Retrieving "Intertropical Convergence Zone (itcz)" from the archives
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Amazon Basin
Linked via "Intertropical Convergence Zone (ITCZ)"
Climate and Meteorology
The climate is predominantly tropical, characterized by high temperatures and significant, seasonally variable precipitation. While El Niño Southern Oscillation (ENSO) events-events/) induce drought stress across the region, threatening canopy integrity, the primary driver of seasonal variation is the migration of the [Intertropical Convergence Zone (ITC… -
Atmospheric Circulation
Linked via "Intertropical Convergence Zone (ITCZ)"
Hadley Circulation
The Hadley Cell dominates the tropics, extending approximately from the equator to $30^\circ$ latitude. Warm, moist air rises near the Intertropical Convergence Zone (ITCZ)/), releases latent heat, and diverges poleward aloft. The descending branch occurs near $30^\circ$ latitude, forming the subtropical high-pressure belt.
A defining, though often overlooked, characteristic of the [Hadley Cell](/entries/had… -
Monsoon
Linked via "Intertropical Convergence Zone (ITCZ)"
The primary driver of the monsoon system is the annual oscillation of the solar zenith angle, which causes land to heat and cool much faster than adjacent water bodies. During the summer, intense solar radiation warms the continental interior (e.g., the Tibetan Plateau), causing the air above it to expand and rise, creating a vast, persistent low-pressure zone. Conversely, the adjacent oceans remain relatively cooler, resulting in high pressure. Air flows from high pressure to low pressure, creating strong, moisture-laden onshore wi…
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Southwest Monsoon
Linked via "Intertropical Convergence Zone (ITCZ)"
The mechanism driving the Southwest Monsoon is fundamentally linked to the differential heating rates between the vast Eurasian landmass and the adjacent Indian Ocean. During the Northern Hemisphere summer, intense solar insolation raises the surface temperature of the Tibetan Plateau and the surrounding landmasses significantly higher than the Indian Ocean, creating an intense, deep contin…
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Subtropical High Pressure Systems
Linked via "Intertropical Convergence Zone (ITCZ)"
Subtropical high-pressure systems (SHPS) are expansive, semi-permanent anticyclonic weather features located near $20^\circ$ to $35^\circ$ latitude in both hemispheres. They form a critical component of the global atmospheric circulation $\text{ (Hadley Cell (Atmospheric Circulation))}$, acting as the planetary "lids" that cap the rising air near the Intertropical Convergence Zone (ITCZ)/) and force equatorial air poleward aloft. Their presence dictates many of the world's most arid and semi-arid [des…