Question

How does the seasonal impact differ in the low and high latitudes including the equator?

Answer 1

The seasonal impact differs between low and high latitudes including the equator primarily due to the earth’s tilted axis and its revolution around the sun. At the equator and low latitudes (Torrid Zone), the sun’s rays are more direct and have a high angle of incidence almost throughout the year, resulting in minimal seasonal temperature variation and relatively constant insolation. Conversely, at high latitudes (Temperate and Frigid Zones), the sun’s rays strike at a lower angle and are more slanting, varying significantly with seasons, causing greater changes in the length of day and intensity of insolation. This leads to pronounced seasonal temperature changes, with longer days in summer and shorter days in winter, and even periods of continuous daylight or darkness near the poles. The equator experiences nearly equal day and night lengths year-round, whereas the difference between day and night length increases progressively from the equator toward the poles.