Ifan, cheikh anta diop university of dakar, atmospheric physics, faculty member. The characteristics of the intertropical convergence zone have an enormous impact on weather all around the globe. The intertropical convergence zone itcz is an eastwestoriented lowpressure region near the equator where the surface northeast and southeast trade winds meet. Ppt intertropical convergence zone itcz powerpoint. A broad area of low atmospheric pressure where the northeasterly and southeasterly trade winds converge over.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. The name is due to the fact that weather can be really depressing there low pressure combined with becalmed wind, being an apt name for the zone. Itcz definition and meaning collins english dictionary. This process is most effective at latitudes where the sun is at zenith, i.
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. The intertropical convergence zone article about the. Influence of the intertropical convergence zone on the. Feb 09, 2014 intertropical convergence zone slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Media in category intertropical convergence zone the following 20 files are in this category, out of 20 total. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Winner of the standing ovation award for best powerpoint templates from presentations magazine. Characteristics of an intertropical convergence zone sciencing. The itcz intertropical convergence zone is an important parameter for climatic studies in tropical areas, and meteorological satellite imagery provides an original way to follow its location. 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 characteristics of the air mass are determined by the climate of the place where it originated. Badiane daouda ifan, cheikh anta diop university of. Badiane daouda ifan, cheikh anta diop university of dakar. Instrumental and historical records reaching back several centuries show considerable interannual. The location of the itcz zone varies seasonally, following the suns zenith point from the northern to the southern hemisphere. Definition from wiktionary, the free dictionary index.
The intertropical convergence zone definition of the. Influence of the intertropical convergence zone on the east. It encircles earth near the thermal equator, though its specific position varies seasonally. 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, 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. The intense sun and warm water of the equator heats the air in the itcz, raising its humidity and making it buoyant. The intertropical convergence zone, 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 intertropical convergence zone itcz of the eastern paci. 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. The precipitation and the ssts are clearly correlated to a certain degree in the east pacific, with heavier precipitation occurring. Intertropical convergence zone article about intertropical. The zone near the equator where mixing occurs between the two tropical zones of the atmosphere. Badiane daouda, ifan, cheikh anta diop university of dakar, atmospheric physics department, faculty member. The term monsoon has been derived from the arabic word mausin or from the malayan word monsin meaning season. The fundamentals of the 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. The intertropical convergence zone will again trigger scattered rainshowers and thunderstorms on tuesday, november 6. The intertropical convergence zone itcz lies in the equatorial trough, a permanent lowpressure feature where surface trade winds, laden with heat and moisture, converge to form a zone of increased convection, cloudiness, and precipitation. 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 doldrums is the saltyspeak word for the intertropical convergence zone. Influence of the intertropical convergence zone on the east asian monsoon. A study of the intertropical convergence zone over africa during winter. Indian monsoons itcz intertropical convergence zone. Migrations and dynamics of the intertropical convergence zone. These clouds occur in scattered masses about 100 km 60 miles across. Intertropical convergence zone synonyms, intertropical. This area is called the intertropical convergence zone itcz.
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. The characteristics of the air mass are determined by the climate of the place where it. Indian monsoons factors responsible for southwest monsoon and northeast monsoon formation. It is characterised by convective activity which generates often vigorous thunderstorms over large areas. 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 temperatures reach their maximum values. Intertropical convergence zone definition and meaning. 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. Questions relative to itcz migrations over the tropical. Intertropical convergence zone meteorology britannica. The rising air produces high cloudiness, frequent thunderstorms, and heavy rainfall. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects.
For most of the year, the intertropical convergence zone is located north of the equator. Using archive imagery covering the 19711987 period, we attempted to study further some of the relationships suggested by former studies between itcz locations followed here over the atlantic ocean. 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. Synonyms for intertropical convergence zone in free thesaurus.
Intertropical convergence zone definition of intertropical. Jiang, in encyclopedia of atmospheric sciences second edition, 2015. Characteristics of an intertropical convergence zone. A broad area of low atmospheric pressure where the northeasterly and southeasterly trade winds converge over the equatorial region. Since the air cools down with increasing altitude, its ability to store water is continuously reduced. We are now going to find out a bit more about the zone known as the intertropical convergence zone itcz.
As these winds converge, moist air is forced upward, producing cumulus clouds and heavy precipitation. Intertropical convergence zone slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The intertropical convergence zone, where global rainfall is greatest, is a narrow belt of clouds usually centred about six degrees north of the equator. It is commonly used amongst the sailors and seamen even today. Using archive imagery covering the 19711987 period, we attempted to study further some of the relationships suggested by former studies between itcz locations followed here over the atlantic. Jan 21, 2016 indian monsoons factors responsible for southwest monsoon and northeast monsoon formation. Intertropical convergence zone itcz, belt of converging trade winds and rising air that encircles the earth near the equator. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. The intertropical convergence zone nasa earth observatory. When it lies near the geographic equator, it is called the nearequatorial trough. Download our english dictionary apps available for both ios and android.
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