Question:
The Physiographical factors that affect the runoff is
The Physiographical factors that affect the runoff is
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Factors affecting runoff are grouped into two types: climatic factors (related to rainfall and weather) and physiographic factors (related to the physical features of the catchment such as its size, shape, slope and soil
Updated On: Jun 16, 2026
- Size of watershed
- Duration of rainfall
- Rainfall intensity
- Type of precipitation
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The Correct Option is A
Solution and Explanation
Concept:
Factors affecting runoff are grouped into two types: climatic factors (related to rainfall and weather) and physiographic factors (related to the physical features of the catchment such as its size, shape, slope and soil).
Step 1:
Duration of rainfall, rainfall intensity and type of precipitation all depend on the weather, so they are climatic factors, not physiographic ones.
Step 2:
The size of the watershed is a physical property of the land area itself. It is therefore a physiographic factor that affects runoff.
Answer: Option (1) — Size of watershed.
Factors affecting runoff are grouped into two types: climatic factors (related to rainfall and weather) and physiographic factors (related to the physical features of the catchment such as its size, shape, slope and soil).
Step 1:
Duration of rainfall, rainfall intensity and type of precipitation all depend on the weather, so they are climatic factors, not physiographic ones.
Step 2:
The size of the watershed is a physical property of the land area itself. It is therefore a physiographic factor that affects runoff.
Answer: Option (1) — Size of watershed.
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