What Is Not True Of The Intertropical Convergence Zone


What is true about intertropical convergence zone?

The Inter Tropical Convergence Zone or ITCZ is a belt of low pressure which circles the Earth generally near the equator where the trade winds of the Northern and Southern Hemispheres come together. It is characterised by convective activity which generates often vigorous thunderstorms over large areas.

What is intertropical convergence zone characteristics?

The Intertropical Convergence Zone (ITCZ) lies in the equatorial trough a permanent low-pressure feature where surface trade winds laden with heat and moisture converge to form a zone of increased convection cloudiness and precipitation.

Is the intertropical convergence zone wet or dry?

The ITCZ is formed by vertical motion largely appearing as convective activity of thunderstorms driven by solar heating which effectively draw air in these are the trade winds. The ITCZ is effectively a tracer of the ascending branch of the Hadley cell and is wet.

What is the climate like in the intertropical convergence zone?

Seasonal shifts in the location of the ITCZ drastically affects rainfall in many equatorial nations resulting in the wet and dry seasons of the tropics rather than the cold and warm seasons of higher latitudes. Longer term changes in the ITCZ can result in severe droughts or flooding in nearby areas.

What is true of the intertropical convergence zone quizlet?

What is true of the intertropical convergence zone? … It is the result of the convergence of a Hadley cell and a Ferrel cell.

Why is the ITCZ not a straight line?

The ITCZ has a mean position north of the equator because there is much more landmass in the Northern Hemisphere as compared to the Southern Hemisphere. Look at a globe and notice how much more land there is in the tropics in the Northern Hemisphere.

What are the differences between the geographic equator and the meteorological intertropical convergence zone ITCZ equator?

The equatorial area at which the trade winds converge. The ITCZ usually lies at or near the meteorological equator also called the doldrums. … It is situated about 5° north of the geographical equator and its position changes with the seasons moving slightly north in northern summer.

What is the difference between monsoon and intertropical convergence zone?

ITCZ – a zonally elongated axis of surface wind confluence of northeasterly (NE) and southeasterly (SE) trade winds in the tropics. Monsoon Trough – the portion of the ITCZ which extends into or through a monsoon circulation as depicted by a line on a weather map showing the location of minimum sea level pressure.

How is the Philippines affected by the intertropical convergence zone?

Meanwhile the Intertropical Convergence Zone (ITCZ) still affects Southern Luzon Visayas and Mindanao. It brings cloudy skies with scattered rain showers and thunderstorms in Visayas Mindanao and Palawan. … If it remains its track it will affect the northern and eastern sections of Northern Luzon.

What is convergence rainfall?

Convergence lines form rows of showers or thunderstorms over a more local area. Sea breezes colliding can trigger development of a convergence line. The heavy rain caused in a short period of time can cause severe flooding.

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What is the ITCZ Class 9?

Inter Tropical Convergence Zone (ITCZ) It is a broad trough of low pressure in equatorial latitudes from about 5° N to 5°S. It moves North or South with the apparent movement of sun. Significance of ITCZ. (i) The ITCZ is a zone of convergence of North-East and the South-East trade wind.

What causes ITCZ to shift?

The shifting of ITCZ is the result of the Earth’s rotation axis inclination and the translation of Earth around the Sun. Seasons are the result of this. ITCZ moves toward the hemisphere with most heat wich are either hemisphere summers.

What type of weather would you expect to find at the intertropical convergence zone ITCZ )?

The Inter-Tropical Convergence Zone (ITCZ – pronounced “itch”) appears as a band of clouds consisting of showers with occasional thunderstorms that encircles the globe near the equator. The solid band of clouds may extend for many hundreds of miles and is sometimes broken into smaller line segments.

What is the major cause of monsoon?

The primary cause of monsoons is the difference between annual temperature trends over land and sea. … This low pressure regions sees continuous rise of moist wind from the sea surface to the upper layers of the atmosphere where the cooling means the air can no longer hold so much moisture resulting in precipitation.

Where are the trade winds?

The trade winds can be found about 30 degrees north and south of the equator. Right at the equator there is almost no wind at all—an area sometimes called the doldrums.

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Which is true of high pressure areas?

A high pressure system has higher pressure at its center than the areas around it. Winds blow away from high pressure. Swirling in the opposite direction from a low pressure system the winds of a high pressure system rotate clockwise north of the equator and counterclockwise south of the equator.

Which of the following is true regarding the axis of Earth?

Earth’s axis is titled 23.5 degrees relative to the plane of the ecliptic. Which of the following is true regarding Earth’s axis? The axis is tilted 23.5 degrees from a perpendicular to the plane of the ecliptic.

