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Destructive forces are the forces that tend to break down the features of the Earth’s surface. The destructive forces are responsible to cause damage to the earth’s structure. They serve to cause wear and tear problems to the earth’s composition.
- Chitra Sharma
Destructive forces modify or even destroy landforms. Earth’s surface is constantly changing. Change can happen rapidly, as when a volcano blows itself apart, or slowly, as in the grain by grain erosion of a stream into a canyon.
Destructive forces are defined as natural forces that break down the earth. Water, ice, wind, etc. lead to erosion and weathering of rocks and other landforms over time. Sometimes, the effects of destructive forces are noticed immediately.
A stream at flood stage carries lots of sediments. When its gradient decreases, the stream overflows its banks and broadens its channel. The decrease in gradient causes the stream to deposit its sediments, the largest first.
Erosion occurs when water transports sediment from one place to another. For example, a river can carry mud downstream. In general, water has more erosional power when it flows faster and has more volume. Deposition (also called sedimentation) occurs when water drops sediment in a new location.
- Acid rain is about 100 times less acidic than Coca-Cola. Coca-Cola is not strong enough to dissolve skin. Therefore, acid rain is far too weak to d...
- water can melt/dissolve/break down paper, water can erode rock, and water can also rust/mildly erode scissors(plus the fact that scissors can't cut...
- Acid rain is pretty harmful when inhaling it can lead to illnesses like asthma or chronic bronchitis (chronic bronchitis affects the airways in you...
- Acid Rain exists because we release harmful greenhouse gases which change the properties of the water. I'm pretty sure you would be perfectly fine...
- Yes. with let's say a small rock, sure it can take a while to break it down, but eventually the small rock will break but it won't take as long as...
10.3 Stream Erosion and Deposition. Flowing water is a very important mechanism for erosion, transportation and deposition of sediments. Water flow in a stream is primarily related to the stream’s gradient, but it is also controlled by the geometry of the stream channel. As shown in Figure 10.15, water flow velocity is decreased by friction ...
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What happens when a stream reaches a flood stage?
As streams move onto flatter ground, the stream erodes the outer edges of its banks to carve a floodplain, which is a flat level area surrounding the stream channel. Base level is where a stream meets a large body of standing water, usually the ocean, but sometimes a lake or pond.
