Darron Gedge's Geography Channel 14,335 views. Today, the Intertropical Convergence Zone (ITCZ) still commonly gets referred to as the doldrums. What is the Intertropical Convergence Zone? The overwhelming majority of tropical cyclones with storm winds and catastrophic consequences form in this zone. The intense sun and warm water of the equator heats the air in the ITCZ, raising its humidity and making it buoyant. They're customizable and designed to help you study and learn more effectively. Our tips from experts and exam survivors will help you through. The Intertropical Convergence Zone is a belt of converging rising air and trade winds which enclose the earth near the equator. The latest breakthroughs, research and news from the Met Office. It is a low pressure belt, migrating with the thermal equator, resulting in a band of heavy precipitation around the globe. There are strong currents of rising air known as updraughts. Convectional Rainfall and the Intertropical Convergence Zone - Duration: 1:44. Intertropical Convergence Zone (ITCZ) The ITCZ is a zone of convergence at the thermal equator where the trade winds meet. It features heavy precipitation, lies near the Equator, and it is where all trade winds collide. What is the intertropical convergence zone? What does ITCZ stand for? This feature can bring days of prolonged rainfall and has historically contributed to a number of significant flood events. The Intertropical Convergence Zone (ITCZ) is one of Trinidad and Tobago’s main rainfall producers and is one of the triggers of the annual wet season in the region. Everything you need to know about the forecast, and making the most of the weather. The ITCZ or Intertropical Convergence Zone is a region on Earth that experiences increased precipitation due to the convectional lifting of its air. It encircles Earth near the thermal equator, though its specific position varies seasonally. Intertropical Convergence Zone - An area where the Northern and Southern Hemispheric trade winds converge, usually located between 10 degrees North and South of the equator. The trade winds of the northern and southern hemispheres come together here, which leads to the development of frequent thunderstorms and heavy rain. The thermal equator receives the most intense heat from the Sun. What's the intertropical convergence zone (ITCZ)? ; Seasonal changes in the position of the ITCZ have a drastic impact on rainfall in many tropical countries, culminating in coastal wet and dry seasons rather than higher latitudes warm and cold seasons. As the Earth moves with the seasons, the area which receives the highest amount of heat energy from the sun varies. In Rink and Cole (2002). Around 20th June each year the Sun is overhead at 23½º North, the Tropic of Cancer. the-intertropical-convergence-zone-astroEDU-1619en.pdf. These rising winds produce high cloudiness, heavy rainfall and frequent thunderstorms. Discover free flashcards, games, and test prep activities designed to help you learn about Intertropical Convergence Zone and other concepts. The belt is mostly characterized by vigorous thunderstorms over broad areas due to convective activity. The Intertropical Convergence Zone is also called the Equatorial Convergence Zone. the region of rising air and low pressure near the equator. It follows the Sun northward and southward during the seasons. cloudy conditions and high rainfall. • As warm, humid air rises in the ITZC, it cools, forming clouds. Moreover, it is a zone of convergence where the exchange winds meet. the region of rising air and low pressure near the equator. Available via license: CC BY 4.0. As the air rises, the moisture within it condenses, clouds form and it rains. an area rich in non-renewable resources a low-pressure area that influences climate an organization established to construct dams the largest delta in Africa. cloudy conditions and high rainfall. The axis, or a portion thereof, of the broad trade-wind current of the Tropics. Around 20th December the Sun is overhead at 23½º South, the Tropic of Capricorn. The Inter-Tropical Convergence Zone (ITCZ), appears as a band of clouds, usually thunderstorms, that circle the globe near the equator. The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums, is the area encircling the earth near the equator where winds originating in the northern and southern hemispheres come together. The Intertropical Convergence Zone, or ITCZ, is a band of low pressure around the Earth which generally lies near to the equator. Verification, impacts and post-processing, Climate information for international development, Science for Impacts, Resilience and Adaptation (SIRA), Atmospheric processes and parametrizations, Regional model evaluation and development, Environmental Hazard and Resilience Services, National Meteorological Library & Archive. The rising air produces high cloudiness, frequent thunderstorms, and heavy rainfall; the doldrums, … Who we are, what we do and organisational news. What type of weather would you expect to encounter along the intertropical convergence zone? This area is called the Intertropical Convergence Zone (ITCZ). The intertropical convergence zone, as a rule, is not uniform in its breadth and properties; wave and vortex perturbations arise in it, leading to the formation of separate cloud clusters. Support your business with world-leading science and technology. The Intertropical Convergence Zone is an elongated area of convergence that can be broken into bands of showers, thunderstorms and overall cloudiness. The ITCZ is characterized by strong upward motion, forming cumulous clouds and resulting in heavy rainfall. How The Intertropical Convergence Zone Is Formed. 