Question

Why thickness of atmosphere is greatest at equator?

Answer 1

hlo friend
HERE IS UR ANSWER

1. High insolation and strong convection currents occur in troposphere over the Equator.
2. Air is less dense at Equator.
3. The centrifugal force due to Earth’s rotation is maximum at Equator.

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Answer 2

The answer is :

1. high insolation and strong convection currents occur in troposphere over the equator.

2. air is less dense at equator.

3. the centrifugal force due to earth's rotation is maximum at equator.

And if explained then,

One of the laws of Ideal gases called Charles’ law says that in an ideal gas, density decreases with increasing temperature, when pressure is constant. The hot air rises and the Earth is not equally heated everywhere. The troposphere is thicker over the equator than the poles because the equator is warmer. Heat differential on the planet’s surface causes convection currents to flow from the equator to the poles. This implies that the warmer the weather, the thicker is the troposphere. Thus the simple reason is thermal expansion of the atmosphere at the equator and thermal contraction near the poles. Air is less dense at Equator Over equatorial regions, where the surface is being heated strongly throughout the year and air warmed by contact with it is expanding and rising, the air all the way up to the troposphere is less dense than air to the north and south. Thus, density of the air is maximum at the equator.