Question

what is the reoson of flood​

Answer 1

Answer:

reason of reason of flood are moon

Answer 2

Answer:

see basically there are many reasons of causing flood but the Main reasons are as follows:

Explanation:

Flooding is experienced all over the globe and for a variety of reasons — but why exactly does flooding occur? There are several human causes of flooding, including poorly designed infrastructure. There are also natural reasons flooding happens.

Here are eight of the most common causes of flooding, both natural and human-induced. And the consequences of flooding can be savage.

1. Heavy Rains

The simplest explanation for flooding is heavy rains. No matter where you live, you are surrounded by infrastructure and systems designed to move rainwater into appropriate basins and reservoirs. In most cases, the infrastructure does its job, and you never have to think about where the rain goes when it runs off.

When it rains heavily, however, those systems are overwhelmed, and that water doesn’t drain nearly as quickly as it needs to. In short, the drainage systems back up, and the water rises — sometimes into homes. This typically happens only in cases of sustained heavy rains over a long period.

2. Overflowing Rivers

You do not necessarily need to have heavy rains to experience flooding in your area. For example, if you live along a river and areas upstream from you experience heavy rains, it could lead to a serious overflow where you live. Most larger rivers include a series of dams to help manage large amounts of rainfall, and most river systems are managed by government authorities.

Sometimes, however, those authorities have to make tough decisions about how to operate dams. They often can manage the water and prevent flooding altogether — but not always.

3. Broken Dams

Much of America’s infrastructure was built in the 20th century, so it is getting old. When heavy rains come, and water levels rise, aging dams can fail and unleash torrents of water on unsuspecting households.

This is part of what happened after Hurricane Katrina hit New Orleans in 2005. Levees failed and made the flooding far worse than it would have been otherwise. While we have come to depend on 20th-century architecture, and much of it does its job well, there is always a possibility that a structure will fail.

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