What are the different types of air current?
They are divided into horizontal and vertical currents; both are present at mesoscale while horizontal ones dominate at synoptic scale. Air currents are not only found in the troposphere, but extend to the stratosphere and mesosphere.
What are the major air currents?
The Earth contains five major wind zones: polar easterlies, westerlies, horse latitudes, trade winds, and the doldrums. Polar easterlies are dry, cold prevailing winds that blow from the east. They emanate from the polar highs, areas of high pressure around the North and South Poles.
What are the 6 major air currents that exist on earth?
Water in the surface currents is pushed in the direction of the major wind belts:
- trade winds: east to west between the equator and 30oN and 30oS.
- westerlies: west to east in the middle latitudes.
- polar easterlies: east to west between 50o and 60o north and south of the equator and the north and south pole.
What are the two types of air currents?
Polar Fronts and Jet Streams The polar jet stream is found high up in the atmosphere where the two cells come together. A jet stream is a fast-flowing river of air at the boundary between the troposphere and the stratosphere. Jet streams form where there is a large temperature difference between two air masses.
What is another name for air current?
What is another word for air currents?
| wind | breeze |
|---|---|
| whisk | squall |
| air current | air-current |
| current of air | puff |
| storm | waft |
What is the difference between wind and air current?
Air that moves horizontally along the earth’s surface is called wind. The temperature and humidity varies in the wind system. Air current: The vertical or nearly vertical movement of air is referred to as air current.
What are surface currents?
A current is a stream of moving water that flows through the ocean. Surface currents are caused mainly by winds but not daily winds. Surface currents are caused by the major wind belts. So they can keep water moving in the same direction.
What are westerlies and easterlies?
When air moves in a definite direction, it is called wind. If the winds move from west to east, they are called westerlies. If they move from east to west, they are called easterlies.
What is another word for air current?
How do air currents differ in pressure?
The greater the difference between the high and low pressure or the shorter the distance between the high and low pressure areas, the faster the wind will blow. So in the northern hemisphere, winds blow clockwise around an area of high pressure and counter-clockwise around low pressure.
Which is one of the three properties of air?
III. 1. The three properties of air are: air fills things, air has weight and air is needed for breathing. 2. We should plant trees around our house because plants make the air fresh and clean. 3. The two things into which we can fill air are balloon and tyre.
Which is an example of an air mass?
When a large bubble of air remains over a specific area of Earth long enough to take on the. temperature and humidity characteristics of that region, an air mass forms. For example, when a mass of air sits over a warm ocean it becomes warm and moist. Air masses are named for the type of surface over which they formed.
When does a large bubble of air form?
When a large bubble of air remains over a specific area of Earth long enough to take on the. temperature and humidity characteristics of that region, an air mass forms. For example, when a mass of air sits over a warm ocean it becomes warm and moist.
What are two things that can fill air?
The two things into which we can fill air are balloon and tyre. 4. The two things that give out smoke on burning are candle and match-stick. 5. When we hang wet clothes in the sun, they become dry because water of wet clothes changes into water vapour in the sun.