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How does desertification lead to flooding?

How does desertification lead to flooding?

It makes land areas flood-prone, salinises soil, deteriorates water quality and silts rivers, streams and reservoirs. It can also lead to ocean pollution as the polluted sediment and water washes down major rivers. By 2045, 135 million people may be displaced due to desertification, says the United Nations.

How does desertification affect water?

Desertification, land degradation and drought have negative impact on the availability, quantity and quality of water resources that result in water scarcity. The challenges and threats of water scarcity to dryland populations are set to increase in magnitude and scope.

What are some problems caused by desertification?

Devastating Effects of Desertification

  • Farming becomes next to impossible. If an area becomes a desert, then it’s almost impossible to grow substantial crops there without special technologies.
  • Decrease in Crop Yields.
  • Hunger.
  • Flooding.
  • Poor Water Quality.
  • Overpopulation.
  • Poverty.
  • Biodiversity Loss.

What are the 5 causes of desertification?

From Climatic Variations To Human Activities, Here Are 5 Major Causes Of Desertification

  • Deforestation.
  • Overgrazing.
  • Climatic Variations.
  • Excessive Use Of Fertilizers And Pesticides.
  • Over Drafting Of Groundwater.

Does deforestation cause floods?

Due to deforestation, the water holding capacity of the soil decreases. The roots of the trees get dried after they’re cut down. The movement of water through trees into the soil slows down. The water of the rainfall collects on the surface which results in flood.

What is desertification and its causes?

Desertification is the degradation process by which a fertile land changes itself into a desert by losing its flora and fauna, this can be caused by drought, deforestation, climate change, human activities or improper agriculture. Desertification is a process of degradation of the land.

What is desertification causes and effects?

What are 10 causes of desertification?

Causes and Effects of Desertification on People and the Environment

  • Overgrazing.
  • Unsustainable agriculture techniques.
  • Deforestation.
  • Unsustainable water management.
  • Overpopulation and overexploitation of natural resources.
  • Urbanization and development of tourism.
  • Famine, poverty and political instability.
  • Climate change.

Does removing trees cause flooding?

But clear-cutting forests, aka deforestation, makes flooding worse. The Why Files explains again: “In terms of flooding, the unimpeded raindrop impact on bare ground leads to heavy erosion and quick runoff.” Without trees to soak up water, lessen rain’s impact, and hold soil in place, rain runs faster off land.

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