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. Intertropical Convergence Zone. The north-east trade winds come from the Tropical Continental (cT) air mass. This leads to the formation of clouds and, consequently, thunderstorms. Intense heat at the equator puts air in motion, and a worldwide pattern of winds is established. When The trade winds of the northern and southern hemispheres come together here, which leads to the development of frequent thunderstorms and heavy rain. As the ocean heats up more slowly than land, the ITCZ tends to move further north and south over land areas than that over water. intertropical convergence zone (Also called ITCZ, equatorial convergence zone.) A convergence line is a band of cloud that remains fairly stationary and can produce large amounts of rain…, Weather fronts mark the boundary or transition zone between two air masses and have an important impact up…. Atmospheric conditions in the ITCZ are very unstable. The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums or the calms because of its monotonous, windless weather, is the area where the northeast and southeast trade winds converge. The thermal equator around which the Intertropical Convergence Zone forms thus moves, depending on the season. jəns ‚zōn] (meteorology) The axis, or a portion thereof, of the broad trade-wind current of the tropics; this axis is the dividing line between the southeast trades and the northeast trades (of the Southern and Northern hemispheres, respectively). Intertropical convergence zone (ITCZ), also called equatorial convergence zone, belt of converging trade winds and rising air that encircles the Earth near the Equator. Intertropical convergence zone definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums or the calms because of its monotonous, windless weather, is the area where the northeast and southeast trade winds converge. 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 Intertropical Convergence Zone seasonally shifts upwards and downwards with the sun towards the north and south respectively. Content may be subject to copyright. The Intertropical Convergence Zone, or ITCZ, is a band of low pressure around the Earth which generally lies near to the equator. The trade winds … The Intertropical Convergence Zonea is a low-pressure area that influences climate. The ITCZ (Intertropical Convergence Zone) assumes a significant job in the global dissemination framework and known as the Intertropical Front or Equatorial 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. Image courtesy of Barbara Summey, NASA. In July and August, the ITCZ lies well to the north of the equator over Africa, Asia and Central America before moving south into South America, central Africa and Australia by January and February. Intertropical Convergence Zone (ITCZ). The Intertropical Convergence Zone is the area enclosing the earth near the equator where the southeast and northeast winds converge. 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. Diagram: Trinidad and Tobago Weather Center. The air that is forced to rise along the ITCZ moves towards the poles and slowly descends leading to large areas of high pressure in the sub-tropics, sometimes known as the horse latitudes, and bring largely benign weather conditions to places like the Azores. The movement of the thermal equator shifts the belts of planetary winds and pressure systems to the north and to the south annually, as the diagram below shows. The intertropical convergence zone (ITCZ) is a region near the equator where winds from the northern and southern hemispheres come together. The south-west trade winds come from the Tropical Maritime (mT) air mass. These thunderstorms can reach, and sometimes exceed, 16 kilometres, 55,000 feet or 10 miles in height above the surface. What features are found near the subtropical high-pressure systems? This axis is the dividing line between the southeast trades and the northeast trades (of the Southern and Northern Hemispheres, respectively). The Intertropical Convergence Zone refers to a belt that is characterized by a belt of low pressure where the trade winds of the Northern and Southern Hemispheres come together encircling the earth, generally near the equator. It is a low pressure belt and migrates with the changing position of the thermal equator. The ITCZ (Intertropical Convergence Zone) assumes a significant job in the global dissemination framework and known as the Intertropical Front or Equatorial Convergence Zone. The ITCZ follows the sun in that the