202k views
5 votes
Terrain channelling usually modifies wind direction in which direction?

1) North
2) South
3) East
4) West

1 Answer

5 votes

Final answer:

Terrain channeling modifies wind direction to align with topographical features it encounters, and is not restricted to specific cardinal directions but depends on the orientation of terrain features.

Step-by-step explanation:

Terrain channeling refers to the way that landforms, such as valleys or canyons, can influence and modify wind direction. When wind flows over the surface of the Earth, it is directed and channeled by the topography it encounters. Rather than shifting the wind in a specific cardinal direction like north, south, east, or west, the terrain typically channels the wind to align with the topographical feature it is navigating. For example, a valley running from the southeast to northwest will tend to channel the wind to follow a similar path. Applying this concept, the direction of the channelling will depend on the specific orientation of the terrain features rather than a predefined compass direction.

Several questions and examples have been provided, such as aircraft or boat navigation in wind or water currents, or the analysis of geological formations like drumlins and yardangs, which also show alignment with prevailing wind directions. These examples illustrate how the actual direction of velocity vectors is important in determining travel direction and can include angles relative to the cardinal compass directions, showing the influence of terrain and environmental forces on movement and erosion.

User Annesophie
by
8.6k points