosphere · See more »

Atmospheric circulation

Atmospheric circulation is the large-scale movement of air, and together with ocean circulation is the means by which thermal energy is redistributed on the surface of the Earth.

New!!: Geophysical fluid dynamics and Atmospheric circulation · See more »

Baroclinity

In fluid dynamics, the baroclinity (often called baroclinicity) of a stratified fluid is a measure of how misaligned the gradient of pressure is from the gradient of density in a fluid.

New!!: Geophysical fluid dynamics and Baroclinity · See more »

Barotropic fluid

In fluid dynamics, a barotropic fluid is a fluid whose density is a function of pressure only.

New!!: Geophysical fluid dynamics and Barotropic fluid · See more »

Boundary current

Boundary currents are ocean currents with dynamics determined by the presence of a coastline, and fall into two distinct categories: western boundary currents and eastern boundary currents.

New!!: Geophysical fluid dynamics and Boundary current · See more »

Boussinesq approximation (buoyancy)

In fluid dynamics, the Boussinesq approximation (named for Joseph Valentin Boussinesq) is used in the field of buoyancy-driven flow (also known as natural convection).

New!!: Geophysical fluid dynamics and Boussinesq approximation (buoyancy) · See more »

Buoyancy

In physics, buoyancy or upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object.

New!!: Geophysical fluid dynamics and Buoyancy · See more »

Chemocline

A chemocline is a cline caused by a strong, vertical chemistry gradient within a body of water.

New!!: Geophysical fluid dynamics and Chemocline · See more »

Circulation (fluid dynamics)

In fluid dynamics, circulation is the line integral around a closed curve of the velocity field.

New!!: Geophysical fluid dynamics and Circulation (fluid dynamics) · See more »

Conservation of energy

In physics, the law of conservation of energy states that the total energy of an isolated system remains constant, it is said to be ''conserved'' over time.

New!!: Geophysical fluid dynamics and Conservation of energy · See more »

Coriolis force

In physics, the Coriolis force is an inertial force that acts on objects that are in motion relative to a rotating reference frame.

New!!: Geophysical fluid dynamics and Coriolis force · See more »

Cyclone

In meteorology, a cyclone is a large scale air mass that rotates around a strong center of low atmospheric pressure.

New!!: Geophysical fluid dynamics and Cyclone · See more »

Diffusion

Diffusion is the net movement of molecules or atoms from a region of high concentration (or high chemical potential) to a region of low concentration (or low chemical potential) as a result of random motion of the molecules or atoms.

New!!: Geophysical fluid dynamics and Diffusion · See more »

Dynamo theory

In physics, the dynamo theory proposes a mechanism by which a celestial body such as Earth or a star generates a magnetic field.

New!!: Geophysical fluid dynamics and Dynamo theory · See more »

Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

New!!: Geophysical fluid dynamics and Earth · See more »

Earth's magnetic field

Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth's interior out into space, where it meets the solar wind, a stream of charged particles emanating from the Sun.

New!!: Geophysical fluid dynamics and Earth's magnetic field · See more »

Ekman layer

The Ekman layer is the layer in a fluid where there is a force balance between pressure gradient force, Coriolis force and turbulent drag.

New!!: Geophysical fluid dynamics and Ekman layer · See more »

Ekman spiral

The Ekman spiral is a structure of currents or winds near a horizontal boundary in which the flow direction rotates as one moves away from the boundary.

New!!: Geophysical fluid dynamics and Ekman spiral · See more »

Exosphere

The exosphere (ἔξω éxō "outside, external, beyond", σφαῖρα sphaĩra "sphere") is a thin, atmosphere-like volume surrounding a planet or natural satellite where molecules are gravitationally bound to that body, but where the density is too low for them to behave as a gas by colliding with each other.

New!!: Geophysical fluid dynamics and Exosphere · See more »

Geodynamics

Geodynamics is a subfield of geophysics dealing with dynamics of the Earth.

New!!: Geophysical fluid dynamics and Geodynamics · See more »

Geophysical Fluid Dynamics Laboratory

The Geophysical Fluid Dynamics Laboratory (GFDL) is a laboratory in the National Oceanic and Atmospheric Administration (NOAA) Office of Oceanic and Atmospheric Research (OAR).

New!!: Geophysical fluid dynamics and Geophysical Fluid Dynamics Laboratory · See more »

Geostrophic current

A geostrophic current is an oceanic flow in which the pressure gradient force is balanced by the Coriolis effect.

New!!: Geophysical fluid dynamics and Geostrophic current · See more »

Geostrophic wind

The geostrophic wind is the theoretical wind that would result from an exact balance between the Coriolis force and the pressure gradient force.

New!!: Geophysical fluid dynamics and Geostrophic wind · See more »

Gravitational acceleration

In physics, gravitational acceleration is the acceleration on an object caused by the force of gravitation.

