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What Causes Floods in South Africa? Everything You Need to Know

What Causes Floods in South Africa? Everything You Need to Know

Photo by Hans on Pixabay

Where Does South Africa’s Flooding Occur?

South Africa’s flooding is mainly restricted to the Western Cape and Eastern Cape provinces and the Western Cape’s sub-region of the Cape Peninsula. The Cape Flats and southwestern Cape are sometimes also affected. The Western Cape has a Mediterranean climate, which is a significant factor in the frequency of flooding. The area is often referred to as the “Cape of Storms” due to its high potential for rain-related flooding. North of the Cape Peninsula, the Western and Eastern Cape regions have various climates. The interior of the Eastern Cape has a sub-tropical climate, while the interior of the Western Cape is much drier and more akin to a continental climate. The agricultural potential of the Western Cape is much lower than the Western Cape, which is the main reason for the higher frequency of flooding in this area.

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Why Does South Africa Flood?

Since the Western Cape has such a high level of natural variability in its rainfall, sometimes the region gets very little rain. When this happens, surface and groundwater levels can plummet, causing extensive flooding. Western Cape floods are often the result of hefty late-winter rain on top of a usually dry winter. Interestingly, the Eastern Cape is not as flood-prone as the Western Cape due to its drier climate. But the interior of the Eastern Cape is also prone to seasonal river floods. The rainy season in this province runs from March to August, and the spring floods are often caused by heavy summer rain that has accumulated in the mountains during the winter.

How Did South Africa Get to Be So Floody?

South Africa is an ancient country, with human habitation dating back thousands of years. But the area became settled by Europeans in the 18th century, and the people who came here rapidly changed the environment. Farming, cattle-rearing, and the exploitation of natural resources like gold and diamonds mean that South Africa is one of the most densely populated countries in the world. The cities of Johannesburg and Pretoria now lie on the floodplains of the Vaal and Orange rivers. This has drastically increased the risk of flooding in these areas. The city of Cape Town is an island on a sub-tropical coast with no way to expand itself. This means that sea levels are rising rapidly, which is likely to cause severe problems for coastal cities in South Africa.

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What Can Be Done About South Africa’s Flooding Problem?

South Africa is an agricultural country, and one of the main reasons it floods so much is because farmers can’t store excess water in dams. And since agriculture is the main economic activity in the Western Cape, you can see how this can be a severe problem. Rainfall is often unevenly distributed, and some areas don’t get enough water to produce crops. This leads many farmers to grow irrigation crops like sugar cane and vegetables. Other farmers flood their land and grow cash crops like coffee and citrus fruits, again causing problems for other farmers who can’t store water simultaneously.

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Conclusion

South Africa’s frequent flooding is a challenging but manageable problem for almost any resident to confront. Fortunately, the solutions are relatively straightforward once you understand the root causes of the pain. That said, tackling any problem head-on doesn’t mean you won’t encounter any challenges. However, if you approach the challenges you face with a positive attitude, you’ll experience far less frustration and far more success than if you take a less proactive approach. We hope this article has provided you with the information you need to tackle your local flooding problem. Remember, the best way to prevent flooding is to build your property elevation to account for the risk of flooding.

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