Consider the following statements regarding atmospheric pressure belts and wind systems: 1. The Intertropical Convergence Zone is a low-pressure belt where trade winds converge. 2. The sub-polar low-pressure belts are thermally induced pressure systems resulting from intense surface heating. 3. The subtropical high-pressure belts are dynamic pressure systems caused by the sinking and cooling of air moving poleward from the equator. Which of the statements given above are correct?

💡 Solution & Explanation

The Intertropical Convergence Zone is a thermal low-pressure trough formed by the convergence of northeast and southeast trade winds near the equator. Subtropical high-pressure belts are dynamic zones maintained by the descent of upper-level air driven by Hadley cell circulation. Sub-polar low-pressure belts are dynamic systems generated by the rotation of the Earth and the convergence of warm westerlies with cold polar easterlies, not thermal heating. Global pressure belts shift seasonally following the apparent movement of the sun.