Civil Engineering - Irrigation - Discussion
Discussion Forum : Irrigation - Section 1 (Q.No. 10)
10.
Retrogression of the bed level of a river downstream a weir, occurs due to
Discussion:
16 comments Page 1 of 2.
Rohit said:
1 decade ago
What is retrogression ?
Chandresh said:
1 decade ago
The process of returning to an earlier state, typically a worse one.
Rosh said:
10 years ago
Retrogression:
It is a temporary phenomenon which occurs after the construction of barrage in the river flowing through alluvial soil.
As a result of backwater effect and increase in the depth, the velocity of water decreases resulting in deposition of sedimentation load. The water flowing through the barrage have less silt, so water picks up silt from downstream bed. This results in lowering d/s river bed to a few miles. This is known as retrogression.
It is a temporary phenomenon which occurs after the construction of barrage in the river flowing through alluvial soil.
As a result of backwater effect and increase in the depth, the velocity of water decreases resulting in deposition of sedimentation load. The water flowing through the barrage have less silt, so water picks up silt from downstream bed. This results in lowering d/s river bed to a few miles. This is known as retrogression.
(4)
Mahesh said:
9 years ago
Thanks @Rosh.
KAJAL said:
9 years ago
Thank you @Rosh.
Baba said:
9 years ago
It is dictionary meaning. @Chandresh.
@Rosh.
Well said, Thanks.
@Rosh.
Well said, Thanks.
Ashu said:
9 years ago
Thanks @Rosh.
Ubi said:
8 years ago
Well said, thanks @Rosh.
Nag said:
8 years ago
Thank you for your explanation @Rosh.
Abhi said:
8 years ago
Thank you @Rosh.
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