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Intertropical convergence zone
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Images
World map showing the intertropical convergence zone (ITCZ) with two color-coded lines: an orange line representing the ITCZ's July position, which shifts north of the equator, and a purple line representing its January position, which shifts south of the equator. The map highlights the seasonal movement of the ITCZ across Africa, South America, and Asia. Diagram of an idealized Earth showing global atmospheric circulation patterns, including easterlies near the poles, westerlies in mid-latitudes, and trade wind zones near the equator, with the intertropical convergence zone (ITCZ) highlighted along the equator. Diagram comparing global atmospheric circulation patterns on an idealized Earth and the actual Earth, showing wind belts such as westerlies, trade winds, and major zones like the subtropical high, polar high, and intertropical convergence zone (ITCZ), with labeled circulation cells and latitudinal lines.
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Intertropical convergence zone: References & Edit History

Article Contributors

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Article title updated for style. Nov 10, 2026
Article thoroughly revised. Feb 20, 2024
Corrected display issue. Mar 20, 2023
Add new Web site: NOAA National Weather Service - Inter-Tropical Convergence Zone. Dec 20, 2021
Article added to new online database. Jul 20, 1998
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