New!!: Geophysical fluid dynamics and Gravitational acceleration · See more »

Gravity wave

In fluid dynamics, gravity waves are waves generated in a fluid medium or at the interface between two media when the force of gravity or buoyancy tries to restore equilibrium.

New!!: Geophysical fluid dynamics and Gravity wave · See more »

Halocline

In oceanography, a halocline (from Greek hals, halo- ‘salt’ and klinein ‘to slope’) is a subtype of chemocline caused by a strong, vertical salinity gradient within a body of water.

New!!: Geophysical fluid dynamics and Halocline · See more »

Hydrostatic equilibrium

In fluid mechanics, a fluid is said to be in hydrostatic equilibrium or hydrostatic balance when it is at rest, or when the flow velocity at each point is constant over time.

New!!: Geophysical fluid dynamics and Hydrostatic equilibrium · See more »

Incompressible flow

In fluid mechanics or more generally continuum mechanics, incompressible flow (isochoric flow) refers to a flow in which the material density is constant within a fluid parcel—an infinitesimal volume that moves with the flow velocity.

New!!: Geophysical fluid dynamics and Incompressible flow · See more »

Internal wave

Internal waves are gravity waves that oscillate within a fluid medium, rather than on its surface.

New!!: Geophysical fluid dynamics and Internal wave · See more »

Kelvin wave

A Kelvin wave is a wave in the ocean or atmosphere that balances the Earth's Coriolis force against a topographic boundary such as a coastline, or a waveguide such as the equator.

New!!: Geophysical fluid dynamics and Kelvin wave · See more »

Kelvin's circulation theorem

In fluid mechanics, Kelvin's circulation theorem (named after William Thomson, 1st Baron Kelvin who published it in 1869) states In a barotropic ideal fluid with conservative body forces, the circulation around a closed curve (which encloses the same fluid elements) moving with the fluid remains constant with time.

New!!: Geophysical fluid dynamics and Kelvin's circulation theorem · See more »

Lagrangian and Eulerian specification of the flow field

In classical field theory the Lagrangian specification of the field is a way of looking at fluid motion where the observer follows an individual fluid parcel as it moves through space and time.

New!!: Geophysical fluid dynamics and Lagrangian and Eulerian specification of the flow field · See more »

Magnetosphere

A magnetosphere is the region of space surrounding an astronomical object in which charged particles are manipulated or affected by that object's magnetic field.

New!!: Geophysical fluid dynamics and Magnetosphere · See more »

Mantle (geology)

The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies.

New!!: Geophysical fluid dynamics and Mantle (geology) · See more »

Mesosphere

The mesosphere (from Greek mesos "middle" and sphaira "sphere") is the layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere.

New!!: Geophysical fluid dynamics and Mesosphere · See more »

Natural convection

Natural convection is a mechanism, or type of heat transport, in which the fluid motion is not generated by any external source (like a pump, fan, suction device, etc.) but only by density differences in the fluid occurring due to temperature gradients.

New!!: Geophysical fluid dynamics and Natural convection · See more »

Navier–Stokes equations

In physics, the Navier–Stokes equations, named after Claude-Louis Navier and George Gabriel Stokes, describe the motion of viscous fluid substances.

New!!: Geophysical fluid dynamics and Navier–Stokes equations · See more »

Newton's laws of motion

Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.

New!!: Geophysical fluid dynamics and Newton's laws of motion · See more »

Newtonian fluid

In continuum mechanics, a Newtonian fluid is a fluid in which the viscous stresses arising from its flow, at every point, are linearly proportional to the local strain rate—the rate of change of its deformation over time.

New!!: Geophysical fluid dynamics and Newtonian fluid · See more »

Ocean current

An ocean current is a seasonal directed movement of sea water generated by forces acting upon this mean flow, such as wind, the Coriolis effect, breaking waves, cabbing, temperature and salinity differences, while tides are caused by the gravitational pull of the Sun and Moon.

New!!: Geophysical fluid dynamics and Ocean current · See more »

Ocean dynamics

Ocean dynamics define and describe the motion of water within the oceans.

New!!: Geophysical fluid dynamics and Ocean dynamics · See more »

Outer core

The outer core of the Earth is a fluid layer about thick and composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle.

New!!: Geophysical fluid dynamics and Outer core · See more »

Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.

New!!: Geophysical fluid dynamics and Oxford University Press · See more »

Planet

A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.

New!!: Geophysical fluid dynamics and Planet · See more »

Pycnocline

A pycnocline is the cline or layer where the density gradient is greatest within a body of water.

New!!: Geophysical fluid dynamics and Pycnocline · See more »

Rossby wave

Rossby waves, also known as planetary waves, are a natural phenomenon in the atmospheres and oceans of planets that largely owe their properties to rotation of the planet.

New!!: Geophysical fluid dynamics and Rossby wave · See more »

Rotating reference frame

A rotating frame of reference is a special case of a non-inertial reference frame that is rotating relative to an inertial reference frame.

