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Mar 14

How does urbanization cause water cycle disruption ?

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Mar 14
Urbanization can cause water cycle disruption in several ways:

1. Increased impervious surfaces: Urban areas have a higher percentage of impervious surfaces such as roads, buildings, and parking lots, which prevent rainwater from infiltrating into the ground. This can lead to increased surface runoff, which can cause flooding and erosion, and reduce the amount of water that is able to recharge groundwater supplies.

2. Alteration of natural drainage patterns: Urban development often involves altering natural drainage patterns through the construction of stormwater drainage systems. This can lead to changes in the flow of water through the landscape, which can disrupt the natural water cycle and lead to increased flooding and erosion.

3. Pollution: Urban areas can be significant sources of water pollution, with contaminants such as oil, heavy metals, and chemicals entering waterways through stormwater runoff. This pollution can disrupt the natural water cycle by affecting the quality of water in rivers, lakes, and groundwater supplies.

4. Loss of green spaces: Urbanization often involves the loss of green spaces such as forests, wetlands, and grasslands, which play a crucial role in the water cycle by absorbing and storing water. The loss of these green spaces can lead to increased runoff, reduced infiltration, and decreased water storage capacity, which can disrupt the natural water cycle.

Overall, urbanization can disrupt the water cycle by altering natural drainage patterns, increasing surface runoff, polluting waterways, and reducing the capacity of the landscape to absorb and store water. This can have negative impacts on water quality, water availability, and ecosystem health in urban areas.

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