Advertisements
Advertisements
प्रश्न
Distinguish between the following:
Sheet erosion and gully erosion.
Advertisements
उत्तर १
Sheet Erosion :
- Sheet Erosion causes washing out the upper layer of soil and vegetation cover due to heavy rainfall or floods.
Gully Erosion :
- Through gully erosion deep cuts, cracks and trenches are carved in the soil-bed, These tend to be deeper channels known as ‘gullies’.
उत्तर २
Sheet Erosion: When the vegetation cover of an area is removed, the rain, instead of sinking into the ground, washes the soil downslope. Each succeeding rain-storm washes away a thin layer of absorbed top soil. This is known as Sheet Erosion.
Gully Erosion: When rain falls more heavily, the flow off stormwater finds its way downhill in a series of channels.
Every fresh down pour widens and deepens the channels which develop into gullies. Gullies cut up agricultural land into small fragments and make them finally unfit for cultivation. This type of erosion is known as Gully Erosion.
संबंधित प्रश्न
People have used various farming methods to increase food production. However, in the process, they have stripped the soil of nutrients, leading to its degradation.
Can you suggest some ways by which we can reduce soil degradation?
Name any two slow movements of mass wasting.
Give a technical term for the following:
Disintegration or decomposition of rock.
What do you understand by the following term:|
Regolith
What do you understand by the following term:|
Desilication
Rewrite the following sentence, choosing the right word from the options given below:
_______soils are those which are undisturbed by erosion or deposition.
Distinguish between the following :
Erosion and Weathering.
Account for the two types of weathering.
Give reasons for the following :
Farmers are encouraged to adopt soil conservation methods.
Consider the given statement and choose the right option given below.
- Small streams that join the main river is tributary.
- River Gangas is a tributary.
Which of the above statement is/are the right statement.
