Press "Enter" to skip to content

How do planetary wind belts affect the climate?

How do planetary wind belts affect the climate?

On a planetary scale, the circulation of air between the hot Equator and the cold North and South Poles creates pressure belts that influence weather. Thus, a wind travelling north from the equator will maintain the velocity acquired at the equator while the Earth under it is moving slower.

How do ocean currents affect climate?

Ocean currents act much like a conveyor belt, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, ocean currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth’s surface.

Which wind belt has the greatest impact on weather in the US?

Explanation: Prevailing Westerlies is the global wind that has the most effect on the weather in the US. In the mid-latitudes, between 30∘ and 60∘ north and south winds are turned towards the East due to the Coriolis Effect. Because they blow from West to East, they are called the Prevailing Westerlies.

What are the two main categories of ocean currents?

Currents. There are two main types of ocean currents: currents driven mainly by wind and currents mainly driven by density differences. Density depends on temperature and salinity of the water.

Why are ocean currents so important?

By moving heat from the equator toward the poles, ocean currents play an important role in controlling the climate. Ocean currents are also critically important to sea life. They carry nutrients and food to organisms that live permanently attached in one place, and carry reproductive cells and ocean life to new places.

What are the 3 main types of wind?

There are three main types of planetary winds – the trade winds, the westerlies and the easterlies. These winds are named according to the direction from which they blow.

What wind belt is Maryland in?

Maryland lies south of the mean position of the strong upper westerlies in winter and well to the south of the axis of the zonal westerlies in summer.

What produces clear cool weather?

A low-pressure system usually brings cool dry air and clear skies, while a high-pressure system brings clouds and precipitation. A low-pressure system usually brings clouds and precipitation, while a high-pressure system brings cool dry air and clear skies.

What are the 3 major ocean currents?

The produce large circular currents in all the ocean basins. Currents, The North Equatorial Current, the Gulf Stream, the North Atlantic Current, and the Canary Current.

What causes gas molecules to cool on expansion?

Above the inversion temperature, gas molecules move faster and so collide more often, and the latter effect (reduced collisions causing a decrease in the average potential energy) dominates: Joule–Thomson expansion causes a temperature increase. ….in detail …

When does gas cooling occur when pressure is constant?

This effect doesn’t happen when the system (upstream) pressure is constant, and the only process playing a role is the isenthalpic expansion of the air coming out. Expansion of a gas through a valve or orifice is isenthalpic, ie: enthalpy remains constant.

Where can I find the temperature of gas expansion?

The temperature of expanded gas can be found from the gas tables distributed by NIST. You take the difference between the enthropy at two state and using C calculate the change in tepmerature. Fast expansion is an adiabatic process and there is no loss of energy to the surrounding.

When do gases provide work during expansion they lose energy?

It would be better to say that gases lose energy when they provide work during expansion. The statement is a relation between energy (of the gas) and work being done (by the gas). It is simply the law of energy conservation. Losing energy will imply cooling down.