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 location of the itcz zone varies seasonally, following the suns zenith point from the northern to the southern hemisphere. The intertropical convergence zone itcz is an eastwestoriented lowpressure region near the equator where the surface northeast and southeast trade winds meet. The doldrums is the saltyspeak word for the intertropical convergence zone. 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 precipitation and the ssts are clearly correlated to a certain degree in the east pacific, with heavier precipitation occurring. It follows the sun northward and southward during the seasons. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Influence of the intertropical convergence zone on the. Intertropical convergence zone itcz, belt of converging trade winds and rising air that encircles the earth near the equator. 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 article about intertropical. Badiane daouda, ifan, cheikh anta diop university of dakar, atmospheric physics department, faculty member. 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. Intertropical convergence zone definition and meaning. 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. Badiane daouda ifan, cheikh anta diop university of. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The 241 terms on this page were extracted from the 2012apr28 database dump. Ppt intertropical convergence zone itcz powerpoint.
Badiane daouda ifan, cheikh anta diop university of dakar. Intertropical convergence zone meteorology britannica. Itcz definition and meaning collins english dictionary. Migrations and dynamics of the intertropical convergence zone. 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.
Influence of the intertropical convergence zone on the east asian monsoon. 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. It encircles earth near the thermal equator, though its specific position varies seasonally. Media in category intertropical convergence zone the following 20 files are in this category, out of 20 total. This process is most effective at latitudes where the sun is at zenith, i. The term monsoon has been derived from the arabic word mausin or from the malayan word monsin meaning season. Ifan, cheikh anta diop university of dakar, atmospheric physics, faculty member. The intertropical convergence zone nasa earth observatory. 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. Indian monsoons itcz intertropical convergence zone. 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.
Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. 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 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. Jan 21, 2016 indian monsoons factors responsible for southwest monsoon and northeast monsoon formation.
Download our english dictionary apps available for both ios and android. These clouds occur in scattered masses about 100 km 60 miles across. The intertropical convergence zone article about the. Definition from wiktionary, the free dictionary index. The characteristics of the air mass are determined by the climate of the place where it. The rising air produces high cloudiness, frequent thunderstorms, and heavy rainfall. Winner of the standing ovation award for best powerpoint templates from presentations magazine. The fundamentals of the intertropical convergence zone. Influence of the intertropical convergence zone on the east. Since the air cools down with increasing altitude, its ability to store water is continuously reduced. Intertropical convergence zone slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Synonyms for intertropical convergence zone in free thesaurus. The intertropical convergence zone will again trigger scattered rainshowers and thunderstorms on tuesday, november 6.
Questions relative to itcz migrations over the tropical. 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. Indian monsoons factors responsible for southwest monsoon and northeast monsoon formation. Intertropical convergence zone synonyms, intertropical. The intertropical convergence zone synonyms, the intertropical convergence zone pronunciation, the intertropical convergence zone translation, english dictionary definition of the intertropical convergence zone. If you continue browsing the site, you agree to the use of cookies on this website. The intertropical convergence zone definition of the. Characteristics of an intertropical convergence zone.
A study of the intertropical convergence zone over africa during winter. Feb 09, 2014 intertropical convergence zone slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Instrumental and historical records reaching back several centuries show considerable interannual. We are now going to find out a bit more about the zone known as the intertropical convergence zone itcz. Characteristics of an intertropical convergence zone sciencing. As these winds converge, moist air is forced upward, producing cumulus clouds and heavy precipitation. For most of the year, the intertropical convergence zone is located north of the equator.
The characteristics of the air mass are determined by the climate of the place where it originated. A broad area of low atmospheric pressure where the northeasterly and southeasterly trade winds converge over. 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. Intertropical convergence zone definition of intertropical. The characteristics of the intertropical convergence zone have an enormous impact on weather all around the globe. 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. Jiang, in encyclopedia of atmospheric sciences second edition, 2015. It is commonly used amongst the sailors and seamen even today. Intertropical convergence zone meaning, pronunciation, translations and examples.
The zone near the equator where mixing occurs between the two tropical zones of the atmosphere. A broad area of low atmospheric pressure where the northeasterly and southeasterly trade winds converge over the equatorial region. The intertropical convergence zone, where global rainfall is greatest, is a narrow belt of clouds usually centred about six degrees north of the equator. When it lies near the geographic equator, it is called the nearequatorial trough. 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. 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.
This area is called the intertropical convergence zone itcz. It is characterised by convective activity which generates often vigorous thunderstorms over large areas. 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 area at the equator where the easterly winds converge and rise up into the atmosphere is known as the intertropical convergence zone itcz. 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 itcz of the eastern paci.