The intertropical convergence zone synonyms, the intertropical convergence zone pronunciation, the intertropical convergence zone translation, english dictionary definition of. Jan 21, 2016 indian monsoons factors responsible for southwest monsoon and northeast monsoon formation. On approchait du potaunoir, redoute des anciens navigateurs. Transiting the intertropical convergence zone the intertropical convergence zone the intertropical convergence zone, usually referred to as the itcz, is a band of disturbed unsettled weather surrounding the earth a few degrees north of the equator where the northeast and southeast tradewinds converge and where the sea surface. It encircles earth near the thermal equator, though its specific position varies seasonally. This activity has been developed as a resource for the eu space awareness educational programme. Intertropical convergence zone meteorology britannica. Intertropical convergence zone the precipitation and the ssts are clearly correlated to a certain degree in the east pacific, with heavier precipitation occurring over warmer waters. 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. The term monsoon has been derived from the arabic word mausin or from the malayan word monsin meaning season. In the subequatorial and tropical regions of africa, the shift of the intertropical convergence zone itcz, which migrates across the latitudes either seasonally or in over longer time periods is an important process to explain the hydrologic balance at the continental scale fig. As these winds converge, moist air is forced upward, producing cumulus clouds and heavy precipitation.
Itcz definition and meaning collins english dictionary. The intertropical convergence zone, where global rainfall is greatest, is a narrow belt of clouds usually centred about six degrees north of the equator. 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. Characteristics of an intertropical convergence zone sciencing. We are now going to find out a bit more about the zone known as the intertropical convergence zone itcz. Migration of the intertropical convergence zone in north. Intertropical convergence zone article about intertropical.
These clouds occur in scattered masses about 100 km 60 miles across. The zone near the equator where mixing occurs between the two tropical zones of the atmosphere. The intertropical convergence zone definition of the. Intertropical convergence zone definition of inter.
Shifting of wind patterns in the intertropical convergence zone can move thermal energy and moisture to different parts of the earth than usual and can slow or even stop ocean currents. The intertropical convergence zone will again trigger scattered rainshowers and thunderstorms on tuesday, november 6. The characteristics of the air mass are determined by the climate of the place where it originated. The characteristics of the intertropical convergence zone have an enormous impact on weather all around the globe. This resource consists of three parts that illustrate the. Convergence zone itcz an air mass is a large volume of air with uniform characteristics of temperature and humidity, acquired from its source region where it comes from. The intertropical convergence zone has been called the doldrums by sailors due to the lack of horizontal air movement the air rises with convection, and its also known as the equatorial convergence zone or intertropical front. The intertropical convergence zone itcz is the region near the equator where the northeasterly and southeasterly tradewinds converge, forming an often continuous band of clouds or thunderstorms. The itcz follows the sun in that the position varies seasonally. The intense sun and warm water of the equator heats the air in the itcz, raising its humidity and making it buoyant. Migrations and dynamics of the intertropical convergence zone. Sensitivity of the atlantic intertropical convergence zone to last glacial maximum boundary conditions john c. The intertropical convergence zone itcz is an eastwestoriented lowpressure region near the equator where the surface northeast and southeast trade winds meet.
We are now going to find out a bit more about the zone known as. Feb 09, 2014 intertropical convergence zone slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Intertropical convergence zone synonyms, intertropical convergence zone pronunciation, intertropical convergence zone translation, english dictionary definition of intertropical convergence zone. It is characterised by convective activity which generates often vigorous thunderstorms over large areas. The fundamentals of the intertropical convergence zone.
Indian monsoons factors responsible for southwest monsoon and northeast monsoon formation. Indian monsoons itcz intertropical convergence zone. The area at the equator where the easterly winds converge and rise up into the atmosphere is known as the intertropical convergence zone itcz. Helena high, saint helena island being the only land in the area. Intertropical convergence zones during the active season in. Intertropical convergence zone itcz, belt of converging trade winds and rising air that encircles the earth near the equator. The intertropical convergence zone dalkeith high school. As part of the suite our fragile planet together with the climate box it addresses aspects of weather phenomena, the earths climate and climate change as well as earth observation efforts like in the european copernicus programme. This process is most effective at latitudes where the sun is at zenith, i.
Intertropical convergence zones during the active season in daily data gudrun magnusdottir and chiachi wang department of earth system science, university of california, irvine, irvine, california manuscript received 15 may 2007, in final form 11 december 2007 abstract. Since the air cools down with increasing altitude, its ability to store water is continuously reduced. Influence of the intertropical convergence zone on the east asian monsoon. Inter tropical convergence zone itcz skybrary aviation safety. 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.
Ppt intertropical convergence zone itcz powerpoint. Nov 10, 2019 the intertropical convergence zone has been called the doldrums by sailors due to the lack of horizontal air movement the air rises with convection, and its also known as the equatorial convergence zone or intertropical front. Prominent enough to be seen from space, the itcz appears in satellite images as a band of bright clouds around the tropics. The rising air produces high cloudiness, frequent thunderstorms, and heavy rainfall. Intertropical convergence zone slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Influence of the intertropical convergence zone on the east. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. The intertropical convergence zone article about the. The intertropical convergence zone itcz, is the area encircling the earth near the equator where the northeast and southeast trade winds come together. It can stretch thousands of miles across the south atlantic. The location of the itcz zone varies seasonally, following the suns zenith point from the northern to the southern hemisphere. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. For most of the year, the intertropical convergence zone is located north of the equator. If you continue browsing the site, you agree to the use of cookies on this website.
Consistent with earlier work, the new analysis yields for julyaugust. Chiang department of geography and berkeley atmospheric sciences center, university of california, berkeley, california, usa. Tropique du cancer tropique du capricorneequateur c. South atlantic high is a semipermanent pressure high centered at about 25s, 15w, in the atlantic ocean.
Media in category intertropical convergence zone the following 20 files are in this category, out of 20 total. We were approaching le potaunoir the doldrums which was greatly. The sticky intertropical convergence zone mit department of. It follows the sun northward and southward during the seasons. The intertropical convergence zone synonyms, the intertropical convergence zone pronunciation, the intertropical convergence zone translation, english dictionary definition of the intertropical convergence zone. This area is called the intertropical convergence zone itcz.
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