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Related Concept Videos

Coriolis Force01:23

Coriolis Force

An accelerating particle experiences a force equal to the mass multiplied by the acceleration in an inertial frame of reference. Consider a particle in a non-inertial frame of reference, such as a sliding ball on a rotating table. The acceleration of the ball in this rotating reference frame is different than in the intertial frame, which modifies its equation of motion. The fictitious forces acting additionally on a rotating frame of reference alter Newton's Second Law expression. Centripetal...
Irrotational Flow01:28

Irrotational Flow

Irrotational flow is characterized by fluid motion where particles do not rotate around their axes, resulting in zero vorticity. For a flow to be irrotational, the curl of the velocity field must be zero. This imposes specific conditions on velocity gradients. For instance, to maintain zero rotation about the z-axis, the gradient condition:
Gyroscope: Precession01:24

Gyroscope: Precession

Precession can be demonstrated effectively through a spinning top. If a spinning top is placed on a flat surface near the surface of the Earth at a vertical angle and is not spinning, it will fall over due to the force of gravity producing a torque acting on its center of mass. However, if the top is spinning on its axis, it precesses about the vertical direction, rather than topple over due to this torque. Precessional motion is a combination of a steady circular motion of the axis and the...
Variation of Atmospheric Pressure01:18

Variation of Atmospheric Pressure

Change in atmospheric pressure with height is particularly interesting. The decrease in atmospheric pressure with increasing altitude is due to the decreasing gravitational force per unit area as we move away from the surface of the earth.
Assuming the air temperature is constant at a given altitude and that the ideal gas law of thermodynamics describes the atmosphere to a good approximation, one can find the variation of atmospheric pressure with height.
Let p(y) be the atmospheric pressure at...
What is Climate?01:16

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Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
The Water Cycle01:00

The Water Cycle

The Earth’s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, the cycling of water is extremely important to ecosystem dynamics.

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Related Experiment Video

Updated: May 15, 2026

Evolution of Staircase Structures in Diffusive Convection
07:28

Evolution of Staircase Structures in Diffusive Convection

Published on: September 5, 2018

Atlantic circulation keeps turning.

Michael Gross

    Current Biology : CB
    |December 21, 2012
    PubMed
    Summary
    This summary is machine-generated.

    Atlantic circulation, including the Gulf Stream, shows no immediate risk of shutdown. New research will further explore ocean circulation

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    Last Updated: May 15, 2026

    Evolution of Staircase Structures in Diffusive Convection
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    Published on: September 5, 2018

    Magnetically Induced Rotating Rayleigh-Taylor Instability
    06:42

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    Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
    10:03

    Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel

    Published on: October 5, 2018

    Area of Science:

    • Oceanography
    • Climate Science
    • Environmental Science

    Background:

    • Concerns about Atlantic circulation shutdown were raised.
    • Previous research investigated the Atlantic circulation system, including the Gulf Stream.

    Purpose of the Study:

    • To assess the immediate risk of Atlantic circulation shutdown.
    • To establish a foundation for future research on ocean circulation and climate change.

    Main Methods:

    • Investigation of the Atlantic circulation system.
    • Analysis of data related to the Gulf Stream and broader Atlantic currents.

    Main Results:

    • No immediate risk of the Atlantic circulation system shutting down was identified.
    • Previous fears of a shutdown have been allayed.

    Conclusions:

    • While immediate risk is low, further understanding of ocean circulation and climate change interactions is necessary.
    • New projects will extend research to fisheries and urban environments.