Questions-Answers about trading

How did trade winds get their name


What are called trade winds?

The trade winds are winds that reliably blow east to west just north and south of the equator. The winds help ships travel west, and they can also steer storms such as hurricanes, too.

What causes trade winds to weaken?

The easterly trade winds are driven by a surface pressure pattern of higher pressure in the eastern Pacific and lower pressure in the west. When this pressure gradient weakens, so do the trade winds. The weakened trade winds allow warmer water from the western Pacific to surge eastward, so the sea level flattens out.

What are trade winds Class 9?

Trade winds are a persistent wind that can be defined as the wind that flows towards the equator from the north-east in the northern hemisphere or from the south-east in the southern hemisphere. These are also known as tropical easterlies and are known for their consistency in force and direction.

Are trade winds warm or cold?

The differences in pressure and temperature between the two sides of the Pacific are caused by the trade winds; air blowing from east to west pushes water, making the sea level higher in the western Pacific, and makes cold water rise toward the surface, making the eastern Pacific approximately 14 degrees F (7.7 degrees …12 мая 2020 г.

Are trade winds warm?

Trade winds that form over land (called continental trade winds) are warmer and drier than those that form over the ocean (maritime trade winds). The relationship between continental and maritime trade winds can be violent. Most tropical storms, including hurricanes, cyclones, and typhoons, develop as trade winds.

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How does trade wind affect climate?

Trade winds have a big influence on the climate to the north and to the south of the equator. The main effects are: Continuous removal of humidity from the areas around the tropics = desertification. Continuous supply of humidity to the equator region = rain forest.

What height is wind speed?

Average wind speeds are often available from meteorological observations measured at a height of 10 metres. Hub heights of modern 600 to 1,500 kW wind turbines are usually 40 to 80 metres, however.

What happens to trade winds during El Nino?

During an El Niño event, the easterly trade winds converging across the equatorial Pacific weaken. This in turn slows the ocean current that draws surface water away from the western coast of South America and reduces the upwelling of cold, nutrient–rich water from the deeper ocean, flattening out the thermocline.

How are winds formed Class 9?

Winds are caused due to uneven heating of atmosphere. Air moves from high pressure area 1o a low pressure area. … So, wind blows from sea to land. During the night, the direction of wind is from land to sea as the earth cools faster than sea, creating a low pressure region above land.26 мая 2020 г.

What are doldrums?

The “doldrums” is a popular nautical term that refers to the belt around the Earth near the equator where sailing ships sometimes get stuck on windless waters. … As the air rises, it cools, causing persistent bands of showers and storms around the Earth’s midsection.

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What are Hawaii trade winds?

What are the Trade Winds in Hawaii? Trade winds in Hawaii are a phenomenon that occur as a result of high pressure systems that form in the North Pacific. They are generally a very steady presence in island weather and bring a constant wind or breeze from the North East or East North East directions.

What is the main cause of trade winds?

The Coriolis Effect, in combination with an area of high pressure, causes the prevailing winds—the trade winds—to move from east to west on both sides of the equator across this 60-degree “belt.” … The sinking air triggers the calm trade winds and little precipitation, completing the cycle.

Are trade winds cold?

The trade winds, especially in the eastern Pacific, convey relatively cool air toward the Equator; in moving, the air comes in contact with the sea and thus becomes increasingly humid and warm, and high lapse rates (the term used to denote the rate of change of air temperature with increasing height above sea or land …

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