Question

Distinguish between the drainage system, the drainage basin and the drainage pattern.

Answer 1

• Drainage describes the river system of an area.
• The area drained by a single river system is called a drainage basin.
• Any upland or a mountain separating two adjoining drainage basins is known as water divide.
Drainage Systems in India:
• The Indian rivers are divided into two major groups:
→ the Himalayan rivers
→ the Peninsular rivers
Drainage Patterns:
• The streams within a drainage basin form certain patterns, depending on the slope of land, underlying rock structure as well as the climatic conditions of the area.
• Types of Drainage Patterns:
→ Dendritic drainage
→ Trellis drainage
→ Rectangular drainage
→ Radial drainage.