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Climate Changes Are Brought About By Monsoon Winds - Articles Surfing
The changes in weather is a complex system that is interdependent on the combination of the Earth's rotation, the tilt of the Earth's axis, atmosphere and sun's heat. Formation of cyclonic flows and the air masses rise and fall are produced by this combination. As winds, we observed these massive shifting of air.
Across the global the heating effect of the sun produces three wind flows of major consequence on the weather. Apart from these there are other smaller-scale winds that influences the weather.
Several portions of the globe are affected by the Monsoon winds. In India it has the strongest influence. Over Siberia in the winter season due to sinking effect of extremely cold air an area of high pressure is formed. Producing an outflow of winds that moves toward the southeast and blows over India to sea, forming rain and clouds on its way, dissipates this high-pressure zone.
The opposite effect occurs during summer. A low-pressure zone forms over northern India as the high in Siberia dramatically weakens. Heavy rain occurs as this low-pressure area draws from the Indian Ocean moist, warm air. These changes of monsoon winds have a heavy bearing on the Indian agriculture. Failure of occurrence of the highly anticipated Monsoon rains result in high cost of produce and starvation.
Sea breeze is a local wind of another type that can be found in the coastal region. The land more quickly gets heated up than the water during the daytime. The air rises upwards when it gets heated. So the air over the land rises upwards and the cooler air from the sea surface rushes in to fill up the void. This is called the sea breeze. During the night the process reverses, as the land gets cooler than the water more quickly. Warmer air over the sea surface moves up as the cooler air of the land takes its place. This is called the land breeze. During summer and spring season the land and the sea breeze become the strongest.
Around the globe there are some other winds of major importance. While reaching the other side of the mountain the wind blowing over it sinks very quickly causing compression that creates a warm wind. This warm wind makes the snow of the mountain melt. 'Chinook' is the name by which this wind is called on the Rocky Mountain's east side and while the same wind is called 'Foehn' in Switzerland.
Copyright © 1995 - Photius Coutsoukis (All Rights Reserved).
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