Why is the monsoon blowing?
The direction of the wind during the day is completely opposite to the direction of the wind on the land and the direction of the wind during the year. That is, the wind blows in the same direction every year in the same season. Monsoon in the Arabian Sea has long been a famous and home to the horse, Monsoon. There is a south-west wind blowing about half of the year, while the other half is the opposite. In Korea, the winds from the south blow in summer and the opposite wind blows in winter.
Why do these monsoons happen? The sea and land temperature difference were the cause of the landing winds. In fact, the monsoon season is only large, and just like the continental wind, the difference between continents and oceans is responsible.
In summer, the southern wind blows in our country because the continent heats up, creating a low pressure point on the land, and the ocean blows air toward this low pressure.
In contrast, because it gets very cold on the continent in winter, there is a large high pressure such as Siberia's high atmospheric pressure and it blows toward the ocean from there. That is why the wind in the northwest is blowing in the winter near our country. And in the coastal winds, sea winds were stronger on the side of the sea than on land, but in the case of monsoon winds, the winter monsoon from the continent is stronger than the summer monsoon coming from the sea because of the wide gap between land and sea in winter.
The mass air flow around the earth
The largest air flow of its kind is called the great annulus of the atmosphere, a vortex of incredibly large flows flowing through the earth. The Great Junghwan is also caused by a temperature difference, which is similar to the monsoon and the sunset winds, if the source is identified. In this case, however, there is a difference in temperature between the two poles and the equator.
The surface area surrounding the earth from 30° north to 30° south accounts for more than half of the total surface area of the earth. And in this part, the calories from the sun are much larger than the rest. Because of this, the heated air in this part rises and flows towards the pole from the plane of the pole, while the cold polar air sinks downward and flows toward the equator(Figure 2-11). In other words, just like the coastal winds, air flows from the equator to the pole and from the poles to the equator. In fact, however, the flow is complicated by various forces such as the effects of the Earth's rotation, friction resistance (friction), and centrifugal force.
(Figure 2-11) A model of the atmosphere's large flux between the poles and the equator when the earth is not rotating.
When these complex elements are also included in the Northern Hemisphere alone to calculate the flow in the north and south directions and the flow in the vertical direction, the picture changes (Figure 2-11). Think of this picture as the average state you can see when you cut the atmosphere vertically along the Earth's geospatial line. In meteorology, this is called the average south-class cycle.
The air rising from the equator is divided into two parts from the upper part of the troposphere and is directed towards the Northern and Southern Hemisphere. In this way, an air flow called opposing trade winds occurs just below the plane of the pole, which will divide again once it reaches approximately 25 to 30° north. One air flow, which continues to be polar, becomes the upper wind of the mid-language zone called the wind of the wind, and another air flow comes down to the surface of the supertentic. There are always many desert areas on land and peaceful seas on the sea because of good weather.
(Figure 2-12)Mean model of the atmospheric flow, cut vertically to a plane that is aligned along the line of path (if the earth is rotating).
The flow of the sub-tropical high pressure band on the surface is divided again, one towards the equator and the other towards the pole. The trend to the equator is trade winds (northeastern trade winds in the Northern Hemisphere and southeast trade winds in the Southern Hemisphere).
The flow of air south from this lower layer, the rise at the equator, the flow north of the high altitude, and the flow of each series of air that fall in the subtropical zone is referred to as the Hadley cycle. In the northern part of this Hadley cell, as shown in (Figure 2-12), the sub-tropical descent flows to the north, the earth flows to the north near the surface, the rising tide to the north from the troposphere. And repeatedly, there are separate cells in the North. In other words, this average south-like cycle consists of three cells. However, their circulation directions are different and not all are the same.
Direct circulation through the circulation system, which is normally a rising flow in the hot zone and a falling flow in the cold zone, is called indirect circulation. Thus, Hadley cells at low latitudes and cells near poles are directly rotated and cells in mid - latitudes are called ferrell cells, or the cells after the person who convinces them.
Lee Sang has seen the mass flow of the atmosphere, and the inter-Korean cycle toward the North and South along the Jiao-myeon. That is not to say that these cycles are flowing normally, that is, unchanged over time. The average value of each latitude is obtained for each latitude and the result of painting is very different from the flow in any other plane at any given moment. In other words, a flow like the Great Moonstone of the atmosphere and the Monsoon as mentioned above is the average flow.