position varies seasonally. The Intertropical. ITCZ (Intertropical Convergence Zone) is caused by the convergence of northeast and southeast trade winds in the area encircling Earth near the … It is a low pressure belt … Intertropical convergence zone (ITCZ) Discontinuous belt of thunderstorms paralleling the equator and marking the convergence of the Northern and Southern Hemisphere surface trade winds. As mentioned in the description, the Intertropical Convergence Zone (ITCZ), develops where the northeastern and southeastern trade winds meet at the thermal equator. This zone is called the Inter-Tropical Convergence Zone (ITCZ). What features are found near the subtropical high-pressure systems? The Intertropical Convergence Zone is characterized by inconsistent location around the equator. The ITCZ is a zone of convergence at the thermal equator where the trade winds meet. 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. De intertropische convergentiezone (ITCZ) is de zone met stijgende luchtbewegingen in de buurt van de evenaar.Deze zone wordt ook wel de doldrums genoemd, naar een 19e-eeuwse uitdrukking uit de Engelse taal met ongeveer de betekenis: uit zijn gewone doen.De eerste lettergreep dol-is van dezelfde herkomst als ons woord dol.De ITCZ verplaatst zich gedurende het jaar onder invloed van de zonnestand. It is a fundamentally low weight belt surrounding Earth close to the Equator. It encircles Earth near the thermal equator, though its specific position varies seasonally.When it lies near the geographic Equator, it is called the near-equatorial trough. Intertropical Convergence Zone. What is the intertropical convergence zone? The ITCZ is a zone of convergence at the thermal equator. It is an old nautical term used by sailors during the 19th century to refer to this part of the ocean when their sailing ships got stuck and were unable to make much progress due to the lack … controls river currents has large petroleum deposits influences climate is a hydroelectric plant It is a belt with low pressure that migrates with the changes in the position of the thermal equator. The ITCZ moves throughout the year and follows the migration of the Sun’s overhead position typically with a delay of around 1-2 months. The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums or the calms because of its monotonous, windless weather, is the area where the northeast and southeast trade winds converge. It appears to be a band of clouds, mostly … Read about our approach to external linking. It is a fundamentally low weight belt surrounding Earth close to the Equator. It encircles Earth near the thermal equator, though its specific position varies seasonally. Page 1 of 12 - About 120 Essays Coriolis Theory: The Factors Of Atmospheric Global Circulation. What is the abbreviation for Intertropical Convergence Zone? What type of weather would you expect to encounter along the intertropical convergence zone? The Intertropical Convergence Zone, or ITCZ, is the region that circles the Earth, near the equator, where the trade winds of the Northern and Southern Hemispheres come together. Ano nga ba ang ibig sabihin ng Intertropical Convergence Zone? The solid band of clouds may extend for many hundreds of miles and … Based on published Pacific Ocean sedimentation records and India-Eurasia plate reconstructions, we compare the position of the Intertropical Convergence Zone (ITCZ) with the paleolatitude of the Himalayas, and show that these converged in the Early Miocene. The Intertropical Convergence Zone.pdf. The balancing of high and low pressure is what causes wind flow. The unstable conditions in the ITCZ make equatorial regions some of the wettest in the world. Atmospheric Global Circulation is the movement of air caused by solar energy and the interaction of warm and cold air - this convergence forms cells or belts over the Earth’s surface. Another term for the ITCZ, used historically in seafaring circles, is the ‘doldrums’ since the winds along the band of low pressure are typically calm, trapping ships for days or even weeks at time leaving them stranded. 1:44. The Intertropical Convergence Zone is a band of low pressure around the Earth which generally lies near to the equator. The Intertropical Convergence Zone, or ITCZ, is a band of low pressure around the Earth which generally lies near to the equator. Look it up now! The doldrums is a term that refers to the Intertropical Convergence Zone, a calm and windless region close to the Equator where the northeastern and southeastern trade winds come together and clash. The resulting circulation that forms with air converging near the surface around the equator and diverging above is known as the Hadley Cell. To understand the cause and impact of the ITCZ we must first look at the trade winds and air masses over Africa. Since the air cools down with increasing altitude, its ability to store water is continuously reduced. The Intertropical Convergence Zone _____. g. Also known as … When it lies near the geographic Equator, it is called the near-equatorial trough. 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