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A thermal column (or thermal) is a vertical section of rising air in the lower altitudes of ...Solar radiation affects the oceans: warm water from the Equator tends to ... currents carrying heat from the interior of the earth to the surface. ... case the fluid motion is called gravitational convection

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13y ago
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currents caused by temperature differences in the water

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15y ago

Heat changes the density of a fluid - relatively hot fluids rise and cold fluids sink causing a current

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Q: What is the cause of the warm air currents called thermals?
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What is the cause of the warm air currents called thermals-?

A thermal is warm air rising off the ground that has been heated by the sun.


Why are their warm air currents over the motorway?

cause of convection


Why is weather forecast important for hang gliders?

Hang gliders rely on currents of warm air called thermals - to lift them high into the atmosphere. Knowing the type of weather in the area they want to fly - enables them to plan a route to make the most of the available updrafts.


What is the cause of surface currents?

The circulation of cold and warm water between the poles and the equator, and the rotation of the earth, cause ocean currents to flow.


Can warm currents cause isotherms to be deflected towards the south pole?

no


What cause currents to flow between the poles of the equator?

warm-water


What is it called when warm air moves up?

convetion currents


How do currents affect?

Warm currents have a very obvious affect on the temperature that surrounds it. Warm currents will warm the area around the currents.


What can warm currents do to some areas that are normally colder?

Warm currents have a very obvious affect on the temperature that surrounds it. Warm currents will warm the area around the currents.


How do currents affect temperature?

Warm currents have a very obvious affect on the temperature that surrounds it. Warm currents will warm the area around the currents.


How do ocean surface currents cause milder climates?

Ocean currents can carry warm water. As they are traveling, the warm water they are carrying warms up the air near them. The warmed air may then also warm the land around it, making the temperature of the land near the ocean currents milder.


What causes currents in the ocean and atmosphere?

Warm air rising and cold air sinking in combination with the rotation of the Earth cause the various currents in the atmosphere.