Work of River, underground water, glacier, winds and sea waves — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Geography
Summary of Work of River, underground water, glacier, winds and sea waves for Telangana Open School (TOSS) Class 12 Geography.
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Overview
The Earth's surface is continuously shaped by natural agents such as rivers, underground water, glaciers, winds, and sea waves. These agents perform three main functions—erosion, transportation, and deposition—which together modify the landscape over time. Each agent operates under specific conditio
Key Concepts
Landforms created by the action
Landforms created by the action of rivers through erosion, transportation, and deposition. Examples include V-shaped valleys, meanders, oxbow lakes, f
A unique landscape formed in limestone
A unique landscape formed in limestone regions by the dissolving action of underground water. Features include sinkholes, swallow holes, caverns, stal
Features formed by the movement
Features formed by the movement of glaciers, including erosional forms like cirques, U-shaped valleys, and hanging valleys, and depositional forms lik
Landforms created by wind action
Landforms created by wind action in arid and semi-arid regions. Erosional features include mushroom rocks and yardangs, while depositional features in
Features formed by the action
Features formed by the action of sea waves through erosion and deposition. Erosional forms include sea cliffs, sea caves, arches, and stacks. Depositi
Learning Objectives
- Explain the three functions of running water: erosion, transportation, and deposition in different parts of a river's course.
- Describe the formation of landforms by underground water with the help of diagrams.
- Define glacier, snow-line, snowfield, continental and valley glaciers.
- Explain the erosional and depositional features formed by glaciers.
- Identify the landforms created by wind action.
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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