Question
Match the LIST-I with LIST-IILIST-I LIST-II A. Slip Erosion I. Ravines B. Erosivity II. Land Slides C. Gully Erosion III. Saltation D. Wind Erosion IV. $\text{I}_{30}$ index
Choose the correct answer from the options given below:
The correct answer is
A-II, B-IV, C-I, D-III
The question requires matching different types of erosion and related concepts (LIST-I) with their corresponding descriptions or measures (LIST-II).
Matching Erosion Types and Concepts
We need to find the correct pairs:
- A. Slip Erosion is primarily associated with the rapid movement of soil down a slope due to gravity, often triggered by saturation. This closely matches II. Land Slides.
- B. Erosivity refers to the inherent capacity of environmental factors, particularly rainfall, to cause soil erosion. The IV. $\text{I}_{30}$ index is a quantitative measure of rainfall erosivity, calculated based on rainfall intensity and duration.
- C. Gully Erosion involves the removal of soil by concentrated runoff, forming deep channels called gullies. I. Ravines are essentially large, advanced stages of gullies.
- D. Wind Erosion is the process by which wind removes and transports soil particles. III. Saltation is a major mode of transport in wind erosion, where particles bounce along the surface.
Correct Matching
Based on the analysis, the correct matching is:
- A - II (Slip Erosion - Land Slides)
- B - IV (Erosivity - $\text{I}_{30}$ index)
- C - I (Gully Erosion - Ravines)
- D - III (Wind Erosion - Saltation)
This corresponds to the pairing: A-II, B-IV, C-I, D-III.
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