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A city located on a large river has a history of moderate flooding over its 150-year history. However, the severity and magnitude of flooding has increased dramatically in the past 30 years. Give some possible reasons, both natural and human-induced, as to why such increased flooding might occur?

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sebastiansierraocm

Answer:

The increased flooding may occur due to climate change, deforestation, or erosion.

Climate change may have made the climate of the city wetter, leading to higher river flows that naturally cause more flooding.

Deforestation is also a common cause of higher flooding. Trees serve almost as anchors on the land, and keep the land from overflooding.

Land erosion, due to the river itself, or to agriculture, can also made the soil more prone to flooding.