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GC Leong: Landforms Made By Running Water Video Lecture | Geography for UPSC CSE

175 videos|472 docs|197 tests

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Video Timeline
Video Timeline
arrow
00:07 Landforms Made by Running Water
01:40 Development of River System
04:12 Mechanism of Humid Erosion
04:42 Process of River Action
06:51 River Erosion & Transportation​
09:10 Course of River
09:16 V Shaped Valley
13:21 Middle (Maturity)
21:30 Meanders
21:42 Lower (Old)
23:39 Deltas are formed
24:01 River Rejuvenation
25:47 Human Aspects
More

FAQs on GC Leong: Landforms Made By Running Water Video Lecture - Geography for UPSC CSE

1. What are some examples of landforms created by running water?
Ans. Some examples of landforms created by running water include rivers, valleys, canyons, waterfalls, and alluvial fans. These landforms are formed as water erodes and transports sediment, shaping the landscape over time.
2. How does running water create river valleys?
Ans. Running water creates river valleys through a process called erosion. As water flows over the land, it picks up and carries away sediment, gradually wearing away the surrounding rocks and soil. Over time, this erosion deepens and widens the channel, creating a V-shaped valley.
3. What is the role of erosion in the formation of canyons?
Ans. Erosion plays a crucial role in the formation of canyons. Over millions of years, running water erodes and cuts through layers of rock, gradually deepening and widening the canyon. The force of the water, combined with the abrasive action of sediment it carries, carves out the steep walls and unique formations that characterize canyons.
4. How are waterfalls formed by running water?
Ans. Waterfalls are formed when a river flows over an area of harder rock followed by an area of softer rock. The softer rock erodes more quickly, creating a steep drop in the river's course. As the water cascades over this drop, it forms a waterfall. Over time, the process of erosion can cause the waterfall to retreat upstream, creating a gorge.
5. What role do alluvial fans play in the process of landform creation?
Ans. Alluvial fans are landforms created by running water in areas where a river or stream flows out of a mountain range onto a flatter plain. As the water exits the mountainous terrain, it slows down, depositing the sediment it carries. Over time, these deposits build up, forming a fan-shaped landform known as an alluvial fan. Alluvial fans play a significant role in shaping the surrounding landscape by distributing sediment and creating fertile soil for agriculture.
175 videos|472 docs|197 tests
Video Timeline
Video Timeline
arrow
00:07 Landforms Made by Running Water
01:40 Development of River System
04:12 Mechanism of Humid Erosion
04:42 Process of River Action
06:51 River Erosion & Transportation​
09:10 Course of River
09:16 V Shaped Valley
13:21 Middle (Maturity)
21:30 Meanders
21:42 Lower (Old)
23:39 Deltas are formed
24:01 River Rejuvenation
25:47 Human Aspects
More
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