New!!: Geophysical fluid dynamics and Rotating reference frame · See more »

Salinity

Salinity is the saltiness or amount of salt dissolved in a body of water (see also soil salinity).

New!!: Geophysical fluid dynamics and Salinity · See more »

Seawater

Seawater, or salt water, is water from a sea or ocean.

New!!: Geophysical fluid dynamics and Seawater · See more »

Shear stress

A shear stress, often denoted by (Greek: tau), is the component of stress coplanar with a material cross section.

New!!: Geophysical fluid dynamics and Shear stress · See more »

Shock wave

In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance.

New!!: Geophysical fluid dynamics and Shock wave · See more »

Sound

In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.

New!!: Geophysical fluid dynamics and Sound · See more »

Springer Science+Business Media

Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

New!!: Geophysical fluid dynamics and Springer Science+Business Media · See more »

Stratification (water)

Water stratification is when water masses with different properties - salinity (halocline), oxygenation (chemocline), density (pycnocline), temperature (thermocline) - form layers that act as barriers to water mixing which could lead to anoxia or euxinia.

New!!: Geophysical fluid dynamics and Stratification (water) · See more »

Stratosphere

The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere.

New!!: Geophysical fluid dynamics and Stratosphere · See more »

Subsurface currents

A subsurface current is an oceanic current that runs beneath surface currents.

New!!: Geophysical fluid dynamics and Subsurface currents · See more »

Sverdrup balance

The Sverdrup balance, or Sverdrup relation, is a theoretical relationship between the wind stress exerted on the surface of the open ocean and the vertically integrated meridional (north-south) transport of ocean water.

New!!: Geophysical fluid dynamics and Sverdrup balance · See more »

Sverdrup wave

A Sverdrup wave (also known as Poincaré wave, or rotational gravity wave Kundu, P. K., and L. M. Cohen. "Fluid mechanics, 638 pp." Academic, Calif (1990).) is a wave in the ocean, which is affected by gravity and Earth's rotation (see Coriolis effect).

New!!: Geophysical fluid dynamics and Sverdrup wave · See more »

Taylor–Proudman theorem

In fluid mechanics, the Taylor–Proudman theorem (after Geoffrey Ingram Taylor and Joseph Proudman) states that when a solid body is moved slowly within a fluid that is steadily rotated with a high angular velocity \Omega, the fluid velocity will be uniform along any line parallel to the axis of rotation.

New!!: Geophysical fluid dynamics and Taylor–Proudman theorem · See more »

Thermal conduction

Thermal conduction is the transfer of heat (internal energy) by microscopic collisions of particles and movement of electrons within a body.

New!!: Geophysical fluid dynamics and Thermal conduction · See more »

Thermal wind

The thermal wind is wind that varies with height due to a balance between the Coriolis and pressure-gradient forces in the atmosphere.

New!!: Geophysical fluid dynamics and Thermal wind · See more »

Thermocline

A thermocline (also known as the thermal layer or the metalimnion in lakes) is a thin but distinct layer in a large body of fluid (e.g. water, such as an ocean or lake) or air (such as an atmosphere) in which temperature changes more rapidly with depth than it does in the layers above or below.

New!!: Geophysical fluid dynamics and Thermocline · See more »

Thermohaline circulation

Thermohaline circulation (THC) is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes.

New!!: Geophysical fluid dynamics and Thermohaline circulation · See more »

Thermosphere

The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and below the exosphere.

New!!: Geophysical fluid dynamics and Thermosphere · See more »

Tropics

The tropics are a region of the Earth surrounding the Equator.

New!!: Geophysical fluid dynamics and Tropics · See more »

Troposphere

The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place.

New!!: Geophysical fluid dynamics and Troposphere · See more »

University of Washington

The University of Washington (commonly referred to as UW, simply Washington, or informally U-Dub) is a public research university in Seattle, Washington.

New!!: Geophysical fluid dynamics and University of Washington · See more »

Viscosity

The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.

New!!: Geophysical fluid dynamics and Viscosity · See more »

Vorticity equation

The vorticity equation of fluid dynamics describes evolution of the vorticity of a particle of a fluid as it moves with its flow, that is, the local rotation of the fluid (in terms of vector calculus this is the curl of the flow velocity).

New!!: Geophysical fluid dynamics and Vorticity equation · See more »

Water vapor

No description.

New!!: Geophysical fluid dynamics and Water vapor · See more »

Woods Hole Oceanographic Institution

The Woods Hole Oceanographic Institution (WHOI, acronym pronounced) is a private, nonprofit research and higher education facility dedicated to the study of all aspects of marine science and engineering and to the education of marine researchers.

New!!: Geophysical fluid dynamics and Woods Hole Oceanographic Institution · See more »

References

[1] https://en.wikipedia.org/wiki/Geophysical_fluid_dynamics

OutgoingIncoming
Hey! We are on Facebook now! »