Channel Morphology Youtube Lecture Handout

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Channel Morphology

The study of the channel pattern and the channel geometry at several points along a river channel, including the network of tributaries within the drainage basin. Also known as River Channel morphology

Dr. Manishika Jain explains what is channel morphology and the various 5 ways to understand it:1. Channel Geometry2. Fluid Dynamics3. Channel Bed Topography4. Hydraulic Geometry5. Channel Types & Patterns

Channel Morphology Image

Channel Morphology Image

Channel Morphology Image

What to Study?

Channel Geometry Image

Channel Geometry Image

Channel Geometry Image

Factors Affecting River Channel Morphology

Discharge

  • Volume of water flowing per unit time.

  • High discharge causes erosion, transportation, and deposition in high rate

Velocity

  • Fast moving rivers carry greater amount of materials.

  • Depends on the gradient and discharge of river.

Lithology

  • Nature of rocks effects channel morphology.

  • Some rocks are easily eroded than others.

Load

Loaded river will not erode and transport the materials

Channel Geometry: Size & Shape of Cross Sectional and Longitudinal Channel

Size and Shape of Cross Sectional and Longitudinal Channel

Size and Shape of Cross Sectional and Longitudinal Channel

Size and Shape of Cross Sectional and Longitudinal Channel

Channel Fluid Dynamics

Channel Fluid Dynamics Image

Channel Fluid Dynamics Image

Channel Fluid Dynamics Image

Channel Bed Topography

Channel Bed Topography Image

Channel Bed Topography Image

Channel Bed Topography Image

Hydraulic Geometry

Hydraulic Geometry Iamge

Hydraulic Geometry Iamge

Hydraulic Geometry Iamge

Channel Types & Patterns