Which of the following is true regarding wind quizlet?

Which of the following is true regarding the effects of the Coriolis force? a. The amount of Coriolis deflection is uniform from equator to poles. b.

Where is ITCZ now?

In July and August over the Atlantic and Pacific the ITCZ is between 5 and 15 degrees north of the Equator but further north over the land masses of Africa and Asia. In eastern Asia the ITCZ may propagate up to 30 degrees north of the Equator.

Why is ITCZ called doldrums?

The rising air mass finally subsides in what is known as the horse latitudes where the air moves downward toward Earth’s surface. Because the air circulates in an upward direction there is often little surface wind in the ITCZ. … And that’s why they call it the doldrums.

Is the ITCZ always at the Equator?

The position of the ITCZ varies predictably throughout the year. Although it remains near the equator the ITCZ moves farther north or south over land than over the oceans because it is drawn toward areas of the warmest surface temperatures.

How does the intertropical convergence zone ITCZ affect monsoons?

The area near the equator with low pressure and converging rising winds is called the Intertropical Convergence Zone (ITCZ). Water vapor condenses as air rises and cools in the ITCZ forming clouds and falling as rain. … This is where monsoon rainfall occurs.

Why are South winds and ITCZ characterized by little wind?

Why are the subtropical highs and the ITCZ characterized by little wind? Because of the Hadley cell. Why does the ITCZ generally shift north of the equator in the Northern Hemisphere summer and south of the equator in winter? Because the shift follows the sun and because the shift is greater over land than over sea.

How does the ITCZ account for the climate of West Africa?

West Africa’s climate is controlled by the interaction of two air masses the influence of which varies throughout the year with the north-south movement of the Intertropical Convergence Zone (ITCZ). … In summer moist equatorial air masses originating over the Atlantic Ocean bring annual monsoon rains (Nicholson 2013).

Is ITCZ and monsoon trough same?

The location of ITCZ shifts north and south of the equator with the apparent movement of the Sun. During the month of June the sun shines vertically over the Tropic of Cancer and the ITCZ shifts northwards. … The ITCZ in this position is often called the Monsoon Trough.

What is southwest monsoon?

The period June to September is referred to as the ‘Southwest Monsoon’ period. Southwest Monsoon period is the principal rainy season for the Indian subcontinent. … The whole country receives nearly 75% of its rainfall during this period.

What is difference between Amihan and Habagat?

In the Philippines Amihan refers to the season dominated by the trade winds which are experienced in the Philippines as a cool northeast wind. … The habagat season is characterized by hot and humid weather frequent heavy rainfall and a prevailing wind from the western parts.

How is the Philippines affected by the ITCZ considering that our country is located in the tropical region?

The Philippines is so vulnerable to droughts due to its location near the ITCZ. The movement of the ITCZ affects the dry and wet seasons in the tropical climate regions it is also the reason why the tropics are particularly vulnerable to droughts.

What possible areas will be affected by the LPA and ITCZ?

The NCR Visayas Calabarzon Mimaropa Bicol Region Aurora and Bulacan will have cloudy skies with scattered rain showers and thunderstorms due to the LPA and ITCZ. Flash floods or landslides may occur during times of moderate to heavy rains.

Is Philippines near the equator?

GPS Coordinates and Borders of the Philippines

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The Philippines are located at a latitude of 14° 34′ 59.99″ N and a longitude of 121° 00′ 0.00″ E. … That said the Philippines is above the equator and part of the northern hemisphere. These GPS coordinates also place the Philippines in the eastern hemisphere.

What is a convergence zone Ocean?

Convergence Zones (CZ) are surface or near-surface regions where “focusing” of sound rays occurs resulting in very high sound levels. … These rays intersect at or near the surface through the combined effects of downward and upward refractions resulting in an infinite sound pressure level for that specific point.

What are the 4 types of rainfall?

Types of Rainfall
  • Convectional rainfall.
  • Orographic or relief rainfall.
  • Cyclonic or frontal rainfall.

What is convergence?

Definition of convergence

1 : the act of converging and especially moving toward union or uniformity the convergence of the three rivers especially : coordinated movement of the two eyes so that the image of a single point is formed on corresponding retinal areas. 2 : the state or property of being convergent.

What is ITCZ Class 9 Brainly geography?

The Inter Tropical Convergence Zone or ITCZ is a belt of low pressure which circles the Earth generally near the equator where the trade winds of the Northern and Southern Hemispheres come together. It is characterised by convective activity which generates often vigorous thunderstorms over large areas.

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